Cutterbar adjustment support for a crop harvesting header

Details Cutterbar adjustment support for a crop harvesting header Cutterbar adjustment support for a crop harvesting header

2010-11-17

2011-11-08

Fabian-Kovacs, Arpad (Department: 3671)

Harvesters

Cutting and conveying

Reciprocating-cutter type

Reexamination Certificate

active

08051633

ABSTRACT:
A system for supporting a cutterbar of a crop harvesting header includes an adjustment assembly including a first arm pivotably secured to the header. The first arm includes a first portion configured to support the cutterbar, and a second portion including a torsion device having a mass of elastic material connected to the adjustment assembly. The second portion is configured to be pivotably rotatable about a first axis by the adjustment assembly to selectably increase or decrease a force appliable to the first portion in order to raise or lower the first portion with respect to the header. The system further includes a connecting lever having one end pivotally connected to an interconnecting member and another end coupled to the second arm, wherein the connecting lever has a pivot portion for rotation about a second axis, the second axis is perpendicular to the first axis.

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