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1. 发明授权

US5243325A Latch gate alarm switch assembly 失效
标题翻译：闸门报警开关总成
公开(公告)号：US5243325A
公开(公告)日：1993-09-07
申请号：US811642
申请日：1991-12-23
申请人： Ricardo E. Marin , Marta C. Marin
发明人： Ricardo E. Marin , Marta C. Marin
IPC分类号： E05B45/08 , E05B63/00 , E05C3/14 , G08B13/08 , H01H3/16
CPC分类号： H01H3/163 , E05B45/083 , E05C3/14 , G08B13/08 , E05B63/0052 , Y10T292/1069
摘要： A switch assembly having a frame bracket with screw holes designed to permit easy and convenient attachment to the frame of a latch gate. The bracket is designed to support a switch arm, a portion of which engages the latch bar mounted on the door or gate of the latch gate. The switch arm includes a contact which is in electrical communication with a switch pole whenever the latch gate is not fully closed and secured. However, when the latch is fully secured, the switch assembly of the present invention is designed to permit the latch bar to engage the switch arm to interrupt electrical communication between the switch arm contact and the switch pole. Thus, the present invention is designed to provide a normally closed switch whenever a latch gate is not fully secured in its locked position for energizing an alarm circuit and to de-energize such an alarm circuit only when the latch gate is in its fully secured and locked position.
摘要翻译：一种开关组件，其具有带有螺孔的框架支架，设计成允许容易且方便地连接到闩锁门的框架。支架被设计成支撑开关臂，其一部分接合安装在闩锁门的门或门上的闩锁杆。开关臂包括一个接触器，每当闩锁门没有被完全关闭和固定时，触点与开关杆电连通。然而，当闩锁完全固定时，本发明的开关组件被设计成允许闩锁杆接合开关臂以中断开关臂触点和开关极之间的电连通。因此，本发明被设计成每当闩锁门没有完全固定在其锁定位置用于激励报警电路并且仅当闩锁门处于其完全固定状态并且使这种报警电路断电时，提供常闭开关，并且锁定位置。

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