Self adjusting wrench

Description

FIG. 1 is a front elevational view of a self adjusting wrench showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is an enlarged top plan view thereof;

FIG. 6 is an enlarged bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D150677 August 1948 Carnelli
D162856 April 1951 Matthews
D287928 January 27, 1987 Watanabe
874545 December 1907 Scribner
1489458 April 1924 Petersen
1634908 July 1927 Lynch et al.
1927719 September 1933 Slizus
2467658 April 1949 Carnelli
2655064 October 1953 Simon et al.
3222958 December 1965 Houdesheldt
4616534 October 14, 1986 Park et al.
Other references
  • AeroSpace America, Jun. 1985, inside back cover, Wrench.
Patent History
Patent number: D330835
Type: Grant
Filed: Jul 27, 1990
Date of Patent: Nov 10, 1992
Inventor: William A. Culpepper (Allentown, PA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Attorney: Leon Gilden
Application Number: 7/559,563
Classifications
Current U.S. Class: D 8/23