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    • 2. 发明申请
    • ELECTRICAL SWITCH WITH POSITIVE STATUS INDICATION
    • 具有积极状态指示的电气开关
    • US20080308393A1
    • 2008-12-18
    • US12138534
    • 2008-06-13
    • Albert Jozef Peter POSTMUS
    • Albert Jozef Peter POSTMUS
    • H01H9/28
    • H01H9/20H01H9/286H01H2009/288
    • An electrical switch includes a rotary switch actuator device, and an actuator locking device. The actuator locking device inhibits the rotation of the rotary switch actuator device when the contacts of the switch are closed. Only when the operator tries to open the switch with an operating handle and the contacts do actually open, a lock release device will release the actuator locking device, and allow the operator to move the operator handle to the position corresponding to the open condition. When the contacts do not open, e.g., because they are welded, the actuator locking device will remain locked and the handle movement is blocked. This provides a robust and safe switch that never gives a false “OFF” indication.
    • 电气开关包括旋转开关致动器装置和致动器锁定装置。 当开关的触点闭合时,致动器锁定装置禁止旋转开关致动器装置的旋转。 只有当操作员尝试用操作手柄打开开关并且触点确实打开时,锁定释放装置将释放致动器锁定装置,并允许操作者将操作者手柄移动到与打开状态相对应的位置。 当触点不打开时,例如由于它们被焊接,致动器锁定装置将保持锁定并且手柄移动被阻挡。 这提供了一个坚固而安全的开关,从不给出假的“OFF”指示。
    • 3. 发明授权
    • Electrical switch with positive status indication
    • 具有正状态指示的电开关
    • US08039768B2
    • 2011-10-18
    • US12138534
    • 2008-06-13
    • Albert Jozef Peter Postmus
    • Albert Jozef Peter Postmus
    • H01H9/20
    • H01H9/20H01H9/286H01H2009/288
    • An electrical switch includes a rotary switch actuator device, and an actuator locking device. The actuator locking device inhibits the rotation of the rotary switch actuator device when the contacts of the switch are closed. Only when the operator tries to open the switch with an operating handle and the contacts do actually open, a lock release device will release the actuator locking device, and allow the operator to move the operator handle to the position corresponding to the open condition. When the contacts do not open, e.g., because they are welded, the actuator locking device will remain locked and the handle movement is blocked. This provides a robust and safe switch that never gives a false “OFF” indication.
    • 电气开关包括旋转开关致动器装置和致动器锁定装置。 当开关的触点闭合时,致动器锁定装置禁止旋转开关致动器装置的旋转。 只有当操作员尝试用操作手柄打开开关并且触点确实打开时,锁定释放装置将释放致动器锁定装置,并允许操作者将操作者手柄移动到与打开状态相对应的位置。 当触点不打开时,例如由于它们被焊接,致动器锁定装置将保持锁定并且手柄移动被阻挡。 这提供了一个坚固而安全的开关,从不给出假的“OFF”指示。