DEVICE FOR ROLLING-IN AND ROLLING-OUT FOR AIR CIRCUIT BREAKER Russian patent published in 2010 - IPC H02B11/127 

FIELD: electricity.

SUBSTANCE: invention is intended for application in air circuit breaker, where rotation force is disconnected exactly at the moment of motion ceasing as breaker body reaches connected position, testing position or disconnected position in process of breaker body rolling-in into frame and rolling-out from it, and when required, drive joint is arranged. Connecting device comprises coupling with internal faceted part and internal peripheral circular part, which may move to a position, where driving force of rolling-in and rolling-out, generated by controlled handle, is sent to device of rolling-in and rolling-out, and also in position, where transmission of driving force for rolling-in and rolling-out is ceased.

EFFECT: prevention of device breakdown, when in process of breaker body rolling-in and rolling-out from frame, user applies excessive force to it, and also provision of possibility to perform accurate check-up of breaker body rolled-in and rolled-out conditions, which increases convenience of item usage.

10 cl, 16 dwg