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1. 发明授权

US4050725A Latch assembly 失效
标题翻译：锁定装配
公开(公告)号：US4050725A
公开(公告)日：1977-09-27
申请号：US671531
申请日：1976-03-29
申请人： William Crawford Wilson , David Bowen Anderson
发明人： William Crawford Wilson , David Bowen Anderson
IPC分类号： E05C3/34 , E05C21/00
CPC分类号： E05C3/34 , Y10T292/444 , Y10T292/707
摘要： A latch assembly which both selectively latches and accurately positions separable members relative to one another. The latch assembly includes pawls pivotably mounted on a first member, the first member being biased toward a separated position relative to a second member. The pawls, which are biased toward a latched position, are interconnected by a handle for selectively urging the pawls toward an unlatched position. The first member supports guide pins adjacent to the pawls, the guide pins having a positioning flange located thereon. The second member carries latching posts having a recess for receiving the guide pins and a shoulder accurately positionable relative to the second member. The shoulders have oppositely facing surfaces, one surface engageable by the flange of the guide pin and the other by a latching surface of the pawl when the first member is in its latched position. A compression spring located on the guide pins between the flange and the first member urges the members in the direction of separation when the surfaces of the shoulder are engaged by the flange and the latching surface of the pawl to effect positive latching action therebetween.
摘要翻译：一种闩锁组件，其两者都选择性地锁定并且相对于彼此准确地定位可分离构件。闩锁组件包括可枢转地安装在第一构件上的棘爪，第一构件被朝向相对于第二构件的分离位置偏置。朝向锁定位置偏压的棘爪通过手柄相互连接，用于选择性地将棘爪推向解锁位置。第一构件支撑与棘爪相邻的导向销，导向销具有位于其上的定位凸缘。第二构件承载具有用于接收引导销的凹部和相对于第二构件可精确定位的肩部的闩锁柱。肩部具有相对的表面，当第一构件处于其锁定位置时，一个表面可由引导销的凸缘接合，另一个表面由棘爪的锁定表面接合。位于凸缘和第一构件之间的引导销上的压缩弹簧在肩部的表面与凸缘和棘爪的锁定表面啮合时，沿着分离方向推动构件，从而在它们之间产生正的锁定作用。

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