Improvements in Hide Fleshing Machines.
Year: 1892

page_text: Date of Application, 4th Aug., 1892-Accepted, 10th Sept., 1892
COMPLETE SIECIFICATIVA.
[Communicated from abroad by ARTHUR EASTMAN WHITNEY, of Winchester,
in the County of Middlesex, and State of Massachusetts, United States of
America, Machinist.]
Improvements in Hide Fleshing Machines.
1, HENRY HARRIS LAKE, of the firm of Haseltine Lake & Co., Patent Agents,
45 Southampton Buildings, in the County of Middlesex, do hereby declare the nature
of this invention and in what manner the same is to be performed to be particularly
described and ascertained in and by the following statement :-
This invention relates to hide fleshing machines and it consists in certain novel
features of construction arrangement and combination of parts, as hereinafter set
forth, reference being had to the accompanying drawings.
Figure of the drawings is an end elevation of a machine embodying this
invention.
Figure 2 is a vertical sectional elevation, the cutting plane being on line 1, 1 on
Figure 4, looking toward the right of said figure.
Figure 3 is a partial sectional elevation of the end opposite to that shown in
Figure 1, drawn to an enlarged scale.
Figure 4-is an elevation of the back side of the machine.
Figure 5 is a partial sectional elevation of one end of the machine, the cutting
plane being on line 2, 2 on Figure 3, and drawn to the same scale as Figure 3.
In the drawings A. A are the two end frames of the machine connected together
by the tie girts B B' and B2, and having their upper ends slotted to receive the
boxes C C which rest upon and are supported by the inner ends of the levers a
pivoted at a and adjustable about said pivotal connection by means of the set
screws to adjust said boxes and the feed roll D, mounted therein, to the desired
elevation, said roll being pressed down upon said supporting lever by means of
springs c contained in the casing c' and adjustable to regulate their tensions by the
set screws c².
E is the fleshing cylinder provided with blades d d arranged spirally in opposite
directions from the centre of its length and mounted in fixed bearings in the
frames A A. as shown in Figures 1 and 4.
F is the bed roll having its periphery covered with a sleeve or envelope e of.
rubber or other elastic material and mounted in bearings in the boxes fi fitted
to the forked upper ends of the two radius arms G G the lower ends of which are
pivoted to the cross bars A¹ of the frames A as shown in Figures 3 and 5.
H is a toggle link pivoted at one end to a radius arm G and at its other end to a
toggle link H and to the treadle rod I. The toggle link H' is composed of two
parts screwed one within the other so that the length of said link may be readily
adjusted to suit different conditions.
The outer end of said link H is pivoted to the stem g' of the piston g fitted to a
cylindrical socket formed in the frame A in which it is movable towards and from
the centre of the machine, it being pressed against the abutment at the inner end
of said socket and towards the centre of the machine by the spring enclosed in
the housing J, the tension of said spring being adjustable by the set screw J' acting
upon the piston said set screw being clamped in its adjusted position by the
check nut J³.
KK are two treadle levers pivoted one to the inside of each of the frames A
and connected together at their outer ends by the treadle board K¹ as shown.
Each of the treadle levers K has adjustably secured on its inner end the laterally
projecting arm K² to the lower end of which is pivoted the lower end of a treadle
rod I as shown in Figures 1 and 4.

page_text: A set screw i is fitted to each frame A in such a position and manner as to serve
as an adjustable stop to limit the inward movement of the radius arms G G.
LL are two levers mounted upon the inner ends of the fulcrum pins of the
radius arms GG, and provided at the ends of their short arms with laterally
projecting arms or lugs if with which the front sides of the radius arms G come in
contact to raise the long arms of said lever L to the positions shown in full lines
in Figure 2 when the bed roll is moved away from the fleshing cylinder as shown
in Figure 2.
The long
.arms of the levers L have adjustably mounted thereon the counter
weights L' which partially counterbalance the weight of the bed roll, when in its
retracted position, and thus reduces the amount of power necessary to be applied
to the treadle to move said bed roll into contact with the feed roll and fleshing
cylinder when the skin to be fleshed has been placed thereon.
M M are two arms pivoted, one to the inside of each frame A near its back or
rear edge and projecting towards the front of the machine to a point above the
rear end of the treadle lever K, and each of said arms has secured thereon the
upwardly projecting arm in the same vertical plane as the long arm of the lever L,
and is also provided with the lug which engages with the inner edge of the
rear upright of the frame A to limit the downward movement of the inner end
of the arm M.
Each of the front sides of the upper forked ends of the radius arms G has secured
thereto, by any suitable means, a cushion k, of rubber or any other yielding
material, which comes in contact with the shoulder k¹ on the frame A to arrest
the outward movement of the bed roll with the minimum of shock or jar to
the machine.
Rotary motion is imparted to the cylinder by means of the belt leading from
any suitable counter shaft to the pulley on the shaft of said cylinder.
The opposite end of said shaft has secured thereon the broad faced pulley 12 from
which the belt m leads to and around the loose pulley m¹ or the tight pulley m²
mounted upon a stud set in the plate A secured to the left hand frame A.
The tight pulley m has formed upon or secured to its hub the pinion n, shown
in dotted lines in Figure 1, which meshes into, and imparts motion to, the spur gear
wheel N also mounted upon a stud set in the plate A' and having connected
therewith the pinion n' which meshes into, and imparts motion to, the spur gear
wheel N which has secured to its inner face the sprocket wheel O shown in dotted
lines in Figure 1.
The gear wheel N¹ is mounted upon the outer end of the fulcrum pin which
connects the left hand radius arm G to the frame A, and meshes into, and imparts
motion to, the spur gear wheel N¹ mounted upon a stud set in the plate A secured
to the outer face of the left hand frame A, and having secured thereto the sprocket
wheel O shown in Figures 1 and 4.
A chain belt P connects the sprocket wheel O with the sprocket wheel P¹ on the
left hand end of the bed roll F and a similar chain belt Q connects the sprocket
wheel O with the sprocket wheel Q' on the left hand end of the feed roll D,
said chain belt being sufficiently slack to permit the necessary adjustment of the
feed roll D.
S is a shipper rod or bar mounted in bearings in the stand R bolted to, and
projecting outward from, the left hand frame A, and has secured thereon the
shipper fingers oo, and the pendent arm p with which the forked upper end of the
three armed lever T engages as shown.
The lever T is pivoted to ears p¹ on the plate A' and has a pin o¹ set in the end
of the arm o' to enter the slot o³ in the rod p' the lower end of which is pivoted to
one of the treadle levers K, and has suspended from the end of the arm of the
counter weight W, all as shown in Figure 5.
If desired plain pulleys may be substituted for the sprocket wheels O O' P
,and Q and ordinary belts for the chain belts P and Q without affecting the
principles of my invention.

page_text: The blades of the fleshing cylinder are ground concentric to the axis of said
cylinder, and I have found by practical test that a cylinder having a large number
of spirally arranged blades arranged as shown, and ground as described, will spread
out the hide upon the bed roll and remove the surplus flesh without the intervention
of a spreading cylinder distinct from the fleshing cylinder, except when the cylinder
is acting upon the irregular skirts of the hide which are liable to be at one side or
the other of the centre of the length of the fleshing cylinder, in which case the
action of the spiral blades tends to bend said projecting portion of the hide too far
to one side or the other, thus forming a fold therein, and then the blade will cut
the hide so as to injure it.
To obviate this difficulty a stiff' rocket shaft U is mounted in bearings in the
frames A, upon which shaft is secured a steel plate r of a length equal to the
lengths of the bed roll and fleshing cylinder, said shaft and plate being so arranged
that the upper portion of one side will press upon the hide being acted upon and
hold it hard against the surface of the bed roll when said roll is moved into position
to bring the hide placed thereon into contact with the blades of the fleshing
cylinder, and thus prevent the irregular projecting portions of the hide being thrown
to one side and injured by the blades of the fleshing cylinder.
The shaft U has secured to one end thereof the lever V, from the free or
movable end of which is suspended the weight V¹ which serves to hold the lever V
in contact with the stop screw until the bed roll is brought into contact with the
upper edge of the plate, when said plate will be moved about the axis of the shaft U
a limited distance, lifting the movable end of the lever V and the weight V¹.
The shaft U and plate rare shown best in Figures 2 and 3, and partly in
Figure 4 where a great portion of these parts are broken away to show the bed roll
beyond.
The lever V and weight V₁ are shown in Figures 3 and 4.
The operation of this invention is as follows:-
The parts being in the positions shown in the drawings, and power being applied
to the fleshing cylinder E to rotate it at a high rate of speed, and the bed roll F
being nearly counterbalanced by the weight L₁ the operator places a skin or hide
upon the bed roll in such position that about one-half its length shall be on each
side of said roll.
He then places his foot upon the treadle board and depresses it into the position
shown in dotted lines in Figure 20, which can be done with the exercise of a small
amount of power on account of the counter balance weight L', and causes the
toggle HH to be nearly straightened, the bed roll to be moved into the position
shown in dotted lines in Figure 3, so as to cause the hide placed thereon to
come in contact with the upper part of the plater and with the blades of the
cylinder E.
The first part of the movement of the treadle board and the forward movement
of the bed roll from its state of rest, is further facilitated by the fact that the
leverage of the short arms of the treadle levers is much greater at the start than
during the last part of the movement of said treadle when the toggle is in its most
advantageous position for exerting power.
The last part of the downward movement of the treadle board causes the belt m
to be shipped from the loose pulley m' upon the tight pulley m² by the upper end
of the slot o in the rod p² coming in contact with the pin o¹ in the arm o of the
lever T, and at the same time the rear ends of the treadle levers K K come in
contact with and lift the free arms M M into the position indicated by dotted lines
in Figure 2, whereby the levers L are arrested in their descent or raised to the
position shown in dotted lines in Figures 2 and 3, with their laterally projecting
lugs or arms removed from contact with the arms G when the weights L' will
serve to somewhat more than counterbalance the treadle board so that when the
operator's foot is removed therefrom the treadle will automatically assume the
position shown in full lines and the arms G G and the bed roll will assume
the position shown in full lines in Figures 1 2 and 3.

page_text: Having now particularly described and ascertained the nature of this inven
tion and in what manner the same is to be performed, as communicated to me by
my foreign correspondent, I declare that what I claim is :-
1. In a hide fleshing machine the combination of a revolving fleshing cylinder
mounted in fixed bearings; a feed roll mounted in yielding bearings adjustable stops
to limit the inward movement of said feed roll, a bed roll mounted in bearings in
the free ends of a pair of radius arms a treadle mechanism connected to, and
adapted to move, said radius arms about their pivotal connections, to move said bed
roll into contact with and away from said feed roll and fleshing cylinder; stops to
limit the outward movement of said bed roll and mechanism having provision for
imparting rotary motion to said feed and bed rolls when said bed roll
contact with said fleshing cylinder and to arrest said rotary motions of said bed and
feed rolls when said bed roll is moved away from said fleshing cylinder.
moved into
2. In combination with a revolving knife cylinder mounted in fixed bearings and
a feed roll mounted in adjustable and yielding bearings the two radius arms G Ga
bed roll mounted in bearings in the free ends of said radius arms; the toggle
links H and H' connected at one end to, and adapted to move said radius arms
about their axes of motion the yielding piston abutment g g¹ connected to said
toggles the spring h; the rod 1, and the treadle K K all constructed, arranged and
operating substantially as described.
3. In combination with a revolving knife cylinder mounted in fixed bearings and
a feed roll mounted in yielding bearings adjustable stops to limit the inward or
downward movement of said feed roll; the two radius arms G G a bed roll
mounted in bearings in the free or movable ends of said radius arms the toggle
links Hand H¹ connected by one end to said radius arms; the yielding piston
abutment gg connected to the other end of said toggle; the treadle levers K K
the rods I connecting said treadle levers and toggle links the weighted levers L L
provided with the laterally projecting arms or lugs to engage said radius arms
and the arms or levers M M provided with the arms ; and lugs j₁ constructed
and arranged relative to the levers L L and K K as set forth and adapted to operate
substantially as described.
4. In combination with a revolving knife cylinder mounted in fixed bearings and
a feed roll mounted in adjustable and yielding bearings the radius arms G G a bed
roll mounted in bearings in the free or movable ends of said radius arms the toggle
links H H the treadle levers K K the rods I connecting said treadle levers to the
toggle links the tight and loose pulleys m³ and m' a belt leading from a pulley on
the knife cylinder to said tight and loose pulleys a train of gears and belts or
chains connecting said tight pulley m² with pulleys or sprocket wheels on the feed
and bed rolls a shipper rod and fork the three armed weighted lever T provided
with the pin o¹ and connected by its upright arm to the shipper rod; and the slotted
rod p² pivoted to the treadle lever and engaging by its slotted end said pin o' all
substantially as described.
5. In a hide working machine, the combination with a revolving knife cylinder
mounted in fixed bearings, and a feed roll mounted in adjustable and yielding
bearings of a bed roll mounted in the movable ends of two radius arms, the rocker
shaft U, the steel plater secured to and projecting from said rocker shaft U in
position to be engaged by said bed roll when it is moved into contact with the
fleshing cylinder the lever V mounted on said rocket shaft the weight V₁ carried
by said lever the stop to limit the downward movement of said lever V a treadle
mechanism for moving the bed roll toward and from the knife cylinder suitable
gearing for rotating said feed and bed rolls and a shipper mechanism connected to
and controlled by the treadle, all arranged and operating substantially as described.
1000
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.