Water stop attachment and border disc

Details Water stop attachment and border disc Water stop attachment and border disc

1979-01-16

1981-03-24

Johnson, Richard J.

Earth working

Diverse tools

With independent means for vertical movement

172178, 172200, 172440, A01B 4902

Patent

active

042574870

ABSTRACT:
The device comprises a transverse frame member having depending border disc mounts. The transverse frame member also has a hitch extending forwardly therefrom for attachment to a three point hitch on a tractor. The water stop attachment has a ladder type framework with one side of the ladder frame pivotally attached to the border disc transverse frame member. A spaced parallel frame member of the ladder frame is attached to a plurality of stop plates which are located directly behind the depending border disc mounts. A single hydraulic cylinder extends between a raised portion of the three point hitch and a central member of the ladder frame for raising and lowering the stop mechanism upon actuation of a hydraulic switch or valve located in the cab of the tow vehicle.

REFERENCES:
patent: 1692879 (1928-11-01), Willey
patent: 2193275 (1940-03-01), Elliott
patent: 2499746 (1950-03-01), Grenier
patent: 2596579 (1952-05-01), McKay
patent: 2643600 (1953-06-01), Rinderknecht
patent: 2671973 (1954-03-01), Bensel
patent: 2673434 (1954-03-01), Babinchak
patent: 2749694 (1956-06-01), Klemm
patent: 3065802 (1962-11-01), Nikkel
patent: 3224392 (1965-12-01), Mellen
patent: 3235013 (1966-02-01), Kirkpatrick
patent: 3275341 (1966-09-01), Ralston
Miller Series III Offset Discs Advertising Brochure, Miller Mfg. Co., Stratton, Neb.

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