US1452893A - Attachment for skinning knives - Google Patents

Attachment for skinning knives Download PDF

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Publication number
US1452893A
US1452893A US559891A US55989122A US1452893A US 1452893 A US1452893 A US 1452893A US 559891 A US559891 A US 559891A US 55989122 A US55989122 A US 55989122A US 1452893 A US1452893 A US 1452893A
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US
United States
Prior art keywords
guard
blade
knife
supporting member
attachment
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US559891A
Inventor
Harry W L Porth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JBS USA LLC
Original Assignee
Swift and Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Swift and Co Inc filed Critical Swift and Co Inc
Priority to US559891A priority Critical patent/US1452893A/en
Application granted granted Critical
Publication of US1452893A publication Critical patent/US1452893A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22B—SLAUGHTERING
    • A22B5/00—Accessories for use during or after slaughtering
    • A22B5/16—Skinning instruments or knives
    • A22B5/168—Hand tools specially adapted for skinning carcasses

Definitions

  • This invention relates to attachments for Skinning knives, and more 'particularly to safety attachments to ⁇ prevent damaging the hide during its removal.
  • An object lof the invention is the provision of'a guard arranged adjacent the cutting edge of the-bladeof a skinningknife to prevent damaging the hide by the operator due to changing the angle of the blade during the Skinning operation.
  • a further object is the provision of a guard adapted to be arranged adjacent the edge of the blade which is hinged-thereto, to permit removal of the guard for the 'purpose of sharpening the blade.
  • a further object is the provision Ofmeans for normally locking the guard in operative position.
  • a further object is the ⁇ provision of a. guard adjustable laterally to permit proper positioning ⁇ with respect to the cutting edge.
  • Figure 1 is a side elevation
  • Figure 2 is a plan View
  • Figure 3 is a similar view showing the guard released
  • Figure 4 is a detail sectional view on line 4-4 of Figure 1, and,
  • Figure 5 is a similar view on line 5-5 of Figure 1.
  • the reference numeral 1 designates a blade having a cutting edge ⁇
  • the upper portion of the blade is provided with a pair of hefts 3 arranged on opposite sides thereof forming a handle. These members are secured to the blade by rivets 4 oi' other suitable fastening elements.
  • the handle is provided with a pair of projecting ears 6, having a recess 7 arranged therebetween and a hinged guard supporting member S is mounted between these ears.
  • the supporting member is provided with a pair of ears 9. adapted to be mounted in the recess 7 and a pivot pin 10' extends through suitable openings in the ears 6' and 9.
  • a spring 11 is arranged aroundzthe intermediate portion of the pivot pin, one end of the spring being received in one of theears 9, as indicated at 12, and the opposite end being received in the handle portion. The spring normally tends to move the hinged supporting member 8 to the position shown ink Figure 3 of the drawings.
  • a guard 13 is :mounted on the hinged supporting member and is adapted to be arranged adjacent the cutting edge of the blade. As shown, the guard is provided with an edge 14having ⁇ a contour similar to the cutting edge of the blade.
  • the guard is provided with a heel 15 having a recess 16 in its lower face for the reception of an enlargement formed' on the supporting member. This heel is-provided with an elongated slot 1 ⁇ S ⁇ and a suitable fastening element 19 passes throughthis fslot and -is received in the hinged lsupporting member. Y 'f Suitable locking means are provided to normally retain the guard in operative position adjacent the blade of the knife.
  • the hinged supporting member is provided with a locking member 2O having a hooked end 21 which projects through an opening 22 in the blade and is received in a recess 23 in one of the handle portions.
  • This handle portion is provided with a longitudinally extending bore or recess adapted to receive an operating lever 24.
  • the lever is pivotally mounted, as at 25, and the outer end thereof is connected to a block 26 carried by one of the handle portions,
  • the guard 13 is closed against the blade and the spring 11 placed under tension. lVhen the blade is closed, the hooked end 21 of the locking member 20 passes through the opening 22 in the blade and engages the blade as shown in Figure 4.
  • This member is made of suitable resilient material to permit it to snap over the blade.
  • the knife is to be sharpened, the block 26 is moved laterally of J(he knife handle swinging the lever 24 on its pivot and lifting the end of the locking member. Vhen the hooked end of the locking member passes above the edge of the opening 22 in the blade, the spring 11 swings the guard and supporting member to the open position shown in Figure 3 of the drawings. permitting the knife to be sharpened.
  • the guard may be adjusted laterally of the knife through the provision of an elongated slot 18 which permits the guard to be moved back as the blade is ground away in sharpening.
  • a n attachment for sknning knives comprising a guard hinged to the knife, an automatic locking member carried by said guard and adapted to engage the blade of the knife to retain said guard adjacent said blade, and a spring adapted to swing said guard away .from the face of the blade when said locking member is released.
  • An attachment for Skinning knives comprising a supporting member adapted to be hinged to the knife. a guard adjustably carried by said supporting member, a spring to force said supporting member and guard away from the face of the blade of the knife, and automatic means for locking said guard to said blade.
  • An attachment for Skinning knives comprising a supporting member hinged to the knife, the hinge of said supporting member being arranged parallel to the face of the blade of the knife, a guard carried by said supporting member, said guard and said supporting member being adapted to move as a unit away from the face of the blade, a locking member carried by said supporting member and adapted to engage a portion of the blade of the knife to retain said guard adjacent said blade, and a control lever pivotally mounted in the handle of the knife.
  • An attachment for Skinning knives comprising a supporting member hinged to the knife, a guard normally arranged adjacent the blade of the knife.v means for ad-j justably connecting said guard to said supporting member, a spring carried by said supporting member to retain said guard and said blade in spaced relation and means for locking said guard to said blade.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Knives (AREA)

Description

' H. w. l.. FORTH ATTACHMENT FOR SKINNING KNIVES Apr. 24, 1923.
Filed May lO 1922 Q www Patented Apr. 24, 1923.
UNITED STATES Param*l orricie.`r`
HARRYaw. L. IOR'rII,4 or CHICAGO, ILLINoIsVASsIGNo-n To 'swIr'r a COMPANY, or CHICAGO, ILLINOIS, A CORPORATION OEILLINOIS. i
ATTACHMENT FOR SKINNING KNIVES.
v Application led May 10, 15.322. Serial No. 559,891'.
17 o all whom t may concern.
Be it known that I, HARRY NV. L. FORTH, a citizen of the United States, residing at Chicago, in the county of Cook and Stateof Illinois, have invented certain new and useful Im arovements in Attachments for Skinning 1 nives, of which the following is a specification.
' This invention relates to attachments for Skinning knives, and more 'particularly to safety attachments to\ prevent damaging the hide during its removal.
' An object lof the invention is the provision of'a guard arranged adjacent the cutting edge of the-bladeof a skinningknife to prevent damaging the hide by the operator due to changing the angle of the blade during the Skinning operation.
A further object is the provision of a guard adapted to be arranged adjacent the edge of the blade which is hinged-thereto, to permit removal of the guard for the 'purpose of sharpening the blade.
A further object is the provision Ofmeans for normally locking the guard in operative position.
A further object is the` provision of a. guard adjustable laterally to permit proper positioning` with respect to the cutting edge.
In the accompanying drawings, I have shown one embodiment of the invention. In this showing:
Figure 1 is a side elevation,
Figure 2 is a plan View,
Figure 3 is a similar view showing the guard released,
Figure 4 is a detail sectional view on line 4-4 of Figure 1, and,
Figure 5 is a similar view on line 5-5 of Figure 1.
Referring to the drawings, the reference numeral 1 designates a blade having a cutting edge `The upper portion of the blade is provided with a pair of hefts 3 arranged on opposite sides thereof forming a handle. These members are secured to the blade by rivets 4 oi' other suitable fastening elements.
The handle is provided with a pair of projecting ears 6, having a recess 7 arranged therebetween and a hinged guard supporting member S is mounted between these ears. As shown. the supporting member is provided with a pair of ears 9. adapted to be mounted in the recess 7 and a pivot pin 10' extends through suitable openings in the ears 6' and 9. A spring 11 is arranged aroundzthe intermediate portion of the pivot pin, one end of the spring being received in one of theears 9, as indicated at 12, and the opposite end being received in the handle portion. The spring normally tends to move the hinged supporting member 8 to the position shown ink Figure 3 of the drawings.
I A guard 13 is :mounted on the hinged supporting member and is adapted to be arranged adjacent the cutting edge of the blade. As shown, the guard is provided with an edge 14having` a contour similar to the cutting edge of the blade. The guard is provided with a heel 15 having a recess 16 in its lower face for the reception of an enlargement formed' on the supporting member. This heel is-provided with an elongated slot 1`S`and a suitable fastening element 19 passes throughthis fslot and -is received in the hinged lsupporting member. Y 'f Suitable locking means are provided to normally retain the guard in operative position adjacent the blade of the knife. As shown, the hinged supporting member is provided with a locking member 2O having a hooked end 21 which projects through an opening 22 in the blade and is received in a recess 23 in one of the handle portions. This handle portion is provided with a longitudinally extending bore or recess adapted to receive an operating lever 24. The lever is pivotally mounted, as at 25, and the outer end thereof is connected to a block 26 carried by one of the handle portions,
In operation, the guard 13 is closed against the blade and the spring 11 placed under tension. lVhen the blade is closed, the hooked end 21 of the locking member 20 passes through the opening 22 in the blade and engages the blade as shown in Figure 4. This member is made of suitable resilient material to permit it to snap over the blade.
lVhen the knife is to be sharpened, the block 26 is moved laterally of J(he knife handle swinging the lever 24 on its pivot and lifting the end of the locking member. Vhen the hooked end of the locking member passes above the edge of the opening 22 in the blade, the spring 11 swings the guard and supporting member to the open position shown in Figure 3 of the drawings. permitting the knife to be sharpened. The guard may be adjusted laterally of the knife through the provision of an elongated slot 18 which permits the guard to be moved back as the blade is ground away in sharpening.
It is to be understood that the form of my invention herewith shown and described is to be taken as a. preferred example of the comprising a yguard hinged to the knife, au-
tomatic means for locking said guard adjacent the blade of the knife, and means for swinging said guard away from the face of the blade when the locking means is 'released.
Q. A n attachment for sknning knives comprising a guard hinged to the knife, an automatic locking member carried by said guard and adapted to engage the blade of the knife to retain said guard adjacent said blade, and a spring adapted to swing said guard away .from the face of the blade when said locking member is released.
3. An attachment for Skinning knives comprising a supporting member adapted to be hinged to the knife. a guard adjustably carried by said supporting member, a spring to force said supporting member and guard away from the face of the blade of the knife, and automatic means for locking said guard to said blade.
4. An attachment for Skinning knives comprising a supporting member hinged to the knife, the hinge of said supporting member being arranged parallel to the face of the blade of the knife, a guard carried by said supporting member, said guard and said supporting member being adapted to move as a unit away from the face of the blade, a locking member carried by said supporting member and adapted to engage a portion of the blade of the knife to retain said guard adjacent said blade, and a control lever pivotally mounted in the handle of the knife.
5. An attachment for Skinning knives comprising a supporting member hinged to the knife, a guard normally arranged adjacent the blade of the knife.v means for ad-j justably connecting said guard to said supporting member, a spring carried by said supporting member to retain said guard and said blade in spaced relation and means for locking said guard to said blade.
ln testimony whereof, I afiiX my signature in presence of two witnesses.
HARRY NV. L. POR-TH.
US559891A 1922-05-10 1922-05-10 Attachment for skinning knives Expired - Lifetime US1452893A (en)

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570671A (en) * 1948-09-20 1951-10-09 John B Reinhard Guarded knife for cutting butter and cheese
US2644230A (en) * 1951-09-15 1953-07-07 A And K Safety Carton Cutter I Carton cutter having a retractable guard
US5581893A (en) * 1995-09-25 1996-12-10 Ouellette; Shawn Protective guard for a utility knife
US20040093734A1 (en) * 2002-11-19 2004-05-20 Earl Votolato Safety cutting apparatus
US20050056296A1 (en) * 2003-09-16 2005-03-17 Lam Phillip L. Manicuring appliance
US20070276422A1 (en) * 2006-05-23 2007-11-29 Pooler Jason C Shielded scalpel
US20080083119A1 (en) * 2006-10-09 2008-04-10 Schmidt G Gerry Utility Knife
US20090183378A1 (en) * 2008-01-18 2009-07-23 Fiskars Brands, Inc. Cutting device
US20100311230A1 (en) * 2008-07-31 2010-12-09 Mitsubishi Electric Corporation Semiconductor device and method of fabricating the same
US20110167647A1 (en) * 2010-01-11 2011-07-14 Donald Gringer Cutting implements
US9027254B1 (en) 2013-11-08 2015-05-12 Bosela Design LLC Scalpel handle having a blade shield
US20150190165A1 (en) * 2013-11-08 2015-07-09 Bosela Design LLC Scalpel handle having a blade shield utilizing over center spring
US20160229074A1 (en) * 2013-09-05 2016-08-11 Martor Kg Knife
USD779143S1 (en) 2014-04-25 2017-02-14 Unger Marketing International, Llc Window scraper
USD782271S1 (en) 2015-04-29 2017-03-28 Unger Marketing International, Llc Tool handle
US20180133908A1 (en) * 2016-11-17 2018-05-17 Goodrich Corporation Safety knife with retractable sheath
US10231752B2 (en) 2013-11-08 2019-03-19 Bosela Design LLC Scalpel handle having a blade shield utilizing over center spring
US10575703B2 (en) 2015-04-29 2020-03-03 Unger Marketing International, Llc Versatile cleaning devices

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570671A (en) * 1948-09-20 1951-10-09 John B Reinhard Guarded knife for cutting butter and cheese
US2644230A (en) * 1951-09-15 1953-07-07 A And K Safety Carton Cutter I Carton cutter having a retractable guard
US5581893A (en) * 1995-09-25 1996-12-10 Ouellette; Shawn Protective guard for a utility knife
US8209870B2 (en) * 2002-11-19 2012-07-03 Earl Votolato Safety cutting apparatus
US7886443B2 (en) 2002-11-19 2011-02-15 Earl Votolato Safety cutting apparatus
US7509742B2 (en) * 2002-11-19 2009-03-31 Earl & Kimberly Votolato, Trustees Of The Votolato Living Trust Safety cutting apparatus
US20040093734A1 (en) * 2002-11-19 2004-05-20 Earl Votolato Safety cutting apparatus
US20090223066A1 (en) * 2002-11-19 2009-09-10 Earl J. Votolato Safety cutting apparatus
US20100018061A1 (en) * 2002-11-19 2010-01-28 Sharbaugh David A Safety Cutting Apparatus
US7726029B2 (en) * 2002-11-19 2010-06-01 Sharbaugh David A Safety cutting apparatus
US7966732B2 (en) * 2002-11-19 2011-06-28 Spellbound Development Group, Inc. Safety cutting apparatus
US20100236076A1 (en) * 2002-11-19 2010-09-23 Earl Votolato Safety cutting apparatus
US20050056296A1 (en) * 2003-09-16 2005-03-17 Lam Phillip L. Manicuring appliance
US20070276422A1 (en) * 2006-05-23 2007-11-29 Pooler Jason C Shielded scalpel
US7810241B2 (en) * 2006-05-23 2010-10-12 Pooler Jason C Shielded scalpel
US20110167646A1 (en) * 2006-10-09 2011-07-14 Schmidt G Gerry Utility Knife
US7774942B2 (en) 2006-10-09 2010-08-17 Pacific Handy Cutter, Inc. Utility knife
US20080083119A1 (en) * 2006-10-09 2008-04-10 Schmidt G Gerry Utility Knife
US8234790B2 (en) 2006-10-09 2012-08-07 Pacific Handy Cutter, Inc. Utility knife
US20090183378A1 (en) * 2008-01-18 2009-07-23 Fiskars Brands, Inc. Cutting device
US8046922B2 (en) * 2008-01-18 2011-11-01 Fiskars Brands, Inc. Cutting device
US20100311230A1 (en) * 2008-07-31 2010-12-09 Mitsubishi Electric Corporation Semiconductor device and method of fabricating the same
US20110167647A1 (en) * 2010-01-11 2011-07-14 Donald Gringer Cutting implements
US8938883B2 (en) * 2010-01-11 2015-01-27 Allway Tools, Inc. Cutting implements
US20160229074A1 (en) * 2013-09-05 2016-08-11 Martor Kg Knife
US10994434B2 (en) * 2013-09-05 2021-05-04 Martor Kg Knife
US20150190165A1 (en) * 2013-11-08 2015-07-09 Bosela Design LLC Scalpel handle having a blade shield utilizing over center spring
US9027254B1 (en) 2013-11-08 2015-05-12 Bosela Design LLC Scalpel handle having a blade shield
US9757146B2 (en) * 2013-11-08 2017-09-12 Bosela Design LLC Scalpel handle having a blade shield utilizing over center spring
US10231752B2 (en) 2013-11-08 2019-03-19 Bosela Design LLC Scalpel handle having a blade shield utilizing over center spring
USD779143S1 (en) 2014-04-25 2017-02-14 Unger Marketing International, Llc Window scraper
USD782271S1 (en) 2015-04-29 2017-03-28 Unger Marketing International, Llc Tool handle
USD829526S1 (en) 2015-04-29 2018-10-02 Unger Marketing International, Llc Tool handle
US10575703B2 (en) 2015-04-29 2020-03-03 Unger Marketing International, Llc Versatile cleaning devices
US20180133908A1 (en) * 2016-11-17 2018-05-17 Goodrich Corporation Safety knife with retractable sheath
US10207414B2 (en) * 2016-11-17 2019-02-19 Goodrich Corporation Safety knife with retractable sheath

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