Remotely adjustable depth control

Details Remotely adjustable depth control Remotely adjustable depth control

1993-06-09

1994-11-22

Reese, Randolph A.

Earth working

Actuator on vehicle for relatively moving parts of trailing...

Actuator on vehicle moves implement ground support...

172413, 172411, 172487, 280 4323, A01B 6322

Patent

active

053660242

ABSTRACT:
An implement depth control system includes a rotating link pivotally connected to the frame adjacent the depth control cylinder. A cylinder pin contacts and rotates the link when the implement is lowered toward the field operating position. One end of an adjustable length member is threaded through a turnbuckle mounted on the link and contacts an actuator to limit cylinder retraction and set operating depth. The opposite end of the member extends to an easily accessed location on the implement and includes a crank handle for turning the member and thereby adjusting the length between the turnbuckle and actuator to vary the depth setting. An indicator near the crank handle provides an accurate depth indication at any depth setting, and relative depth adjustments may be made quickly while the implement is in the lowered field working position.

REFERENCES:
patent: 3057092 (1962-10-01), Carlett
patent: 3700643 (1971-10-01), Sullivan
patent: 4360067 (1982-11-01), Sohaaf et al.
patent: 4782201 (1988-11-01), Pollard et al.
patent: 5277257 (1994-01-01), Thompson et al.
Deere & Company, Deere Operator Manual, pp. 10-20-22, published Jul. 1991.

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