Agricultural bi-mower with cantilever beam suspension

Harvesters – Motorized harvester – Including motorized vehicle causing transit of harvester

Reexamination Certificate

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Reexamination Certificate

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06837033

ABSTRACT:
A mower has a pair of cutter heads which are pivotally supported by respective cantilever beams. The cantilever beams are pivotally coupled with a hitch assembly, which in turn is coupled with a traction unit via two lower lift arms and a floatable top link. The floatable top link allows the hitch assembly to float relative to the traction unit during transport. A hydraulic cylinder interconnected between the cantilever beams pivots the beams between a transport position and a working position. Stops on the hitch assembly limit pivotal movement of the beams relative to the hitch assembly.

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patent: 5727371 (1998-03-01), Kieffer et al.
patent: 6349529 (2002-02-01), Neuerburg et al.
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patent: 0 756 813 (1997-02-01), None
patent: 0882386 (1998-12-01), None
patent: 1 094 356 (1955-05-01), None
patent: WO 9501715 (1995-01-01), None
Published US application—US 2002/017090 A1, published Sep. 5, 2002.

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