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12. 发明授权

US5412167A Locking device for an electrical switch 失效
标题翻译：电气开关的锁定装置
公开(公告)号：US5412167A
公开(公告)日：1995-05-02
申请号：US133430
申请日：1993-10-08
申请人： Robert W. Mueller , Glen C. Sisson , James G. Maloney , David A. Parks , Arthur D. Carothers , William E. Beatty, Jr.
发明人： Robert W. Mueller , Glen C. Sisson , James G. Maloney , David A. Parks , Arthur D. Carothers , William E. Beatty, Jr.
IPC分类号： H01H9/28
CPC分类号： H01H9/283
摘要： A locking device is insertable into a cover opening adjacent to a handle of an electrical switch to occupy the space in the cover opening for resisting movement of the handle. The locking device has two pivotally connected members. The pivotal movement of the members creates a collapsed condition or an expanded condition for the locking device. The pivotal members have a transverse opening which are alignable relative to each other when the locking device is in its expanded condition. The locking device is inserted into the cover opening when the pivotal members are collapsed. In a first embodiment, a handle shroud member has an opening for receiving the handle and a second member has leg means along its base for engaging an undersurface around the cover opening when the locking device is in its expanded condition. In a second and a third embodiment, both pivotal members have leg means for engaging undersurfaces around the cover opening when the locking device is in its expanded condition. Once the apertures of the members are in alignment, a padlock is inserted therethrough for retaining the locking device in its expanded condition in the cover opening thereby resisting movement of the handle of the electrical switch.
摘要翻译：锁定装置可插入到与电开关的手柄相邻的盖开口中，以占据盖开口中的空间以阻止手柄的移动。锁定装置具有两个枢转连接的构件。构件的枢转运动产生用于锁定装置的折叠状态或扩大状态。枢转构件具有当锁定装置处于其膨胀状态时相对于彼此对准的横向开口。当枢转构件折叠时，锁定装置插入到盖开口中。在第一实施例中，手柄护罩构件具有用于接收手柄的开口，并且第二构件沿着其底部具有腿部装置，用于当锁定装置处于其膨胀状态时接合围绕盖开口的下表面。在第二和第三实施例中，当锁定装置处于其膨胀状态时，两个枢转构件具有腿部装置，用于在罩开口周围啮合下表面。一旦构件的孔对准，则将挂锁插入其中，以将锁定装置保持在罩盖开口处的扩张状态，从而抵抗电开关手柄的移动。

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