Hay conditioner roll tensioning mechanism

Details Hay conditioner roll tensioning mechanism Hay conditioner roll tensioning mechanism

1989-01-17

1990-01-30

Kisliuk, Bruce M.

Harvesters

Miscellaneous

56DIG1, 241289, A01D 8200

Patent

active

048964832

ABSTRACT:
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 relative 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 position, 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.

REFERENCES:
patent: 1417389 (1922-05-01), Krider
patent: 3101578 (1963-08-01), Johnston
patent: 3472003 (1969-10-01), Case
patent: 3747310 (1973-07-01), Calder
patent: 3797207 (1974-03-01), Sawyer et al.
patent: 4035991 (1977-07-01), Oosterling et al.

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