Soil working machine with interconnected displaceable supports w

Details Soil working machine with interconnected displaceable supports w Soil working machine with interconnected displaceable supports w

1979-05-30

1982-02-16

Stouffer, Richard T.

Earth working

Plural relatively movable tools

Relatively movable because of operation

172708, A01B 1500

Patent

active

043155499

ABSTRACT:
A soil working machine comprises two interconnected soil working members. Each working member comprises a support that is preferably resilient and a lower working element. Deflection of one working member results in an opposite deflection of the other, but the orientation of the working elements is preferably maintained by a control arm. Levers pivoted to the frame and associated with the supports are interconnected by a rigid coupling. Alternatively, the supports can be attached to brackets which are pivoted to the frame and levers or parallelogram linkages interconnected to the brackets are connected by a rigid coupling.

REFERENCES:
patent: 2379779 (1945-07-01), Ash
patent: 3266579 (1966-08-01), Hofer
patent: 3921726 (1975-11-01), Connor et al.

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