Vibratory fruit harvester

Details Vibratory fruit harvester Vibratory fruit harvester

1979-11-19

1981-09-01

Hirsch, Paul J.

Harvesters

Fruit gatherer

Berry strippers

56328TS, A01D 4626, A01D 4628

Patent

active

042864267

ABSTRACT:
A harvesting apparatus for plants grown in rows, such as grapes, includes a vehicle having a support frame of an inverted U-shape and a shaker frame that also has an inverted U-shape and that is pivotally mounted to the vehicle support frame about a single axis that is parallel to the direction of travel of the vehicle. Striker bars are rigidly attached in spaced, opposing and parallel relation at the lower end of the shaker frame and at a height above ground level to engage the trunk of the plants. A non-positive oscillatory drive mechanism is attached to the upper end of the shaker frame to rock the frame about the single pivot axis to cause the striker bars to alternately impact opposite sides of the trunks. The drive mechanism consists of two eccentric weights rotatably mounted to the shaker frame above and equidistantly spaced from the pivot axis so that the center of gravity of the shaker frame, weights and other elements attached to the shaker frame is approximately coincidental with the pivot axis. The shaker frame includes frame sections adapted to scissor about the pivot axis so that the distance between the striker bars is greater than the diameters of the trunks to permit continuous harvesting, and a grape collection and conveyance system is also provided on the vehicle below the shaker frame.

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