Earth working – Plural wheeled implements – Laterally spaced with separate draft tongues
Patent
1988-12-22
1990-07-03
Reese, Randolph A.
Earth working
Plural wheeled implements
Laterally spaced with separate draft tongues
172386, 280412, A01B 7300
Patent
active
049382950
ABSTRACT:
An implement hitch assembly serves to aggregate two machines. The machines are echeloned in the working position or in tandem in a transport position when moving from one field to another. The hitch includes a transverse draw bar, connected to a tractor. On the transverse draw bar, provision is made for a pull rod of a front farm machine, which is mounted thereon by a carriage. The hydraulic drive installed on the transverse draw bar is intended for moving the carriage along the transverse draw bar. A lever pivotably connected to the pull rod of the front farm machine carries an arcuate beam coupled therewith at the front end thereof by a pivot. The rear end of the arcuate beam rests on a support wheel with a suspension. On the vertical axis of the suspension there is mounted a clevis of a rear farm machine. The hydraulic drive connected with the pull rod of the front farm machine moves the latter along as it transfers both machines to one of the positions hereinabove identified. In the transport position, the arcuate beam of the implement is disposed above the front farm machine, i.e., vertically, while it is in a horizontal position in the working position of the implement. Upon transfer, an operator does not leave the tractor cabin.
REFERENCES:
patent: 3112124 (1963-11-01), Bartel
patent: 3292948 (1966-12-01), McMasters et al.
patent: 3324956 (1967-06-01), Ritchie
patent: 4154451 (1979-05-01), Young
patent: 4274492 (1981-06-01), Peterson
patent: 4368806 (1983-01-01), Raineri
patent: 4396069 (1983-08-01), Ferber et al.
Marrandi Tiit R.
Olt Juri R.
Reese Randolph A.
Thompson Jeffrey L.
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