A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
97/71.6
A01B 5/04 (2006.01) A01B 69/08 (2006.01) B62D 7/00 (2006.01)
Patent
CA 1075070
ABSTRACT OF THE DISCLOSURE The invention provides a trailer vehicle or agricultural implement, such as a discer, having a rack-and-pinion steering mechanism. The vehicle or implement comprises a frame including a transverse, rigid and hollow frame member, a longitudinally extending frame member connected to said transverse frame member, a cross-member adapted to be connected to a hitch on said tractor, means for pivotally connecting said longitudinally extending frame member to said cross-member, steerable wheels mounted on the frame, and a steering linkage comprising a bar fitting snugly and slidable within said transverse frame member, a rack on the said bar, a pinion rotatably mounted with respect to the transverse frame member in mesh with the said rack, means for rotating said pinion comprising longitudinally extending link means pivotally connected at one end to the cross-member at a point spaced from the pivotal connection to the longitudinally extending frame member connected at the other end with said pinion, the rotation of the pinion imparting sliding motion to the bar within said transverse frame member, and means for linking the bar and the steerable wheels whereby sliding motion of the bar provides rotary motion to the steerable wheels.
248564
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