Pivoting dual land wheel for a plow

Details Pivoting dual land wheel for a plow Pivoting dual land wheel for a plow

1978-11-27

1981-03-03

Love, John J.

Earth working

Axis of rotation of wheel lockable or angularly adjustable

Lockable against free swinging

172400, 172421, A01B 1514

Patent

active

042535280

ABSTRACT:
A land wheel assembly including dual wheels pivotally mounted on a vertically positionable arm of an implement such as a plow. When the arm is lowered and the plow is in the transport position the wheels can rock in a castering fashion about a pivotal axis having a substantial vertical component so that as the implement is turned around a corner, the wheels caster to reduce tire scuffing and stresses in the assembly. When the arm is raised to lower the implement to the ground-working position, the pivotal axis shifts, approaching a generally horizontal attitude and allowing the wheels to pivot up and down with respect to each other about the axis to provide an even plowing depth and reduce stresses throughout the assembly on uneven ground.

REFERENCES:
patent: 1213454 (1917-01-01), Brown
patent: 2399043 (1946-04-01), Klumb
patent: 2994546 (1961-08-01), Cooper
patent: 3065803 (1962-11-01), Pierson
patent: 3497231 (1970-02-01), Fulmer et al.
patent: 3731749 (1973-05-01), Sullivan et al.
patent: 4043403 (1977-08-01), Anderson et al.

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