Invention Grant
US07129404B2 Keyboard musical instrument having keys regulated with stable key balance pieces and process for fabricating keys
有权
键盘乐器具有用稳定的键平衡片调节的键和用于制造琴键的过程
- Patent Title: Keyboard musical instrument having keys regulated with stable key balance pieces and process for fabricating keys
- Patent Title (中): 键盘乐器具有用稳定的键平衡片调节的键和用于制造琴键的过程
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Application No.: US10734376Application Date: 2003-12-11
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Publication No.: US07129404B2Publication Date: 2006-10-31
- Inventor: Satoshi Inoue
- Applicant: Satoshi Inoue
- Applicant Address: JP Hamamatsu
- Assignee: Yamaha Corporation
- Current Assignee: Yamaha Corporation
- Current Assignee Address: JP Hamamatsu
- Agency: Morrison & Foerster LLP
- Priority: JP2001-342943 20011108; JP2001-363799 20011129; JP2002-072627 20020315
- Main IPC: G10C3/12
- IPC: G10C3/12
Abstract:
A key is an indispensable component parts of an acoustic or electronic keyboard musical instrument, and key balancers are embedded in the key for varying the moment exerted on the key; the key balancers are fastened to the key by means of an anchor so that the key balancers are neither chattered in nor dropped out from the key.
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