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Publication numberUS146023 A
Publication typeGrant
Publication dateDec 30, 1873
Filing dateAug 7, 1873
Publication numberUS 146023 A, US 146023A, US-A-146023, US146023 A, US146023A
InventorsIsaac S. Eussell
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Improvement in wood-screws
US 146023 A
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Description  (OCR text may contain errors)

L S;RUSSELL.

Wood-Screws. No.v 146,023. Y Patented oms-o, ma.

UNITED STATES PATENT OEEIoE` ISAAo S. RUSSELL, 0E NEW MARKET, MARYLAND, ASSIeNoR oE ONE-HALE EIS RIGHT To HENRY R. RUSSELL7 0E wooDRURY, NEW JERSEY.

IMPROVEMENT IN WOOD-SCREWS.

Specification forming part of Letters Patent No. 146,023, dated December 30, 1873; application filed August 7, 1873.

To all whom it may concern Be it known that I, ISAAC S. RUSSELL, of

` New Market, Frederick countv, Maryland, have passes; and to effect thiS, I give to the thread a varying pitch, decreasing gradually from the point throughout the Whole of its length,

A as is clearly represented by the accompanying drawing.

It is obvious that if a portion only of the threads have the gradually-decreasing pitch described, the eiiect of those threads would be the same-di'ering only in degree-as if all were of varying pitch; but

What I clailn as my invention, and to Secure by Letters Patent, is

A wood-screw, with a thread of varying pitch, gradually decreasing from` the point throughout the whole of its lengt-h, as Shown and described.

desire ISAAC S. RUSSELL.

Witnesses JOEL HALL, KATE HALL.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4175555 *Feb 22, 1978Nov 27, 1979Interfix LimitedBone screw
US4961361 *Feb 1, 1989Oct 9, 1990Kabushiki, Kaisha Kawa, Gakki SeisakushoFor a stringed musical instrument
US5100405 *Sep 7, 1990Mar 31, 1992Mclaren Alexander CLocking cap for medical implants
US5403136 *Jun 24, 1992Apr 4, 1995Synthes (U.S.A.)Threaded fastener especially for orthopaedic purposes
US5562672 *Oct 31, 1994Oct 8, 1996Acumed, Inc.Tapered bone screw with continuously varying pitch
US5569252 *Sep 27, 1994Oct 29, 1996Justin; Daniel F.Device for repairing a meniscal tear in a knee and method
US5871486 *Jan 10, 1997Feb 16, 1999Acumed, Inc.Variable pitch bone screw
US5964768 *Mar 3, 1998Oct 12, 1999Acumed, Inc.Tapered bone screw with continuously varying pitch
US5980524 *Jun 2, 1997Nov 9, 1999Innovasive Devices, Inc.Device for repairing a meniscal tear in a knee and method
US6001101 *Jan 13, 1997Dec 14, 1999Depuy FranceScrew device with threaded head for permitting the coaptation of two bone fragments
US6030162 *Dec 18, 1998Feb 29, 2000Acumed, Inc.Axial tension screw
US6299615Aug 16, 1999Oct 9, 2001Acumed, Inc.System for fusing joints
US6406479May 18, 1999Jun 18, 2002Daniel F. JustinMethod for repairing a meniscal tear in a knee
US6468277Apr 4, 2000Oct 22, 2002Ethicon, Inc.Orthopedic screw and method
US6527777Mar 13, 2001Mar 4, 2003Ethicon, Inc.Device for repairing a soft-tissue tear and method
US6984235Jun 3, 2002Jan 10, 2006Acumed LlcSystem for fusing joints
US6989014Jul 25, 2002Jan 24, 2006Ethicon, Inc.Orthopedic screw and method
US7235079Nov 18, 2004Jun 26, 2007Acumed LlcComposite bone fasteners
US7578836Jan 24, 2006Aug 25, 2009Depuy MitekOrthopedic screw and method
US8070786Jan 9, 2006Dec 6, 2011Acumed LlcSystem for fusing joints
US8197511Mar 4, 2009Jun 12, 2012Miller M ToddSuture anchor having a suture engaging structure and inserter arrangement
US8439946May 21, 2012May 14, 2013Stryker CorporationSuture anchor having a suture engaging structure and inserter arrangement
US8632568Sep 24, 2007Jan 21, 2014Stryker CorporationSuture anchor having a suture engaging structure and inserter arrangement
US20110280683 *Jan 19, 2010Nov 17, 2011Joachim GalipaudScrew or nut with a thread a pitch of which varies and tool to produce said screw or nut
US20120130433 *Dec 6, 2011May 24, 2012Huebner Randall JAxial tension screw
DE3902983A1 *Feb 1, 1989Aug 24, 1989Kawai Musical Instr Mfg CoStimmnagel
WO1994016636A1 *Jan 19, 1994Aug 4, 1994Gene Lyle ConradTapered bone screw with continuously varying pitch
WO1994020040A1 *Mar 1, 1994Sep 15, 1994Synvasive Technology IncCompression fastener having varied screw thread pitch
Classifications
Cooperative ClassificationF16B25/00