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    • 52. 发明授权
    • Leaf switch
    • 叶开关
    • US4667066A
    • 1987-05-19
    • US770909
    • 1985-08-30
    • Sadao AndoSatoshi Saito
    • Sadao AndoSatoshi Saito
    • H01H1/26H01H11/06H01H13/12H01H13/64H01H9/00
    • H01H13/12H01H1/26H01H11/06H01H13/64
    • A plunger operated switch having a normally closed pair of contacts and a normally open pair of contacts, the normally closed pair of contacts including a movable contact carried on the free end of a first cantilevered resilient leaf member biased to separate the contacts, the normally open pair of contacts including a movable contact carried on the free end of a second cantilevered resilient leaf member biased to bring the contacts together. An actuator projection on the plunger bears against the first leaf member at a location substantially aligned with the contact thereon, and a further actuator on the plunger bears against the free end of the second resilient leaf member. The plunger is biased to urge the normally closed pair of contacts closed and the normally open pair of contacts open by a spring which is sufficiently strong to overcome the biases of the resilient leaf members.
    • 柱塞操作的开关,具有常闭触点和常开的触点对,常闭触点包括一个可移动触头,该可动触头承载在被偏置以分离触点的第一悬臂式弹性叶片的自由端上, 一对触点包括承载在第二悬臂弹性叶片构件的自由端上的活动触点,偏置以使触点接合在一起。 活塞上的致动器突起在与其上的接触件大致对准的位置处抵靠第一叶片构件,并且柱塞上的另一个致动器抵靠第二弹性叶片构件的自由端。 柱塞被偏压以促使常闭接触的一对触点闭合,并且常开的一对触点由具有足够强度以克服弹性叶构件的偏压的弹簧打开。