Tool bar control for agricultural implement

Details Tool bar control for agricultural implement Tool bar control for agricultural implement

1981-04-13

1983-02-01

Johnson, Richard J.

Earth working

With ground support engageable with ground for transport only

Tool and ground support moved together relative to frame

172398, 172501, 172482, A01B 6322, A01B 6332

Patent

active

043710395

ABSTRACT:
A tool bar control mechanism for an agricultural implement or the like having a frame, a pair of generally transverse tool bars mounted on the frame for rotation about their longitudinal axes and carrying ground working tools such as spring teeth for movement therewith, and transport wheels mounted on the frame and movable between lowered transport positions wherein the frame and ground working tools are raised for transport and raised positions wherein the frame and tools are lowered for ground working operation, the tool bar control mechanism including linkage means operatively interconnecting the transport wheels with the tool bars so as to effect predetermined rotation of the tool bars and ground working tools in response to movement of the transport wheels between their lowered and raised positions and positively maintain the tools in set position during ground working operation.

REFERENCES:
patent: 3006422 (1961-10-01), Mighell
patent: 3255839 (1965-12-01), Petitt
patent: 3828860 (1974-08-01), Poland

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