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    • 5. 发明授权
    • Door lock actuator
    • 门锁致动器
    • US6067826A
    • 2000-05-30
    • US329847
    • 1999-06-11
    • John C. HollowayThomas P. SchregardusThomas L. RorabacherFrancis Hlavaty
    • John C. HollowayThomas P. SchregardusThomas L. RorabacherFrancis Hlavaty
    • E05B65/12E05B47/06
    • E05B81/25
    • A door lock actuator including a single non-reversible drive motor for generating step-wise rotation of an output shaft through an indexing assembly which is decoupled from the motor during periods of operation. The indexing assembly includes an index pin plate coupled to a drive gear for rotation therewith. The plate includes a plurality of spaced pins which are positioned to contact a rotating paddle driven by the drive motor. The paddle successively contacts the pins in a portion of its rotation to cause corresponding rotation of the drive gear and the output gear which is meshingly engaged therewith. The output gear is coupled to an output shaft having twin cams positioned thereon for manipulating door latch pawls to control the door lock state. An override mechanism is provided which includes top and bottom override arms driven by rotation of a key in the key cylinder. The top override arm can be activated to place the output cams in a "double unlock" condition, while the bottom override arm can be activated to place the output cams in a "double lock" position.
    • 一种门锁致动器,其包括单个不可逆驱动马达,用于通过分度组件产生输出轴的逐步旋转,分度组件在操作期间与马达脱离。 分度组件包括联接到驱动齿轮以与其一起旋转的分度销板。 板包括多个间隔开的销,定位成接触由驱动马达驱动的旋转叶片。 桨叶在其旋转的一部分中连续地接触销,以使驱动齿轮和与其啮合的输出齿轮相应地旋转。 输出齿轮联接到具有双凸轮的输出轴上,用于操纵门闩爪以控制门锁状态。 提供了一种超越机构,其包括通过钥匙筒中的钥匙的旋转而驱动的顶部和底部超越臂。 可以激活顶部超驰臂将输出凸轮置于“双重解锁”状态,而底部倍率臂可以被激活以将输出凸轮放置在“双重锁定”位置。