发明名称 |
KEYBOARD MOUNTING MECHANISM |
摘要 |
A mechanism for mounting a keyboard supporting surface on a base including a linkage for mounting the surface for vertical swinging movement relative to the base and for vertical tilting movement relative thereto, a lock device for simultaneously locking the surface against swinging and tilting movements, a counterbalance spring for opposing downwardly directed swinging movement of said surface and a return spring for opposing downwardly directed tilting movement of said surface.
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申请公布号 |
CA2263448(C) |
申请公布日期 |
2002.11.12 |
申请号 |
CA19982263448 |
申请日期 |
1998.11.13 |
申请人 |
PANGBORN, DONALD R.;KERL, PETER J. |
发明人 |
PANGBORN, DONALD R.;KERL, PETER J. |
分类号 |
A47B21/03;(IPC1-7):A47B21/02;A47B21/04 |
主分类号 |
A47B21/03 |
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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