发明名称 |
Group card-key actuated lock having individual lockout |
摘要 |
A number of bearers concurrently use card-keys, having a common access code, and a unique lockout code to open a single lock. If a particular bearer is to be selectively locked out, the lockout code sensing device in the lock is changed to lockout the particular bearer but not all other bearers concurrently using their card keys to open the same lock.
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申请公布号 |
US4777815(A) |
申请公布日期 |
1988.10.18 |
申请号 |
US19850774339 |
申请日期 |
1985.09.10 |
申请人 |
AVANT INCORPORATED |
发明人 |
LOVELL, WALTER C.;KUHNS, ROGER J. |
分类号 |
E05B35/10;E05B47/00;(IPC1-7):E05B47/00 |
主分类号 |
E05B35/10 |
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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