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    • 1. 发明申请
    • ELECTRIC DOOR STRIKE HAVING A DEAD LATCH RELEASE PLATFORM ACTUATED BY A SPRING LATCH KEEPER AND A SPRING LATCH LIFTER FEATURE
    • 具有由弹簧保持器和弹簧锁扣特征致动的死锁释放平台的电动门
    • WO2012083039A2
    • 2012-06-21
    • PCT/US2011065198
    • 2011-12-15
    • HANCHETT ENTRY SYSTEMS INCSCHEFFLER DOMINIKSULLIVAN SCOTT
    • SCHEFFLER DOMINIKSULLIVAN SCOTT
    • E05B15/022E05B47/0004E05B47/0047Y10T292/699
    • An actuator-controlled strike comprising a housing disposable within a doorframe and including a chamber for receiving a spring latch and a dead latch of a mortise-type lockset. A keeper is pivotably mounted within the chamber to restrain the spring latch. A pivotable spring latch lifter is positively driven by the keeper, and a pivotable dead latch release platform is supported by the keeper when the spring latch is locked within the strike. The keeper is released by the actuator and then may be rotated which causes rotation of the dead latch release platform, allowing the dead latch to enter the chamber. The keeper positively drives the spring latch lifter to lift the spring latch onto the external ramp of the strike. On completion of a release cycle, the keeper positively returns the dead latch release platform to its initial position. In an alternate embodiment, an internal ramp feature may be used instead of the spring latch lifter.
    • 致动器控制的打击包括在门框内一次性使用的壳体,并且包括用于接收弹簧闩锁的腔室和榫眼型锁定器的死锁。 保持器可枢转地安装在腔室内以限制弹簧闩锁。 可枢转的弹簧闩锁升降器由保持器主动地驱动,并且当弹簧闩锁锁定在罢工期间时,可枢转的死锁释放平台由保持器支撑。 保持器由致动器释放,然后可以旋转,这导致死锁释放平台的旋转,允许死锁进入腔室。 保持器肯定地驱动弹簧闩锁提升器将弹簧闩锁提升到撞击的外部斜坡上。 在释放循环完成后,保持器将死锁释放平台正确地返回到其初始位置。 在替代实施例中,可以使用内部斜坡特征来代替弹簧闩锁提升器。