Earth working – Mounting for pushed tool at end of motor vehicle – With tool-carried ground support
Patent
1980-10-24
1982-05-25
Johnson, Richard J.
Earth working
Mounting for pushed tool at end of motor vehicle
With tool-carried ground support
172430, 172483, 172311, A01B 59048
Patent
active
043312063
ABSTRACT:
A ground leveling and tillage implement for attachment to the front of a tractor includes an elongated frame element disposed transversely in front of the front wheels of the tractor and generally parallel with the ground. A generally rectangular tine-supporting frame is provided having spaced opposite sides and ends, and having a plurality of ground-working tines mounted thereon and depending therefrom. The supporting frame is mounted intermediate its ends on the frame element for pivotal movement about an axis parallel with its sides and with the frame element between an operative position extending forwardly of the frame element and generally parallel with the ground and with the tines in engagement therewith, and a generally upright transport position. Selective adjustment of the supporting frame with respect to the ground in the operative position is provided so as to level the supporting frame, and selective vertical adjustment of the frame element is provided so as to adjust the depth of penetration of the tines in the operative position of the supporting frame. A power cylinder is provided for moving the supporting frame between its positions, and wheels may be mounted on the forward side of the supporting frame for inhibiting gouging.
REFERENCES:
patent: 2555954 (1951-06-01), Brulat
patent: 2609741 (1952-09-01), Evenson
patent: 3138210 (1964-06-01), Behrens
patent: 3224392 (1965-12-01), Mellen
patent: 3262505 (1966-07-01), Brakhage
patent: 3314386 (1967-04-01), Kopaska
patent: 3542138 (1970-11-01), Fackler
patent: 4044843 (1977-08-01), Holub
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