Roll opening device with header stabilizer

Details Roll opening device with header stabilizer Roll opening device with header stabilizer

1978-06-12

1979-11-20

Kinsey, Russell R.

Harvesters

Miscellaneous

56 144, A01D 4502

Patent

active

041746007

ABSTRACT:
A roll opening device is provided for a hay harvesting machine of the type having a wheel supported main frame and a laterally elongated crop harvesting header mounted to the frame by pivotal linkage, the header having a fixed lower conditioning roll and an upper roll mounted on lever arms pivoted on said header and biased by tension spring to an operating position adjacent the lower roll. A toggle link is pivotally mounted to the header at each end of the roll adjacent the roll lever arms and is connected thereto. Tensile members interconnect the free ends of the toggle links with the frame so that when the header is raised to the transport position, the tensile members open the rolls against the force of the tensioning springs.

REFERENCES:
patent: 3175343 (1965-03-01), Johnston et al.
patent: 3397520 (1968-08-01), Johnston et al.
patent: 3599405 (1971-08-01), Hurlburt et al.
patent: 3672135 (1972-06-01), Peacock et al.

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