Note : Les revendications sont présentées dans la langue officielle dans laquelle elles ont été soumises.
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CLAIMS
1. A hydraulic hinge device for the controlled rotary movement of a closing
element (P), in
particular a door, a door leaf or the like, which can be anchored to a
stationary support structure (S), in
particular to a frame or a floor, the hydraulic hinge device comprising:
- a hinge body (110) which can be integrally anchored to one of the closing
element (P) and
the stationary support structure (S);
- at least one pivot (200) which can be integrally anchored to the other of
the closing element
(P) and the stationary support structure (S), said at least one pivot (200)
defining a first axis (X), said
hinge body (110) and said at least one pivot (200) being mutually rotatably
coupled to rotate one
with respect to the other around an axis substantially parallel to or
coincident with said first axis (X)
between at least one opening position and at least one closing position of the
closing element (P);
- means (1) for controlling the flow of a working fluid comprising:
- at least one first and one second hydraulic working chamber (11, 12)
comprising
said working fluid, said at least one first and one second hydraulic working
chamber (11, 12)
comprising at least one respective inlet port (13', 14');
- a line (15) for the fluidic connection of said at least one first and one
second working
chamber (11, 12);
- at least one element (40) for adiusting the flow of the working fluid
arranged in said
fluidic connection line (15);
- at least one first and one second stem (20', 20") sealingly slidably
inserted into the
respective inlet port (13', 14') to slide along a respective second and third
axis (Y', Y"), each
of said at least one first and one second stem (20', 20") comprising a
respective end (21', 22')
inside the respective at least one first and one second hydraulic working
chamber (11, 12) and
a respective opposite end (21", 22") external thereto slidable along the
respective second and
third axes (Y', Y") between respective positions distal from and proximal to
the respective
inlet ports (13', 14');
wherein said hinge body (110) internally includes at least one compartment
(112) comprising said
at least one pivot (200), said at least one compartment (112) further
including said control means (1) or the
latter being removably insertable into said at least one compartment (112);
wherein said working fluid is exclusively contained in said at least one first
and one second working
chamber (11, 12) and said fluidic connection line (15), said at least one
compartment (112) comprising a
dry portion (113) which includes said at least one pivot (200) and the
opposite ends (21", 22") of said at
least one first and one second stem (20', 20");
wherein said at least one pivot (200) comprises at least first and second cam
means (215, 210)
susceptible to dry interact selectively and alternately with corresponding at
least first and second cam
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follower means (25', 25") integrally coupled respectively with said opposite
ends (21", 22") of said at least
one first and one second stem (20', 20");
so that to the mutual rotation of said hinge body (110) and said at least one
pivot (200) around said
axis substantially parallel to or coincident with said first axis (X) between
said at least one opening position
and at least one closing position of the closing element (P) there corresponds
the sliding of one of said
opposite ends (21") along the respective second or third axis (Y') from the
respective distal position toward
the respective proximal position and the simultaneous sliding of the other of
said opposite ends (22") along
the respective second or third axis (Y") from the respective proxirnal
position toward the respective distal
position and vice versa.
2. Device according to claim 1, wherein said hinge body (110) and said at
least one pivot (200)
rotate mutually so that:
- to the rotation from one of said at least one opening position and at
least one closing position
toward the other of the latter, there corresponds the sliding of one of said
opposite ends (21") along the
respective second or third axis (Y') from the respective distal position
toward the respective proximal
position and the simultaneous sliding of the other of said opposite ends (22")
along the respective second
or third axis (Y") from the respective proximal position toward the respective
distal position;
and
- to the rotation of the other of said at least one opening position and at
least one closing position
toward said one of the latter, there corresponds the sliding of said one of
said opposite ends (21") along
the respective second or third axis (Y') from the respective proximal position
toward the respective distal
position and the simultaneous sliding of said other of said opposite ends
(22") along the respective second
or third axis (Y") from the respective distal position toward the respective
proximal position.
3. Device according to claim 1 or 2, wherein said at least one first and one
second hydraulic
working chamber (11, 12) respectively comprise at least one first and one
second opening (13', 13") and at
least one third and one fourth opening (14', 14"), said at least one second
and at least one fourth opening
(13", 14") being mutually fluidically connected by means of said fluidic
connection line (15), said at least
one first and at least one third opening (13', 14') defining said inlet ports.
4. Device according to the preceding claim, wherein said hinge body (110) and
said at least one
pivot (200) rotate mutually so that:
- to the rotation from one of said at least one opening position and at least
one closing position
toward the other of the latter, there corresponds the sliding of said at least
one first stem (20') along said
second axis (Y') from said at least one first opening (13') toward said at
least one second opening (13") and
the corresponding sliding of said at least one second stem (20") along said
third axis (Y")from said at least
one fourth opening (14") toward said at least one third opening (14');
and
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-
to the rotation of the other of said at least one opening position and
at least one closing position
toward said one of the latter, there corresponds the sliding of said at least
one second stem (20") along
said third axis (Y") from said at least one third opening (14') toward said at
least one fourth opening (14")
and the corresponding sliding of said at least one first stem (20') along said
second axis (Y') from said at
least one second opening (13") toward said at least one first opening (13').
5. Device according to one or more of the preceding claims, wherein said at
least first and second
cam follower means (25', 25") are monolithic with said at least one first and
one second stem (20', 20") to
define the respective opposite ends (22', 22") or they are removably coupled
with the latter.
6. Device according to one or more of the preceding claims, further comprising
elastic
counteracting means (30) acting on one of said first and second cam follower
means (25") to push them
against corresponding first or second cam means (210), the other of said first
and second cam follower
means (25') being without elastic counteracting means.
7. Device according to any one of claims 1 to 5, wherein each of said at least
one first and one
second stem (20', 20") comprises respective first and second elastic
counteracting means (30) coaxially
coupled therewith, said control rneans (1) having respective second abutment
surfaces (16), an abutment
element (31) being provided for fixed to said one of said at least one first
and one second stem (20', 20")
which includes said corresponding first or second cam means (215, 210) and
respective first abutment
surfaces (23), said first and second elastic counteracting means (30) being
interposed between the
respective first and second abutment surfaces (16, 23) to act on said one of
said at least one first and one
second stem (20', 20"), said abutment element (31) having at least one passage
(32) for the other of said
at least one first and one second stem (20', 20").
8. Device according to any one of claims 1 to 5, wherein both said first and
second cam follower
means (25') are without elastic counteracting means.
9. Device according to claim 6, 7 or 8, wherein the distal position of the
opposite end (22") of one
of said at least one first and one second stem (20") corresponds to said at
least one closing position of the
closing element (P), upon opening the closing element (P) the mutual
interaction between the
corresponding first or second cam means (215, 210) and first or second cam
follower means (25', 25")
pushing the opposite end (22") of said one of said at least one first and one
second stem (20") from the
distal position toward the proximal position.
10. Device according to claims 6 and 9 or 7 and 9, wherein the movement of
said opposite end (22")
of said one of said at least one first and one second stem (20") from the
distal position toward the proximal
position loads said elastic counteracting means (30), the unloading of the
latter promoting the closure of
the closing element (P).
11. Device according to claim 9 or 10, wherein the sliding of the opposite end
(22") of said one of
said at least one first and one second stem (20") from the distal position
toward the proximal position
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promotes the reverse sliding of the opposite end (22') of said other of said
at least one first and one second
stem (20'), during said reverse sliding the other of said first or second cam
means (215, 210) and said first
or second cam follower means (25', 25") being preferably spaced apart.
12. Device according to the preceding claim, wherein upon closing the closing
element (P), the
interaction between said corresponding first or second cam means (215, 210)
and first or second cam
follower means (25', 25") promote the interaction between said other of the
first or second cam means
(215, 210) and the first or second cam follower means (25', 25"), the latter
interaction promoting the sliding
of the opposite end (22') of said other of said at least one first and one
second stem (20') from the distal
position to the proximal position and the corresponding reverse sliding of the
opposite end (22") of said
one of said at least one first and one second stem (20") from the proximal
position toward the distal
position.
13. Device according to one or more of the preceding claims, wherein said
control means (1) consist
of a control unit (1) having a main body (10) which internally includes said
at least one first and one second
hydraulic working chamber (11, 12),said fluidic connection line (15), said at
least one adjustment element
(40) and said at least one first and one second stem (20', 20") sealingly
slidably inserted into the respective
inlet port (13', 14') of said first and second hydraulic working chamber (11,
12), said control unit (1) being
removably insertable into said at least one compartment (112).
14. Device according to the preceding claim, wherein said hinge body (10)
comprises a shell (111)
into which said at least one pivot (200) and said control unit (1) can be
inserted, the latter (200, 1) being
insertable into the former (111) preferably removably.
15. Device according to one or more of the preceding claims, wherein said at
least one adjustment
element (40) includes at least one screw element (41) engaged in a nut screw
(17) for widening / narrowing
at least one passage section (15") of said fluidic connection line (15), said
at least one screw element (41)
comprising a vacant end (41') which can be controlled from the external by a
user and the opposite end
(41") inserted into said fluidic connection line (15).
16. Device according to the preceding claim, wherein said at least one screw
element (41) further
comprises:
- at least one first passage opening (44") at said opposite end (41")
placed in fluid
communication with one of said at least one second and at least one fourth
opening (13");
- at least one second passage opening (44') placed in fluid communication with
the other of
said at least one second and at least one fourth opening (14");
- an internal duct (45) extending between said at least one first and one
second passage
opening (44', 44") to place them in mutual fluid communication.
17. Device according to the preceding claim, wherein said opposite end (41")
is inserted into a
portion of said duct (15), the latter (15") and said opposite end (41") having
a substantially frustoconical
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shape, said at least one passage section (15") being defined by the interspace
between said portion of said
duct (15) and said opposite end (41").
18. Device according to clairn 16 or 17, wherein said element (40) for
adjusting the flow of the
working fluid further comprises at least one plug element (42)inserted into
said at least one first passage
5 opening (44") to selectively plug it, said at least one plug element (42)
being preferably elastically forced
through said at least one first passage opening (44"), said at least one plug
element (42) being susceptible
to open said at least one first passage opening (44") upon the sliding of said
at least one first stem (20')
from one (13') of said at least one first opening and at least one second
opening toward the other (13") of
said at least one first opening and at least one second opening to allow the
fluid to flow through said internal
10 duct (45) and plug it upon the reverse sliding to force the working
fluid through said passage section (15").
19. Device according to the preceding clairn, wherein said plug element (42)
includes enlarged end
(42') designed to interact with said at least one first passage opening (44")
and a stem (42") slidably
inserted into said internal duct (45) of said at least one screw element (41)
so that upon said sliding of said
at least one first stem (20') from one (13') of said at least one first
opening and at least one second opening
15 toward the other (13") of said at least one first opening and at least
one second opening, the working fluid
controllably flows through the interspace between said internal duct (45) and
said stern (42") of said plug
element (42).
20. Device according to one or more of the preceding claims, wherein said
second and third axis (Y',
Y") define a plane (11), said first axis (X) being substantially parallel to
said plane (IT), said at least first and
20 second cam means (215, 210) and said first and second cam follower means
(25', 25") being mutually
superimposed and in mutual contact.
21. Device according to the preceding claim, wherein said second cam means
(210) include a
compartment with a planar surface (211) substantially perpendicular and
parallel to said first axis (X)
respectively in said closing and opening positions of said closing element
(P), said cam follower means (25")
including a flat face (260) substantially parallel to and in contact with said
planar surface (211) in said closing
position of said closing element (P) and substantially perpendicular to and in
contact with said planar
surface (211) in said opening position of said closing element (P).
22. Device according to the preceding claim, wherein said first cam means
(215) include a
compartment with at least one flat wall (216) substantially perpendicular to
said planar surface (211), said
first cam follower means (25") including a flat face (26') substantially
parallel to and in contact with said
flat wall (216) in said opening position of said closing element (P) and
substantially perpendicular to and
spaced from said flat wall (216) in said closing position of said closing
element (P).
23. Device according to the preceding claim, wherein said first cam means(215)
include a pair of flat
and substantially parallel walls (216) between which there is arranged an end
portion (217) with a contact
area (217') designed to come into contact with said first cam follower means
(25') in said closing position
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of said closing element (P), said contact area (217') being substantially
perpendicular to said flat walls (216),
said first cam means (215) and said cam follower means(25") being configured
so that when closing said
closing element (P) when said flat face (26') and said contact area (217') are
in contact, the latter tilts
uncontrollably with respect to the former around the point of first contact
between them, so that the
closing element (P) snaps toward the closing position.
24. Device according to the preceding clairn, wherein said contact area (217')
is adjacent to at least
one first tapered flat surface (217", 217"), said flat face (26') being
adjacent to at least one second tapered
flat surface (26", 26"), when closing said closing element (P) said flat face
(26') being firstly in contact with
said at least one first tapered flat surface (217", 217'") and then with said
contact area (217'), the latter
tilting with respect to said flat face (26') when the latter loses contact
with said first tapered flat surface
(217", 217").
25. Device according to one or more of claims 20 to 24, wherein said hinge
body (110) has a pair of
sliding guides (125', 125") wherein said first and second cam follower means
(25', 25") can be slidably
inserted.
26. Device according to one or more of claims 20 to 25, further comprising a
fixing plate (140) which
can be fixed to said hinge body (110), support means passing through said
fixing plate (140) and said hinge
body (110) being further provided for so that the latter (110) discharges the
weight of the closing element
(P) onto the former (140).
27. Device according to one or more of claims 1 to 19, wherein said second and
third axis (Y', Y")
define a plane (n), said first axis (X) being substantially perpendicular to
said plane (n), said at least first and
second cam means (215, 210) and said first and second cam follower means (25',
25") lying on a plane
substantially parallel to or coincident with said plane (n).
28. Device according to the preceding claim, wherein said at least first and
second cam means (215,
210) extend peripheral from said first axis (X) to come into contact with
respective first and second contact
surfaces (211, 217) of said first and second cam follower means (25', 25").
29. Device according to the preceding claim, further comprising elastic
counteracting means (30),
said first and second cam means (215, 210) having respective first and second
contact surfaces (26', 260)
designed to come into contact with corresponding first and second contact
surfaces (217, 211) of said first
and second carn means (25', 25"), said first contact surface (26') of said
first cam means (215) being
substantially flat, parallel and in contact with said first contact surface
(217) of said first cam follower means
(25') in the closing position of the closing element (P) and being
substantially perpendicular to and spaced
from the first contact surface (217) of said first cam means (25') in the
opening position of the closing
element (P), said first cam means (215) and said first cam follower means
(25") being configured so that
when closing said closing element (P) when said first contact surfaces (26',
217) are in contact, said first
cam means (210) tilt uncontrollably with respect to the first carn follower
means (25') around the contact
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point, so that the closing element (P) snaps toward the closing position.
30. Device according to the preceding claim, wherein said first contact
surface (26') of said first cam
means (215) is adjacent to at least one first substantially curved surface
(26"), when closing said closing
element (P) said first contact surface (217) of said first cam follower means
(25') firstly coming into contact
with said at least one first substantially curved surface (26") and then with
said first contact surface (261,
the latter tilting when said first contact surface (217) of said first cam
follower means (25') loses contact
with said first substantially curved surface (26").
31.A unit for controlling the flow of a working fluid, comprising:
- a main body (10) which includes at least one first and one second working
chamber (11, 12),
said at least one first and one second working chamber (11, 12) respectively
comprising at least one
first and one second opening (13', 13") and at least one third and one fourth
opening (14', 14");
- at least one first and one second stem (20', 20") sealingly slidably
inserted respectively
through said at least one first and at least one third opening (13', 141;
wherein said main body (10) comprises a line (15) for the fluidic connection
of said at least one
second and at least one fourth opening (13", 14"), so that the sliding of said
at least one first stem (20')
from said at least one first opening (13') toward said at least one second
opening (13") corresponds to the
sliding of said at least one second stem (20") from said at least one fourth
opening (14") toward said at
least one third opening (14') and vice versa;
wherein said fluidic connection line (15) comprises at least one element (40)
for adjusting the flow
of the working fluid from said at least one first and one second working
chamber (11, 12), said at least one
adjustment element (40) comprising at least one portion (41") inserted into
said fluidic connection line (15)
to interact with at least one passage section (15'; 15"; 15') thereof.
32. Unit according to claim 31, wherein said at least one element (40) for
adjusting the flow of the
working fluid is a shutter element movable between a first and a second
passage section (15', 15") of said
fluidic connection line (15), said shutter element (40), first and second
passage section (15', 15") being
mutually sized so that when the shutter element (40) is engaged with one of
said first and second passage
section (15"), the flow of the working fluid is greater than when shutter
element is engaged with the other
of said first and second passage section (15').
33. Unit according to the preceding claim, wherein said shutter element (40)
is a pin having a first
diameter (D40), said first and second passage section (15', 15") respectively
having a second and a third
diameter (D15', D15"), said second diameter (D15') being slightly larger than
said first diameter (D40), said
third diameter(D15") being larger than said second diameter (D15'),so that the
flow of the working fluid
flowing through the interspace between said pin (40) and said second passage
section (15") is higher than
the one flowing through the interspace between said pin (40) and said first
passage section (15').
34. Unit according to claim 31, wherein said at least one element (40) for
adjusting the flow of the
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working fluid comprises at least one screw element (41) engaged in a nut screw
(17) for widening /
narrowing said at least one passage section (15") of said fluidic line.
35. Unit according to the preceding claim, wherein said at least one screw
element (41) comprises
a vacant end (41') which can be controlled from the external by a user and the
opposite end (41") inserted
into said fluidic line (15), said at least one screw element (41) further
coniprising:
- at least one first passage opening (44") at said opposite end (41")
placed in fluid
communication with one of said at least one second and at least one fourth
opening (13");
- at least one second passage opening (44') placed in fluid communication
with the other of
said at least one second and at least one fourth opening (14");
- an internal duct (45) extending between said at least one first and one
second passage
opening (44% 44") to place them in mutual fluid communication.
36. Unit according to the preceding claim, wherein said opposite end (41") is
inserted into a portion
of said duct (15), the latter (15") and said opposite end (41") having a
substantially frustoconical shape,
said at least one passage section (15'") being defined by the interspace
between said portion of said duct
(15) and said opposite end (41").
37. Unit according to claim 35 or 36, wherein said element (40) for adjusting
the flow of the working
fluid further comprises at least one plug element (42)inserted into said at
least one first passage opening
(44") to selectively plug it, said at least one plug element (42) being
preferably elastically forced through
said at least one first passage opening (44"), said at least one plug element
(42) being susceptible to open
said at least one first passage opening (44") upon the sliding of said at
least one first stem (20') from one
(13') of said at least one first opening and at least one second opening
toward the other (13") of said at
least one first opening and at least one second opening to allow the fluid to
flow through said internal duct
(45) and plug it upon the reverse sliding to force the working fluid through
said passage section (15").
38. Unit according to the preceding claim, wherein said plug element (42)
includes enlarged end
(42') designed to interact with said at least one first passage opening (44")
and a stem (42") slidably
inserted into said internal duct (45) of said at least one screw element (41)
so that upon said sliding of said
at least one first stem (20') from one (13') of said at least one first
opening and at least one second opening
toward the other (13") of said at least one first opening and at least one
second opening, the working fluid
controllably flows through the interspace between said internal duct (45) and
said stem (42") of said plug
element (42).
39. Unit according to one or more of claims 31 to 38, further comprising an
overpressure valve
element (50) lying in a duct (18) fluidically connected with said fluidic
connection line (15), said overpressure
valve element (50) being susceptible to exclusively open when the pressure
inside said fluidic connection
line (15) exceeds a predetermined threshold value.
40. Unit according to one or more of claims 31 to 39, wherein said at least
one first and one second
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working chamber (11, 12) respectively define a first and a second axis (Y',
Y"), said at least one first and one
second stem (20', 20") sliding respectively along said first and second axis
(Y', Y"), the latter preferably
being substantially parallel to each other, said at least one first and one
second opening (13', 13") being
preferably arranged along said first axis (Y'), said at least one third and
one fourth opening (14', 14") being
preferably arranged along said second axis (Y").
41.A hinge device (100) for moving and/or controlling a closing element
between at least one
opening position and at least one closing position, comprising at least one
control unit (1) according to one
or more of claims 31 to 40, said at least one control unit (1) being
preferably removably insertable into said
hinge device (100).
42.A unit for controlling the flow of a working fluid, comprising:
- a main body (10) which includes at least one first and one second working
chamber (11, 12);
- a line (15) for the fluidic connection of said at least one first and one
second working
chamber (11, 12), the latter and said line (15) including a working fluid;
- at least one element (40) for adjusting the flow of the working fluid in
said fluidic connection
line (15);
wherein said adjustment element (40) comprises a vacant end (41') which can be
controlled from
the external by an operator and the opposite end (41") inserted into said
fluidic connection line (15) for
widening / narrowing at least one passage section (15'") thereof, said
adjustment element (40) further
comprising:
- at least one first passage opening (44") at said opposite end (41") placed
in fluid
communication with one of said at least one first and at least one second
working chamber (11);
- at least one second passage opening (44') placed in fluid communication
with the other of
said at least one first and one second working chamber (12);
- an internal duct (45) extending between said at least one first and one
second passage
opening (44', 44") to place them in mutual fluid communication.
43. Unit according to claim 42, wherein said opposite end (41") is inserted
into a portion of said line
(15), the latter and said opposite end (41") having a substantially
frustoconical shape, said at least one
passage section (15") being defined by the interspace between said portion of
said line (15) and said
opposite end (41").
44. Unit according to claim 42 or 43, wherein said at least one element (40)
for adjusting the flow
of the working fluid further comprises at least one plug element (42) inserted
into said at least one first
passage opening (44") to selectively plug it, said at least one plug element
(42) being preferably elastically
forced through said at least one first passage opening (44").
45. Unit according to the preceding claim, wherein said at least one plug
element (42) is configured
to open said at least one first passage opening (44") when the working fluid
flows from one of said at least
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one first and one second working chamber (11) toward the other of said at
least one first and one second
working chamber (12) to allow the fluid to flow through said internal duct
(45) and plug upon the reverse
sliding to force the working fluid through said passage section (15'").
46. Unit according to the preceding claim, wherein said plug element (42)
includes an enlarged end
5
(42') designed to interact with said at least one first passage opening (44")
and a stem (42") slidably
inserted into said internal duct (45) so that when said working fluid flows
from one of said at least one first
and one second working chamber (11) toward the other of said at least one
first and one second working
chamber (12), the working fluid controllably flows through the interspace
between said internal duct (45)
and said stem (42") of said plug element (42).
10
47. Unit according to one or more of claims 42 to 46, wherein said at least
one adjustment element
(40) is inserted into a seat (15) passes through said main body (10), said
seat (15) comprising screw or nut
screw means (17), said adjustment element (40) comprising corresponding nut
screw or screw means
engaged in the latter.
48. Unit according to one or more of claims 42 to 47, further comprising an
overpressure valve
15 element (50) lying on a duct (18) fluidically connected with said
fluidic connection line (15).
49. Unit according to the preceding claim, wherein said overpressure valve
element (50) is
susceptible to exclusively open when the pressure inside said fluidic
connection line (15) exceeds a
predetermined threshold value.
50.A hinge device (100) for moving and/or controlling a closing element
between at least one
20
opening position and at least one closing position, comprising at least one
control unit according to one or
more of claims 42 to 49.
51. Device according to the preceding claim, wherein said at least one control
unit (1) can be
removably inserted into said hinge device (100).
52.A hydraulic hinge device for the controlled rotary movement of a closing
element (P), in
25
particular a door, a door leaf or the like, which can be anchored to a
stationary support structure (S), in
particular to a frame or a floor, the hydraulic hinge device comprising:
- a shell (111) which can be integrally anchored to one of the closing
element (P) and the
stationary support structure (S);
- at least one pivot (200) which can be integrally anchored to the other of
the closing element
(P) and the stationary support structure (S), said at least one pivot (200)
defining a first axis (X), said
shell (111) and said at least one pivot (200) being mutually rotatably coupled
to rotate one with
respect to the other around an axis substantially parallel to or coincident
with said first axis (X)
between at least one opening position and at least one closing position of the
closing element (P);
- means (1) for controlling the flow of a working fluid comprising:
- at least one first and one second hydraulic working chamber (11, 12)
comprising
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said working fluid, said at least one first and one second hydraulic working
chamber (11, 12)
being mutually fluidically connected and comprising at least one respective
inlet port (13',
14');
- at least one first and one second stem (20', 20") sealingly slidably
inserted into the
respective inlet port (13', 14') to slide along a respective second and third
axis (Y', Y"), each
of said at least one first and one second stem (20', 20") comprising a
respective end (21', 22')
inside the respective at least one first and one second hydraulic working
chamber (11, 12) and
a respective opposite end (21", 22") external thereto slidable along the
respective second and
third axes (Y', Y") between respective positions distal from and proximal to
the respective
inlet ports (13', 14');
wherein said shell (111) internally includes at least one compartment (112)
comprising said at least
one pivot (200) and said control means (1), said at least one compartment
(112) comprising a hydraulic
portion (10) which includes said at least one first and one second hydraulic
working chamber (11, 12) and
a dry portion (113) which includes said at least one pivot (200) and the
opposite ends (21", 22") of said at
least one first and one second stem (20', 20");
wherein said at least one pivot (200) comprises at least first and second cam
means (215, 210)
susceptible to dry interact selectively and alternately with corresponding at
least first and second cam
follower means (25', 25") integrally coupled respectively with said opposite
ends (21", 22") of said at least
one first and one second stem (20', 20");
so that to the mutual rotation of said shell (111) and said at least one pivot
(200) around said axis
substantially parallel to or coincident with said first axis (X) between said
at least one opening position and
at least one closing position of the closing element (P) there corresponds the
sliding of one of said opposite
ends (21") along the respective second or third axis (Y') from the respective
distal position toward the
respective proximal position and the simultaneous sliding of the other of said
opposite ends (22") along the
respective second or third axis (Y") from the respective proximal position
toward the respective distal
position and vice versa.
53. Device according to the preceding claim, wherein said shell (111) and said
at least one pivot
(200) rotate mutually so that:
-
to the rotation from one of said at least one opening position and at
least one closing position
toward the other of the latter, there corresponds the sliding of one of said
opposite ends (21") along the
respective second or third axis (Y') from the respective distal position
toward the respective proximal
position and the simultaneous sliding of the other of said opposite ends (22")
along the respective second
or third axis (Y") from the respective proximal position toward the respective
distal position;
and
- to the rotation of the other of said at least one opening position and at
least one closing position
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toward said one of the latter, there corresponds the sliding of said one of
said opposite ends (21") along
the respective second or third axis (V') from the respective proximal position
toward the respective distal
position and the simultaneous sliding of said other of said opposite ends
(22") along the respective second
or third axis (Y") from the respective distal position toward the respective
proximal position.
54. Device according to claim 52 or 53, wherein said at least one first and
one second hydraulic
working chamber (11, 12) respectively comprise at least one first and one
second opening (13', 13") and at
least one third and one fourth opening (14', 14"), said at least one second
and at least one fourth opening
(13", 14") being mutually fluidically connected, said at least one first and
at least one third opening (13',
14') defining said inlet ports.
55. Device according to the preceding claim, wherein said shell (111) and said
at least one pivot
(200) rotate mutually so that:
- to the rotation from one of said at least one opening position and at
least one closing position
toward the other of the latter, there corresponds the sliding of said at least
one first stem (20') along said
second axis (Y') from said at least one first opening (13') toward said at
least one second opening (13") and
the corresponding sliding of said at least one second stem (20") along said
third axis (Y")from said at least
one fourth opening (14") toward said at least one third opening (14');
and
- to the rotation of the other of said at least one opening position and at
least one closing position
toward said one of the latter, there corresponds the sliding of said at least
one second stem (20") along
said third axis (Y") from said at least one third opening (14') toward said at
least one fourth opening (14")
and the corresponding sliding of said at least one first stem (20') along said
second axis (Y') from said at
least one second opening (13") toward said at least one first opening (13').
56. Device according to one or more of claims 52 to 55, wherein said at least
first and second cam
follower means (25', 25") are monolithic with said at least one first and one
second stem (20', 20") to define
the respective opposite ends (22', 22") or they are removably coupled with the
latter.
57. Device according to one or more of claims 52 to 56, further comprising
elastic counteracting
means (30) acting on one of said first and second cam follower means (25") to
push them against
corresponding first or second cam means (210), the other of said first and
second cam follower means (25')
being without elastic counteracting means.
58. Device according to the preceding claim, wherein the distal position of
the opposite end (22")
of one of said at least one first and one second stem (20") corresponds to
said at least one closing position
of the closing element (P), upon opening the closing element (P) the mutual
interaction between the
corresponding first or second cam means (215, 210) and first or second cam
follower means (25', 25")
pushing the opposite end (22") of said one of said at least one first and one
second stem (20") from the
distal position toward the proximal position, loading said elastic
counteracting means (30), the unloading
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of the latter promoting the closure of the closing element (P).
59. Device according to the preceding claim, wherein the sliding of the
opposite end (22") of said
one of said at least one first and one second stem (20") from the distal
position toward the proximal
position promotes the reverse sliding of the opposite end (22') of said other
of said at least one first and
one second stem (20'), during said reverse sliding the other of said first or
second cam means (215, 210)
and said first or second cam follower means (25', 25") being preferably spaced
apart.
60. Device according to the preceding claim, wherein upon closing the closing
element (P), the
interaction between said corresponding first or second cam means (215, 210)
and first or second cam
follower means (25', 25") promote the interaction between said other of the
first or second cam means
(215, 210) and the first or second cam follower means (25', 25"), the latter
interaction promoting the sliding
of the opposite end (22') of said other of said at least one first and one
second stem (20') from the distal
position to the proximal position and the corresponding reverse sliding of the
opposite end (22") of said
one of said at least one first and one second stem (20") from the proximal
position toward the distal
position.
61. Device according to claims 58, 59 or 60, wherein each of said at least one
first and one second
stem (20', 20") comprises respective first and second elastic counteracting
means (30) coaxially coupled
therewith, said main body (10) having respective second abutment surfaces
(16), an abutment element (31)
being provided for fixed to said one of said at least one first and one second
stem (20', 20") which includes
said corresponding first or second cam means (215, 210) and respective first
abutment surfaces (23), said
first and second elastic counteracting means (30) being interposed between the
respective first and second
abutment surfaces (16, 23) to act on said one of said at least one first and
one second stem (20', 20"), said
abutment element (31) having at least one passage (32) for the other of said
at least one first and one
second stem (20', 20").
62. Device according to one or more of claims 58 to 61, wherein said elastic
counteracting means
(30) act on said second cam follower means (25") to push them against the
second cam means (210), said
first cam follower means (25") including a flat face (26'), said first cam
means (215) including a contact area
(217') substantially parallel to and in contact with said flat face (26') in
the closing position of the closing
element (P) and transversal to and spaced from said flat face (26') in the
opening position of the closing
element (P), said first cam means (215) and first cam follower means (25") are
configured so that when
closing said closing element (P) when said flat face (26') and said contact
area (217') come into contact with
the latter, it tilts uncontrollably with respect to the former around the
contact point, so that the closing
element (P) snaps toward the closing position.
63.A hydraulic hinge device for the controlled rotary movement of a closing
element (P), in
particular a door, a door leaf or the like, which can be anchored to a
stationary support structure (S), in
particular to a frame or a floor, the hydraulic hinge device comprising:
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- a shell (111) which can be integrally anchored to one of the closing element
(P) and the
stationary support structure (S);
- at least one pivot (200) which can be integrally anchored to the other of
the closing element
(P) and the stationary support structure (S), said at least one pivot (200)
defining a first axis (X), said
shell (111) and said at least one pivot (200) being mutually rotatably coupled
to rotate one with
respect to the other around an axis substantially parallel to or coincident
with said first axis (X)
between at least one opening position and at least one closing position of the
closing element (P);
- a unit (1) for controlling the flow of a working fluid comprising:
- a main body (10) which internally includes at least one first and one second
hydraulic working chamber (11, 12) which include said working fluid, said at
least one first and
one second hydraulic working chamber (11, 12) being rnutually fluidically
connected and
comprising at least one respective inlet port (13', 14');
- at least one first and one second stem (20', 20") sealingly slidably
inserted into the
respective inlet port (13', 14') to slide along a respective second and third
axis (Y', Y"), each
of said at least one first and one second stem (20', 20") comprising a
respective end (21', 22')
inside the respective at least one first and one second hydraulic working
chamber (11, 12) and
a respective opposite end (21", 22") external thereto slidable along the
respective second and
third axes (Y', Y") between respective positions distal from and proxirnal to
the respective
inlet ports (13', 14');
wherein said shell (111) internally includes at least one compartment (112)
for housing said at least
one pivot (200) and said control unit (1), said at least one pivot (200)
comprising at least first and second
cam means (215, 210) susceptible to dry interact selectively and alternately
with corresponding at least first
and second cam follower means (25', 25") integrally coupled respectively with
said opposite ends (21",
22") of said at least one first and one second stem (20', 20");
wherein said control unit (1) can be removably inserted into said at least one
compartrnent (112).
64. Device according to claim 63, wherein to the mutual rotation of said shell
(111) and said at least
one pivot (200) around said axis substantially parallel to or coincident with
said first axis (X) between said
at least one opening position and at least one closing position of the closing
element (P) there corresponds
the sliding of one of said opposite ends (21") along the respective second or
third axis (Y') from the
respective distal position toward the respective proximal position and the
simultaneous sliding of the other
of said opposite ends (22") along the respective second or third axis (Y")
from the respective proximal
position toward the respective distal position and vice versa.
65. Device according to claim 63 or 64, wherein said at least one first and
one second hydraulic
working chamber (11, 12) respectively comprise at least one first and one
second opening (13', 13") and at
least one third and one fourth opening (14', 14"), said at least one second
and at least one fourth opening
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(13", 14") being mutually fluidically connected, said at least one first and
at least one third opening (13',
14') defining said inlet ports.
66. Device according to one or more of claims 63 to 65, further comprising
elastic counteracting
means (30) acting on one of said first and second cam follower means (25") to
push them against
5 corresponding first or second cam means (210), the other of said first
and second cam follower means (25')
being without elastic counteracting means.
67. Device according to the preceding claim, wherein the distal position of
the opposite end (22")
of one of said at least one first and one second stem (20") corresponds to
said at least one closing position
of the closing element (P), upon opening the closing element (P) the mutual
interaction between the
10 corresponding first or second cam means (215, 210) and first or second
cam follower means (25', 25")
pushing the opposite end (22") of said one of said at least one first and one
second stem (20") from the
distal position toward the proximal position, loading said elastic
counteracting means (30), the unloading
of the latter promoting the closure of the closing element (P).
68. Device according to the preceding claim, wherein the sliding of the
opposite end (22") of said
15 one of said at least one first and one second stem (20") from the distal
position toward the proximal
position promotes the reverse sliding of the opposite end (22') of said other
of said at least one first and
one second stem (20'), during said reverse sliding the other of said first or
second cam means (215, 210)
and said first or second cam follower means (25', 25") being preferably spaced
apart;
wherein upon closing the closing element (P), the interaction between said
corresponding first or
20 second cam means (215, 210) and first or second cam follower means (25',
25") promote the interaction
between said other of the first or second cam means (215, 210) and the first
or second cam follower means
(25', 25"), the latter interaction promoting the sliding of the opposite end
(22') of said other of said at least
one first and one second stem (20') from the distal position to the proximal
position and the corresponding
reverse sliding of the opposite end (22") of said one of said at least one
first and one second stem (20")
25 from the proximal position toward the distal position.
69. Device according to one or more of claims 63 to 68, wherein said at least
one first and one
second hydraulic working chamber (11, 12) are fluidically connected to each
other by means of a fluidic
connection line (15), said control unit (1)further comprising at least one
adjustment element (40) which
includes at least one screw element (41) engaged in a nut screw(17) for
widening / narrowing at least one
30 passage section (15") of said fluidic line, said at least one screw
element (41) comprising a vacant end (41')
which can be controlled from the external by a user and the opposite end (41")
inserted into said fluidic
line (15), said at least one screw element (41) further comprising:
- at least one first passage opening (44") at said opposite end (41") placed
in fluid
communication with one of said at least one second and at least one fourth
opening (13");
- at least one second passage opening (44') placed in fluid communication with
the other of
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said at least one second and at least one fourth opening (14");
- an internal duct (45) extending between said at least one first and one
second passage
opening (44', 44") to place them in mutual fluid communication.
70. Device according to the preceding claim, wherein said opposite end (41")
is inserted into a
portion of said duct (15), the latter (15") and said opposite end (41") having
a substantially frustoconical
shape, said at least one passage section (1.5") being defined by the
interspace between said portion of said
duct (15) and said opposite end (41").
71. Device according to claim 69 or 70, wherein said element (40) for
adjusting the flow of the
working fluid further comprises at least one plug element (42)inserted into
said at least one first passage
opening (44") to selectively plug it, said at least one plug element (42)
being preferably elastically forced
through said at least one first passage opening (44"), said at least one plug
element (42) being susceptible
to open said at least one first passage opening (44") upon the sliding of said
at least one first stem (20')
from one (13') of said at least one first opening and at least one second
opening toward the other (13") of
said at least one first opening and at least one second opening to allow the
fluid to flow through said internal
duct (45) and plug it upon the reverse sliding to force the working fluid
through said passage section (15").
72. Device according to the preceding claim, wherein said plug element (42)
includes enlarged end
(42') designed to interact with said at least one first passage opening (44")
and a stem (42") slidably
inserted into said internal duct (45) of said at least one screw element (41)
so that upon said sliding of said
at least one first stem (20') from one (13') of said at least one first
opening and at least one second opening
toward the other (13") of said at least one first opening and at least one
second opening, the working fluid
controllably flows through the interspace between said internal duct (45) and
said stem (42") of said plug
element (42).
73.A hydraulic hinge device for the controlled rotary movement of a closing
element (P), in
particular a door, a door leaf or the like, which can be anchored to a
stationary support structure (S), in
particular to a frame or a floor, the hydraulic hinge device comprising:
- a shell (111) which can be integrally anchored to one of the closing
element (P) and the
stationary support structure (S);
- at least one pivot (200) which can be integrally anchored to the other of
the closing element
(P) and the stationary support structure (S), said at least one pivot (200)
defining a first axis (X), said
shell (111) and said at least one pivot (200) being rnutually rotatably
coupled to rotate one with
respect to the other around an axis substantially parallel to or coincident
with said first axis (X)
between at least one opening position and at least one closing position of the
closing element (P);
- a unit (1) for controlling the flow of a working fluid comprising:
- a main body (10) which internally includes at least one first and one second
hydraulic working chamber (11, 12) which include said working fluid, said at
least one first and
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one second hydraulic working chamber (11, 12) being mutually fluidically
connected and
comprising at least one respective inlet port (13', 14');
- at least one first and one second stem (20', 20") sealingly slidably
inserted into the
respective inlet port (13', 14') to slide along a respective second and third
axis (Y', Y"), each
of said at least one first and one second stem (20', 20") comprising a
respective end (21', 22')
inside the respective at least one first and one second hydraulic working
chamber (11, 12) and
a respective opposite end (21", 22") external thereto slidable along the
respective second and
third axes (Y', Y") between respective positions distal from and proximal to
the respective
inlet ports (13', 14');
wherein said shell (111) internally includes at least one compartment (112)
for housing said at least
one pivot (200) and said control unit (1), said at least one pivot (200)
comprising at least first and second
cam means (215, 210) susceptible to dry interact selectively and alternately
with corresponding at least first
and second cam follower means (25', 25") integrally coupled respectively with
said opposite ends (21",
22") of said at least one first and one second stem (20', 20");
wherein said second and third axis (Y', Y") define a plane (n), said first
axis (X) being substantially
parallel to said plane OIL said at least first and second cam means (215, 210)
and said first and second cam
follower means (25', 25") being mutually superimposed and in mutual contact.
74. Device according to claim 73, wherein said control unit (1) can be
removably inserted into said
at least one compartment (112).
75. Device according to claim 73 or 74, wherein said second cam means (210)
include a
compartment with a planar surface (211) substantially perpendicular and
parallel to said first axis (X)
respectively in said closing and opening positions of said closing element
(P), said cam follower means (25")
including a flat face (260) substantially parallel to and in contact with said
planar surface (211) in said closing
position of said closing element (P) and substantially perpendicular to and in
contact with said planar
surface (211) in said opening position of said closing element (P).
76. Device according to the preceding claim, wherein said first cam means
(215) include a
compartment with at least one flat wall (216) substantially perpendicular to
said planar surface (211), said
first cam follower means (25") including a flat face (26') substantially
parallel to and in contact with said
flat wall (216) in said opening position of said closing element (P) and
substantially perpendicular to and
spaced from said flat wall (216) in said closing position of said closing
element (P).
77. Device according to the preceding claim, further comprising elastic
counteracting means (30)
acting on said second cam follower means (25") to push them against the
corresponding second cam means
(210), said first cam follower means (25') sliding along said second axis (Y')
without elastic counteracting
means.
78. Device according to the preceding claim, wherein the distal position of
the opposite end (22")
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of said second stem (20") corresponds to said at least one closing position of
the closing element (P), upon
opening the closing element (P) the mutual interaction between the
corresponding second cam means
(210) and second cam follower means (25") pushing the opposite end (22") of
said second stem (20") from
the distal position toward the proximal position, loading said elastic
counteracting means (30) and
promoting the reverse sliding of the opposite end (22') of said stem (20').
79. Device according to the preceding claim, wherein upon closing the closing
element (P), the
interaction between said second cam means (210) and second cam follower means
(25") promoted by said
elastic counteracting means (30) causes the interaction between the first cam
means (215) and the first
cam follower means (25'), the latter interaction promoting the sliding of the
opposite end (22') of said first
stem (20') from the distal position to the proximal position and the
corresponding reverse sliding of the
opposite end (22") of said second stem (20") from the proximal position toward
the distal position.
80. Device according to claim 77, 78 or 79, wherein said first cam means(215)
include a pair of flat
and substantially parallel walls (216) between which there is arranged an end
portion (217) with a contact
area (217') designed to come into contact with said first cam follower means
(25') in said closing position
of said closing element (P), said contact area (217') being substantially
perpendicular to said flat walls (216),
said first cam means (215) and said cam follower means(25") being configured
so that when closing said
closing element (P) when said flat face (26') and said contact area (217') are
in contact, the latter tilts
uncontrollably with respect to the former around the point of first contact
between them, so that the
closing element (P) snaps toward the closing position.
81. Device according to the preceding claim, wherein said contact area (217')
is adjacent to at least
one first tapered flat surface (217", 217"), said flat face (26') being
adjacent to at least one second tapered
flat surface (26", 26"), when closing said closing element (P) said flat face
(26') being firstly in contact with
said at least one first tapered flat surface (217", 217'") and then with said
contact area (217'), the latter
tilting with respect to said flat face (26') when the latter loses contact
with said first tapered flat surface
(217", 217").
82. Device according to one or more of claims 73 to 81, wherein said shell
(111) has a pair of sliding
guides (125', 125") wherein said first and second cam follower means (25',
25") can be slidably inserted.
83. Device according to one or more of claims 73 to 82, wherein said control
unit (1) can be fixed
to said shell (111) using releasable fixing means, the latter preferably
including a pair of screws (130) passing
through the main body (10).
84.A hydraulic hinge device for the controlled rotary movement of a closing
element (P), in
particular a door, a door leaf or the like, which can be anchored to a
stationary support structure (S), in
particular to a frame or a floor, the hydraulic hinge device comprising:
- a shell (111) which can be integrally anchored to one of the closing element
(P) and the
stationary support structure (S);
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- at least one pivot (200) which can be integrally anchored to the other of
the closing element
(P) and the stationary support structure (S), said at least one pivot (200)
defining a first axis (X), said
shell (111) and said at least one pivot (200) being mutually rotatably coupled
to rotate one with
respect to the other around an axis substantially parallel to or coincident
with said first axis (x)
between at least one opening position and at least one closing position of the
closing element (P);
- a unit (1) for controlling the flow of a working fluid comprising:
- a main body (10) which internally includes at least one first and one
second
hydraulic working chamber (11, 12) which include said working fluid, said at
least one first and
one second hydraulic working chamber (11, 12) being mutually fluidically
connected and
comprising at least one respective inlet port (13', 14');
- at least one first and one second stem (20', 20") sealingly slidably
inserted into the
respective inlet port (13', 14') to slide along a respective second and third
axis (Y', Y"), each
of said at least one first and one second stem (20', 20") comprising a
respective end (21', 22')
inside the respective at least one first and one second hydraulic working
chamber (11, 12) and
a respective opposite end (21", 22") external thereto slidable along the
respective second and
third axes (Y', Y") between respective positions distal from and proximal to
the respective
inlet ports (13', 14');
wherein said shell (111) internally includes at least one compartment (112)
for housing said at least
one pivot (200) and said control unit (1), said at least one pivot (200)
comprising at least first and second
cam means (215, 210) susceptible to dry interact selectively and alternately
with corresponding at least first
and second cam follower means (25', 25") integrally coupled respectively with
said opposite ends (21",
22") of said at least one first and one second stem (20', 20");
wherein said second and third axis (Y', Y") define a plane (n), said first
axis (X) being substantially
perpendicular to said plane (n), said at least first and second cam means
(215, 210) and said first and second
cam follower means (25', 25") lying on a plane substantially parallel to or
coincident with said plane (n).
85. Device according to claim 84, wherein said control unit (1) can be
removably inserted into said
at least one compartment (112).
86. Device according to claim 84 or 85, wherein said at least first and second
cam means (215, 210)
extend peripheral from said first axis (X) to come into contact with
respective first and second contact
surfaces (211, 217) of said first and second cam follower means (25', 25").
87. Device according to the preceding claim, further comprising elastic
counteracting means (30)
acting on said second cam follower means (25") to push them against the
corresponding second cam means
(210), said first cam follower means (25') sliding along said second axis (Y')
without elastic counteracting
means.
88. Device according to the preceding claim, wherein the distal position of
the opposite end (22")
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of said second stem (20") corresponds to said at least one closing position of
the closing element (P), upon
opening the closing element (P) the mutual interaction between the
corresponding second cam means
(210) and second cam follower means (25") pushing the opposite end (22") of
said second stem (20") from
the distal position toward the proximal position, loading said elastic
counteracting means (30) and
5 promoting the reverse sliding of the opposite end (22') of said stem
(20').
89. Device according to the preceding claim, wherein upon closing the closing
element (P), the
interaction between said second cam means (210) and second cam follower means
(25") promoted by said
elastic counteracting means (30) causes the interaction between the first cam
means (215) and the first
cam follower means (25'), the latter interaction promoting the sliding of the
opposite end (22') of said first
10 stem (20') from the distal position to the proximal position and the
corresponding reverse sliding of the
opposite end (22") of said second stem (20") from the proximal position toward
the distal position.
90. Device according to claim 87, 88 or 89, wherein said first and second cam
means (215, 210),
have respective first and second contact surfaces (26', 260) designed to come
into contact with
corresponding first and second contact surfaces (217, 211) of said first and
second cam means (25', 25"),
15 said first contact surface (26') of said first cam means (215) being
substantially flat, parallel and in contact
with said first contact surface (217) of said first cam follower means (25')
in the closing position of the
closing element (P) and being substantially perpendicular to and spaced from
the first contact surface (217)
of said first cam means (25') in the opening position of the closing element
(P), said first cam means (215)
and said first cam follower means (25") being configured so that when closing
said closing element (P) when
20 said first contact surfaces (26', 217) are in contact, said first cam
means (210) tilt uncontrollably with respect
to the first cam follower means (25') around the contact point, so that the
closing element (P) snaps toward
the closing position.
91. Device according to the preceding claim, wherein said first contact
surface (26') of said first cam
means (215) is adjacent to at least one first substantially curved surface
(26"), when closing said closing
25 element (P) said first contact surface (217) of said first cam follower
means (25') firstly coming into contact
with said at least one first substantially curved surface (26") and then with
said first contact surface (26'),
the latter tilting when said first contact surface (217) of said first cam
follower means (25') loses contact
with said first substantially curved surface (26").
92. Device according to one or more of claims 84 to 91, wherein said at least
one first and one
30 second hydraulic working chamber (11, 12) are fluidically connected to
each other by means of a fluidic
connection line (15), said control unit (1)further comprising at least one
adjustment element (40) which
includes at least one screw element (41) engaged in a nut screw(17) for
widening / narrowing at least one
passage section (15") of said fluidic line, said at least one screw element
(41) comprising a vacant end (41')
which can be controlled from the external by a user and the opposite end (41")
inserted into said fluidic
35 line (15), said at least one screw element (41) further comprising:
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36
- at least one first passage opening (44") at said opposite end (41")
placed in fluid
cornmunication with one of said at least one second and at least one fourth
opening (13");
- at least one second passage opening (44') placed in fluid communication
with the other of
said at least one second and at least one fourth opening (14");
- an internal duct (45) extending between said at least one first and one
second passage
opening (44', 44") to place them in mutual fluid communication.
93. Device according to the preceding claim, wherein said at least one element
(40) for adjusting
the flow of the working fluid further comprises at least one plug element (42)
inserted into said at least one
first passage opening (44") to selectively plug it, said at least one plug
element (42) being preferably
elastically forced through said at least one first passage opening (44"), said
at least one plug element (42)
being susceptible to open said at least one first passage opening (44") upon
the sliding of said at least one
first stem (20') from one (13') of said at least one first opening and at
least one second opening toward the
other (13") of said at least one first opening and at least one second opening
to allow the fluid to flow
through said internal duct (45) and plug it upon the reverse sliding to force
the working fluid through said
1 5 passage opening (15"), said plug element (42) including an enlarged end
(42') designed to interact with
said at least one first passage opening (44") and a stem (42") slidably
inserted into said internal duct (45)
of said at least one screw element (41) so that upon the sliding of said at
least one first stem (20') from one
(13') of said at least one first opening and at least one second opening
toward the other (13") of said at
least one first opening and at least one second opening, the working fluid
controllably flows through the
interspace between said internal duct (45) and said stem (42") of said plug
element (42).
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