Spring-force drive for a power switch

Details Spring-force drive for a power switch Spring-force drive for a power switch

1990-02-22

1991-02-26

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200568, H01H 3366

Patent

active

049963970

ABSTRACT:
Two disks per vacuum switch tube are mounted on a drive shaft, the disks having grooves running around the drive shaft and open in relation to one another. In the grooves of two of these disks, a cylindrical follower is guided, the movement of which is transmitted via a link to a swivel lever and to a movable switch contact. The drive shaft is driven, supported via a releasable support member in the switch-on and in the switch-off position, in a clockwise direction by the spiral spring in order to switch off or switch on the power switch. The follower is restrictedly guided in the grooves of the disks, whereby the position of the movable switch contact is obliged to correspond to the corresponding rotation position of the drive shaft.

REFERENCES:
patent: 3204049 (1965-08-01), Norman
patent: 3415957 (1968-12-01), Bleibtreu et al.
patent: 4727229 (1988-02-01), Hodkin

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