Source: http://www.google.com/patents/US4166317?dq=7,441,219
Timestamp: 2013-12-05 06:45:22
Document Index: 410089254

Matched Legal Cases: ['art 28', 'art 30', 'art 28', 'art 30', 'art 30', 'art 28', 'art 28', 'art 30', 'art 30']

Patent US4166317 - Trimming knife - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Advanced Patent Search | Sign inAdvanced Patent SearchPatentsA manually held and manipulated knife for trimming a comestible product such as meat having a frame or frame assembly including a hand grasp or handle part extending radially outwardly from a ring-like part of short axial length and of considerable greater diameter than its axial length, a power driven...http://www.google.com/patents/US4166317?utm_source=gb-gplus-sharePatent US4166317 - Trimming knifePublication numberUS4166317 APublication typeGrantApplication numberUS 05/842,584Publication dateSep 4, 1979Filing dateOct 17, 1977Priority dateOct 17, 1977Also published asCA1076790A1, DE2845360A1, DE2845360C2Publication number05842584, 842584, US 4166317 A, US 4166317A, US-A-4166317, US4166317 A, US4166317AInventorsLouis A. BettcherOriginal AssigneeBettcher Industries, Inc.Patent Citations (4), Referenced by (16), Classifications (4) External Links: USPTO, USPTO Assignment, EspacenetTrimming knifeUS 4166317 AAbstract A manually held and manipulated knife for trimming a comestible product such as meat having a frame or frame assembly including a hand grasp or handle part extending radially outwardly from a ring-like part of short axial length and of considerable greater diameter than its axial length, a power driven ring-like blade also of short axial length rotatably supported in the ring-like part of the handle and having a radially inwardly facing circular cutting edge at one axial end, and a ring-like depth of cut control or gauge member within the blade and connected to the frame assembly for adjustment lengthwise of the axis of the blade by screws located radially outwardly of the gauge member. Clearance is provided between the blade and the depth of cut control or gauge member which clearance increases in the direction away from the cutting edge of the blade. The part of the depth of cut control or gauge member spaced from its connection to the frame assembly is flexible and the gauge member is split adjacent to one side of the handle part. Screws are provided for flexing parts of the gauge member relative to other parts thereof and/or preventing flexing of the split end of the split gauge member in the axial direction away from the cutting edge of the blade.
The knife A incorporates an annular tube-like depth of cut control or gauge member designated D. The depicted gauge D is of split ring configuration and comprises what is herein sometimes referred to as a base part 28 at one side connected to the frame B and a ring-like gauge proper or product contacting part 30 concretic with the blade C. The base part 28 of the gauge is of about twice the axial length of the gauge part 30 in the direction of the axis of the blade C, extends through an arc of about 30 which overlay the adjacent parts or areas of the gauge part 30. The base part 28 of the gauge D is connected to the assembly B by two wing headed screws 36, 38 extending through two circumferentially spaced axially extending slots 40, 42 in the part 28 and threaded into tapped apertures in the handle part of the frame assembly B. The slots 40, 42 permit axial adjustment of the gauge D relative to the frame B.
The inside surface 60 of the knife blade C which surface is preferably conical preferably makes an angle of about thirty degrees (30 about forty five degrees (45 16 and the radially outer surface 62 of the part 30 of the gauge assembly D adjacent to the cutting edge of the blade and which is also conical makes an angle of about fifty degrees (50 (70 the cutting of the blade or the end surface 64 of the gauge member nearest the cutting edge which surface is also planar. The gap provided between the adjacent surfaces 60 of the knife blade C and 62 of the part 30 of the gauge assembly D diverge in the direction away from the cutting edge 16 of the blade by an angle of from about ten degrees (10 thirty degrees (30 pass freely upwardly between the blade and the gauge member. The angles mentioned above are merely representative of angles which may possibly employed which angles may vary for different knives depending upon the diameters of the blades employed, the type of product being operated upon the surface of the gauge member D adjacent to the cutting edge 16 of the blade C is normally planar and parallel with the plane of the cutting edge 16. This results in a sharp or distinct corner at the edge of the gauge member adjacent to the cutting edge of the blade which construction is an improvement over the rounded construction of the prior art.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS2827657 *Apr 9, 1954Mar 25, 1958Bettcher IndustriesBoning knifeUS3197808 *May 27, 1963Aug 3, 1965Mears K DPower operated loin knifeUS3461557 *Mar 6, 1967Aug 19, 1969Morrell & Co JohnDepth-of-cut control means for meat trimmers and the likeUS3688403 *Oct 21, 1970Sep 5, 1972Bettcher IndustriesKnife* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS4439924 *Nov 5, 1981Apr 3, 1984Bettcher Industries, Inc.Rotary hand knifeUS4492027 *Apr 18, 1983Jan 8, 1985Bettcher Industries, Inc.Rotary hand knifeUS4509261 *Dec 14, 1981Apr 9, 1985Bettcher Industries, Inc.Boning and trimming knife and housingUS4516323 *Sep 22, 1983May 14, 1985Bettcher Industries, Inc.Rotary hand knife and parts thereforUS4575937 *Oct 22, 1984Mar 18, 1986Mccullough Timothy JDepth control gauge for meat trimming knifeUS4575938 *Jul 12, 1984Mar 18, 1986Mccullough Timothy JMeat trimming knifeUS4590676 *Mar 28, 1985May 27, 1986Bettcher Industries, Inc.Boning and trimming knife and housingUS4637140 *Jan 31, 1985Jan 20, 1987Bettcher Industries, Inc.Boning and trimming knifeUS4854046 *Oct 7, 1987Aug 8, 1989Bettcher Industries, Inc.Rotary hand trimming knifeUS4858321 *Mar 4, 1988Aug 22, 1989Mccullough Timothy JSlotted depth gauge plateUS4894915 *Feb 11, 1987Jan 23, 1990Bettcher Industries, Inc.Cable driven ring blade knifeUS5230154 *Sep 28, 1990Jul 27, 1993Bettcher Industries, Inc.Modular power-driven rotary knife, improved handle and methodUS5400511 *Jul 26, 1993Mar 28, 1995Bettcher Industries, Inc.Thumbpiece for modular power-driven knifeUS5484331 *Apr 23, 1993Jan 16, 1996Monfort, Inc.Method and device for hot fat trimmingUS6363617Apr 7, 2000Apr 2, 2002Terry FrostGuard for cast cutterUS6694649Nov 7, 2001Feb 24, 2004Bettcher Industries, Inc.Motor driven knife including depth limiting device* Cited by examinerClassifications U.S. Classification30/276International ClassificationB26B25/00Cooperative ClassificationB26B25/002European ClassificationB26B25/00ARotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google