Hay conditioner roll tensioning mechanism

Details Hay conditioner roll tensioning mechanism Hay conditioner roll tensioning mechanism

A - Human Necessities

01

D

56/4

A01D 82/00 (2006.01)

Patent

CA 1273806

Abstract of the Disclosure In a crop conditioner having a frame and first and second rolls each rotatable about an axis of rotation, a mounting assembly for the first roll includes a sub-assembly at each end of the first roll which permit the first roll to be pivoted re- lative to the second roll. Each sub-assembly has a mounting plate rotatably supporting one end of the first roll and supported on the frame for pivotal movement about a pivot axis which is generally parallel to and displaced from the axis of rotation of the first roll such that the axis of rotation of the first roll is movable relative to the axis of rotation of the second roll between a first posi- tion, a second position and a third position. The second and third positions of the first roll are progressively farther away from the axis of rotation of the second roll than the first position. A biasing force is exerted on the mounting plate and the first roll which acts in a direction generally toward the second roll, the biasing force has a magnitude which is less when the first roll is located between the second and third positions than when the first roll is located between the first and second positions.

610088

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