Patent
   D315886
Priority
Sep 30 1988
Filed
Sep 30 1988
Issued
Apr 02 1991
Expiry
Apr 02 2005
Assg.orig
Entity
unknown
8
4
n/a
The ornamental design for a wheelchair propulsion unit, as shown and described.

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.

Wood, Herbert E.

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Patent Priority Assignee Title
4471972, Apr 20 1982 Propulsion and safety device for a conventional wheelchair
4865344, Jul 13 1988 PHILLIPS, E LAKIN; BAYES, BRUCE D Wheelchair hand propulsion apparatus
EP318677,
GB2213438,
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