发明名称 |
PERFEZIONAMENTO NELLE SERRATURE |
摘要 |
<p>A key operated rotary plug cylinder lock having rotary disc tumblers with a concentric cylindrical boss on one face of each disc tumbler projecting axially into internesting relation into a complemental cylindrical well or recess in the confronting face of the next adjacent disc tumbler. A lock-out pin mechanism to lock the plug against rotation when excessive rearward stress is exerted thereon, and a frangible lost motion coupling between the tumblers and the shell portion of the plug breakable upon excess torquing forces are also provided.</p> |
申请公布号 |
IT1086644(B) |
申请公布日期 |
1985.05.28 |
申请号 |
IT19770048992 |
申请日期 |
1977.04.15 |
申请人 |
MILLER HARRY C.;TICKEL JR H EDWARD |
发明人 |
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分类号 |
E05B29/00;E05B15/16;E05B21/06;(IPC1-7):E05B/ |
主分类号 |
E05B29/00 |
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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