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US5105690: Manipulator-driver for holding and driving a screw-type article

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Filing Information

Inventor(s) Richard J. Lazzara · Keith D. Beaty ·
Assignee(s) Implant Innovations, Inc. ·
Attorney/Agent(s) Alfred H. Rosen ·
Primary Examiner James G. Smith ·
Application Number US7677514
Filing date 03/29/1991
Issue date 04/21/1992
Predicted expiration date 03/29/2011
U.S. Classifications 81/436  · 81/451  ·
International Classifications B25B 1500  ·
Kind CodeA
International Classifications 81439;441;451 ·
11 Claims, No Drawings


Abstract

A driver for screws, bolts and the like which have a socket for receiving the bit of a driver, in which a tapered holding section between the bit and the shaft of the driver serves to hold an article by frictional engagement with the opening edge of the socket when the bit is engaged in the socket for turning the article. The bit is shorter than the depth of the socket, and the holding section expands sufficiently away from the bit so as to make frictional contact with the edge of the socket when the bit is engaged in the socket.

Independent Claims | See all claims (11)

  1. 1. For use in releasably holding and driving a screw-type article having a driving socket of prescribed substantially non-circular cross-sectional shape with an opening through a surface of the article for receiving a driving bit having substantially the same cross-sectional shape, a driver comprised of a driving shaft extending along an axis, a downward-tapering holding section extending axially from one end of said shaft, and a substantially strong driving bit extending axially from said holding section, wherein said driving bit has substantially said cross-sectional shape and is dimensioned transversely to said axis to fit within the cross-sectional dimensions of said socket, the length of said bit being shorter than the depth of said socket, the width of said holding section being wider toward said shaft than a cross-sectional dimension of said socket, whereby when said bit is inserted into said socket said holding section may function to engage said article frictionally at said opening while said bit engages within said socket for turning said article around said axis.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US4503737 Di Giovanni Mar 1985
US4878406 SK Hand Tool Corp. Simpson et al. Nov 1989
US5001948 SK Hand Tool Corporation Weible et al. Mar 1991

Referenced By

Document NumberAssigneeInventorsIssue/Pub Date
FR2916820 MEMOMETAL TECHNOLOGIES SOC PAR PRANDI BERNARD et al. Dec 2008
EP0985498 Berner GmbH Karl-Friedrich Hlterhoff Mar 2000
US6913465 Nobel Biocare Services AG Charles W. Howlett et al. Jul 2005
US6561805 Nobel Biocare AB Ajay Kumar May 2003
US6454567 ACE Surgical Supply Co., Inc. Joseph Edward Carchidi et al. Sep 2002
US7131840 CONSTANTINO AZIZ Aziz Constantino Nov 2006
US6343930 Implant Innovations, Inc. Keith D. Beaty et al. Feb 2002
US7344376 Biomet 3i, Inc. Keith D. Beaty et al. Mar 2008
US6619958 Implant Innovations, Inc. Keith D. Beaty et al. Sep 2003
US6419489 Nobel Biocare AB Lars Jrnus et al. Jul 2002
US6951462 Zimmer Dental Inc. Ajay Kumar et al. Oct 2005
US6955258 Nobel Biocare AB Charles W. Howlett et al. Oct 2005
US6626067 Snap-on Technologies, Inc. Dean J. Iwinski et al. Sep 2003
US8029282 Keystone Dental, Inc. Robert D. Carter Oct 2011
US8033826 Biomet 3i, LLC Ross W. Towse et al. Oct 2011
US8087935 Biomet 3i, LLC Keith D. Beaty et al. Jan 2012
US6203323 Implant Innovations, Inc. Keith D. Beaty et al. Mar 2001
US5690489 Joseph Edward Carchidi Nov 1997
US5989026 Implant Innovations, Inc. Dan Paul Rogers et al. Nov 1999
US6315562 Nobel Biocare USA, Inc. Ajay Kumar Nov 2001
US5692904 Implant Innovations, Inc. Keith D. Beaty et al. Dec 1997
US5947732 Implant Innovations, Inc. Keith D. Beaty et al. Sep 1999
US5964591 Implant Innovations, Inc. Keith D. Beaty et al. Oct 1999
US6332382 Wayne Anderson et al. Dec 2001
US6168435 Implant Innovations, Inc. Keith D. Beaty et al. Jan 2001
US6312260 Nobel Biocare AB Ajay Kumar et al. Nov 2001
US6152737 Implant Innovations, Inc. Keith D. Beaty et al. Nov 2000
USRE37227 Implant Innovations, Inc. Urs Brodbeck Jun 2001
US6217332 Nobel Biocare AB Ajay Kumar Apr 2001
US5461944 Massimo Ciumaga Oct 1995
US5277531 Snap-on Tools Corporation Bert Krivec Jan 1994
US5295831 Impla-Med, Inc. Chad J. Patterson et al. Mar 1994
US6016727 Sofamor Danek Properties, Inc. Frank H. Morgan Jan 2000
US6099311 Sulzer Calcitek Inc. William R. Wagner et al. Aug 2000
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