Spring-powered drive assembly for opening and closing a switch

Details Spring-powered drive assembly for opening and closing a switch Spring-powered drive assembly for opening and closing a switch

1987-09-10

1989-01-24

Luebke, Renee S.

Electricity: circuit makers and breakers

Contact moved by sudden release of stored energy,

H01H 506

Patent

active

048002429

ABSTRACT:
A spring-powered drive assembly for opening and closing a switch such as one forming part of a high-voltage switch gear apparatus is disclosed herein along with its method of operation. The apparatus includes a drive arm which is adapted for connection with the switch to be opened and closed and movable in response to a certain minimum force from a first position to a second position, whereby to open the switch, and from the second position back to the first position, whereby to close the switch. The power required for moving the drive arm between these two extreme positions is provided by means of a single straight coil spring charged and discharged in one specific way to move the drive arm in one direction and charged and then discharged in a second way to move the drive arm in the opposite direction.

REFERENCES:
patent: 1400372 (1921-12-01), Newton
patent: 1988610 (1935-01-01), Schofield et al.
patent: 3772489 (1973-11-01), Wilson
patent: 3811022 (1974-05-01), Guidosh

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