US 9,812,108 B2
Support assembly and keyboard apparatus
Akito Ohba, Hamamatsu (JP)
Assigned to Yamaha Corporation, Hamamatsu-Shi (JP)
Filed by Yamaha Corporation, Hamamatsu-shi, Shizuoka-ken (JP)
Filed on Oct. 6, 2016, as Appl. No. 15/287,440.
Application 15/287,440 is a continuation of application No. 15/080,355, filed on Mar. 24, 2016, granted, now 9,502,004.
Claims priority of application No. 2015-063215 (JP), filed on Mar. 25, 2015.
Prior Publication US 2017/0040010 A1, Feb. 9, 2017
Int. Cl. G10C 3/16 (2006.01); G10H 1/34 (2006.01); G10C 3/22 (2006.01); G10C 3/24 (2006.01)
CPC G10H 1/346 (2013.01) [G10C 3/16 (2013.01); G10C 3/168 (2013.01); G10C 3/22 (2013.01); G10C 3/24 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A support assembly comprising:
a support rotatably disposed with respect to a frame;
a repetition lever hinge mounted to the support; and
a repetition lever supported by the repetition lever hinge and rotatably disposed with respect to the support, wherein
the repetition lever has a contact surface and the contact surface contacts a hammer shank roller provided to a hammer shank for rotating a hammer, and
the repetition lever hinge is mounted to the support in a mounting direction that crosses with a tangent-line direction of a line tangent to the hammer shank roller at the contact between the hammer shank roller and the contact surface.