Cultivator disc adjuster

Details Cultivator disc adjuster Cultivator disc adjuster

1987-02-24

1989-03-28

Johnson, Richard J.

Earth working

With indicating or sighting means

172603, 172574, A01B 2108, A01B 7102

Patent

active

048155446

ABSTRACT:
This invention provides a double adjustable weeding disk support device in order to make rapid and positive adjustments of the depth and cut of the weeding disks. This invention is characterized by a shaft having conventional weeding disks rotatably mounted on the lower end and a series of openings near the other end. The shaft projects upward through openings in the frame crossbar of a conventional cultivator, through an opening in a plate mounted in rigid relationship with the frame crossbar and through the collar mounted on an adjustment arm with the shaft being fixed by means of bolt through opposite openings in the collar and through an opening in the shaft. The adjustable arm can be held in fixed relationship with the fixed plate by inserting a bolt through mating openings in the adjustment arm and in the plate.

REFERENCES:
patent: 542483 (1895-07-01), Linthicum
patent: 658253 (1900-09-01), Foster
patent: 1028053 (1912-05-01), Mikesell
patent: 1094068 (1914-04-01), Haas
patent: 2973819 (1961-03-01), Simmons
patent: 3351139 (1967-11-01), Schmitz
patent: 4607705 (1986-08-01), Tebben
patent: 4650005 (1987-03-01), Tebben
patent: 4738316 (1988-04-01), Wood

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