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:
Apr. 20, 2021
Filed:
Sep. 11, 2020
Applicant:
Yamaha Corporation, Hamamatsu, JP;
Inventors:
Kento Ogawa, Funabashi, JP;
Ichiro Osuga, Hamamatsu, JP;
Assignee:
YAMAHA CORPORATION, Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10C 3/161 (2019.01); G10C 3/12 (2006.01); G10H 1/34 (2006.01);
U.S. Cl.
CPC ...
G10C 3/161 (2013.01); G10C 3/125 (2013.01); G10H 1/344 (2013.01);
Abstract
A key assembly includes a capstan and a key. The key includes an upper surface, a hole part having a first inner side surface supporting the capstan, and an opening part arranged between the upper surface and the hole part, the opening part having a second inner side surface surrounding the capstan.