Articulated harvester and method for converting a harvester...

Motor vehicles – Steering gear – With fluid power assist

Reexamination Certificate

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C280S443000

Reexamination Certificate

active

07143863

ABSTRACT:
An articulated harvester includes a powered harvester having a pair of forward wheels or tracks, having a pair of rotatable rearward caster wheels, and carrying an on-board harvester grain bin for housing harvested grain. The harvester tows a grain cart, which carries a grain cart bin for housing harvested grain. A joint assembly interconnects the harvester and the grain cart. The joint assembly includes a grain cart tongue that mates with the harvester. An articulation cylinder assembly connects the harvester and the grain cart tongue in the region of the joint assembly. Bi-directional, biased guide rods connect between the grain cart tongue and the caster wheels. The grain car may be steerable and/or powered. The harvester may be steerable by its pair of forward wheels or tracks. A conventional harvester and grain cart assembly can be converted into the novel articulated harvester.

REFERENCES:
patent: 3075233 (1963-01-01), Lorenz
patent: 4414794 (1983-11-01), Riedinger
patent: 4449727 (1984-05-01), Roos
patent: 6339917 (2002-01-01), Dillon et al.
patent: 7077220 (2006-07-01), Dunn et al.

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