Unearthing plants or buried objects – Stone gathering and/or unearthing by impelling above-ground... – With underground stalk or root severing
Patent
1992-09-29
1994-05-10
Reese, Randolph A.
Unearthing plants or buried objects
Stone gathering and/or unearthing by impelling above-ground...
With underground stalk or root severing
172 44, 171 18, 171 63, A01B 4300, A01B 3919
Patent
active
053100085
ABSTRACT:
A rock picker includes a picker grate having a plurality of picker bars extending in a curved path forwardly and downwardly to a forwardmost end for engaging the rocks and lifting them onto the picker grate. A conventional sweeping reel sweeps the rocks to a hopper. The forward end of each of the grate bars includes a portion consisting of a vertical plate parallel to the direction of movement together with a rotating rod which extends across the full width of the picker and is supported by the cup-shaped forward ends of the grate bars. The rod improves the rock picking action and also allows the clearing of trash between the rod and the vertical plate portions exposed at the front of the grate bars. A second embodiment includes a further roe positioned with a trip mechanism forwardly and downwardly of the first rod.
REFERENCES:
patent: 2385895 (1945-10-01), Tramontini
patent: 2718110 (1955-09-01), Butler
patent: 2747354 (1956-05-01), Bloser
patent: 3661101 (1972-05-01), Parsons
patent: 3690383 (1972-09-01), Malley et al.
patent: 4159745 (1979-07-01), Hood et al.
patent: 4232745 (1980-11-01), Vivamontes
patent: 4913241 (1990-04-01), Haukaas
patent: 5141058 (1992-08-01), Heppner
Ade Stanley G.
Battison Adrian D.
Reese Randolph A.
Thrift Murray E.
Warnick Spencer
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