Reversible feed roller with radially extendible fingers

Details Reversible feed roller with radially extendible fingers Reversible feed roller with radially extendible fingers

2008-07-01

2008-07-01

Will, Thomas B (Department: 3671)

Harvesters

Raking and loading

Lifting reels

C198S613000

Reexamination Certificate

active

07392646

ABSTRACT:
A feed roller primarily for feeding crop into a feeder house of a combine harvester is located above and behind a feed draper and includes an outer flight and retractable fingers for feeding the crop through the zone behind the draper and into the feeder house. The fingers rotate about a finger axis offset from the roller axis so that they extend to a maximum at the draper and are retracted behind the roller to release the crop. When the roller is reversed to release a blockage, the fingers are also reversed in direction and the finger axis is moved rearwardly to the opposite side of the roller so that the fingers are extended behind the roller at the feeder house and retracted at the draper. This movement is done automatically on reversing the roller and uses power from the reversal to move the finger axis using a clutch. An anti-distortion wheel is mounted on the finger shaft to prevent retraction of the finger ends into the roller which can cause damage by loss of proper guidance.

REFERENCES:
patent: 2701634 (1955-02-01), Carroll
patent: 4751811 (1988-06-01), Groothuis
patent: 5620083 (1997-04-01), Vogelgesang
patent: 5768868 (1998-06-01), Stein
patent: 5813205 (1998-09-01), Gosa
patent: 6430904 (2002-08-01), Coers et al.
patent: 6640527 (2003-11-01), Farley et al.

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