发明名称 Key for keyboard instrument
摘要 <p>A key for a keyboard instrument, which is capable of maintaining the excellent abrasion resistance and lubricity of bushing cloth for a long time period, thereby making it possible not only to stably ensure a smooth pivotal motion of the key but also to manufacture the key at lower costs. The key is mounted in a state engaged with a pin and is pivotally moved in accordance with depression thereof. The key has a key stick formed with a pin hole having left and right wall surfaces opposed to each other and opening downward, and is pivotally engaged with the pin via the pin hole. Bushing cloth sheets are made of fluorocarbon resin fibers, and are affixed to the left and right wall surfaces of the pin hole.</p>
申请公布号 EP2017821(A2) 申请公布日期 2009.01.21
申请号 EP20080012335 申请日期 2008.07.08
申请人 KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO 发明人 TSUMEISHI, TAKESHI
分类号 G10C3/00 主分类号 G10C3/00
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