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:
Jun. 30, 2020
Filed:
May. 25, 2018
United States Government As Represented BY the Department of Veterans Affairs, Washington, DC (US);
Regents of the University of Minnesota, Minneapolis, MN (US);
Andrew H. Hansen, Minneapolis, MN (US);
Gary D. Goldish, Minneapolis, MN (US);
Eric Nickel, Minneapolis, MN (US);
United States Government as Represented by the Department of Veterans Affairs, Washington, DC (US);
Regents of the University of Minnesota, Minneapolis, MN (US);
Abstract
A manual wheelchair including a collapsible frame with at least one brace connected to at least one of the frame members. A drive wheel axel extends along a first axis of rotation and engages a drive wheel, the first brace, and a portion of a transmission. A push rim axel extends along a second axis of rotation and engages a push rim wheel, the second brace, and a portion of the transmission, which transmits rotation of the push rim to rotation of the drive wheel. The at least one brace is configured to release the at least one of the frame members to collapse the wheelchair.