Adjustable spring loaded agricultural tool mounting

Details Adjustable spring loaded agricultural tool mounting Adjustable spring loaded agricultural tool mounting

1976-10-15

1978-03-14

Johnson, Richard J.

Earth working

Tool, standard or connection

Spring biased or formed tool or tool part

172705, A01B 3524, A01B 6104

Patent

active

040786153

ABSTRACT:
An adjustable spring loaded agricultural tool mounting accommodating pivotal movement of the tool relative to a normal operative relation to an implement frame when said tool encounters an obstacle. The tool includes a part projecting upwardly and rearwardly from the tool pivot and a longitudinally extensible and adjustable strut is pivoted in upwardly and rearwardly spaced relation to the tool pivot and bears against the upper free end portion of said upwardly and rearwardly extending tool part. At least one of said strut and said upwardly and rearwardly projecting tool part includes a spring portion.

REFERENCES:
patent: 2850956 (1958-09-01), Rogers
patent: 3012617 (1961-12-01), Anderson
patent: 3098529 (1963-07-01), Wade
patent: 3414252 (1968-12-01), Frager
patent: 3981367 (1976-09-01), Mydels

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