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    • 6. 发明授权
    • Trigger and latch bolt assembly
    • 扳机和闩锁组件
    • US4679416A
    • 1987-07-14
    • US637914
    • 1984-08-06
    • Raymond V. Kambic
    • Raymond V. Kambic
    • E05B47/00E05B55/12E05B55/00
    • E05B47/0012E05B55/12E05B2047/0024E05B2047/0031Y10T292/098Y10T292/0985Y10T292/1036Y10T70/5381Y10T70/5451Y10T70/5535
    • A lock mechanism includes a casing structure adapted to be mounted to one of a door and a door frame for cooperation with an apertured strike plate mounted to the other of the door and door frame. The lock mechanism further comprises a front plate for the casing structure with a pair of apertures therein and a latch bolt retractably mounted with respect to the casing structure and biased to an extended first position wherein a latching portion thereof extends from one of the front plate apertures for engagement with the strike plate aperture, and movable to a secnd retracted position. The latching portion of the latch bolt has a beveled leading surface located for engagement with the strike plate only when the latch bolt is moved a predetermined amount toward the retracted position. Retracting structure is operatively coupled with the latch bolt for effecting the predetermined amount of movement of the latch bolt toward said retracted position for effecting the desired positioning of the beveled leading surface thereof.
    • 锁定机构包括适于安装到门和门框之一的壳体结构,用于与安装到门和门框架中的另一个的有孔撞击板协作。 所述锁定机构还包括用于所述壳体结构的前板,其中具有一对孔,以及相对于所述壳体结构可伸缩地安装并且被偏压到延伸的第一位置的闩锁螺栓,其中闩锁部分从所述前板孔之一延伸 用于与撞板孔接合,并可移动到第二缩回位置。 闩锁螺栓的闩锁部分具有倾斜的前表面,其仅当闩锁螺栓朝向缩回位置移动预定量时才与撞击板接合。 缩回结构与闩锁螺栓可操作地联接,以实现闩锁螺栓朝向所述缩回位置的预定量的运动,以实现其斜面前表面的期望定位。