Vacuum contactor kickout spring adjustment apparatus

Details Vacuum contactor kickout spring adjustment apparatus Vacuum contactor kickout spring adjustment apparatus

1983-04-19

1985-03-12

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Vacuum or hermetically sealed type

335132, 335274, H01H 902, H01F 708

Patent

active

045048088

ABSTRACT:
A vacuum contactor kickout spring adjustment apparatus providing for the controllable increase or decrease in the force of the kickout spring. The apparatus permits the insertion or removal of the kickout spring at a force substantially less than the normal operating force of the spring. The apparatus includes a base having a U-shaped bracket mounted thereto. Rotatively mounted intermediate the legs of the bracket is a locking block. A lever pivotally mounted on the base engages one end of the kickout spring. A rod engages the locking block and lever such that movement in one direction moves the lever to increase the force and the spring while the movement of the rod in the opposite direction accuses a decrease in the force of the spring.

REFERENCES:
patent: 2323702 (1943-07-01), Berkey
patent: 2585684 (1952-02-01), Roggenstein

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