A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
97/40
A01B 3/24 (2006.01) A01B 3/46 (2006.01) A01B 15/14 (2006.01)
Patent
CA 1077764
PLOW SYSTEM ABSTRACT OF THE DISCLOSURE A variable width furrow-spacing plow system em- bodied in an implement having a laterally adjustable tractor hitch, an angularly adjustable plow-carrying main frame, and hydraulic means for correlating the lateral movements of the hitch and angular position of the frame, to the end that for any given furrow spacing the hitch point of the implement will fall closer to the line of pull than has heretofore been possible, and minimum pulling force will be required to motivate the implement. The system embodies a pull bar or frame which has its forward end pivoted to the adjustable tractor hitch and its rear end pivoted to a medial region of the plow-carrying frame. A hydraulic ram controls the lateral adjustment of the hitch, while a second ram controls the angularity between the pull frame and the main frame. The two rams are phased for operation in unison under the control of a valve in the cab of the tractor. A third ram which also is phased with the two other rams, controls the attitude of a trailer section, and maintains such section in line with the direction of travel of the tractor.
309916
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