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Patent 1206795 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 1206795
(21) Application Number: 1206795
(54) English Title: DRIVE APPARATUS FOR ROLL BALING MACHINE
(54) French Title: MECANISME D'ENTRAINEMENT POUR LIEUSE DE BALLES CYLINDRIQUES
Status: Term Expired - Post Grant
Bibliographic Data
(51) International Patent Classification (IPC):
  • A1F 15/00 (2006.01)
(72) Inventors :
  • EGGERS, EDWARD T. (United States of America)
  • FREIMUTH, JOHN H. (United States of America)
  • JENNINGS, RICHARD E. (United States of America)
  • CAMPBELL, WILLIS R. (United States of America)
(73) Owners :
(71) Applicants :
(74) Agent: SMART & BIGGAR LP
(74) Associate agent:
(45) Issued: 1986-07-02
(22) Filed Date: 1983-08-05
Availability of licence: N/A
Dedicated to the Public: N/A
(25) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data: None

Abstracts

English Abstract


DRIVE APPARATUS FOR ROLL BALING MACHINE
ABSTRACT OF THE DISCLOSURE
A roll baling machine including a floor roller, a bale
forming apron, and drive apparatus connected between the
fl?or roller and the bale forming apron. The drive apparatus
causes rotation of the floor roller in response to movement
of the apron in a normal direction during bale formation.
The drive apparatus includes a clutch mechanism which drivingly
discounts the floor roller form the apron in response to
movement of the apron in reverse direction such as when a bale
is discharged from the machine.


Claims

Note: Claims are shown in the official language in which they were submitted.


- 8 -
Having thus described the invention, what is claimed is:
1. A roll baling machine comprising:
a) a frame;
b) a floor roller rotatably supported on said
frame;
c) an apron movably supported on said frame and
cooperating with said floor roller for forming a roll bale of
crop material;
d) drive means connected between said floor roller
and said apron for rotating said floor roller in response
to movement of said apron in a first direction during bale
formation; and
e) said drive means including clutch means for
drivingly disconnecting said floor roller from said apron in
response to movement of said apron in a second direction which
is opposite said first direction.
2. The roll baling machine defined in Claim 1, further
comprising:
a) pickup means movably supported on said frame
for picking up crop material from the ground;
b) said drive means also connected between said
pickup means and said apron for moving said pickup means in
response to movement of said apron in said first direction; and
c) said clutch means also drivingly disconnecting
said pickup means from said apron in response to movement of
said apron in said second direction.
3. The roll baling machine defined in Claim 1, wherein
said clutch means comprises:
a) a driving member connected to said apron; and
b) a driven member connected to said floor roller.
4. The roll baling machine defined in Claim 3, wherein
said clutch means further comprises a pawl on said driving
member engageable with teeth on said driven member.
5. The roll baling machine defined in Claim 1, wherein
said apron comprises endless flexible members and transverse
members extending between and interconnecting said endless
flexible members.

Description

Note: Descriptions are shown in the official language in which they were submitted.


DRIVE APP~RATUS FOR ROLI BALING MACHINE
1 This invention relates generally to ro]l baliny
machines typically referred to as "round balers" which form
cylindrical roll bales of crop material.
The present invention provides a roll baling machine
including a frame a floor roller rotatably supported on the
frame and an apron supported on the frame cooperating with
the floor roller to form a roll bale of crop material. The
machine also includes drive means connected bet~een the floor
roller and the apron for rotating the floor roller in response
to movement of the apron in a firs-t direction during bale
formation. The drive means includes clutch means for drivingly
disconnecting the floor roller from the apron in response to
movement of the apron in a second direction which is opposite
the ~irst direction. In its preferred embodiment the clutch
means includes a driving member connected to the apron and a
dri~en member ccnnected to the floor roller.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a side elevational view of a roll baling
machine embodying the present invention taken when the machine
is ernpty
Fig. 2 is a side elevational view of the machine
shown in Fig. 1 when a bale has been formed and is disposed in
the machine;
Fig. 3 is a side elevational view of the machine of
Fig. 1 taken as the bale is being discharged from the machine;
Fig. 4 is an enlarged plan view of part of the drive
means of the machine;
Fig. 5 is a view taken along the lines 5--5 of Fiy. 4.
DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to Fig. 1 the roll baling machine embodying
the present invention includes a base frame 10 ha~ing opposite
sides each forlned generally of frame members 12 14 16 ri~idly
connected in a triang~1lar configuration with side plates
substa~ltially covering the space therebetween. ~ rear frame 18
is ~ivotally connected at 20 to the base frame 10 by suitable
bearings. The rear frame 18 has opposite sides each formed
gene~-ally of frame members 22 24 26 28 rigidly connected in

i7~S
-- 2 --
a substantially trapezoidal configuration with side plates
substantially covering the space therebetween. Other frarne
members (not shown) exter!d transversely of the machine and
connect the opposite sides of the base frame 10 and the opposite
sides of the rear frame 18. In Figs. 1-3, the forward end of
the machine faces to the left and rearward end thereof faces
to the right.
A ~air of hydraulic cylinders (not sho~n) may be
mounted at the sides of the machine and connected between the
base frame 10 and the rear frame 18. The hydraulic cylinders
would be operate~ in known manner to move the rear frame 18
upwardly from i-ts lower position shown in Fig. 1 to an upper
position.
An arm assembly 30 is rotatably mounted on the base
frame 10 and includes front arms 32 and rear arms 34 disposed
inboard the sides of the machine. The front and rear arms 32,
34 are rigidly connected to a cross beam 36 that extends
transversely of the machine. The arm assembly 30 also includes
brackets 38 disposed inboard the sides of the machine. The
brackets 38 fixedly support shafts 40 which are rotatably mounted
in bearing members carried by brackets 42 on the opposite sides
of the base frame 10. The arm assembly 30 is normally urged
toward the position shown in Fig. 1 by conventional means
such as extension or compression springs (not shown) connected
between the arm assembly 30 and the base frame 10.
The arm assembly 30 carries rotatable guide members
4~,46 on the front arms 32 and rotatable guide members 48
on the rear arms 34. The base frame 10 supports rotatable guide
members 50 and cam guide members 52 inboard its opposite
sides. Preferably, the cam guide members 52 are of the known
type disclosed in U.S. Patent No. 3,901,007 and designated
therein by the numeral "118". Sprockets 54 are provided
inboard the opposite sides of the base frame 10 and are fixed on
a shaft 56 that is rotatably mounted in suitable bearings on
the base frame 10~ The rear frame 18 supports rotatable guide
members 58,60,62,6~ inboard its opposite sides~ As best seen
in Fig. 3, the guide members 64 are carried on brackets 66
projecting from the frame members 22 of the rear frame 18.
A flexible bale forming apron 68 is movably supported
on the aforementioned guide members and sprockets following the
patll shown in Fig. 1 when the machine is empty~ The apron 68

1 is prefera~ly formed of a pair of endless link-type chains
connected at spaced :intervals by transverse ~,ars or slats.
The apron chains extend around and enyage the various guide
members and the sproc}~ets 54. This apron 68 is of the known
type disclosed in U.S. Patent No~ 3,901,007 and designated
therein by the nuMeral "82".
A floor roller 70 extends transverse]y of the machine
and is rotatably supported by brackets 72 on the opposite sides
of tne base frame 10. Preferably, the floor roller 70 consists
of a hollow metal drum with a coating or layer of rubber on its
outer surface. When the machine is empty as seen in Fig. 1, the
upper surface of the floor roller 70 cooperates with a course of
the apron 68 that extends upwardly and rearwardly from the guicle
members 64 over the cam guide members 52 and then downwardly
and forwardly to the sprockets 56 to define a bale chamber 74
having an initial wedge shape in side elevation. In this
initial wedge shape, the forward end of the bale chamber 74 is
narrower than the rearward end thereof. A stripper roller 76,
preferably rubber coated, extends transversely of the machine
and is rotatably supported on the opposite sides of the
base frame 10. The stripper roller r/6 is positioned at the
forward end of the bale chamber 96 in close proximity to the
apron 68.
A pickup header 78 extends transversely of the
machine and is supported by brackets 80 on the opposite sides
of the base frame 10. The pickup header 78 is preferabl~ of
conventional type having a series of projecting fingers 82
rotating in the path indicated for engaging and picking up
windrowed crop material. A pair of wheels 84 mounted on the
opposite sides of the base frame 10 support the machine.
Another pair of wheels 86 are mounted to the brackets 80 to
provide support primarily for the pickup header 78. A tongue
88 is provided on the forward end of the base frame 10 for
connection to a tractor.
A gear box 90 is mounted on the base frame lOo An
input shaft 92 is connected at one end to the gear box 90, and
the other end of the input shaft 92 is adapted for connection
to the power take off unit (PTO) of a tractor (not shown).
An output shaft 94, as also seen in Fig. 4, extends from the
gear box 90 toward the side of the machine shown in Fig. 1 and

~L~2~)~i7~S
1 has a sheave 96 fixed thereto. Another sheave 98 is fixed on
the shaft 56 at the same side of the rnachine as the sheave 96,
and a belt 100 extends around the sheaves 96 and 98. A sprocket
102, also seen in Fig. ~, is fixed on the shaft 56 at the other
side of the machine and a sprocket 104 is fixed on the support
shaft of the stripper roller 76, at the same side of the machine
as the sprocket 102. A chain 106 extends around the sprockets
102 and 104 in order to drive the stripper roller 76.
Referring now to Figs. 4 and 5, a clutch mechanism 108
according to the present invention is mounted on the shaft 56
adjacent the sheave 98. The clutch mechanisrn 108 includes a
driving member 110 fixed on the shaft 56 and a driven member 112
rotatably mounted on the shaft 56. The driving member 110 is
splined on the shaft 56 and is held thereon by a retainer
device 114. The driving rnember 1]0 includes a hub portion 116
and an arm portion 118. A pawl 120 is pivotally mounted on a
pin 122 carried by the arm portion 118 of the driving member l:L0.
A spring 124 is mounted between the pawl 120 and the hub
portion 116 of the driving member 110. The spring 124 normally
20 urges the free end of the pawl 120 toward a series of teeth 126
formed around an inner peripheral wall of the driven member 112.
When the shaft 56 is rotated in a clockwise direction as viewed
in Fig. 5, the free end of the pawl 120 is urged by the spriny 124
into engayement with one of the teeth 126 in known manner so
that the driven member 112 rotates with the driving member 110
in the clockwise direction. When the shaft 56 is rotated in a
counterclockwise direction as viewed in Fig. 5, the free end
of the pawl 120 successively slips over the teeth 126 in a
known manner so that the driven member 112 does not rotate with
the driving member 110 in the counterclockwise direction.
~eferring now also to Fig~ 1, a sprocket 128 is
secured by bolts 130 to the driven member 112 of the clutch
mechanism 108 so that it rotates with the driven member 112.
A sprocket 13? is fixed on the support shaft of the floor
roller 70, and a chain 134 extends around the sprockets 128
and 132 to drive the floor roller 70. Another sprocket 136
is mounted on the support shaft of the floor roller 70 adjacent
the sprocket 132~ A sprocket 138 is provided on the center
drive shaft of the pickup header 78 on the same side of the
40 machine as the sprocket 136, and a chain 140 extends around
the sproc~ets 136 and 138 to drive the pickup header 78.

~3~
- 5 --
1 Referring again to Fig. 1, an arm 14~ is pivoted by
a pin 1~4 on a bracket 1~6 that i.s carried on the base frame 10.
The arm 142 carries a rotatable sheave 1~8 in position for
engaging the belt 100. A spring 150 is connected at one end
to the arm 142 and at the other end to a bracket 152 on the
frame member 14 of the base frame 10. A cable 154 is connected
at one end to the arm 142 and at the other end to a pin 156
mounted on the rear frame 18. When the rear frame 18 is in its
lower position of Fig. 1, the spring 150 pulls the arm 142 in
a direction to firmly engage -the sheave 148 with the belt 100.
This tightens the belt 100 and provides a driving connection
between the sheaves 96 and 98 via the belt 100. At the same t:Lme,
the cable 15~ is slack and thus has no effect on the arm 142.
As the rear frame 18 is moved uwardly as shown in Fi~. 3, the
cable 154 is pulled tight and as a result pulls the arm 142 in
a direction against the force of the spring 150 so that the
sheave 148 is moved out of engagement with the belt 100. This
allows slack in the belt 100, and the sheave 98 is drivingly
disconnected from the sheave 96.
With reference to Figs. 1 and 2, rotary driving power
is delivered from the PTO of a tractor through the input
shaft 92, the gear box 90, and the output shaft 94 to the
sheave 96. This causes rotation of the sheave 96 in the
direction indicated which ir. turn causes rotation of the sheave 98
in the same direction via the belt 100. Such rotation of the
sheave 98 causes rotation of the shaft 56 and the sprockets 54
and 102 fixed thereto. Due to the clutch mechanism 108, this
rotation of the shaft 56 causes rotation of the sprocket 128.
The sprockets 54 drive the apron chains thereby propelling
the apron 68 around the various guide members in the base
frame 10 and the rear frame 18 in the direction and along the
path indicated. The sprocket 128 drives the sprocket 132
via the chain 13~ thereby rotating the floor roller 70 in the
direction indicated. The sprocket 102 drives the sprocket 104
via the chain 106 thus rotating the stripper roller 76 in the
direction indicated. The rotation of the floor roller 70 in
turn causes rotation of the sprocket 136. The sprocket 136
drives Lhe sprocket 138 via the chai.n 140 thereby rotatin~ the
fingers 82 of the pickup header 78 in the direction indicated.
The various chains and sprockets rnay be sized so that the parts
of the machine operate at any desired speeds. For example, the

1 apron chains, the chain 134, and the sprockets 54,128,132 are
preferabl~ sized so that the peripheral speed of the floor
roller 70 is equal to or slightly higher than the speed of the
apron 68. This tends to keep a roll of crop material toward
the rear~ard end of the machine during formation.
As the machine is pulled across a field by a tractor,
the pickup header fingers 82 engage, pick up and deliver
windrowed crop material onto the upper surface of the rotating
floor roller 70 in the bale chamber 74. The crop material is
carried upwardly and then coiled back downwardly onto itself
by the apron 68 which moves upwardly and rearwardly from the
guide members 64 over the cam guide members 52 and then downwardly
and forwardly to the sprockets 54. This movement of the apron 5
in the bale chamber 74 effectively starts the core of the
roll bale. The rotating stripper roller 76 removes crop
material from the apron 68 at the forward end of the bale
chamber 74 and delivers it back downwardly into the bale chamber 74.
The roll bale increases in diameter lifting the inner course
of the apron 68 that extends between the guide members 64
and the sprockets 54 off the cam guide members 52, and expanding
the bale chamber 74 from its initial wedge shape to a sub-
stantially circular shape. The expansion of the bale chamber 74
results in movement of the inner course of the apron 68 into
the rear ~rame 18. This movement of the apron 68 is accomplished
by rotation of the arm assembly 30 in a counterclockwise direction
from the position shown in Fig. 1. When the bale reaches its
maximum diameter, a substantial amount of the inner course
of the apron 68 is disposed inside the rear frame 18 and the
arm assembly 30 is rotated to the position shown in Fig. 2.
When it is desired to discharge the completed bale
from the machine, the rear frame 18 is raised upwardly as shown
in Fig. 3. This stretches the inner course of the apron 68
across the space between the guide members 64 and the
sprockets 54 thereby assisting the bale to exit the machine.
The raising of the rear frame 18 also drivingly disconnects the
sheave 98 from the sheave 96 in the manner explained above,
thereby shutting off all power from the tractor PTO to the apron 68,
floor roller 70, stripper roller 76, and pickup header 78.

795
1 The bale rotates in a generally clockwise direction as viewed
in Fig. 3 as it exits the machine. Such bale rotation causes
the apron 68 to move in reverse direction. secause of the
clutch mechanism 108, however, the floor roller 70 and the
fingers 82 of the pickup header 78 do not rotate in reverse
direction. This prevents damage to the pickup header 78~
The floor roller 70 is free to rotate in its normal direction
inde~endently of the apron 68 to help in discharging the bale
from the machine.
The following claims are intended to cover all
modifications and variations of the preferred embodiments of
the invention without departing from the spirit and scope of
the invention.

Representative Drawing

Sorry, the representative drawing for patent document number 1206795 was not found.

Administrative Status

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Event History

Description Date
Inactive: Expired (old Act Patent) latest possible expiry date 2003-08-05
Grant by Issuance 1986-07-02

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
None
Past Owners on Record
EDWARD T. EGGERS
JOHN H. FREIMUTH
RICHARD E. JENNINGS
WILLIS R. CAMPBELL
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
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Document
Description 
Date
(yyyy-mm-dd) 
Number of pages   Size of Image (KB) 
Cover Page 1993-06-27 1 14
Abstract 1993-06-27 1 15
Claims 1993-06-27 1 43
Drawings 1993-06-27 3 125
Descriptions 1993-06-27 7 333