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    • 4. 发明专利
    • Switching mechanism for motor protection breaker
    • 电机保护断路器切换机构
    • JP2005197253A
    • 2005-07-21
    • JP2004376482
    • 2004-12-27
    • Lg Industrial Syst Co Ltdエルジー産電株式会社
    • BONG-SOO SHIN
    • H01H33/42H01H71/00H01H71/12H01H71/42H01H71/46H01H71/50
    • H01H71/50H01H71/121H01H71/46H01H71/505
    • PROBLEM TO BE SOLVED: To provide a switching mechanism for a motor protection breaker preventing a phenomenon in which a latch holder is incompletely released from a lock state of a trip lever at a trip operation of the switching mechanism during use of the breaker.
      SOLUTION: A latch 2 is smoothly inserts between both side pins (4a), (4b) of a latch holder (4) rotating by a prescribed angle at a reset operation of a switching mechanism (1) to prevent the breakage of the mechanism (1) by forcibly pushing up a top lever (3) to be completely released the restriction of the latch holder (4) in any case even if the latch holder (4) is incompletely released from the restriction of the trip lever (3) at the trip operation of the mechanism (1) during the use of the breaker.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于电动机保护断路器的开关机构,防止在断路器的使用期间在开关机构的跳闸操作期间闩锁保持器从脱扣杆的锁定状态不完全释放的现象 。 解决方案:在切换机构(1)的复位操作下,闩锁2平滑地插入在转动机构(1)的复位操作下旋转指定角度的闩锁保持器(4)的两个侧销(4a),(4b)之间,以防止断开 即使闩锁保持器(4)从脱扣杆的限制中不完全地脱离,也可以通过强制地将顶杆(3)向上推动以完全释放闩锁保持器(4)的限制的机构(1) 3)在断路器使用期间机构(1)的跳闸操作。 版权所有(C)2005,JPO&NCIPI