Drywall screw bit driver

- Wolfcraft, Inc.
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Description

FIG. 1 is a side elevational view of a drywall screw bit driver in a position after driving a drywall screw, the opposite side elevational view being identical thereto;

FIG. 2 is a bottom view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a side elevational view of a drywall screw bit driver in a telescoped position for receiving a drywall screw prior to driving of the drywall screw, the opposite side elevational view being identical thereto.

Referenced Cited
U.S. Patent Documents
D262938 February 9, 1982 Schulze
D317455 June 11, 1991 Martin
D318781 August 6, 1991 Nishiki
D328844 August 25, 1992 Fritz
D329795 September 29, 1992 Bird et al.
D332209 January 5, 1993 Feigel
D365113 December 12, 1995 Ronan
3935762 February 3, 1976 Tudisco
3973605 August 10, 1976 DeCaro
Other references
  • Bit holder, illustration top of page, Industrial Screwdriver Bits & Accessories Catalog 1979, Vermont American "Magna" Division, p. 26. Bit Holder Style M10R, Campbell's Industrial Supply Co. Catalog, p. 504. Non-magnetic Bit illustration top of page, Campbell's Industrial Supply Co. Catalog, p. 507. Magnetic Bit Holder, illustration "N", Sears Power & Hnad Tool 1993-1994 Catalog, p. 90.
Patent History
Patent number: D379578
Type: Grant
Filed: Jul 19, 1995
Date of Patent: Jun 3, 1997
Assignee: Wolfcraft, Inc. (Itasca, IL)
Inventor: David R. Daniels (Lake Villa, IL)
Primary Examiner: James M. Gandy
Assistant Examiner: Robert Spear
Law Firm: Antonelli, Terry, Stout & Kraus, LLP
Application Number: 0/41,619
Classifications
Current U.S. Class: D 8/70
International Classification: 0804;