Ratchet powered wheelchair

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Description

FIG. 1 is a top and front perspective view of a ratchet powered wheelchair showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image of that shown;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3666292 May 1972 Bartos
3994509 November 30, 1976 Schaeffer
4705284 November 10, 1987 Stout
4762332 August 9, 1988 Seol
4811964 March 14, 1989 Horn
5007655 April 16, 1991 Hanna
5020815 June 4, 1991 Harris et al.
Patent History
Patent number: D330177
Type: Grant
Filed: Oct 4, 1990
Date of Patent: Oct 13, 1992
Inventor: Jim Shetter (Forest Park, GA)
Primary Examiner: Kay H. Chin
Attorney: Terry M. Gernstein
Application Number: 7/592,866