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    • 48. 发明授权
    • Circuit board latch and removal signal generator
    • 电路板锁存和去除信号发生器
    • US06567264B2
    • 2003-05-20
    • US09966654
    • 2001-09-28
    • George D. Megason
    • George D. Megason
    • H01H906
    • G06F1/185G06F1/184G06F1/186
    • A combination mechanical latch and electrical switch. The latch comprises a shaft having a knob on one end for manual actuation and a pawl for providing a latching/unlatching action. The latch shaft passes through a rotary electrical switch with a hole through its axis of rotation. The shaft is coupled to the rotating contactor of the rotary switch so that the contactor acts as a bearing for the rotation of the shaft. The latch is mechanically engaged when the switch is in one position and is disengaged when the switch is in the other position. Mechanical latching and unlatching are thus achieved approximately simultaneously with electrical on and off switching. The mechanical latch portion of the latch/switch combination can be used to prevent removal of a component of an electronic computing system until the switch signals the computer's operating system that the removal is about to occur.
    • 组合机械闩锁和电气开关。 闩锁包括具有用于手动致动的一端上的旋钮的轴和用于提供闩锁/解锁动作的棘爪。 闩锁轴通过带有孔的旋转电气开关通过其旋转轴。 轴连接到旋转开关的旋转接触器,使得接触器用作用于轴的旋转的轴承。 当开关处于一个位置时,闩锁机械地接合,并且当开关处于另一位置时,闩锁被分离。 因此,与电开关切换大致同时实现机械闭锁和解锁。 闩锁/开关组合的机械闩锁部分可以用于防止电子计算系统的部件的移除,直到交换机向计算机的操作系统发出信号,即移除将要发生。