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:
Jul. 09, 2019
Filed:
Aug. 25, 2016
Applicant:
Kawai Musical Instruments Manufacturing Co., Ltd., Shizuoka-ken, JP;
Inventor:
Masahiko Iwase, Shizuoka-ken, JP;
Assignee:
KAWAI MUSICAL INSTRUMENTS MANUFACTURING CO., LTD, Shizuoka-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10C 3/12 (2006.01); G10H 1/34 (2006.01);
U.S. Cl.
CPC ...
G10C 3/12 (2013.01); G10H 1/346 (2013.01); G10H 2220/265 (2013.01);
Abstract
A key in one aspect of the present disclosure comprises a key body, a hook, a weight, and a stopper. When the weight is accommodated in a hole of the key body, the weight is supported inside of the hole at least at the following two points: a point α where the stopper is caught on the hook; and a point γ where the weight abuts on a wall surface of the hole, when the weight is rotated about the point α.