IMPROVEMENTS IN MINCING MACHINES
Year: 1884

page_text: I ALEXANDER MELVILLE CLARK of the firm of A. M. and Wm Clark of
53 Chancery Lane in the County of Middlesex, Fellow of the Institute of Patent
Agents, do hereby declare the nature of the said invention for "IMPROVEMENTS IN
MINCING MACHINES" to be as follows:-
This Invention relates to an apparatus by means of which meat and other similar
matters may be quickly minced or reduced to a fine and even pulp. Such an
apparatus will be found very serviceable especially for preparing alimentary
substances in a form acceptable to persons requiring substantial nourishment in
an easily assimilable condition.
The principle of the Invention will be readily understood by reference to the
accompanying drawings, in which Figures 1 and 2 represent in section and plan
the essential element of the apparatus. This consists of a plate a pierced with
holes b which are countersunk on the underside so as to form cutting edges on the
upper surface of the plate. The meat is pressed upon the upper face of this plate
and moved rapidly to and fro along it so that the meat is forced into the perforations b
and is minced by the cutting edges and falls through the holes in the state of finely
divided pulp. Any suitable means may be employed for holding the meat against
the plate during the operation, such for instance as a small cylinder rising from a
base having cheeks embracing the sides of the plate a and thereby serving to guide
the cylinder in its to and fro movement and furnished with a plunger to force the
meat down into the plate as fast as it is minced, by means of a pressing screw.
is a ring attached to one end of the plate a for holding the same during the
operation.
Figure 3 represents in longitudinal section a mincer in which the meat or other
substance is acted on by a pair of perforated plates such as above described facing
one another, between which the meat is placed. In this arrangement the meat is
held and supported by the lower plate which is stationary while the upper plate is
reciprocated and at same time is caused to press on the meat or other substance as
hereafter described, the meat being minced by and passing out through both plates.
In this apparatus a is the lower plate carried by an arin d whose forward end is
provided with cheeks c screwed to forks e and whose rear end is also forked at e¹
and bent upwards and carries a joint pin f upon which the arm h of the upper

page_text: plate is free to slide by means of the elongated slot g on its tail end. j is a spring
for separating the two branches'd and h which are brought together by the
handle k.
The handle is set on a lever Z which is pivotted at m in a slot n of the
branch & and passes through an opening o of the branch between friction rollers p,
the arrangement being such that the lever is caused to impart to and fro movement
to the plate while the necessary pressure is exercised on the substance between
the plates by pressing on the handle k which slides freely down the lever L. is a
cover plate beneath which slides the branch pivoted to the axis fand carrying a
friction roller s running in a guide groove't. Figure 4 is a side view, and Figure 5
à horizontal section of a modification wherein the perforated cutting plate is a
dise a mounted on a shaft c rotated by a crank d. Against the internal or cutting
face of the disc a is applied the end of a cylinder e fitted with a perforated plate g
having holes coned or countersunk in the opposite direction to those of the disc a.
The disc a turns in contact with the plate g and the meat in the cylinder e is forced
by the piston through the holes of the plate y, and sliced off by the cutting edges
of the dise a.
The piston rod his attached to crosshead. ¿ sliding along, a guide rod j and
attached to a nut & travelling on a screwthreaded part of the cutting disc shaft c
so that the meat is fed up automatically. The nut is in halves jointed together
so that by unlocking it the piston may be readily drawn back for introducing the
meat into the cylinder. m is the frame of the machine.
Figures 6 and 7 represent side and end views of cutter plates formed with series
of parallel ribs or blades 6 having serrated edges c. The blades b of the one plate
are opposite the spaces between those of the other plate, so that by placing the
meat between the two plates and imparting to and fro motion to one of them, the
meat is rapidly minced or triturated.
:

page_text: I; ALEXANDER MELVILLE CLARK; of the firm of A. M. and Win. Clark, of
53, Chancery Lane, in the County of Middlesex, Fellow of the Institute of Patent
Agents, do hereby declare the nature of the said Invention for "IMPROVEMENTS IN
MINCING MACHINES" (a cominunication to me from abroad by Collin et Cie., of
Paris, France,) and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement :-
זי
This Invention relates to an apparatus by means of which meat and other similar
matters may be quickly minced or reduced to a fine and even pulp. Such an
apparatus will be found very serviceable especially for preparing alimentary
substances in a form acceptable to persons requiring substantial nourishment in an
easily assimilable condition.
The principle of the invention will be readily understood by reference to the
accompanying drawings, in which Figures 1 and 2 represent in section and plan
the essential element of the apparatus. This consists of a plate a pierced with
holes b which are countersunk on the underside so as to form cutting edges on the
upper surface of the plate. The meat is pressed upon the upper face of this plate
and moved rapidly to and fro along it so that the meat is forced into the perforations b
and is minced by the cutting edges and fills through the holes in the state of finely
divided pulp. Any suitable means may be employed for holding the meat against
the plate during the operation, such for instance as a small cylinder rising from a
base having cheeks embracing the sides of the plate a and thereby serving to guide
the cylinder in its to and fro movement and furnished with a plunger to force the
meat down into the plate as fast as it is minced by means of a pressing screw.
c is a ring attached to one end of the plate a for holding the same during the
operation.
Figure 3 represents in longitudinal section a mincer in which the meat or other
substance is acted on by a pair of perforated plates such as above described
facing one another, between which the meat is placed. In this arrangement thê
meat is held and supported by the lower plate which is stationary, while the upper
plate is reciprocated and at same time is caused to press on the meat or other
substance as hereafter described, the meat being minced by and passing out through
both plates-In this apparatus a is the lower plate carried by an arm & whose
forward end is provided with cheeks c screwed to forks e and whose rear end is also
forked at e¹ and bent upwards and carries a joint pin f upon which the arm h of
the upper plate is free to slide by means of the elongated slot g on its tail end.
is a spring for separating the two branches d and h which are brought together
by the handle k.
The handle k is set on a lever 7 which is pivotted at m in a slot n of the branch d
and passes through an opening o of the branch between friction rollers 1, the
arrangement being such that the lever is caused to impart to and fro movement
to the plate i, while the necessary pressure is exercised on the substance between
the plates by pressing on the handle k which slides freely down the lever . is a
cover plate beneath which slides the branch h pivoted to the axis ƒ and carrying a
friction roller s running in a guide groove t.
Figure 4 is a side view, and Figure 5 a horizontal section of a modification
wherein the perforated cutting plate is a disc a mounted on a shaft e rotated by a
crank d. Against the internal or cutting face of the disc a is applied the end of
a cylinder e fitted with a perforated plate g having holes coned or countersunk in
the opposite direction to those of the disc a. The disc a turns in contact with the

page_text: plate g and the meat in the cylinder e is forced by the piston f through the holes of
the plate g, and sliced off by the cutting edges of the disc a. The piston rod h is
attached to crosshead i sliding along a guide rod j and attached to a nut k travelling
on a screwthreaded part of the cutting disc shaft o so that the meat is fed up
automatically. The nut k is in halves jointed together so that by unlocking it the
piston may be readily drawn back for introducing the meat into the cylinder. mis
the frame of the machine.
Figures 6 and 7 represent side and end views of cutter plates formed with series
of parallel ribs or blades b having serrated edges c. The blades b of the one plate
are opposite the spaces between those of the other plate, so that by placing the
meat between the two plates and imparting to and fro motion to one of them, the
meat is rapidly minced or triturated.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed I declare that what
I claim is :-
1st A mincing apparatus consisting essentially of one or more plates pierced
with holes having cutting edges whereby the meat or other substance held in
contact with the cutting face of the plate becomes minced by a relative motion
imparted by moving the meat over the surface of the plate or by imparting
reciprocating or rotary motion to the plate or plates or one of them substantially
as specified.
2nd The combination of a pair of plates pierced with holes having cutting edges,
said plates facing one another and being jointed together in such way as to permit
of the meat &c being placed between them and of the one plate being reciprocated
relatively to the other substantially as herein described and illustrated in figure 3
of the drawings.
3rd The combination of a rotary perforated plate, a holder terminating in a
perforated plate, the holes in the two plates having cutting edges and their cutting
faces being in close contact a feed piston and actuating gear for forcing the meat &c
through the holes of the holder for the purpose of presenting it to the cutting
edges of the cutting plate substantially as described and illustrated in figures 4
and 5 of the drawings.
4th A mincer constructed of a pair of plates having parallel saw toothed ribs
or blades combined for operation "substantially as described and illustrated in
figures 6 and 7 of the drawings.
Dated this 97th day of November 1884