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. 19, 2013
Filed:
Apr. 30, 2010
Rory Alan Cooper, Gibsonia, PA (US);
Jonathan Lee Pearlman, Pittsburgh, PA (US);
Todd Hargroder, San Antonio, TX (US);
Eun-kyoung Hong, Pittsburgh, PA (US);
Hsin-yi Llu, Pittsburgh, PA (US);
Hongwu Wang, Pittsburgh, PA (US);
Benjamin Arthur Salatin, Pittsburgh, PA (US);
Rory Alan Cooper, Gibsonia, PA (US);
Jonathan Lee Pearlman, Pittsburgh, PA (US);
Todd Hargroder, San Antonio, TX (US);
Eun-Kyoung Hong, Pittsburgh, PA (US);
Hsin-Yi Llu, Pittsburgh, PA (US);
Hongwu Wang, Pittsburgh, PA (US);
Benjamin Arthur Salatin, Pittsburgh, PA (US);
University of Pittsburgh—of the Commonwealth System of Higher Education, Pittsburgh, PA (US);
Abstract
Angle adjustable backrest made of a lightweight, durable, adjustable, backrest for ultralight manual wheelchairs. Light-weight material can include composites for a rigid backrest for promotion of healthier and functional interface. Angle adjustment can be any desired range such as a range from −5 degree to 55 degrees (i.e. 85 degrees to 145 degree with respect to horizontal with the seat). No tools are necessary for any of the angle adjustments. The backrest has a horizontal adjustment (fore-aft) that can be any desired range such as 1 inch. The height selection depends on the length of the wheelchair frame tubes. The present invention improves the ease and simplicity of adjusting the backrest by or for the user, as well as enhances the aesthetic appearance and adds features necessary for achieving commercial readiness. The present invention can be retro fit onto a wide range for ultralight wheelchairs.