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:
Oct. 31, 2017
Filed:
Sep. 22, 2016
Applicants:
Chia-pao Chang, Douliu, TW;
Ying-hsiang Lin, Taichung, TW;
Yu-cheng Chang, Taichung, TW;
Inventors:
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61H 3/04 (2006.01); B60B 33/00 (2006.01); B60B 33/06 (2006.01);
U.S. Cl.
CPC ...
A61H 3/04 (2013.01); B60B 33/0063 (2013.01); B60B 33/0081 (2013.01); B60B 33/063 (2013.01); A61H 2003/046 (2013.01); A61H 2201/1635 (2013.01); A61H 2201/1671 (2013.01); B60B 33/0094 (2013.01); B60B 2200/22 (2013.01); B60B 2200/26 (2013.01);
Abstract
A walking aid device includes a support body inclusive of a plurality of support elements extending toward the ground. Each support element is coupled to a caster and a brake unit. Each brake unit has a clutching surface. The clutching surface controllably clutches a wheel of the caster or the ground to thereby generate friction for stopping the walking aid device.