Guidance system having adjustable width capability

Details Guidance system having adjustable width capability Guidance system having adjustable width capability

1995-03-09

1996-12-10

Warnick, IV, Spencer K.

Earth working

Automatic power control

Obstruction sensing type

172 26, A01B 6906

Patent

active

055822550

ABSTRACT:
An adjustable row following guidance device for a tractor drawn row crop implement, includes a main support member disposed substantially transverse to the direction of travel of the implement as pulled by the tractor and having a first side and a second side, a first crank arm-assembly being releasably attachable to either of the first side and the second side, a second crank arm assembly being releasably attachable to either of the second side and the first side, the attachment of the crank arm assemblies to the main support member forming a generally inverted U-shape, each crank arm assembly including a laterally offset configuration, so that when the first crank arm assembly is attached to the first end, and the second crank arm assembly is attached to the second end, the device has a first implement width, and when the first and second crank arm assemblies are reversed on the main support member, the device has a second implement width, each crank arm assembly further including a forward portion with a tractor connection point, and a rearward portion with an implement connection point, the implement connection point being rearwardly pivotable relative to the tractor connection point.

REFERENCES:
patent: Re34080 (1992-09-01), Schmidt
patent: 3195651 (1965-07-01), Todd
patent: 3231294 (1966-01-01), Horney
patent: 3829128 (1974-08-01), Sutton et al.
patent: 4477101 (1984-10-01), Nilsson et al.
patent: 4640365 (1987-02-01), Schmidt
patent: 4930581 (1990-06-01), Fleischer et al.
patent: 5170849 (1992-12-01), Nikkel et al.
Sketch of tractor driven implement guidance device, Orthman Manufacturing, Inc., Lexington, Nebraska, Jul. 1993.

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