VACUUM SWITCH Russian patent published in 1995 - IPC

FIELD: electric devices. SUBSTANCE: device has at least one chamber for arc quenching and drive which is connected via tie-rod to chamber contacts loading mechanism which is made as fork with groove. This mechanism is mounted in bushing sleeve for relative rotation around axis which goes through fork groove and connects sleeve to fork. In addition device has loading springs which is supported by washer fixed to sleeve with locking ring. It is mounted in groove of sleeve. Tie-rod is rigidly attached to sleeve with screw joint. EFFECT: increased functional capabilities. 3 cl, 3 dwg