Drive device without transmission for producing an elliptical sh

Details Drive device without transmission for producing an elliptical sh Drive device without transmission for producing an elliptical sh

1978-07-07

1980-07-15

Cuchlinski, Jr., William A.

Classifying, separating, and assorting solids

Sifting

Elements

74 61, B07D 144

Patent

active

042127319

ABSTRACT:
A drive device for oscillating a spring-suspended device, such as a sieve or transport device, into an elliptical translational movement with a minimum of rotation. Two unequal and eccentrically arranged oscillation masses, rotatably fixed to the device, are rotationally driven each by a motor independent of the other. If the axes of rotation for the two masses are arranged in a certain geometry relative to the center of mass, the device will oscillate with a substantially pure translational, elliptical movement free of tipping movement.

REFERENCES:
patent: 2542227 (1951-02-01), Bernhard
patent: 2938393 (1960-05-01), Dunn et al.
patent: 3053379 (1962-09-01), Roder et al.
patent: 3226989 (1966-01-01), Robins
patent: 3659465 (1972-05-01), Oshima et al.

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