Independent and biased cultivator support

Details Independent and biased cultivator support Independent and biased cultivator support

1974-07-05

1976-07-06

Burr, Edgar S.

Earth working

Rolling, rotating or orbitally moving tool

With spring means other than for detent

172265, 172551, 172624, 172629, 172691, 172711, 172763, A01B 3528, A01B 2104, A01B 1516, A01B 504

Patent

active

039676854

ABSTRACT:
A rotary hoe implement, having hoe support arms independent of adjacent hoe support arms, and a selectively adjustable means for varying the downward pressure exerted by the leaf spring biasing means acting on each support arm.

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patent: 3734201 (1973-05-01), Zaun
patent: 3782481 (1974-01-01), Quanbeck
patent: 3800881 (1974-04-01), Washburn

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