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:
May. 23, 2017
Filed:
Jul. 22, 2016
Applicant:
Yamaha Corporation, Hamamatsu-shi, Shizuoka-ken, JP;
Inventors:
Akito Ohba, Hamamatsu, JP;
Ichiro Osuga, Hamamatsu, JP;
Shunsuke Ichiki, Hamamatsu, JP;
Hiroshi Harimoto, Hamamatsu, JP;
Assignee:
Yamaha Corporation, Hamamatsu-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10C 3/18 (2006.01); G10C 3/16 (2006.01); G10C 3/22 (2006.01);
U.S. Cl.
CPC ...
G10C 3/168 (2013.01); G10C 3/22 (2013.01);
Abstract
A support assembly of a keyboard apparatus activated in accordance with pressing of a key to rotate a hammer provided at one end of a hammer shank, the support assembly includes a support rotatably disposed with respect to a frame, a jack having one side rotatably connected to the support and another side including a contact surface which makes contact with a hammer shank roller provided to the hammer shank, and a rib provided to the other side of the jack and projecting to a hammer shank roller side of the contact surface.