Piano action

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9437173
APP PUB NO 20150000500A1
SERIAL NO

14308437

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Importance

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Abstract

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Obtained is a structure of a piano action by which excellent playing reproducibility is secured even in a case of playing by repeatedly striking a key at an extremely high speed. In a piano action including a plurality of hammers 31 for striking keys, hammer shanks 32 that support the hammers turnably, hammer rails 1 that restrict the hammer shanks 32 from turning after the hammers strike strings, and hammer cushions (shock absorbing materials) 100 that are placed on the hammer rails and absorb motion energy generated by collision with the hammer shanks 32, the hammer cushions (shock absorbing materials) 100 are disposed at an angle so as not to become parallel to contact surfaces of the hammer shanks 32.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO200 TERAJIMA-CHO CHUO-KU HAMAMATSU-SHI SHIZUOKA-KEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Terai, Yasushi Hamamatsu, JP 5 11

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