US 12,230,238 B2
Keyboard instrument
Yasushi Shiraishi, Ome (JP)
Assigned to CASIO COMPUTER CO., LTD., Tokyo (JP)
Filed by CASIO COMPUTER CO., LTD., Tokyo (JP)
Filed on Dec. 9, 2022, as Appl. No. 18/078,172.
Claims priority of application No. 2021-207672 (JP), filed on Dec. 22, 2021.
Prior Publication US 2023/0197045 A1, Jun. 22, 2023
Int. Cl. G10H 1/34 (2006.01); G10C 3/12 (2006.01)
CPC G10H 1/346 (2013.01) [G10C 3/12 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A keyboard instrument comprising:
a key base member;
a first member disposed on one of a left and a right side of the key base member in a key aligning direction; and
a second member disposed on the other of the left and the right side of the key base member on which the first member is not disposed,
wherein a length in an up-down direction of a portion of the first member which corresponds to a nearer side of a key differs from a length in the up-down direction of a portion of the second member which corresponds to the nearer side of the key.