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:
Nov. 28, 2017
Filed:
Nov. 26, 2014
Applicants:
Cheng I Chou, City of Industry, CA (US);
Jackson Bishop Hsieh, City of Industry, CA (US);
Inventors:
Cheng I Chou, City of Industry, CA (US);
Jackson Bishop Hsieh, City of Industry, CA (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61H 1/02 (2006.01); F16B 1/00 (2006.01); F16B 19/02 (2006.01);
U.S. Cl.
CPC ...
A61H 1/0218 (2013.01); A61H 2201/0173 (2013.01); A61H 2201/1642 (2013.01); A61H 2203/0493 (2013.01); F16B 1/0071 (2013.01); F16B 19/02 (2013.01);
Abstract
A key with extending wings. The with at least one wing that open when the key is not properly installed and the at least one wing retract into the body of the key when the key has been properly inserted regardless of the viewing angle of the key. The key identifies improper insertion and include a spring-loaded pin and inner shaft that engages into aligned locating holes in an inversion bench. In addition to the visual appearance, a blind user can feel the sides to the key to determine if the key has been properly inserted into the inversion bench.