US1332135A - Meat-grinder - Google Patents

Meat-grinder Download PDF

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Publication number
US1332135A
US1332135A US273914A US27391419A US1332135A US 1332135 A US1332135 A US 1332135A US 273914 A US273914 A US 273914A US 27391419 A US27391419 A US 27391419A US 1332135 A US1332135 A US 1332135A
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bearing
screw
yoke
cutter
chamber
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US273914A
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Miller Julius
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30Mincing machines with perforated discs and feeding worms
    • B02C18/301Mincing machines with perforated discs and feeding worms with horizontal axis
    • B02C18/302Mincing machines with perforated discs and feeding worms with horizontal axis with a knife-perforated disc unit

Definitions

  • My-object is to make a meat'grinder and my invention consists ofthenovel features herein shown, described and claimed.
  • Figure 1 is a side. elevation of a meat grinder embodying the principles of my invention, parts being broken away and shown in section, and the view being taken looking in the direction indicated by the arrow 1 in Fig. 2.
  • Fig. 2 is a horizontal sectional detail on the line 2 2 in Fig. 1.
  • Fig. 3 is a vertical cross section on the line 33 of Figs. 1 and 2.
  • Fig. 4 is a fragmentary detail of the handle.
  • a feed hopper 1 leads downwardly to a compression screw chamber 2 and a'compression screw 3 is mounted inthe compression screw chamber 2.
  • the chamber 2 is substantially circular in cross section and the casting forming the chamber 2' has a back end 4 extending backwardly from the hopper'l. and a front end 5 extending forwardly from the hopper 1.
  • An internal screw thread 6 is formedin the backend 4 and a bearing plate 7 is adjustably mounted in this screw thread.
  • a housing 8 extends backwardlv from the back end 4, there being a shoulder 9 at the junction between the housing 8 and the back end 4.
  • the housing 8 is externally finished to fit in a supporting socket 10.
  • the socket may be formed inte ral with a bracket and mounted in any suitable manner not shown.
  • An operating shaft 12 extends through the housing 8 and is mounted in a thrust bearing 13'and in a rotary bearing14, said bearings being mounted in a. chamber'15 of the housing 8.
  • a web'16 closes the back end of the chamber 15- and the shaft 12 extends through this web and has a squared end 17 to receive the crank.
  • a front end 18 of the shaft 12 is reduced in size and the locating plate 7 fits upon this reduced porclosely upon 'the tion against a shoulder 19 so that by manipulating the bearing plate 7 the shaft 12 may be ad usted and tightened to run smoothly in the thrust bearing tion 18 of the shaft 12 is round so as torotate in the bearing plate 7 and then an extreme forward end 20 of the shaft 12 is squared to fit non-rotably in a socket 21 upon the rear end of the compression screw 3 so that when a crank is applied to the end 17 of the shaft 12 and operated the compression screw 3 will be operated.
  • the bearing plate 7 fitting closely upon the reduced portion of the shaft 12 against the shoulder 19 will effectually hold oil and grease in the chamber 15 for lubricating 13 and 14 and prevent the oil, and grease from passing into chamber 2 and mixing with the meat.
  • the other parts are removed from the front end 5 so that the chamber 2 is cleara span ner maybe inserted to manipulate the bearing plate 7, there being holes 22 and 23 in the bearing plate to receive the teeth spanner.
  • the casing is enlarged around the extreme front end of the chamber. 2 and finished to formtheperipheral bearing face 24.
  • a pintle extends from the forward end of the compression screw 3, said pintle having a squared portion 25 extending forward from a shoulder 26 and the rotary cutter 27 is mounted upon this squared portion 25; and the pintle having 'a round portion 28 extending forwardly from the squared portion 25.
  • a perforated cutter plate 29 fit upon the round pintle 28 so that the pintle 28 may turn in the plate 29.
  • An inner face '30 of the perforated plate 29 fits closely in this finished portion 30.
  • a bearing ring 31 fits face 24; a web 32 extends inwardly from the forward edge of the bearing ring 31 and a pressure ring 33 extends backwardlv from the inner edge of the web 32 and fits in the finished portion 30 against the perforated cutter plate 29.
  • Ears 34 and 35 extend inwardlv from the pressure in the ears 34 and 35 and the pins 36 and 37 extend into notches formed from the periphery of the perforated cutting plate 29 so as to hold the cutting plate from rotating by the action of thepintle 28 and the rotary 110 cutter 27.
  • pins 36 and 37 are fixed the sides of the forward end 5 of the casting, said bosses being in a horizontal plane diametrically opposite each other.
  • Bearing plates 40 and 41 are secured to the outer face of the bosses 38 and 39 by pivots 42 and 43 so that the plates 40' and 41 may swin up and down.
  • Notches 44 and 45 are formed from the upper edges of the plates 40 and 41 and pins 46 and 47 are fixed in the bosses 38 and 39 to engage in the notches 44 and 45 to hold the rear ends of the plates 40 and 41 from swinging downwardly beyond a horizontal position and so that the rear ends of the plates may swing freely upwardly to vertical positions.
  • Hinge members 48 and 49 are formed upon the rear ends of the plates 40 and 41.
  • a yoke 50 has side bars 51 and 52 and hinge members are formed in the forward ends of the side bars 51 and 52 to mesh with the hinge members 48 and-49, and removable hinge pins 53 and 54 connect the hinge members of the yoke 50v to the hinge members of the plates 40 and 41.
  • The. yoke 50 has a cross bar 55 and a bearing 56 at the center of the cross bar; a compression screw 57 has a reduced rear end 58 rotatably mounted in the bearing 56 and held against endwise movement.
  • a crank 59 is fixed upon the rear end of the screw 57 behind the bearing 56, the screw threaded portion of the screw being in front of the bearing 56.
  • a second yoke 60 has a central bearing 61 screw seated upon the screw 57. Arms 62 and 62 extend from the yoke 60 and slidingly engage the side bars 51 and 52 so as to hold the yoke 60 from rotating with vor upon the screw 57 so that when the crank 59 is operated the yoke 60 will slide to and from the cross bar 55.
  • a ring 63 is rigid with the yoke 60 and engages the front face of the web 32 and the pressure ring 33 so that by manipulating the crank'59'the pressure of t e perforated cutting pla e 29 against the rotary cutter 27 may be adjusted to a nicety.
  • a hinge pin 53 or 54 may be removed and. the yoke 50 swung laterally to disengage the pressure ring 63 from the cap, and then the parts carried by the yoke 50 may be swung upwardly on the pivot 42 or 43, thereb providing ready access to the cap formed y the parts 31, 32 and .33 and this cap may be readily removed thereby removing or freeing the perforated cutter plate 29.
  • the perforated cutter plate 29 will .be placed against the pressure ring 33 with the pins 36 and 37 in the notches in the cutter plate,v then the tip of the pintle 28 will be guided into. the bearing in the cutter plate and the cap will readily slide upon the finished face.
  • the lost 6lk-mnti9n may be readily taken .up'by manipuphav'ing a compression holding the cap in place to hold and adjust lating the crank 59.
  • the compression screw 3 may be readily removed to provide access to the bearing plate 7 for adjusting the bearing plate.
  • a set screw 64 is tapped through the bearing ring and engages in a slot 65 formed longitudinally in the bearing face 24 so as to,
  • a set screw 66 is tapped of'the rear end 4 to engage therbearing plate? and hold the bearing plate in its adjusted position so that the bearing plate through the wall will not rotate by the rotation of the opcrating shaft.
  • a meat grinderacasting forming a compression screw chamber the forward end of the casting being externally and internallyfinished; a compression screw inthe compression screw chamber; a rotary cutter carried by the compression screw; a perforated cutter fitting in the chamber against the rotary cutter; apressure ring fitting means for holding the perforated cutter from rotating; a web extending outwardly from the pressure ring; a bearing ring extending from the outer edge of the web and fitting the peripherv of the cast ng; a yoke attached to the casting; a compression screw the compression screw to the web for pressing the pressure'ring against the perforated cutter.
  • a perforated cutter slid nglv and nonfrotatablv mounted in the front end of the chamber; a can havingan annular channelflone edge of the can fitting against. the perforated. cutter and the other edge fitting outside of the casting; a yoke fitting against the cap; a compression screw for operating the yoke; a second yoke carrying the compression screw; and means for removably hmging the second yoke to the casting.
  • a main casting having a compression screw chamber and a perforated cutter slidingly and non-rotatably mounted in the forward end of the chamber; bearing plates pivotally connected to'the opposite sides of the casting and adapted to swing up and down; hinge members at the forward ends of the'bearing plates; a yoke having members meshing with the v In testimony whereof I have signed my name to this specification.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Description

11. MILLER. MEAT GRINDER.
APPLICATION FILED JAN. 29. I919- Patented Feb. 24, 1920.
8 W mW N N v\ a w JULIUS MILLER, OF'LOS ANGELES, CALIFORNIA.
MEAT-GRINDER.
Specification of Letters Patent.
Patented Feb. 24, 1920.
Application flledJ'anuary 29, 1919. Serial No. 273,914.
To all whom it may concern:
Be it known that I, JULIUS MILLER, a citizen of the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have invented new and useful Improvements in Meat-Grinders, of which the following is a specification.
My-object is to make a meat'grinder and my invention consists ofthenovel features herein shown, described and claimed.
Figure 1 is a side. elevation of a meat grinder embodying the principles of my invention, parts being broken away and shown in section, and the view being taken looking in the direction indicated by the arrow 1 in Fig. 2. p
Fig. 2 is a horizontal sectional detail on the line 2 2 in Fig. 1.
' Fig. 3 is a vertical cross section on the line 33 of Figs. 1 and 2. I
Fig. 4 is a fragmentary detail of the handle.
A feed hopper 1 leads downwardly to a compression screw chamber 2 and a'compression screw 3 is mounted inthe compression screw chamber 2. The chamber 2 is substantially circular in cross section and the casting forming the chamber 2' has a back end 4 extending backwardly from the hopper'l. and a front end 5 extending forwardly from the hopper 1. An internal screw thread 6 is formedin the backend 4 and a bearing plate 7 is adjustably mounted in this screw thread.
A housing 8 extends backwardlv from the back end 4, there being a shoulder 9 at the junction between the housing 8 and the back end 4. The housing 8 is externally finished to fit in a supporting socket 10. there being a set screw 11 tapped through'the wall of the socket 10 with the pointof the set screw engaging in a recess in the housing 8 so as to hold the meat cutter rigidly in the socket.
The socket may be formed inte ral with a bracket and mounted in any suitable manner not shown.
An operating shaft 12 extends through the housing 8 and is mounted in a thrust bearing 13'and in a rotary bearing14, said bearings being mounted in a. chamber'15 of the housing 8. A web'16 closes the back end of the chamber 15- and the shaft 12 extends through this web and has a squared end 17 to receive the crank. A front end 18 of the shaft 12 is reduced in size and the locating plate 7 fits upon this reduced porclosely upon 'the tion against a shoulder 19 so that by manipulating the bearing plate 7 the shaft 12 may be ad usted and tightened to run smoothly in the thrust bearing tion 18 of the shaft 12 is round so as torotate in the bearing plate 7 and then an extreme forward end 20 of the shaft 12 is squared to fit non-rotably in a socket 21 upon the rear end of the compression screw 3 so that when a crank is applied to the end 17 of the shaft 12 and operated the compression screw 3 will be operated.
' The bearing plate 7 fitting closely upon the reduced portion of the shaft 12 against the shoulder 19 will effectually hold oil and grease in the chamber 15 for lubricating 13 and 14 and prevent the oil, and grease from passing into chamber 2 and mixing with the meat. the other parts are removed from the front end 5 so that the chamber 2 is cleara span ner maybe inserted to manipulate the bearing plate 7, there being holes 22 and 23 in the bearing plate to receive the teeth spanner.
The casing is enlarged around the extreme front end of the chamber. 2 and finished to formtheperipheral bearing face 24.
A pintle extends from the forward end of the compression screw 3, said pintle having a squared portion 25 extending forward from a shoulder 26 and the rotary cutter 27 is mounted upon this squared portion 25; and the pintle having 'a round portion 28 extending forwardly from the squared portion 25. A perforated cutter plate 29 fit upon the round pintle 28 so that the pintle 28 may turn in the plate 29. An inner face '30 of the perforated plate 29 fits closely in this finished portion 30. A bearing ring 31 fits face 24; a web 32 extends inwardly from the forward edge of the bearing ring 31 and a pressure ring 33 extends backwardlv from the inner edge of the web 32 and fits in the finished portion 30 against the perforated cutter plate 29. Ears 34 and 35 extend inwardlv from the pressure in the ears 34 and 35 and the pins 36 and 37 extend into notches formed from the periphery of the perforated cutting plate 29 so as to hold the cutting plate from rotating by the action of thepintle 28 and the rotary 110 cutter 27.
B0sses 38 and' 39 extend outwardly from...
13. The reduced por- 60 When the compression screw 3 and 75 of the 80 the casing is finished and 96 ring 33: pins 36 and 37 are fixed the sides of the forward end 5 of the casting, said bosses being in a horizontal plane diametrically opposite each other. Bearing plates 40 and 41 are secured to the outer face of the bosses 38 and 39 by pivots 42 and 43 so that the plates 40' and 41 may swin up and down. Notches 44 and 45 are formed from the upper edges of the plates 40 and 41 and pins 46 and 47 are fixed in the bosses 38 and 39 to engage in the notches 44 and 45 to hold the rear ends of the plates 40 and 41 from swinging downwardly beyond a horizontal position and so that the rear ends of the plates may swing freely upwardly to vertical positions.
Hinge members 48 and 49 are formed upon the rear ends of the plates 40 and 41. A yoke 50 has side bars 51 and 52 and hinge members are formed in the forward ends of the side bars 51 and 52 to mesh with the hinge members 48 and-49, and removable hinge pins 53 and 54 connect the hinge members of the yoke 50v to the hinge members of the plates 40 and 41. The. yoke 50 has a cross bar 55 and a bearing 56 at the center of the cross bar; a compression screw 57 has a reduced rear end 58 rotatably mounted in the bearing 56 and held against endwise movement. A crank 59 is fixed upon the rear end of the screw 57 behind the bearing 56, the screw threaded portion of the screw being in front of the bearing 56. A second yoke 60 has a central bearing 61 screw seated upon the screw 57. Arms 62 and 62 extend from the yoke 60 and slidingly engage the side bars 51 and 52 so as to hold the yoke 60 from rotating with vor upon the screw 57 so that when the crank 59 is operated the yoke 60 will slide to and from the cross bar 55. A ring 63 is rigid with the yoke 60 and engages the front face of the web 32 and the pressure ring 33 so that by manipulating the crank'59'the pressure of t e perforated cutting pla e 29 against the rotary cutter 27 may be adjusted to a nicety.
WVhen the screw 57 is loosened slightly a hinge pin 53 or 54 may be removed and. the yoke 50 swung laterally to disengage the pressure ring 63 from the cap, and then the parts carried by the yoke 50 may be swung upwardly on the pivot 42 or 43, thereb providing ready access to the cap formed y the parts 31, 32 and .33 and this cap may be readily removed thereby removing or freeing the perforated cutter plate 29. In returning the parts to their operative positions the perforated cutter plate 29 will .be placed against the pressure ring 33 with the pins 36 and 37 in the notches in the cutter plate,v then the tip of the pintle 28 will be guided into. the bearing in the cutter plate and the cap will readily slide upon the finished face. 24'. 'i
As the parts wear in operation the lost 6lk-mnti9n may be readily taken .up'by manipuphav'ing a compression holding the cap in place to hold and adjust lating the crank 59. When the yoke 50 has been disconnected and the rotary plate 29 and other parts removed the compression screw 3 may be readily removed to provide access to the bearing plate 7 for adjusting the bearing plate.
A set screw 64 is tapped through the bearing ring and engages in a slot 65 formed longitudinally in the bearing face 24 so as to,
hold' the cap from rotating and at'the same time allow the cap to move longitudinally, and the cap holds the perforated cutter plate 29 from rotating.
A set screw 66 is tapped of'the rear end 4 to engage therbearing plate? and hold the bearing plate in its adjusted position so that the bearing plate through the wall will not rotate by the rotation of the opcrating shaft.
Various changes may be made W-ithout departing from the spirit of my invention; as claimed. 7
- I claim:
1. In a meat grinderacasting forming a compression screw chamber the forward end of the casting being externally and internallyfinished; a compression screw inthe compression screw chamber; a rotary cutter carried by the compression screw; a perforated cutter fitting in the chamber against the rotary cutter; apressure ring fitting means for holding the perforated cutter from rotating; a web extending outwardly from the pressure ring; a bearing ring extending from the outer edge of the web and fitting the peripherv of the cast ng; a yoke attached to the casting; a compression screw the compression screw to the web for pressing the pressure'ring against the perforated cutter. y r
2. In a meat grinder a casting forming a against the perforated cutter and having a mounted in the yoke: and means connecting compression screw chamber. saidcasting be- 1 ins! externally finished around ts forward end to form a bearing face. and internally finished to form a second bearing face; a compression screw in the compress on screw chamber; a rotary cutter carried by a compression screw; a perforated cutter .sli dingly mounted in the internal bearing face against the rotarvIcutte r; means for holding the perforated cutter against rotation; an annular can fitting against the perforated cutter and having a bearing ring sliding-1y fitiJlILQ the external bearing face; and means screw for adiustably the p rforated cutter.
3. In a meat grinder a casting having a compression screw chamber: a perforated cutter slid nglv and nonfrotatablv mounted in the front end of the chamber; a can havingan annular channelflone edge of the can fitting against. the perforated. cutter and the other edge fitting outside of the casting; a yoke fitting against the cap; a compression screw for operating the yoke; a second yoke carrying the compression screw; and means for removably hmging the second yoke to the casting.
4. In a meat grinder a main casting having a compression screw chamber and a perforated cutter slidingly and non-rotatably mounted in the forward end of the chamber; bearing plates pivotally connected to'the opposite sides of the casting and adapted to swing up and down; hinge members at the forward ends of the'bearing plates; a yoke having members meshing with the v In testimony whereof I have signed my name to this specification.
. JULIUS MILLER,
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0813908A1 (en) * 1996-06-20 1997-12-29 Maschinenfabrik Dornhan GmbH Cutting and/or bearing system for food screw miner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0813908A1 (en) * 1996-06-20 1997-12-29 Maschinenfabrik Dornhan GmbH Cutting and/or bearing system for food screw miner

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