Crop harvesting machine header suspension system

Details Crop harvesting machine header suspension system Crop harvesting machine header suspension system

1978-04-21

1979-07-31

Eskovitz, Jay N.

Harvesters

Platform adjustments

56 158, 56DIG1, A01D 4700

Patent

active

RE0300560

ABSTRACT:
A crop harvesting machine has a mobile frame adapted to move across a field, an elongated crop material harvesting header and an improved pair of assemblies laterally spaced apart along the frame for suspending the header from the frame. Each of the assemblies includes a lower link pivotally interconnecting a lower portion of the header and a lower portion of the frame and an upper link pivotally mounted on an upper frame portion and having front and rear portions which respectively extend forwardly and rearwardly from the location of pivotal mounting of the upper link on the upper frame portion. The front portion of each upper link is pivotally connected to an upper header portion. Each of the assemblies further includes a resilient spring coupled to the rear portion of one upper link and extending therefrom downwardly and coupled to the lower frame portion so as to counterbalance the weight of the header and thereby support the header in an operating position relative to the field, while at the same time enable the header to floatingly follow the contour of the field, as the mobile frame moves across the field.

REFERENCES:
patent: 2807127 (1957-09-01), Scheidenhelm
patent: 3545186 (1970-12-01), Glass
patent: 3699754 (1972-10-01), Koch et al.
patent: 3780508 (1973-12-01), Tashiro
patent: 3834142 (1974-09-01), Johnston et al.

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