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2. 发明授权

US06459059B1 Return spring for a circuit interrupter operating mechanism 有权
标题翻译：回路弹簧用于断路器操作机构
公开(公告)号：US06459059B1
公开(公告)日：2002-10-01
申请号：US09527479
申请日：2000-03-16
申请人： Randy Greenberg , Roger N. Castonguay , Dave Christensen , Hassan Girish
发明人： Randy Greenberg , Roger N. Castonguay , Dave Christensen , Hassan Girish
IPC分类号： H01H2300
CPC分类号： H01H1/2058 , H01H71/04 , H01H71/52 , H01H2071/046
摘要： A return spring mechanism is arranged to operate with a circuit breaker operating mechanism during a trip condition. The circuit breaker operating mechanism is movable between a tripped position, a reset position, an off position and an on position. The return spring mechanism is attached to the exterior of the circuit breaker frame and includes a return spring with a fixed end attached to the frame. When the circuit breaker is tripped, the return spring mechanism operates to provide an additional force to the handle yoke. The additional force applied by the return spring is predetermined to position the handle yoke intermediate to the handle yoke positions when the circuit breaker is off and on. Thus, the movement of the handle yoke to the intermediate position provides clear indication that the circuit breaker is in the tripped condition.
摘要翻译：复位弹簧机构布置成在跳闸状态期间与断路器操作机构一起操作。断路器操作机构可在跳闸位置，复位位置，断开位置和接通位置之间移动。复位弹簧机构附接到断路器框架的外部，并且包括具有附接到框架的固定端的复位弹簧。当断路器跳闸时，复位弹簧机构操作以向手柄轭提供额外的力。当断路器断开并接通时，由复位弹簧施加的附加力是预定的，以将手柄轭中间定位到手柄轭位置。因此，把手轭到中间位置的移动提供了断路器处于跳闸状态的清楚指示。

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