Rock picker

Details Rock picker Rock picker

1976-01-30

1977-08-09

Kinsey, Russell R.

Unearthing plants or buried objects

Stone gathering and/or unearthing by impelling above-ground...

A01B 4300

Patent

active

040404897

ABSTRACT:
Conventional rock pickers usually consist of a rotary rake or a fixed prong assembly. The present device incorporates both systems and provides further for raising and lowering both the prong assembly and the rotary rake relative to the ground and secondly, it provides an hydraulic drive for the rotary rake so that both the speed and direction of rotation of the rotary rake can be controlled by the operator.

REFERENCES:
patent: 300173 (1884-06-01), Weatherbee
patent: 2732672 (1956-01-01), Fleischman
patent: 2751745 (1956-06-01), Magee
patent: 2781623 (1957-02-01), Anderson
patent: 3356158 (1967-12-01), Deaver et al.
patent: 3599724 (1971-08-01), Fraske et al.

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