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. 11, 2024
Filed:
Mar. 12, 2021
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);
Rory Cooper, Pittsburgh, PA (US);
Jonathan Duvall, Pittsburgh, PA (US);
Robert McDonough, Grove City, PA (US);
Aaron Tyler Anderson, Philadelphia, PA (US);
Siew Seang Ong, Singapore, SG;
Jeffrey Ruffing, Pittsburgh, PA (US);
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 can comprise: a frame comprising an upper portion and a lower portion that is coupled to the upper portion so that the upper portion is vertically adjustable with respect to the lower portion. A pair of drive wheels can be coupled to the frame. A plurality (e.g., a pair) of casters are coupled to the frame. Each caster can have a respective swivel axis. At least one caster of the plurality of casters can be configured to be locked to prevent swiveling about its respective swivel axis and unlocked to enable swiveling about its respective swivel axis.