Pivotal implement

Details Pivotal implement Pivotal implement

1977-03-22

1978-06-06

Goodman, Philip

Land vehicles

Body elevation or tilt

Establishing riding or trim height

280 6H, 180 41, B60G 1700

Patent

active

040932486

ABSTRACT:
A pivotal implement, such as a pivotal plow includes an implement frame having an axle extending longitudinally in the direction of travel which is pivotally supported on an undercarriage for movement relative thereto about its axle. The undercarriage includes a pair of spaced apart wheels each of which is supported by a transversely-extending axle which is coupled to the undercarriage for independent vertical movement in a substantially vertical direction, relative to the longitudinal axis of the undercarriage, for movement between an upper limiting position and a lower limiting position. Blocking means are associated with each of the wheel axles for preventing a tipping of the undercarriage relative to the implement frame about its longitudinal axis. Sensor means are also associated with each of the wheel axles which detect a change in position of the wheel axles and which move the blocking means into a blocking position when its associated wheel axle moves from its upper limiting position downwardly relative to the longitudinal axis.

REFERENCES:
patent: 2734293 (1956-02-01), Barnes
patent: 4033423 (1977-07-01), Grosseau

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