发明名称 PIANO ACTION
摘要 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.
申请公布号 US2015000500(A1) 申请公布日期 2015.01.01
申请号 US201414308437 申请日期 2014.06.18
申请人 KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO 发明人 TERAI Yasushi
分类号 G10C1/02 主分类号 G10C1/02
代理机构 代理人
主权项 1. A piano action comprising a plurality of hammers for striking strings; hammer shanks that support the respective hammers turnably; hammer rails that restrict the hammer shanks from turning after the hammers strike strings, and hammer cushions that are placed on the hammer rails and absorb motion energy generated by collision with the hammer shanks, wherein the hammer cushions are disposed at an angle so as not to become parallel to contact surfaces of the hammer shanks.
地址 Hamamatsu-shi JP