Depth control for agricultural implement

Details Depth control for agricultural implement Depth control for agricultural implement

1979-12-10

1981-12-22

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Extensible

172327, 172407, 172413, B62D 6112, A01B 6322

Patent

active

043067328

ABSTRACT:
A control for selectively setting the operating depth of a ground working agricultural tool without changing the elevated height of the tool when in the transport position. The control includes a ground supported wheel frame pivotally mounting a tool frame. The tool frame is pivoted on the wheel frame between a raised inoperative position and a lowered operative position by operation of a cylinder assembly. The cylinder assembly is pivoted at one end to the tool frame. Its remaining end is connected to a bracket on the wheel frame. The bracket includes a slot, slidably mounting the remaining end of the cylinder. The slot is aligned along an arc centered on the pivot axis of the cylinder at its one end when the tool frame is elevated to the inoperative position. The slot is inclined upwardly toward this pivot axis as the tool frame is lowered to the operative position. An adjustment on the bracket enables positioning of the remaining cylinder end within the slot without changing the stroke length of the cylinder. The adjustment can be operated to raise or lower the tool frame in relation to the wheel frame, thereby changing the operating depth. Such adjustments will not affect the transport position of the tool frame.

REFERENCES:
patent: 2320742 (1943-01-01), Newkirk
patent: 2348445 (1944-05-01), Bayer
patent: 2830519 (1958-04-01), Chandler et al.
patent: 2869653 (1959-01-01), Smith
patent: 2979140 (1961-04-01), McKenzie
patent: 3153988 (1964-10-01), Warstler
patent: 3912018 (1975-10-01), Brundage et al.

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