Cutterbar floatation system

Details Cutterbar floatation system Cutterbar floatation system

1978-09-01

1980-06-10

Eskovitz, Jay N.

Harvesters

Motorized harvester

Including motorized vehicle causing transit of harvester

56208, A01D 4700

Patent

active

042065836

ABSTRACT:
A crop harvesting header for a self-propelled combine. The header includes a "floating" cutterbar which is flexible and movable up and down so as to cut a standing crop (soybeans, for example) close to the ground to minimize crop losses. The flexibility and movement enable the crop to be cut closely to the ground even though the ground is uneven or undulating across and along the harvesting path. The cutterbar is mounted on a plurality of ground-engaging structures including runners upon which a counterbalancing system imposes pre-selected forces to control the ground pressure of the cutterbar as ground and crop conditions vary. The counterbalancing system provides a substantially constant ground pressure throughout cutterbar movement. The effect of the system is to moderate or eliminate the variations which come from spring force changes.

REFERENCES:
patent: 3959957 (1976-06-01), Halls
patent: 4011709 (1977-03-01), Mott et al.

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