Shaking method and apparatus for moving masses between balanced

Details Shaking method and apparatus for moving masses between balanced Shaking method and apparatus for moving masses between balanced

1988-07-08

1990-02-27

Massie, IV, Jerome W.

Harvesters

Fruit gatherer

Tree shaker

A01D 4626

Patent

active

049034715

ABSTRACT:
A variable force tree shaker is disclosed which includes a non-rotatable housing having a two-piece shaft journaled therein. A fixed weight is rigidly connected to the shaft and an adjustable weight is pivotally connected to the shaft. At least one hydraulic cylinder is formed in the fixed weight and receives a piston which is connected to the adjustable weight by a piston rod. While the shaft is driven, an hydraulic controller directs hydraulic fluid into said at least one piston which moves the adjustable weight between a balanced position diametrically opposed to the fixed weight providing no shaking forces to the shaft, and a plurality of unbalanced positions imparting shaking forces of different intensities to the shaft.

REFERENCES:
patent: 3564825 (1971-02-01), Gould et al.
patent: 3964244 (1976-06-01), Vallecella
patent: 4194347 (1980-03-01), Peters
patent: 4776156 (1988-10-01), Brown et al.
American Society of Agricultural Engineers Article, Paper No. 87-1576 by H. A. Affeldt, Jr., G. K. Brown, J. B. Gerrish and T. A. Esch, 12/1987.

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