Elevator governor

Details Elevator governor Elevator governor

1983-10-14

1985-12-03

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 89, 188184, 254267, B66B 504

Patent

active

045561559

ABSTRACT:
A flywheel or disc rotates around a circular stationary surface, for example, a shaft, the disc is configured relative to the stationary surface so as to define the tapered area or gap at diametrically opposite positions. Two flyweights that are mounted on the disc and mechanically interconnected pivot on the disc radially outward as the disc speed increases. A pair of rollers are located in the space between the disc and the stationary surface, and, as the weights move radially outward, are progressively forced into the tapered area or gap, eventually contacting the stationary surface where they are wedged in the gap, abruptly stopping the rotation of the disc. The counterweights' center of masses and the pivot points are such that the centrifugal force of one weight is slightly greater than the other. An overspeed switch is operated by the weights at a certain speed.

REFERENCES:
patent: 947150 (1910-01-01), Downey et al.
patent: 1101726 (1914-06-01), Catucci
patent: 3273671 (1966-09-01), Vrana
patent: 3327811 (1967-06-01), Mastroberte
patent: 3762512 (1973-10-01), McIntyre
patent: 4029177 (1977-06-01), Fiss
patent: 4333549 (1982-06-01), Davis

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