The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 28, 2007
Filed:
Mar. 29, 2005
Applicants:
Brian M. Watwood, Granite Bay, CA (US);
Duane Dejong, Elk Grove, CA (US);
Errol C. Armstrong, Gilroy, CA (US);
Inventors:
Brian M. Watwood, Granite Bay, CA (US);
Duane DeJong, Elk Grove, CA (US);
Errol C. Armstrong, Gilroy, CA (US);
Assignee:
Watwood, Inc., Granite Bay, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B62M 1/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wheelchair which shifts between forward and reverse by virtue of a roller mechanism which grabs in one direction and slips an opposite direction, thereby preventing binding. The shift mechanism is initiated by rotation of a shift paddle which is located on a extremity of a lever arm remote from the roller mechanism.