发明名称 Damper lever for grand piano
摘要 A damper lever for a grand piano is provided for realizing a significantly cost reduction, a higher dimensional accuracy at a fabricating stage and a higher weathering resistance, and for permitting lead pieces to be stably fixed in a lever body without causing fracture or deformation of the lever body. The damper lever for a grand piano is composed of a lever body formed of a molded plastic material, and having a fitting recess formed on one side surface thereof and an inserting hole extending from the fitting recess and open to the other side surface of the lever body, and a plurality of lead pieces each having a head and a shaft extending from the head. Each lead piece has its head inserted into the inserting hole of the lever body and the head fitted in the fitting recess of the lever body, and a top end of the shaft is caulked to fix each lead piece in the lever body.
申请公布号 US5932820(A) 申请公布日期 1999.08.03
申请号 US19970961216 申请日期 1997.10.30
申请人 KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO 发明人 KIHARA, TSUTOMU
分类号 G10C1/04;G10C3/16;G10C3/26;(IPC1-7):G10C3/00 主分类号 G10C1/04
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