Earth working – Mast type hitch
Patent
1976-06-04
1978-02-14
Johnson, Richard J.
Earth working
Mast type hitch
172443, 172451, B60D 100, A01B 59043
Patent
active
040733467
ABSTRACT:
A first farm implement having a front three-point hitch connection for mounting on a tractor is equipped with a rear three-point hitch means for connection with a front three-point hitch means on a second farm implement so that both farm implements can be lifted and towed in tandem fashion, or each implement can be individually lifted or towed by a single tractor. The first implement includes an elongated transverse tool bar which carries the respective connections of both the front and rear three-point hitch means therefor in alignment longitudinally of the tractor.
REFERENCES:
patent: 2575622 (1951-11-01), Fraga
patent: 3140103 (1964-07-01), Virtue
patent: 3472528 (1969-10-01), Richey
patent: 3810434 (1974-05-01), Van der Lely
patent: 3937460 (1976-02-01), Van der Lely
patent: 3949813 (1976-04-01), Lely
patent: 3977476 (1976-08-01), Van der Lely
patent: 3983943 (1976-10-01), Lely
Groth Roger L.
Harvey Randall L.
Lauer Thomas R.
Ronnebaum Morris L.
Iowa State Univ. Research Foundation, Inc.
Johnson Richard J.
Lowell Rudolph L.
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