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1. 发明申请

US20090107189A1 FIRE DOOR LOCK 有权
标题翻译：消防门锁
公开(公告)号：US20090107189A1
公开(公告)日：2009-04-30
申请号：US11877677
申请日：2007-10-24
申请人： CHING-TIEN LIN
发明人： CHING-TIEN LIN
IPC分类号： E05B65/10
CPC分类号： E05B65/106 , E05B17/2034 , E05B57/00 , E05B65/1006 , Y10T70/5155 , Y10T292/0908
摘要： A fire door lock includes a base assembly including first and second slide blocks, a locking control assembly including a movable seat forming a groove and a tongue control plate movably mounted to one side of the locking control assembly, and a winglet assembly including first and second winglets both having a boss movably received in the groove of the movable seat and both being respectively and rotatably coupled to the first and second slide blocks. Thus, when the movable seat is driven by a handle, the movable seat moves the first and second slide blocks to withdraw first and second latch bars to unlock the fire door and when the fire door is closed, the tongue control plate is actuated to allow the movable seat to return to the locked condition and the first and second latches and a tongue are stretched out to realize three-directional locking.
摘要翻译：防火门锁包括：基座组件，包括第一和第二滑动块;锁定控制组件，包括形成凹槽的活动座和可移动地安装在锁定控制组件的一侧的舌片控制板;以及小翼组件，其包括第一和第二两个翼片都具有可移动地容纳在可动座的凹槽中的凸台，并且两个分别可旋转地联接到第一和第二滑动块。因此，当可动座椅由手柄驱动时，可移动座椅移动第一和第二滑动块以撤回第一和第二闩锁以解锁防火门，并且当防火门关闭时，舌片控制板被致动以允许可动座椅返回到锁定状态，第一和第二闩锁和舌头伸出以实现三向锁定。

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