Tillage implement with gauge wheel linked to wing lifting and se

Details Tillage implement with gauge wheel linked to wing lifting and se Tillage implement with gauge wheel linked to wing lifting and se

1993-07-16

1995-04-25

Taylor, Dennis L.

Earth working

With ground support vertically adjustable relative to frame

Actuator and interconnected means for adjusting wheels on...

172328, 2804145, A01B 63114

Patent

active

054090695

ABSTRACT:
An agricultural tillage implement includes a center frame portion connected to one or more hinged wing frame portions. Both the center portion and the wing portions include separate hydraulically actuated lifting and self-leveling mechanisms. In each wing portion, one or more rear support wheels are pivotally connected to the implement frame via a rear torque tube which is also connected to the hydraulic lift such that the rear wheel is selectively pivotable relative to the frame to thereby raise and lower the frame with respect to ground level. A front gauge wheel is also pivotally connected to the frame via a front torque tube which is connected to the rear torque tube via a linkage arm and a pair of rocker arms such that the gauge wheel is pivoted in synchronism with the rear wheel to level the wing portion as it is raised and lowered.

REFERENCES:
patent: 2723129 (1955-11-01), Sprague
patent: 3202225 (1965-08-01), Richardson
patent: 3325184 (1967-06-01), Dunker
patent: 3912017 (1975-10-01), Rehn
patent: 4425971 (1984-01-01), Allen
patent: 4450917 (1984-05-01), Hake
patent: 4492272 (1985-01-01), Jensen
patent: 4606413 (1986-08-01), Hake
patent: 4712622 (1987-12-01), Birkenbach et al.
patent: 4762183 (1988-08-01), Bourgault et al.
patent: 5152347 (1992-10-01), Miller
patent: 5156216 (1992-10-01), Van Mill

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