Soil cultivating implements

Details Soil cultivating implements Soil cultivating implements

1977-02-28

1978-09-12

Johnson, Richard J.

Earth working

With drive means for tool or cleaner

Plural driven tools

172 68, 172 70, 172 78, 172413, 172400, 172417, 280104, A01B 3306

Patent

active

041130243

ABSTRACT:
A cultivating implement has an elongated frame portion with soil working tines rotatably mounted along the length of the frame portion. The implement is supported, at least in part, by a leading member and a rear member each of which bear on the ground in advance and to the rear of the soil working tines. The supporting members can be wheels, rollers, a row of rods, levelling bars or combinations thereof which are interconnected by at least one linkage. Each supporting member has a respective carrier that is pivoted to a strip or pair of strips secured to the frame portion. The carriers include upwardly extending arms or plates with holes at different levels that receive pins and the pins interconnect the upper portions of the carriers to an adjustable connecting member. When one supporting member is displaced upwardly or downwardly, the other member is displaced in an opposite direction.

REFERENCES:
patent: 2888996 (1959-06-01), Ralston
patent: 3090449 (1963-05-01), Ward
patent: 3616862 (1971-11-01), Lely
patent: 3627059 (1971-12-01), Jackson
patent: 3633679 (1972-01-01), Dahlberg
patent: 3892278 (1975-07-01), Smith
patent: 3951213 (1976-04-01), Lely

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