Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 31, 2011
Patent Application Number
12849162
Date Filed
August 3, 2010
Patent Primary Examiner
Patent abstract
A system for supporting a cutterbar of a crop harvesting header includes a first arm pivotably secured to the header. The first arm includes a first portion configured to support the cutterbar. The first arm includes a second portion including a torsion device having a mass of elastic material connected to an adjustment assembly. The second portion is configured to be pivotably rotatable about an 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.
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