Planting – Drilling – Frame and planting-element arrangement
Patent
1982-05-26
1983-12-27
Feyrer, James R.
Planting
Drilling
Frame and planting-element arrangement
111 85, 111 87, 172188, 172392, 172394, 172674, A01C 500
Patent
active
044223927
ABSTRACT:
A seed drill has rotatably mounted opener discs disposed in an acute angle with respect to the direction of travel and mounted on supports. A skid is mounted to each support at the outside surface of the disk at an angle with respect to the direction of travel. Each skid includes a trailing portion configured to have a sliding surface disposed above the depth of penetration of the disk in the ground and a leading portion bent upwardly in the direction of travel and having a recess in the side thereof facing the disk and which extends beyond the forwardmost portion of the disk in the direction of travel. Each skid is releasably connected to the support for pivotal movement of the trailing portion towards and away from the ground by a lever pivotable with the skid, a spring connected between the lever arm and the support for biasing the trailing portion of the skid towards the ground and an adjustable stop mounted on the support and engageable with the lever arm to limit the free pivotal movement of the skid in the upward direction.
REFERENCES:
patent: 354557 (1886-12-01), LaDow
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patent: 468446 (1892-02-01), Brooks
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patent: 1392732 (1921-10-01), Zarmstorf
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patent: 3705560 (1972-12-01), Lappin
patent: 3800881 (1974-04-01), Washburn
Dreyer Heinz
Wiemeyer Benno
Amazonen Werke AG H. Dreyer
Feyrer James R.
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