专利名称：Keyboard musical instrument having keys
regulated with stable key balance pieces
发明人：Inoue, Satoshi申请号：EP02024930.6申请日：20021106公开号：EP1324312A3公开日：20050112
专利附图：
摘要：A key (21) is an indispensable component parts of an acoustic or electronickeyboard musical instrument, and key balancers (24) are embedded in the key (21) forvarying moment exerted on the key; the key balancers (24) are fastened to the key by
means of an anchor (24b) so that the key balancers are neither chattered in nor droppedout from the key (21).
申请人：YAMAHA CORPORATION
地址：10-1, Nakazawa-cho Hamamatsu-shi Shizuoka-ken JP
国籍：JP
代理机构：Emde, Eric
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