Earth working – With actuator for rocking tool about wheel axis – Unstable wheeled frame moved by actuator
Patent
1986-01-31
1987-09-29
Stouffer, Richard T.
Earth working
With actuator for rocking tool about wheel axis
Unstable wheeled frame moved by actuator
172413, 172443, 172483, 172680, 280405B, A01B 6311, A01B 6322
Patent
active
046963499
ABSTRACT:
An implement-mounting linkage mechanism for pivotally connecting a frame to a wheeled implement is disclosed. The mechanism is preferably used for pivotally connecting a wheeled load-bearing frame to the backside of a wheeled farm implement. The frame includes wheels adjustable relative to the frame for raising and lowering the frame relative to the ground. The frame preferably includes a plurality of soil-engaging ground-tool implements mounted thereon. The mounting-linkage mechanism of the present invention incorporates a novel non-parallel four-point design which virtually eliminates negative hitch weight when the frame is raised above the ground, in the static case. On the other hand, the novel design results in a net downward force being imposed upon the ground-tool implements when the frame is lowered for soil engagement, in the dynamic case.
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Bell Frank A.
Harwood J. Richard
J. I. Case Company
Stouffer Richard T.
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