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    • 4. 发明申请
    • SWITCHING MECHANISM CAPABLE OF INDICATING CONTACTS STATUS AND MOLD CASED CIRCUIT BREAKER HAVING THE SAME MECHANISM
    • 切换机构可指示联系人状态和模具断路器具有相同的机制
    • US20100163382A1
    • 2010-07-01
    • US12648350
    • 2009-12-29
    • Jin Young PARK
    • Jin Young PARK
    • H01H3/04
    • H01H71/501
    • Disclosed is a switching mechanism for a mold cased circuit breaker, capable of indicating a contacts status by a position of a handle. The switching mechanism comprises a handle; a lever providing a rotation supporting point of the handle; a shaft configured to rotatably support a movable contactor; a trip spring having an upper end supported by the handle, and configured to indicate a melt-adhered state of contacts by manipulating the handle to a TRIP position from an OFF position since a horizontal position of a lower end supporting point thereof in the TRIP position is discordant with a horizontal position of a rotation supporting point of the lever; a latch configured to restrict the trip spring; an upper link and a lower link; a toggle pin configured to support a lower end of the trip spring so as to provide the lower end supporting point; a latch holder; a nail rotatable to a position to restrict or release the latch holder; and an isolation lever having one end connected to the shaft and another end contactable to the nail, pressed by the lever by being upwardly moved so as to contact the lever, and configured to push the nail to a position to release the latch holder when manipulating the handle to an OFF position in a state that the contact of the movable contactor and the contact of the fixed contactor are melt-adhered to each other.
    • 公开了一种用于模具套管式断路器的切换机构,其能够通过手柄的位置指示接触状态。 切换机构包括手柄; 杠杆,提供手柄的旋转支撑点; 轴构造成可旋转地支撑活动接触器; 跳闸弹簧,其具有由手柄支撑的上端,并且构造成通过将手柄从关闭位置操纵到TRIP位置来指示触点的熔融粘合状态,因为其下端支撑点的水平位置处于TRIP位置 与杠杆的旋转支撑点的水平位置不一致; 闩锁,其构造成限制跳闸弹簧; 上链路和下链路; 肘节销构造成支撑脱扣弹簧的下端,以便提供下端支撑点; 闩锁支架 可旋转到限制或释放闩锁保持器的位置的指甲; 以及隔离杆,其一端连接到所述轴,另一端可与所述钉相接触,所述另一端通过所述杆被所述杆向上移动以与所述杆接触,以便与所述杆接触,并且构造成在操作时将所述钉推到一个释放所述闩锁保持器的位置 在活动接触器和固定接触器的接触件的接触彼此熔融粘合的状态下的OFF位置的手柄。