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:
Mar. 05, 1996
Filed:
Sep. 13, 1994
Paul Zwaan, Auckland, NZ;
Peter A Nyberg, Auckland, NZ;
Fisher & Paykel Limited, Auckland, NZ;
Abstract
A power system for wheelchairs is described, in particular for wheelchairs of the foldable type with quick-release wheel axles 1, the power system having two compact drive units, which are affixable and removable without the use of tools. The drive units connect vertically to complementary mounting brackets fixed to the wheelchair frame. The drive system also includes a control unit 51 for controlling power supply to each drive unit from batteries 41 held in underslung battery tray 42. The power system is retrofittable to existing wheelchairs, and is designed for easy removal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile