Wheelchair propulsion unit
Description
FIG. 1 is a right side elevational view of a wheelchair propulsion unit showing my new design, the broken lines are for illustrative purposes only;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is an enlarged top and left side perspective view thereof;
FIG. 6 is an enlarged bottom and left side perspective view thereof; and
FIG. 7 is a bottom plan view thereof.
The portion of the attachment arm in FIGS. 2, 3, 5 and 6 is shown broken for convenience of illustration.
Referenced Cited
Patent History
Patent number: D315886
Type: Grant
Filed: Sep 30, 1988
Date of Patent: Apr 2, 1991
Inventor: Herbert E. Wood (Springfield, OR)
Primary Examiner: Kay H. Chin
Attorney: Richard C. Litman
Application Number: 7/252,871
Type: Grant
Filed: Sep 30, 1988
Date of Patent: Apr 2, 1991
Inventor: Herbert E. Wood (Springfield, OR)
Primary Examiner: Kay H. Chin
Attorney: Richard C. Litman
Application Number: 7/252,871
Classifications
Current U.S. Class:
Element Or Attachment (D12/133)