Earth working – Mounting for pushed tool at end of motor vehicle – Transversely mounted blade
Patent
1979-07-25
1981-05-26
Johnson, Richard J.
Earth working
Mounting for pushed tool at end of motor vehicle
Transversely mounted blade
37 2R, E02F 376
Patent
active
042692768
ABSTRACT:
A plow attachment assembly for a crawler-type tractor having an elevatable "C" frame which includes a first "V" shaped plow adapted to be rigidly secured to the "C" frame, a second "V" shaped plow which is roller supported for movement over the ground disposed ahead of the first plow and connected to the latter by a strut, the forward end of which is rigidly secured to the second plow and hingedly secured to the first plow for vertical swinging movement and a pair of telescopic spreader arms extending rearwardly from the second plow and having a hinged connection to the "C" frame for moving debris spread by the first plow laterally on opposite sides of the tractor and for levelling top soil plowed by the second plow laterally in the path of the tracks of the tractor.
REFERENCES:
patent: 2173406 (1939-09-01), Wilkinson
patent: 2364657 (1944-12-01), Proctor
patent: 2508284 (1950-05-01), Oliver
patent: 2832382 (1958-04-01), Lahar
patent: 2911735 (1959-11-01), Sanner
patent: 2990632 (1961-07-01), Noblin
patent: 3442035 (1969-05-01), Hymel
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