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.

Date of Patent:
Dec. 10, 2024

Filed:

Sep. 09, 2021
Applicant:

Thuja Innovations Inc., Victoria, CA;

Inventors:

Jintao Qiu, Shanghai, CN;

Mingjie Cai, Victoria, CA;

Robert Stanford Magyar, Victoria, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61G 5/10 (2006.01); A47C 7/74 (2006.01);
U.S. Cl.
CPC ...
A61G 5/1048 (2016.11); A47C 7/74 (2013.01); A47C 7/742 (2013.01);
Abstract

A backrest for a wheelchair or other mobility device configured to provide user controllable cooling and heat to the wheelchair user's back. The cooling element includes a Peltier chip, heat sink and gel pad for user contact. The heating element includes heating wire interposed between the fabric cover and the compressible foam of the backrest cushioning. The cooling element and heating element both move with the movement of the fabric cover so as to provide good heat conduction contact without adversely affecting cushioning. The backrest includes a tillable mount.


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