Switch drive for a rotary switch

Details Switch drive for a rotary switch Switch drive for a rotary switch

1987-08-12

1988-09-13

Luebke, Renee S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

74 54, H01H 354

Patent

active

047711426

ABSTRACT:
A switch drive for a rotary switch includes a toothed gearing which is driven by an electromotor at its input and is provided with a switch drive shaft at its output. For obtaining a high switching speed upon soft initiation and especially soft termination of the switching process, the switch drive shaft 14 is connected in a rotation-fixed manner with a switch arm 12 which is engaged by an engaging member 10 supported eccentrically by a gear 6. The gear 6 is driven by the electromotor via a pinion 5. The engaging member 10 is arranged eccentrically to the switch drive shaft 14 such that the engaging member 10 describes with respect to the circle as described by the switch arm 12 either a hypocycloid or an arc with characteristics of an epicycloid.

REFERENCES:
patent: 4018090 (1977-04-01), Brems

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