DISCONNECTING SWITCH WITH GROUND BLADES AND MECHANICAL INTERLOCKING DEVICES Russian patent published in 2002 - IPC

FIELD: indoor and outdoor high-voltage movable-blade disconnecting switches. SUBSTANCE: disconnecting switch has at least one pole with base, support insulators, ground blades with contact springs, mechanical devices for interlocking operating shaft of disconnecting-switch movable contact blade with shafts of ground blades, contact terminals, break and axial fixed contacts with effective surfaces contacting ground switches; each ground blade is provided with loop-shaped contact holder rigidly coupled with respective ground blade that has two lengthwise L-section contact members with bent-out part disposed on shaft end of ground blade. EFFECT: reduced size, enhanced reliability. 5 cl, 4 dwg