ROCKER-FREE DISCONNECTING SWITCH Russian patent published in 2004 - IPC

FIELD: high-voltage circuit-opening devices for power circuits. SUBSTANCE: three-phase disconnecting switch has rocker-free secured frame, insulators shifted in phase 90 deg. apart, and wire whose axis crosses intersection point of insulator axes. Hinged on operating mechanism axis are driving dogs terminating in hooks for turning about axis and hinged on insulator axes are clamps mounting driven dogs terminating in eyes. Hook of each driving dog is inserted in eye of respective driven dog. EFFECT: enhanced operating reliability. 1 cl, 2 dwg