Row following guidance device for a tractor-drawn row crop imple

Details Row following guidance device for a tractor-drawn row crop imple Row following guidance device for a tractor-drawn row crop imple

1987-12-14

1992-09-29

Reese, Randolph A.

Earth working

Automatic power control

Obstruction sensing type

172 26, 1042441, 180131, A01B 6900

Patent

active

RE0340804

ABSTRACT:
A row following guidance device connecting the right and left ends of the forward portion of a row crop implement to a tractor will adjust the length of each left and right connection as the tractor deviates laterally from alignment with the crop rows to correctively guide the implement in alignment with the crop rows. A row following wheel signals a steering valve upon any lateral deviation of the implement from crop row alignment, the steering valve correcting the deviation by lengthening one connection between the tractor and the implement and shortening the other. The row following wheel is mounted for movement independent of the implement so that the implement may be raised or lowered without affecting the operation of the wheel.

REFERENCES:
patent: 1111243 (1914-09-01), Whitworth
patent: 2730030 (1956-01-01), Chambers
patent: 2743656 (1956-05-01), Fraga
patent: 3183976 (1965-05-01), Rollins
patent: 3537531 (1970-11-01), Fischer et al.
patent: 3797602 (1974-03-01), Sumida
patent: 3998275 (1976-12-01), Eisenhardt
patent: 4180133 (1979-12-01), Collogan et al.
patent: 4184551 (1980-01-01), Orthman
patent: 4228860 (1980-10-01), Orthman
patent: 4463811 (1984-08-01), Winter
patent: 4607716 (1986-08-01), Beck
Sunco, "Acura Track Guidance Control," sales brochure.
Buffalo, "The Guidance System", sales brochure, Fleischer Mftg. Inc.
Sukup, "Auto Guide Guidance System", sales brochure, Sukup Mftg. Co.
Farm Show, "Owner's Report on Automatic Guidance Systems", vol. 13, No. 3, 1989, pp. 24-25.

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