Automatic wheelchair safety brake

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Description

FIG. 1 is a perspective view of an automatic wheelchair safety brake showing my new design;

FIG. 2 is a right view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken-line showing of environmental structure in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
4019752 April 26, 1977 Leon et al.
5280938 January 25, 1994 Berry
5358266 October 25, 1994 Roth et al.
Patent History
Patent number: D412869
Type: Grant
Filed: Oct 16, 1998
Date of Patent: Aug 17, 1999
Inventor: Sheldon Bissell (Mountain Ranch, CA)
Primary Examiner: Kay H. Chin
Attorney: Bernhard Kreten
Application Number: 0/95,162
Classifications
Current U.S. Class: Element Or Attachment (D12/133); Wheelchair (D12/131)
International Classification: 1212;