Power drive for electric switchgear in which driving power is el

Details Power drive for electric switchgear in which driving power is el Power drive for electric switchgear in which driving power is el

1981-04-13

1984-09-04

Pate, III, William F.

Machine element or mechanism

Mechanical movements

Reciprocating to or from oscillating

335 76, 335186, H01H 322, H01H 7170

Patent

active

044689772

ABSTRACT:
Disclosed is a power drive for electric switchgear in which the driving force is elastically transmitted to an actuating member, for example, a handle. Thereby, tolerance compensation is provided to allow the drive motor to run into the end positions of the drive. A bending-type spring is disclosed as an elastic power transmitting member which is arranged transversely to the direction of motion of a slide which transmits the driving force to the switchgear. The bending-type spring can be connected to the slide. The bending-type spring can be a leaf spring, and more particularly two parallel leaf springs. In the disclosed embodiments, the two parallel leaf springs are provided as a single U-shaped leaf spring having parallel legs. The U-shaped leaf spring can either be supported at both ends thereof in the slide or the legs can be fastened in a mounting body connected to the slide.

REFERENCES:
patent: 2180561 (1939-11-01), Blood
patent: 2237530 (1941-04-01), Olley
patent: 3171920 (1965-03-01), Klein et al.
patent: 3213235 (1965-10-01), Soos
patent: 3328731 (1967-06-01), Huska
patent: 3551921 (1971-06-01), Fox
patent: 3590648 (1971-07-01), Gorman

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