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1. 发明授权

US5463196A Captured key electrical safety lockout system 失效
标题翻译：捕获的关键电气安全锁定系统
公开(公告)号：US5463196A
公开(公告)日：1995-10-31
申请号：US48986
申请日：1993-04-16
申请人： Daniel E. Darimont
发明人： Daniel E. Darimont
IPC分类号： H01H9/28
CPC分类号： H01H9/28
摘要： A safety lockout apparatus for an electrical circuit includes an electrical switch, a key, a lock and a blocking mechanism. The electrical switch is movable between an ON position at which the electrical circuit is energized and an OFF position at which the electrical circuit is deactivated. The lock is adapted to receive the key and is rotatable among a plurality of positions by the key. The key is only insertable and removable when the lock is at a preselected position. The lock is maintained in the preselected position when the key is removed from the lock. The blocking mechanism physically maintains the switch in its OFF position when the key is removed from the lock.The blocking mechanism preferably includes a member driven by the lock between a first position at which the electrical switch is movable between its ON and OFF positions and a second position at which the member physically maintains the electrical switch in its OFF position. Advantageously, the driven member's second position corresponds to the preselected position at which the key can be removed from and inserted into the lock.
摘要翻译：用于电路的安全锁定装置包括电开关，钥匙，锁和阻塞机构。电开关可以在电路通电的ON位置和电路停用的OFF位置之间移动。该锁适于接收钥匙，并可通过钥匙在多个位置之间旋转。当锁处于预选位置时，钥匙只能插入和拆卸。当钥匙从锁中取出时，锁将保持在预选位置。当钥匙从锁中取出时，阻挡机构将开关物理地保持在OFF位置。阻塞机构优选地包括通过锁定在第一位置和第二位置之间的构件，第一位置和第二位置之间，在该第二位置，电开关可以在该第一位置和第二位置之间移动。有利地，从动构件的第二位置对应于可以从钥匙被移除并插入锁中的预选位置。

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