Variable eccentricity mass for mechanical shakers

Details Variable eccentricity mass for mechanical shakers Variable eccentricity mass for mechanical shakers

1987-05-13

1988-10-11

Hirsch, Paul J.

Harvesters

Fruit gatherer

Tree shaker

A01D 4626

Patent

active

047761563

ABSTRACT:
Means to control imbalance of an eccentric mass connected to a rotating shaft in a shaker housing wherein the eccentric mass is adjacent to but is not fixedly connected to the shaft, wherein a first end of the mass is connected to a mass moving means which can move one end of the mass to a plurality of different distances from the rotating shaft, and is able to hold that end of the mass at each of these distances during rotation; wherein a second end of the mass is restrained from centrifugal movement during rotation of the shaft.

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patent: 3771768 (1973-11-01), Gebendinger
patent: 3793815 (1974-02-01), Hughes
patent: 4064683 (1977-12-01), Tennes et al.
patent: 4152881 (1979-05-01), Hoff
patent: 4170100 (1979-10-01), Hood, Jr.
patent: 4669590 (1987-06-01), Zindler et al.

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