A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
97/17
A01B 3/30 (2006.01) A01B 3/42 (2006.01) A01B 3/426 (2006.01)
Patent
CA 1152803
ABSTRACT REVERSIBLE PLOUGH A reversible plough has a headstock formed from upper and lower parts (7,3) hingedly connected about a transverse axis (9), the reversing spindle (17) being mounted in the lower headstock part (3) and carrying a crank arm (21) connected by a link (23) to the upper headstock part (7). As the reversing spindle is rotated, relative hinging movement between the two headstock parts causes the reversing spindle to tilt in a vertical plane, the load in said link (23) counterbalancing to a degree the offset centre of gravity of the plough frame and reducing the torque required to reverse the plough frame.
357614
Goudreau Gage Dubuc
Ransomes Sims & Jefferies Limited
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