Note: Descriptions are shown in the official language in which they were submitted.
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TABLET DISPENSER FOR DISPENSING INDIVIDUAL TABLETS
The.invention relates to a dispenser for holding and dispensing discrete
items such as confectionery, food supplements, pharmaceuticals and other
such tablet sized products, and is more particularly concerned with a
manually operable dispenser.
A number of manually operable dispensers for dispensing discrete items
are known. These generally suffer from the problem that they are
complicated and expensive to produce because they contain a number of
working parts. A number also suffer from the problem that at least part of
the dispensing mechanism is open to the external environment and so can
become contaminated or damaged leading to possible hygiene or
jamming problems.
EP-A-1038797 discloses a pocket dispenser for products such as sweets
and pills. This has a storage space, an outlet and a dispensing mechanism
for dispensing a predetermined number of products from the storage
space, via the opening, when the dispensing mechanism is energised by
the user. The dispenser is composed of an exchangeable cartridge,
comprising the storage space and the dispensing mechanism, and a holder
detachably connected therewith.
US 2653706 discloses a dispensing container for items such as tablets and
the like which dispenses these items one at a time from an ordered array
of the items in the container. The dispenser dispenses single items
without exposing the other items in the container to contaminants. It is
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operated by pressing together the top and bottom of the container which
lifts an item to be dispensed into the outlet allowing it to be removed from
the container.
US 5405047 discloses a dispenser for dispensing pills or tablets one at a
time from an unarranged stock. Items are dispensed by forcing a first part
of the dispenser into a second part. This results in a trough-like bottom
end.wall, closing the dispensing channel, being passed free of a partition
so dispensing a tablet.
FR-A-2659300 discloses a box fitted with a device for dispensing the
products contained therein one by one. The box has a bottom and a lid,
having an opening for dispensing products, and a member for actuating
the dispensing device and the cover associated with the opening allowing
retention or removal of the products one by one.
DE-U-9005757.0 discloses a dispenser for dispensing single items
comprising a storage space, and an opening designed to take a single
item. The body is composed of upper and lower portions slidable
longitudinally relative to another so as to open the opening to allow a
single item to be dispensed.
An object of the present invention is to provide an improved dispenser
which can enable the above disadvantages to be obviated or mitigated.
According to a first aspect of the present invention there is provided a
dispenser comprising
(i) a container body,
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(ii) - a storage region which is disposed within the container body and
which in use contains a multiplicity of items to be individually
dispensed,
(iii) a dispensing outlet,
(iv) a passage between the storage region and the dispensing outlet,
(v) a valve member disposed between said storage region and said
outlet and moveable transversely in said passage between an open
position and a closed position,
(vi) a stop member spaced from said valve member so as to define a
passage region of a size to accommodate an item to be dispensed,
said stop member being moveable into and out of a closed position
in which it prevents passage of an item through said passage region,
and
(vii) manually operable means for moving said valve member and said
stop member, the arrangement being such that (1) when the
manually operable means is operated to move said valve member
into its open position said stop member is moved into its closed
position, and (2) when the said valve member is in its closed
position said stop member is in a position in which it permits
passage of an item.
The stop member may be located on either side of the valve member so as
to define said passage region, but preferably is located upstream of the
valve member. In this preferred embodiment, when said valve member is
in its open position, said stop member is in a closed position thereby
preventing the passage of an item through the said passage region by
preventing the item from entering the latter. However, if the stop member
is located downstream of the valve member, then it prevents passage of an
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item through said passage region by preventing it from leaving the latter.
Whilst said passage region may be of a size to receive more than one item
from the storage region, it is preferably of a size to accept only a single
item so that the items can be dispensed singly.
Preferably the container body is comprised of a pair of moulded body
parts and may be of any desired size and shape, but preferably of a size
and shape which can be easily held in the hand.
Preferably, within the passage in the region of the dispensing outlet, there
is defined a retaining region which, when the dispenser is held in a
predetermined orientation, temporarily retains the dispensed item until it
is required to be discharged from the outlet.
Preferably the valve member is formed integrally with the manually
operable means.
In a second aspect of the present invention, there is provided a dispenser
comprisi ng
(i) a hollow body,
(ii) a storage region which is defined within the hollow body and
which in use contains a multiplicity of items to be individually dispensed,
(iii) a dispensing outlet in the hollow body,
(iv) a passage in the hollow body between the storage region and the
dispensing outlet,
(iv) a valve within the body for controlling the flow of items through the
passage from the storage region to the dispensing outlet, and
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(v) manually operable means for operating the valve, said manually
operable means being integrally formed with a surrounding wall region of
the hollow body.
By providing the manually operable means integrally with the body, there
are no joints in this region into which dirt can enter to interfere with
operation of the manually operable means.
Conveniently, the manually operable means comprises a button which is
connected with the surrounding wall region of the body by means of an
integral resilient wall region. Preferably, the valve includes a valve
member which is within the body and integrally formed with the
manually operable means.
More preferably, the dispenser according to said second aspect of the
invention has the features of the dispenser according to said first aspect.
In such an arrangement, the stop member is preferably integrally formed
with said manually operable means.
Preferably deformation of said localised wall region results in the opening
of an internal valve which is formed integrally with said wall region, and
closing of a stop member to prevent multiple items being dispensed.
In a third aspect of the present invention, there is provided a dispenser
comprising
(i) a hollow body,
(ii) a storage region which is defined within the hollow body and
which in use contains a multiplicity of items to be individually dispensed,
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(iii) ' a dispensing outlet in the hollow body,
(iv) a passage in the hollow body between the storage region and the
dispensing outlet,
(iv) a valve within the body for controlling the flow of items through the
passage from the storage region to the dispensing outlet,
(v) manually operable means for operating the valve, and
(vi) retaining means within the passage adjacent to.the dispensing outlet
for temporarily retaining an item which has passed through the valve
within the body adjacent to said outlet.
Preferably, the retaining means is disposed so that, in use, an item
temporarily retained thereby is visible by viewing through the outlet.
An embodiment of the present invention will be described by way of an
example with reference to the accompanying drawings, in which:-
Fig.1 is a schematic longitudinal sectional view from the front of one
example of a dispenser according to the present invention,
Fig.2 is a schematic longitudinal sectional view from the side of the
dispenser of Fig.1,
Fig.3 is a front view of the dispenser of Figs.1 and 2,
Fig.4 is a side elevation of the dispenser of Figs.1 to 3,
Fig.5 is a schematic cross-sectional view of the dispenser of Figs.1 to 4,
Fig.6 is a schematic longitudinal sectional view from the front of a
different example of the dispenser according to the present invention, and
Fig.7 is a schematic longitudinal sectional view from the side of the
alternative dispenser of Fig.6.
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Referring now to Figs. 1 to 5, the dispenser illustrated therein is a first
embodiment intended for dispensing individual confectionery items C
such as small cylindrical mints. The dispenser comprises a flattened
ovoid-shaped hollow body 10 having an upper storage region 12 in which
the confectionery items C are stored, and a lower dispensing outlet 14.
The dispenser further includes a valve indicated by arrow 16 for
controlling the passage of items C to the outlet 14, and a stop plate 17 for
ensuring that only one item C can be dispensed each time the valve 16 is
opened.
The hollow body 10 is formed of moulded synthetic plastic front and rear
shells 18 and 20. These are retained together by means of pins press fitted
into holes 50 in this example, but may alternatively be held together by
means of snap fit connectors (not shown). The base of the storage region
12 is defined within the body 10 by means of a shaped internal wall 22
with downwardly and inwardly sloping outer regions leading to a central
throat 24. The throat 24 has a laterally curved base wall 26 with an
aperture 2g therethrough. The wall 22 and the throat 24 are integrally
molded with the rear shell 20 so as to extend forwardly of the shell wall.
The base wall 26 with the aperture 28 forms part of the valve 16. A shelf
29 is also integrally formed with the rear shell 20. The shelf 29 extends
laterally across the storage region 12 above the shaped internal wall 22
and projects approximately halfway into the storage region 12. The shell
20 is also integrally moulded with internal, laterally spaced, parallel ribs
30 extending longitudinally within the throat 24. The upper ends of these
ribs 30 are curved (see Fig.2) so as to direct an item C toward the throat
24.
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Spaced below the ribs 30 and the base wall 26 are further internal ribs 32
which extend towards the lower end of the body 10 where the outlet 14 is
located. The mutually adjacent longitudinal ends of the ribs 30 and 32
are shaped so as to define a laterally curved, forwardly opening slot 33.
The ribs 32 are integrally moulded with the rear shell 20 and possess
outer walls 48 which help to define the slot 33 and a passage region 46
which is spaced below the base wall 26. The ribs 30 and 32 serve to
stiffen the rear shell 20 and to facilitate passage of the items C.
The front shell 18 is moulded with a localised region defining a manually
operable push button 34 which is integrally connected to the remainder of
the shell 18 by a surrounding resilient region 36 of relatively thin section
such that the push button 34 can be depressed. The stop plate 17 is
integrally moulded with the front shell 18 so as to project rearwardly from
the internal surface of the push button 34 towards the shell 20 at a
location which is just below the upper end of the throat 24. The plate 17
is rectangular and is so dimensioned that, in the position illustrated in Fig.
2, it projects into the throat 24 towards the ribs 30 but not to such an
extent that it prevents a confectionery item C in the storage region 12 from
passing to the bottom of the throat 24 and resting on the base wall 26.
The shell 18 also has integrally moulded laterally spaced longitudinal ribs
35 on the rear of the push button 34. Like the ribs 30 the upper ends of
the ribs 35 are curved so as to act in conjunction with the ribs 30 to assist
in directing the item C to the throat 24, and also reinforce the push button
34 to reduce deformation during use.
The mutually facing inner edges of the ribs 30 and 35 are profiled so as to
define, together with the parts of the wall 22 defining the throat, a passage
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of cross-sectional shape which approximates to the outline of the
confectionery item C (see Fig.S), but which is appropriately larger to allow
only a single confectionery item C to pass the stop plate 17 and rest on the
base wall 26.
The internal wall 22 is spaced from the front shell 18 sufficiently to permit
depression of the push button 34.
Also forming part of the valve 16 is a valve element 38 which is integrally
moulded with the front shell 18 so as to extend rearwardly from the push
button 34. The valve element 38 is disposed above the passage region 46
and abuts against the underside of the base wall 26. As can be seen from
Fig. 1, the valve element 38 is laterally curved so as to conform to the
shape of the base wall 26 and to that of the slot 33 in which it engages.
The valve element 38 has an aperture 40 therethrough which, when the
push button 34 is not manually pressed, is sufficiently misaligned with the
aperture 28 in the base wall 26 for confectionery items C to be incapable
of passing through the apertures 28 and 40.
The outlet 14 is defined in the front shell 18 which is integrally moulded
with an internal pocket 41 defining a downwardly inclined deflecting
flange 42 above the outlet 14 and a tipped pocket region 43 below the
outlet 14. The internal pocket 41 has an upwardly opening aperture 44
therein which lies under and is spaced from the aperture 40.
It will be appreciated from the above, that a passage is defined within the
body 10 which extends between the storage region 12 and the outlet 14,
such passage being defined by (i) the throat 24, (ii) the passage region 46
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below the valve 16, (iii) the aperture 44 and (iv) the interior of the pocket
41. The valve element 38 and the stop plate 17 are movable transversely
with respect to such passage.
In use, with the push button 34 in a relaxed or un-depressed condition,
the stop plate 17 and the valve element 38 are in the positions illustrated
in Figs 2 and 5 thereby allowing a single confectionery item C to fall to
the bottom of the throat 24 without passing through the misaligned
apertures 28 and 40 when the dispenser is held in an upright orientation
as i I I ustrated i n Fig. 1.
When it is desired to dispense a confectionery item C, the push button 34
is manually depressed inwardly. This can conveniently be effected using
one hand only by holding the dispenser in the hand or between the
thumb and forefinger, and pressing the thumb against the push button 34.
This causes the valve element 38 to slide rearwardly within the slot 33
relative to the base wall 26 so as to abut against the base of slot 33. In
this
position the apertures 28 and 40 are sufficiently aligned for the
confectionery item C in the bottom of the throat 24 to pass therethrough.
However, depression of the push button 34 also causes the stop plate 17
to move rearwardly toward the ribs 30 so as to prevent any further
confectionery items C from passing to the bottom of the throat 24 and
through the aligned apertures 28 and 40.
Provided that the body 10 is held substantially upright, the confectionery
item C which has passed through the passage region 46 and the aperture
44, will drop into the pocket 41 so as to be retained in the internal tipped
pocket region 43. Thus, the confectionery item C retained in this pocket
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region 43 can simply be tipped out of the outlet 14 into the hand or
mouth by appropriate tilting of the body 10.
When manual pressure on the push button 34 is relaxed, the resilience of
region 36 causes the push button 34 to return to its original position so
causing the apertures 28 and 40 to become misaligned once more and
also to permit another confectionery item C from the storage region 12 to
fall to the bottom of the throat 24.
The shelf 29 reduces the weight of items C acting on the dispensing
mechanism. This provides for a more reliable functioning of the dispenser
by permitting the items C to move more freely above the dispensing
mechanism.
Referring now to Figs.6 and 7, the dispenser illustrated therein is a second
embodiment of the dispenser intended for dispensing individual
confectionery items C such as small cylindrical mints. Components
corresponding to those in the first embodiment have been given
corresponding numbers, with only the variations being described. As in
the first embodiment the dispenser comprises a flattened ovoid-shaped
hollow body 10 having an upper storage region 12 in which the
confectionery items C are stored, and a lower dispensing outlet 14. The
dispenser further includes a valve indicated by arrow 16 for controlling
the passage of items C to the outlet 14, and a stop means which in this
embodiment are in the form of a pair of ribs 117, replacing stop plate 17,
for ensuring that only one item C can be dispensed each time the valve 16
is opened.
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The hollow body 10 is formed of moulded synthetic plastic front and rear
shells 18 and 20. In this embodiment, the shells 18 and 20 are retained
together by means of pins press fitted into holes 50, and are tamper
evident. The internal wall 22 with downwardly and inwardly sloping
outer regions also defines part of the central throat 24. The throat 24 has a
flat base wall 26 with an aperture 28 therethrough. A control member
129 is integrally formed with the rear shell 20 above the entrance to the
throat 24. This control member 129 replaces wall 29 and extends
forwardly of the storage region 12 towards the front shell 18. The control
member 129 helps to ensure that confectionery items C are correctly
orientated for entry into the throat 24.
The shell 20 is also integrally moulded with internal, laterally spaced,
parallel ribs 130 extending longitudinally within the throat 24. The upper
ends of these ribs 130 are angled (see Fig.7) so as to direct an item C
toward the throat 24. The ribs 130 are shaped so as to allow only a single
item C into the throat 24, further items C being held above the throat 24
by the shape of the ribs 130.
The lower ends of the ribs 130 and the internal wall 22 are shaped so as
to define a forwardly opening slot 33. The ribs 130 and internal wall 22
serve to stiffen the rear shell 20 and to control passage of the items C
through the throat 24. The internal walls 22 also serve to define a passage
region 46 below valve 16.
The stop means 117 is integrally moulded with the front shell 18 so as to
project rearwardly from the internal surface of the push button 34, as
described in the first embodiment, towards the shell 20 and define the
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front of the throat 24. The ribs 117 are mutually parallel and are
dimensioned so that, in the position illustrated in Fig. 7, they project into
the throat 24 towards the ribs 130 but not to such an extent that they
prevent a confectionery item C in the storage region 12 from passing to
the bottom of the throat 24 and resting on valve element 38. Like the ribs
130, the upper ends of the ribs 117 are shaped so as to act in conjunction
with the ribs 130 to assist in directing the item C to the throat 24. The ribs
117 also reinforce the push button 34 to reduce deformation thereof in
use. The front shell 18 also has a pair. of integrally moulded guide plates
152 formed above and perpendicular to the valve element 38. These are
a close sliding fit in respective recesses 22a in the external surfaces of
wall
22 and ensure controlled inward depression of the push button 34.
The mutually facing inner edges of the ribs 130 and the ribs 117 are
profiled so as to define, together with the parts of the wall 22 defining the
throat, a passage of cross-sectional shape which approximates to the
outline of the confectionery item C but which is appropriately larger to
allow only a single confectionery item C to pass into the throat 24 and rest
on valve element 38.
The internal wall 22 is spaced from the front shell 18 sufficiently to permit
depression of the push button 34.
The valve element 38 is integrally moulded with the front shell 18 so as to
extend rearwardly from the push button 34. The valve element 38 is
disposed in the throat 24 above the base wall 26 and abuts against it.
Unlike the previous embodiment, as can be seen from Fig. 6, the valve
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element 38 is flat as is the base wall 26 and the slot 33 in which it
engages.
The outlet 14 is defined in the front shell 18. The rear shell 20 is
integrally
moulded with an internal pocket 41 and a tipped pocket region 43 below
the outlet 14.
It will be appreciated from the above, that a passage is defined within the
body 10 which extends between the storage region 12 and the outlet 14,
such passage being defined by (i) the throat 24, (ii) the passage region 46
below the valve 16, (iii) and the interior of the pocket 41. The valve
element 38 and the ribs 117 are movable transversely with respect to such
passage.
In use, with the push button 34 in a relaxed or un-depressed condition,
the ribs 117 and the valve element 38 are in the positions illustrated in Fig
7 thereby allowing a single confectionery item C to fall to the bottom of
the throat 24.
When it is desired to dispense a confectionery item C, the push button 34
is manually depressed inwardly. As well as allowing a confectionery item
C to be dispensed, depression of the push button 34 also causes the ribs
117~to move rearwardly toward the ribs 130 so as to prevent any further
confectionery items C from passing to the bottom of the throat 24 and
through the aligned apertures 28 and 40.
Although not shown in the drawings, each of the mutually facing surfaces
of the base wall 26 and the valve element 38 has a small transverse rib
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positioned so that, as the valve 16 opens, an audible click is produced
when the rib on the valve element 38 passes over the rib on the base wall
26.
It will be appreciated from the above that the whole of the dispenser is
defined by only two mouldings, which enables it to be manufactured very
economically with a minimum of external joints which allow ingress of
contaminants. Additionally, the dispenser is simple and convenient to
operate with one hand.
