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:
Mar. 04, 2025
Filed:
Jul. 16, 2019
Applicant:
Technische Universitaet Wien, Vienna, AT;
Inventors:
Assignee:
TECHNISCHE UNIVERSITAET WIEN, Vienna, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61G 5/02 (2006.01); A61G 5/10 (2006.01); A61G 5/12 (2006.01); B62M 3/06 (2006.01);
U.S. Cl.
CPC ...
A61G 5/026 (2013.01); A61G 5/027 (2013.01); A61G 5/1005 (2013.01); A61G 5/125 (2016.11);
Abstract
The invention relates to a mechanical wheelchair drive, comprising a rotatably mounted lever, a handle fastened to the lever, and a force transfer unit for transferring rotational motion of the lever to a wheelchair wheel, wherein the lever has a variable length and is guided along a closed guide of a guide plate, said guide deviating from the circular form, such that the length of the lever changes during the rotational motion.