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Патент USA US3099047

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July 30, 1963
3,099,037
F. H. BLAKE ET AL
MOCK CHICKEN LEG MACHINE
Filed July 10, 1961
11 Sheets-Sheet 1
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FREDERICK M.
THORBURN
FREDERICK H. BLAKE
INVENTOR.
BY
36
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ATTORNEY
July 30, 1963
F. H. BLAKE EI'AI.
3,099,037
MOCK CHICKEN LEG MACHINE
Filed July 10, 1961
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July 30, 1963
F. H. BLAKE ETAL
3,099,037
MOCK CHICKEN LEG MACHINE
Filed July 10, 1961
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FREDERICK M. THORBURN
FREDERICK H. BLAKE E
INVENTOR.
‘ATTORNEY
July 30, 1963
F. H. BLAKE ETAL
3,099,03 7
MOCK CHICKEN LEG MACHINE
Filed July 10, 1961
ll Sheets-Sheet 4
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FREDERICK M.THORBURN
FREDERICK H. BLAKE
INVENTOR.
ATTORNEY
July 30, 1963
F. H. BLAKE ET AL
3,099,03 7
MOCK CHICKEN LEG MACHINE
Filed July 10', 1961
ll Sheets-Sheet 5
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FREDERICK M. T‘HORBURN
FREDERICK H; BLAKE
INVENTOR.
BY
ATTORNEY
July 30, 1963
F. H. BLAKE ETAL
3,099,037
MOCK CHICKEN LEG MACHINE
Filed July 10, 1961
ll Sheets-Sheet 6
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BRAKE
FREDERICK M. THORBURN
FREDERICK H. BLAKE
INVENTOR.
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ATTORNEY
July 30, 1963
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F. H. BLAKE ETAL
3,099,037
MOCK CHICKEN LEG MACHINE
Filed July 10, 1961
ll Sheets-Sheet 7
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FREDERICK M. THORBURN
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ATTORNEY
July 30, 1963
F. H. B-LAKE ETAL
3,099,037
MOCK CHICKEN LEG MACHINE
Filed July 10, 1961
11 Sheets-Sheet s
FREDERICK M. THORBURN
FREDERICK H. BLAKE
INVENTOR.
ATTORNEY
July 30, 1963
F. H. BLAKE ET AL
3,099,037
MOCK CHICKEN LEG MACHINE
Filed July 10, 1961
11 Sheets-Sheet 9
N760
~76
FREDERICK M. THORBURN
FREDERICK H. BLAKE
INVENTOR.
ATTORNEY
July 30, 1963
3,099,037
F. H. BLAKE ET AL
MOCK CHICKEN LEG MACHINE
11 Sheets-Sheet 1O
Filed July 10, 1961
SUPPLY
IIO V A0
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FlG____|8
FREDERICK M. THORBURN
FREDERICK H. BLAKE
INVENTOR.
ATTORNEY
JuIy 30, 1963
3,099,037
F. H. BLAKE ET A].
MOCK CHICKEN LEG MACHINE
Filed July 10, 1961
11 Sheets-Sheet 11
START
6'
STATION TRANSFER RELAY UNLATCHES FOR CYCLE
<— CAM MICRO No.2 CLOSES
GENEVA GEAR
-L
MOVES
CONVEYOR TO
NEXT STATION
STATION TRANS.
I/4 SECOND
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CAM MICRO NO.| CLOSES
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‘ OUT
OOMPLETE
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<—sT|cK LIFT
NEW STICK DRIVES“
COMPLETED LEG UNLOADS
KNIFE OPENS CAVITY
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MOLD
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TIME
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TIME D'ELAY RELAY OPENS
KNIFE CLOSES —->
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STICK LIFT DROPS %
LO
SECONDS
STATION TRANSFER
RELAY UNLATCHES
FOR NEXT CYCLE
FREDERICK M. THORBURN
FREDERICK H. BLAKE
INVENTOR.
FlG__ __ l9
ATTORNEY
htates
3,999,637
atent
Patented July 30, 1963
l
2
3,099,937
A further object of this invention is to provide a two
piece mold for the reception of meat products which will
‘form them into a desirable shape around and secured
MUCH CHICKEN LEG MACIMQE
Frederick H. Blake, Believne, and Frederick M. Thor-burn,
Redmond, ‘Wash, assignors to Snnnee Brand Meat
Company, Inc, Seattle, Wash, a corporation of Wash
ington
Filed Early 10, 1961, Ser. No. 122,816
8 Ctaims. (Cl. 17-1)
to a meat skewer.
A further object of this invention is to provide inter
mittent drive means which will move the chain belt
through the machine at a relatively high average speed
but which will slow the belt down to a stop and start it
‘again, both operations with a very gradual movement
This present invention relates to a machine of the type
so as not to dislodge ‘any of the meat products previously
used for preparing ground meats and meat admixtures
formed upon the skewers which are being carried through
in speci?c shapes or forms and applying them to a wooden
the machine to the delivery point.
stick for easy eating, particularly when they are hot.
A further object of this invention is to provide a me
More speci?cally this invention relates to a machine
chanical means for molding individual servings in some
which accepts ground meats under pressure and meas 15 acceptable form as in the shape of a mock ‘chicken leg
ures it into convenient serving portions. The meat is then
and to so handle these servings that they will be uniform
formed into some particular and acceptable shape. Dur
in texture and density so that they can be so uniformly
ing the forming of the meat into its predetermined shape,
handled in cooking operations that they will give a uni
form end product.
as a chicken leg for instance, the meat is formed around
a stationary stick and thereby forms a good union with 20
‘Other objects, advantages and capabilities will be ap
the stick without any danger of the stick creating internal
parent ‘from the description and disclosure in the draw~
stresses that might cause the compacted meat to split dur
ings or may be ‘comprehended or are inherent in the
ing a subsequent cooking operation.
device.
In the drawings:
It is well known that a large amount of our meat
products are served as snack foods, normally without 25
FIGURE ‘1 is a side elevation of one exemplary em
the bene?t of plate or formal table setting. Eating of
bodiment of this invention and showing the same as in
this kind occurs a great deal in homes where there are
operation with the meat holding sticks in their proper
a number of children, at picnics and at recreational re
positions but with no meat applied thereto.
sorts as well as in certain types of eating establishments
FIGURE 2 is an end elevation of the machine of
where the diner accepts his food on a paper plate or in 30 FIGURE 1 taken from the motor drive end.
a basket and takes it to his car or other convenient place
FIGURE 3 is a top plan view of the machine of
removed from the source of the food. This form of
FIGURE 1.
eating has made it desirable to provide mechanical equip
FIGURE 4 is a fragmentary cross-sectional view, on
ment for the formation or molding of such meat prod
an increased ‘scale, taken along the line 4—4 of FIG
ucts prior to their cooking and this present invention is 35 URE 2.
created to supply this market.
FIGURE 5 is a fragmentary view, on an enlarged scale,
In the past a great deal of this type of food, particu
larly where the meat is mounted on a stick, has been
laboriously hand formed and hand mounted on the stick
which was a very slow operation and did not yield a uni
form product that could be depended upon to function
taken along the line 5—5 of FIGURE 2.
FIGURE 6 is a vertical cross-sectional view on an in
creased scale taken along the 1line 6—-6 of FIGURE 3,
and ‘showing the stick feeding means and hopper therefor.
FIGURE 7 is a top plan view of the stick handling
the same each time a new batch was being cooked. Such
hand labor on small pieces of food added a great deal to
its ‘cost. In this present machine two ounce meat serv
means shown in FIGURE 6.
FIGURE '8 is a top plan View similar to FIGURE 7
applied to a stick in a uniform manner at the rate of
FIGURE 9 is a bracket view, on an increased scale,
showing the stick carrying means in cross section and
but illustrating an advanced position in the operational
ings for example can be formed in different shapes and 45 ‘cycle.
approximately one per second.
Such a machine, of
necessity, requires a synchronized sequential operation
the ejector element employed in coaction therewith.
‘and certain of the steps require a momentary stoppage of 50
FIGURE 10 is a partial cross-sectional view in ele
‘the ?ow of materials through the machine. This is par
vation of a portion of this machine with certain parts
ticularly true of the step where the meat products are
shown in section as taken along the line 10—10 of
formed upon a wooden skewer or stick. It follows that
if high speed of operation is to be maintained a number
FIGURE 3.
FIGURE 11 is a longitudinal vertical sectional view
of steps must be sequentially arranged so as to spread 55 taken along the line 11-41 of FIGURE 10, the same
the activity over a considerable length of a moving chain
being shown on the increased scale.
belt so that the completed number of unit-s will be up to
FIGURE 12 is a fragmentary sectional view in eleva
the capacity required. This present machine is believed
tion showing a face view of one half of the compressing
to meet these exacting requirements.
A principal object of this present invention therefore
is to provide a method and means for forming individual
meat servings which are stick mounted for subsequent
cooking and use.
mold and certain of the operational elements therewith
taken along the line 12-12 of FIGURE 10.
FIGURE 13 is a fragmentary view showing certain of
the elements of FIGURE 10 in sectional view, taken along
the line 13-—13 of FIGURE 10 and on the same scale,
with the mold closed and showing the power means for
A further object of this invention is to provide an inter
mittently driven chain ‘belt which will provide the means 65 operating the meat metering means.
for transporting a skewer or mounting stick through the
FIGURE 14 is a fragmentary cross-sectional view
machine and stopping the same for a succession of op
taken along the line Iii-14- of FIGURE 3 and illustrat
erations.
ing one type of meat metering or measuring means and
A further object of this invention is to provide means
the actuating means therefor.
whereby an accurately measured amount of ground meat 70
FIGURE 15 is a horizontal sectional ‘view taken along
and admixtures thereto vcan be measured at a high cyclic
the line \15--l5 of FIGURE 14 showing the cut-off knife.
rate and discharged into a mold.
FIGURE 16 is a partial sectional view in elevation and
3,099,037
3
.
on an enlarged scale, taken along the line 16—16 of FIG
URE 3 and illustrating the leg ejection means.
FIGURE 17 is a fragmentary elevation in section and
on an increased scale with certain parts shown in section
and illustrating a typical power timing means and the cam
actuating means therefor, taken along the line 17—1I7 of
FIGURE 2.
FIGURE 18 is a diagrammatic view showing the elec
tric wiring diagram and with certain timing elements em
4
devices, not illustrated, but which are well known and
which themselves function in time intervals measured
in milli-seconds.
Operatively positioned below the metering means 24
are the meat compressing and forming mold members 44)
and 41. Mold members 49‘ and 41 are brought together
to complete a mold by the ?uid cylinders 42. It is fur
ther necessary that these mold members be mantained at
a temperature which will insure that the meat mixture
ployed therewith being shown in diagrammatic exploded
being compressed into a mock chicken leg will free itself
form.
FIGURE 19 is a time and sequence diagram of one
from each half as the mold members are withdrawn to
cycle of operation of this machine which graphically
illustrates and states in words the various steps and shows
the time required for each.
‘Referring to the drawings, throughout which like ref
the position as indicated in FIGURE 14, leaving the meat
compressed and supported by a wooden stick or skewer
44 which serves as a handle in carrying and eating the
meat. Inasmuch as the stick 44 travels in a straight line
it is necessary that both the mold members be withdrawn
erence characters indicate like parts, the numeral 10 gen
from the path of the compacted meat. One convenient
erally designates the structural steel framework of this
means for maintaining an optimum temperature in molds
machine. The height of this framework is preferably
4-9 and at is to form these with mold heating chambers as
such that the operational parts are largely at a level for 20 45 and to circulate ?uid of the desired temperature
convenient observation, particularly the meat forming
through the two sets of tubes 46 and ‘47 which move with
dies and the translation chain. A plurality of vertical
mold elements 4t} and 41 and are guided and positioned
frame members are provided with longitudinal connect
by blocks 48.
ing frame members, one on each side of the machine, and
It naturally follows that the stick 44 must be motion
various other connecting frame members as required for
less when the meat is compressed around it. It is then
the proper support of the various elements of the equip
desirable that the molds be retracted quickly which calls
ment. Disposed upon a secondary ‘framework 15 is the
for sensing means. A convenient sensing means is a plu
meat metering device shown generally at 16, together
rality of limit switches as 52 and 53, which will de?nitely
with the power cylinder 18 for operating the metering
indicate to panel 36 when the two halves 4i} and 41 of the
device. This equipment is particularly well illustrated in
mold are retracted, thus making it possible for the meat
FIGURES 10, 13 and 14 and generally in FIGURES 1
laden stick to be moved on sequentially in a step-by—step
and 3.
movement along its course.
Ground meat in a semi-?uid state is placed in the pres
‘One convenient means of starting the conveyor, which
sure cylinder 26, to which air pressure is then applied
carries stick 44 in a manner to start it without jar and
from a suitable source which may be supplied from an
Xternal source or may be separately power driven and
attached to the machine. The same is not illustrated.
which will accelerate it quickly is the Geneva wheel 55
operatively driven by pin 79 secured to crank 79A which
is ?xedly secured to the driving shaft 77. The Geneva
The ground meat is forced by air pressure through meat
wheel 55 is mounted upon shaft 56 which carries two
transport hose 21 into the upper housing 22. From here
laterally spaced drive sprockets 57 which, in turn, drive
it is admitted through suitable ports to the rotary meter
link chains 59 in an intermittent manner to transmit in
ing means 24. The rotary movement is effected by the
termittent motion to shaft 56a through laterally spaced
rack gear 25- operated backwards and forwards by ?uid
sprockets ‘57a, all as is best shown in FIG. 3. FIGURE
cylinder 18 and 'the rack engaging spur gear 26 secured
18 gives a diagrammatic arrangement of the essential elec
to and revolving the metering element 24-. A suitable
tric circuit involved and also illustrates diagrammatically
metering means, for which no speci?c claim is made, is
the various mechanisms and the control and operating
shown in FIGURE 14 in which the metering valve 24 is
means therefor, providing the step-by-step intermittent
rotated 90 degrees alternately in each direction by rack
cycling of this equipment.
25 and gear 26 to align ?rst the diametrically disposed
As a separate stick 44 must be provided for each
ports 17, only one of two is shown, and the ports 19 and
individual mock chicken leg, means is provided to sequen
19a. The semi-fluid meat under pressure is forced 50 tially feed a single stick in the position where it can be
through each set ‘of ports in turn to ?ll the receiver 23‘.
seated in the stick holder 64 on one of the spaced carrier
As shown in FIGURE 14, the ?ow is arrested by the
bars ‘65. The sequence of operations involving the stick
knife valve 27 having the valve opening 28 which sequen
44- are illustrated in FIGURES 6, 7, 8 and 16. As a large
tially is momentarily opened by ?uid cylinders 36 which
number of sticks are employed, a suitable hopper is ?rst
operate together. Adjustment for the weight or volume
provided as indicated at 58. Hopper 58 is provided with
of the meat charge is e?ected by changing the distance
a shaking means 60 which is further illustrated in FIG
between the meat measuring pistons 32 and 33. The
URE 4-. In following the stick handling sequence, atten
pistons alternately abut the central wall 34 of valve por
tion is ?rst directed to FIGURE 6 in which a groove is
tion 24- and their individual travel distance effects the
provided at 62 to engage the stick 44 which, through
volume of the metered meat.
60 vibration hopper 58 as illustrated in FIGURE 6 and of
In the operation of this present machine it is necessary
hopper 58 is supplied with given proper orientation and
to have fast operation of the various parts in order that
alignment. As stick 44 seats in groove 62 of the recipro
the output of the machine will be adequate to make it
cating stick carrier ‘63 this carrier moves the individual
economical for commercial use. It is therefore necessary
stick to the position in FIGURE 7 where the stick is in
that various power operating means be provided, each 65 alignment with stick holder 64, illustrated in FIGURE 9
of which is sequentially timed to perform its operation at
and also shown in the various views. Holder 64 is prefer
a certain instant. Referring to FIGURE 1, a control
ably made of plastic material and provided with a plural
panel is provided within housing 36 which provides
ity of slits so it will resiliently grip sticks 44. A hous
for the conversion of sensing intelligence into operational
ing 61 encloses the holder member and a lock sleeve 71
movement control. This control unit is preferably re~ 70 completes the unit and provides means for securing the
motely positioned from the machine and the various se
clutch assembly on carrier bars. Holders 64 are carried
quential operations are sensed through suitable cables 38
on spaced carrier bars 65, each end of which is secured
and the necessary operational intelligence sent to the
to the parallel link chains 59. These chains are sequen
various positions on the machine so that the sequential
tially controlled by suitable means to be generally de
operations will be keyed one to the other with keying 75 scribed later. The stick seating power means 67 seats
3,099,037
,‘u
5
'33
the stick in holder 64 when the various parts are in
slot when the cam micro switch '76 makes contact, the
clutch 75 remains mechanically locked-in until it has
proper relationship. This ?nal seating is achieved by the
stick 44 in the compression cavity provided by mold
.?nished its complete revolution back to its starting point.
‘It waits at the starting point again until the latch on the
station trasfer relay is again energized. This allows the
members 40 and 41 and conveyed to the end of the con
veyor provided by chains 59, the means shown in FIG
meat molding operation to commence just as soon as the
main conveyor 5? is stopped on its new station, but moves
forward movement of plunger 68, as will be noted in
FIGURE 8. When the meat has been formed around
the Geneva gear driving pawl 79 to a point where it
UREl6 is employed wherein the stick ejector element 69
starts the conveyor in motion as quickly as possible after
is moved by the power means 70 to eject stick 44 which
will now normally be covered with the compressed meat. 10 station transfer relay latch is released. This helps to
reduce cycle time to a minimum. Cam micro switch 76
The ?nished mock chicken leg will then be deposited
opens just before clutch 75 releases and the driving pawl
upon the conveyor belt 72 which will carry it to the
and driving shaft 77A, on which the cams 76c and 780
packing area.
are mounted, stops. This is so that the mold relay and
Sequence of Operations
station transfer relay are under control of the time delay
The main conveyor 59 on which the mock chicken legs
relay and latch respectively rather than the cam micro
are formed is moved from station to station by the Gen
switch 76. It should also be noted that the latch release
eva gear mechanism shown in FIGURES 4 and 5. The
on the meat metering relay 86 is locked out by the N.C.
drive shaft 56 of this Geneva gear 55 is connected by
contacts of the mold relay 52 being opened. This pre
chain 82 of a variable speed gearing of the driving motor
vents the latch from being operated momentarily or try;
74 through an air controlled single revolution clutch 75 20 ing to open when molding head micro limit switch 52
of conventional design, the structural details of which
normally open (designated as N.C. in the drawings)
are not illustrated in full. On a reduced diameter exten
contacts are being held closed by the molding heads
sion 77A of the Geneva gear pawl driving shaft 77 are
being all the way open as shown in FIGURE 10.
located two cam-operated micro switches. The micro
As the mold starts to close, the circuit to the latch
switch 76 initiates the function of the mold cycling. Cam 25 opens and the stick lift 7 3 operates from the N.C. contacts
micro switch 78 operates the stick slide 63 which picks up
of this micro switch ‘closing. This stick lift causes the
a new stick 44 from the hopper 58 and positions it ready
chicken leg to be ‘formed about IA; inch higher than the
for driving into one of the main conveyor stick holder
normal position of the conveyor by shoe 66, shown in
units 64.
FIGURE 12, forcing conveyor chains vertically upwlard
In describing the operation of the electrical control 30 1/s inch, as indicated in FIGURE 11 at 77L. Then, when
system, it is assumed that the initial point of operation
stick lift cylinder 73 is ‘dc-energized, the formed chicken
is where the machine normally stops when it is shut down
leg will drop 1A3 inch clear of the upper part of the mold,
in proper sequence. This is when the “Latch Circuit” of
it possible to move it Without scraping the inside
the station transfer relay is opened, preventing the relay 35 making
top of the mold cavity. As the mold further closes, it
from unlatching. The molds will be open and the
closes ‘another micro switch 53, a normally open circuit,
Geneva gear driving pawl 79 will be just ready to enter
the next Geneva gear slot.
This starting point is the drop-out point of the single
revolution clutch 75 when it is in the de-energized state.
just as the two mold heads 45 and 41 come together.
This circuit closure performs the following functions:
(1) It energizes the stem micro switch which is just
under the forming mold heads and disposed so that the
pin that protrudes out of each stick holder bottom, when
transfer relay latch circuit, indicated in FIGURE 18 at
a stick is properly in place, closes the ND. contacts. This
85, the single revolution clutch 75 is energized by the
stem micro switch 55, shown in FIGURE 10, furnishes
normally closed contacts of the station transfer relay 85.
power via N.C. contacts of the time delay relay to the
Also, the stick gate 80 which holds the stick in place for
driving is pulled back out of the way by cylinder 81 so 45 knife 27 through the knife valve opening 28, then opens
to admit a new charge of meat into the mold cavity and
that the conveyor can move the stick 44 and holder 64
it also energizes the meat metering relay and meat meter
to the next station. The sequence of operation will be
ing cylinder 24 in one direction to push 2 ounces, the
best understood by a study of FIGURES 6, 7 and 8. The
assumed normal weight or" meat, into the mold. If no
two guide rods 63a are used to position stick slide 63
stick is in position, switch 50 will not be opened and
during and at the end of its movements.
At this point, if cycling is initiated by closing the station
The single revolution clutch 75 imparts driving motion
?lling will be by-passed. This prevents putting meat into
the mold when there is no stick to hold it.
to the driving pawl 79 which moves the Geneva gear to
(2) It operates the stick unloading cylinder '75 which
the next station. As the driving pawl leaves the slot in
pushes out the chicken leg onto the take-out conveyor 72
the Geneva gear, cam micro switch 76 closes which causes
two things to happen: (1) is closes the mold relay and 55 by pressing on the protruding pin ‘sticking out of the
stick holder.
(2) it closes the station transfer relay. The various re
(3) It operates the stick driving cylinder 67 which
lays are housed in cabinet 36 with certain control valves
which are not shown but are indicated in FIGURE 18.
drives a new stick 44 into an empty stick holder 64 at the
‘The ?rst action of the mold relay is to energize the mold
cylinder valves 42 which closes molds 4t?- and 4-1 which
head end of the machine. It should be noted that the
opening of cam micro switch 78 has tie-energized the stick
slide 63 at a suf?cient interval before this time to bring the
are the forming mold or meat forming cavity. the‘ sec
new stick 44 into loading position before stick driving
ond is to lock itself in, through its own points and the
cylinder 67 ‘acts.
normally closed points on the time relay or mold ?lling
(4) It energizes the coil of time ‘delay relay 76a (mold
time relay which are indicated in the drawings as N.C.
The second action of course makes the mold relay lock-in 65 ?lling time) causing it to start timing approximately the
1/2 second interval required for ?lling the mold with meat.
dependent upon the time delay relay, and cam micro
As the mold ?lls with meat the time delay relay operates
switch 76 can be opened without affecting the mold relay.
at its timed interval to open both of its normally closed
The station transfer or main coil in circuit 85 is
mechanically latched down and the N.C. points which 70 contacts. This opens the hold-in circuit on the mold
relay 7 6 causing it to open which starts the opening of the
control the pawl of clutch 75 and stick gate 80 will be
mold members 40 and M. It ‘also opens up the circuit
locked open until such time as the latch is released on
the station transfer relay.
to the knife cylinders 30 which closes to cut off meat in
Although the pawl of clutch 75 is de-energized as the
the ?lling chamber or receiver 23 and prevents dribbling
Geneva gear driving pawl 79 is just emerging from the 75 of compressed meat into the open mold. It also de
7
8
energizes the meat metering relay so as to set it up for the
mounted servings from said carrier bars and power switch‘
ing means for insuring sequential operation of the said
coacting elements of said machine.
2. A mock chicken leg machine, comprising: a frame
next cycle which is in the opposite direction.
As the mold ?rst parts, it opens the ND. micro switch
points which retracts the stick driving cylinder 67 ready
for the next cycle ‘and also ‘dc-energizes the stem micro
switch.
work for supporting a plurality of transverse shafts; trans
versely spaced chain sprockets disposed in coacting pairs
As the mold is almost open it opens the NC. contacts
on said shafts; two spaced apart parallel disposed chains
of the other molding head micro switch, dropping the
operatively driven and supported by said sprockets and
stick lift.
having the upper run of said chain-s at an easily observ
This lowers the conveyor chains 1/8 inch by
gravity, clearing the chicken leg from the top of the 10 able level; an intermittent driving means for said chains
arranged to stop said chains in sequence with other ele
mold.
ments of said machine during the forming of the meat
When the mold is completely open it closes the ND.
serving; a plurality of longitudinally spaced carrier bars
contacts of this same micro switch which completes the
secured [at opposite ends to each of said chains; a stick
circuit to the latch on the station transfer relay via the
NC. points on the mold relay. This causes the station 15 clutch secured at substantially the midpoint of each of said
bars; a pair of coacting meat compressing mold members
transfer relay 85 to open and complete the circuit to the
single revolution clutch '75 and the stick holding gate 80 so
with their cavities on the same level as the upper end of
sticks carried by said bars; means for supplying ground’
meat under pressure; a metering means for measuring a
tection is incorporated in this latch circuit to prevent the
latch from releasing ‘and initiating the next cycle, if any 20 serving amount of said meat vand passing it downwardly
in synchronization with the movement of said mold mem
type of misoperation occurs ‘or if any portion of the
» ers; ?uid operated means for sequentially closing said
cycle is not completed. Conveniently placed on the ma
mold members for compressing a metered amount of meat
chine is a cycle stop switch S8 in the latch circuit. Open
on a stick handle; ‘a conveyor belt for carrying the ?nished
ing this switch stops the cycling by preventing any move
meat servings away from the machine; stick ejector means
ment of the single revolution clutch 75.
for ejecting the ?nished servings from said carrier bars and
The cam micro switch ‘78 is set to be closed just after
that the next cycle can be initiated. All malfunction pro
chain conveyor 55} starts to move stick 4.4 up to» the next
power switching means for insuring sequential operation
station and is in contact approximately 180 degrees of the
revolution of the Geneva wheel. This vallows the slide or
of the said coacting elements of this machine.
3. The subject matter of claim 2 in which heating cham
bers are provided in both of said coacting mold members
and means ‘for circulating a. heated ?uid through said
chambers during their periods of use.
4. The subject matter of claim 3 in which lifting means
are provided for lifting the stick, to which meat is to be
attached, before the meat is secured to the stick.
5. The combination according to claim 2 wherein, limit
reciprocating stick carrier 63 to return to the driving >
position with a new stick just before driving cylinder 67
starts to operate.
The circuits to the Geneva gear driving motor, the hot
water heater 83, the pump 84, for heating molding heads,
and the take-out ?nished leg conveyor '72 are connected
to a power source at all times through proper protection
circuits. All designs of the machine and control are
based on approximately ia one second cycle. This is ad
justable to some extent by chain conveyor 59 cycling speed
switches are secured to various parts of said machine to
give sensings when an operation is completed and to ener
gize other operating circuits to insure sequential function
ing of other coacting parts.
6. The combination according to claim 2 further hav
ing a reciprocating knife provided with an opening through
which the metered meat passes during the charging of said
coacting mold members.
and by changing the amount of time delay in the mold
?lling time delay relay. Major changes ‘can be made by
the variable speed drive and driving motor 74;. How
ever, experience has borne out that a one second cycle is
both possible and practical.
7. The combination according to claim 2 wherein :a stick
It is believed that it will be clearly apparent from the
above description and the disclosure in the drawings that 45 orienting and feeding means is provided with a storage
hopper having a vibrating bottom with ‘a stick discharge
the invention comprehends a novel construction of mock
opening; a reciprocating stick carrier having a groove for
chicken leg machine.
receiving a single stick at a time ‘and moving it into align
Having thus described our invention, we claim:
ment with said stick clutch and power operated means for
1. A mock chicken leg machine, comprising: aframe- ‘
work for supporting a plurality of transverse shafts; trans- .
versely spaced chain sprockets disposed in coacting pairs
on said shafts; two spaced apart parallel chains operatively
driven and supported by said sprockets and having the
upper run of said chains at an easily observable level; an
moving said stick into said clutch.
-
8. A machine for compressing a meat vserving on the
end of a stick handle, comprising: a framework for sup
porting a plurality of transverse shafts; a belt having sup
porting and driving means secured to said shafts; an inter
55 mittent driving means for said belt means arranged to stop
intermittent driving means for said chains ‘arranged to stop
said belt in synchronization with other elements of said
said chains in synchronization with other elements of said
machine during the compressing of each meat serving; a
machine; a plurality of longitudinally spaced carrier bars
plurality of stick clutches secured at spaced intervals along
secured at opposite ends to each or" said chains; a stick
said belt means; a pair of coacting meat compressing
clutch secured at substantially the midpoint of each of
said bars for gripping the lower ends of said sticks and 60 cavity mold members with their cavities disposed to inter
mittently enclose the meat receiving end of sticks posi
carrying them in a vertical posit-ion; a pair of coacting
tioned by said stick clutches; means for supplying ground
meat compressing cavity mold members with their cavities
on the same level [as the upper end of sticks carried by
meat under pressure; a metering means for measuring a
said bars; means for supplying ground meat and admix
serving amount of said meat and passing it downwardly
tures under pressure; a metering means for measuring a 65 in synchronization with the movement of said mold mem
serving amount of said meat and pas-sing it downwardly
in synchronization with the movement of said mold
members; a transversely movable knife disposed between
said metering means and said mold members to cut o? a
predetermined amount of meat; fluid operated means for 70
operatively moving said knife; ?uid operated means for
sequentially closing said mold members for compressing
bers; means for operatively closing said mold members for
compressing a metered amount of meat on a stick handle
and means for carrying the ?nished meat servings away
from the machine.
References Cited in the ?le of this patent
UNITED STATES PATENTS
a metered amount of meat on 1a stick handle; a conveyor
belt for carrying the ?nished meat servings away from the
machine; stick ejector means for ejecting the ?nished stick 75
2,303,566
2,609,564
Majestic ______________ __ Dec. 1, 1942
Grimm ______________ __ Sept. 9, 1952.
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