发明名称 |
Keyboard musical instrument having hammer heads formed of metallic powder containing synthetic resin and process of fabricating hammer assembly |
摘要 |
A keyboard music instrument includes a keyboard, key action mechanisms functionally connected to keys of the keyboard, strings assigned notes of a scale and hammer assemblies for striking the strings. The hammer assemblies have respective hammer heads formed of metallic powder containing synthetic resin so as to exactly regulate the weight to target values.
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申请公布号 |
US5811702(A) |
申请公布日期 |
1998.09.22 |
申请号 |
US19960722914 |
申请日期 |
1996.09.23 |
申请人 |
YAMAHA CORPORATION |
发明人 |
TOMIZAWA, YASUSHI;TAKAHASHI, HIROYOSHI;FURUKI, FUMIYOSHI;SUZUKI, TAKAMITSU |
分类号 |
G10C3/18;(IPC1-7):G10C3/18 |
主分类号 |
G10C3/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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