Disc harrow implement

Details Disc harrow implement Disc harrow implement

1991-06-24

1992-12-01

Reese, Randolph A.

Earth working

With ground support vertically adjustable relative to frame

Flexible or lost motion connection to actuator

172310, 172395, 172466, A01B 6316, A01B 6310

Patent

active

051672863

ABSTRACT:
A disc harrow implement having a wheel supported frame to carry the gang discs for transport over-the-road operating mechanism in the frame to selectively extend the wheels and to retract the wheels during ground discing, a shiftable bar to support a fluid pressure motor connected to the wheels, and a transport link that cooperates with the shiftable bar and the wheel supports to allow the implement to be converted between transport configuration and ground discing configuration.

REFERENCES:
patent: 2481017 (1949-09-01), Johnson
patent: 2692542 (1954-10-01), Bell
patent: 2704021 (1955-03-01), Brundage
patent: 2767538 (1956-10-01), Scheidenhelm
patent: 2768609 (1956-10-01), Oehler et al.
patent: 2797542 (1957-07-01), Webster et al.
patent: 2840971 (1958-07-01), Greeson
patent: 2952472 (1960-09-01), McNeill
patent: 2960346 (1960-11-01), Hunter
patent: 2970656 (1961-02-01), Kampe
patent: 3195652 (1965-07-01), Murray et al.
patent: 3643745 (1972-02-01), Betulius et al.
patent: 3809165 (1974-05-01), Miller
patent: 3878901 (1975-04-01), Robertson, Sr.
patent: 3912017 (1975-10-01), Rehn
patent: 4306732 (1981-12-01), Pettibone

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