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:
Feb. 09, 2021
Filed:
Sep. 23, 2016
University of Pittsburgh—of the Commonwealth System of Higher Education, Pittsburgh, PA (US);
The United States Government As Represented BY the Department of Veterans Affairs, Washington, DC (US);
Rory Alan Cooper, Gibsonia, PA (US);
Hongwu Wang, Edmond, OK (US);
Cheng-Shiu Chung, Pittsburgh, PA (US);
Jorge Luis Candiotti, Mars, PA (US);
Garrett G. Grindle, Pittsburgh, PA (US);
Jonathan L. Pearlman, Pittsburgh, PA (US);
Brandon Joseph Daveler, Pittsburgh, PA (US);
The United States Government As Represented By The Department of Veterans Affairs, Washington, DC (US);
University of Pittsburgh—Of The Commonwealth System Of Higher Education, Pittsburgh, PA (US);
Abstract
A wheelchair includes a frame, a seat attached to the frame, a first forward wheel on a first side of the frame and a second forward wheel on a second side of the frame, a first rearward wheel on the first side of the frame and a second rearward wheel on the second side of the frame, a first drive wheel on the first side of the frame positioned intermediate between the first forward wheel and the first rearward wheel and a second drive wheel on the second side of the frame positioned intermediate between the second forward wheel and the second rearward wheel, and actuators to independently control the vertical position of the first forward wheel relative to the frame, the vertical position of the second forward wheel relative to the frame, the vertical position of the first rearward wheel relative to the frame, the vertical position of the second rearward wheel relative to the frame, the vertical position of the first drive wheel relative to the frame and the vertical position of the second drive wheel relative to the frame.