Hammer assembly and keyboard instrument

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10825427
SERIAL NO

16562571

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A hammer assembly includes: a weight; and a pivot member including a first weight supporter configured to support the weight in a first direction, a second weight supporter configured to support the weight in a second direction opposite to the first direction, and a coupling portion configured to couple the first weight supporter and the second weight supporter to each other. A distance from the first weight supporter to the weight and a distance from the second weight supporter to the weight increase with decrease in distance to the coupling portion in at least a portion of a region of the weight.

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Patent Owner(s)

Patent OwnerAddress
YAMAHA CORPORATION10-1 NAKAZAWA-CHO CHUO-KU HAMAMATSU-SHI SHIZUOKA 430-8650

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ichiki, Shunsuke Hamamatsu, JP 31 89
Takahashi, Ken Hamamatsu, JP 280 2584

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