Mechanical tree shaker for fruit harvesting

Details Mechanical tree shaker for fruit harvesting Mechanical tree shaker for fruit harvesting

1994-09-07

1997-01-21

Lisehora, James A.

Harvesters

Fruit gatherer

Tree shaker

A01D 4600

Patent

active

055950540

ABSTRACT:
The low power agricultural mechanical tree shaker for fruit harvesting using phase-controlled linear impact vibrations includes an adjustable springs set (FIG. 3) (8) that connects the vibrator set (FIG. 1) (1) to the clamp/trunk or limb set (FIG. 1) (4) (FIG. 5) through the guiding system (FIG. 3) (9, 10, 18, 19) and allows to set the spring tension for resonance vibration after attaching the shaker to a particular tree. Consequently, the vibration of the shaker set will have an adjustable phase angle between the shaker set and the clamp/trunk or limb set, between 0.degree. and 360.degree.. The clamp has the form of a fork (FIG. 5) and includes a set of vulcanized asymmetric grips (FIGS. 3 and 5) (15), a vulcanized chains set (FIG. 5 (17), for the attachment of the clamp to the tree.

REFERENCES:
patent: 3077721 (1963-02-01), Balsbaugh
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patent: 3206919 (1965-09-01), Read
patent: 3392517 (1968-07-01), Nye
patent: 3494654 (1970-02-01), Gould et al.
patent: 3509702 (1970-05-01), Rickerd
patent: 3548578 (1970-12-01), Shipley, Jr.
patent: 3594999 (1971-07-01), Savage
patent: 3650099 (1972-03-01), Sitter
patent: 3696597 (1972-10-01), Sitter
patent: 3924390 (1975-12-01), Alexander
patent: 4893459 (1990-01-01), Orlando

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