Hoe-opener assembly

Details Hoe-opener assembly Hoe-opener assembly

1986-10-27

1988-06-14

Johnson, Richard J.

Planting

Drilling

Frame and planting-element arrangement

111 85, 1726245, 172310, A01C 708

Patent

active

047504404

ABSTRACT:
A hoe-opener assembly having a "float" feature is disclosed. The present invention ties operation of several hoe openers to a common framework so that uniform depth control can be maintained. The hoe-opener assembly of the present invention is drawn behind an agricultural implement having a tool bar, and comprises a vertically movable framework. A frame lift-and-lower arrangement is provided for adjusting the spacing of the framework relative to the ground. The hoe-opener assembly includes a plurality of spring-biased hoe openers, each pivotally carried for limited pivotal movement by the framework at spaced intervals along the length thereof. A biasing-spring arrangement in operative association with each hoe-opener is provided whereby each hoe opener is substantially fixed against independent movement, relative to the framework.

REFERENCES:
patent: 1602529 (1926-10-01), Harris
patent: 2685384 (1954-08-01), Tanke
patent: 3117541 (1964-01-01), Todd
patent: 3568613 (1971-03-01), Lange
patent: 3830311 (1974-08-01), Bryson
patent: 3921726 (1975-11-01), Connor
patent: 4126190 (1978-11-01), Wylie
patent: 4417530 (1983-11-01), Kopecky
patent: 4425857 (1984-01-01), Lienemann
patent: 4461355 (1984-07-01), Peterson
patent: 4506609 (1985-03-01), Fuss
patent: 4638748 (1987-01-01), Kopecky
patent: 4660651 (1987-04-01), Pfenninger

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