Earth working – With actuator adapted to lift tool for transport on wheeled... – Translatable tool
Patent
1977-01-31
1978-03-28
Johnson, Richard J.
Earth working
With actuator adapted to lift tool for transport on wheeled...
Translatable tool
172611, 172699, A01B 3514
Patent
active
040810356
ABSTRACT:
A tractor with ripper attachment having a combined tool bar and counterweight container. The tractor is commonly weighted with its mass toward the front thereof, and there is a ripper assembly attached to the rear of the tractor and having a hollow tool bar which receives counterweights, and the ripper tools are attached exteriorly of the tool bar and the entire assembly is free to move up and down on the rear of the tractor.
REFERENCES:
patent: 2490904 (1949-12-01), Gustafson
patent: 2676524 (1954-04-01), Bashor
patent: 2691334 (1954-10-01), Cannon
patent: 2925872 (1960-02-01), Darnell
patent: 3116797 (1964-01-01), Launder
patent: 3490787 (1970-01-01), Latterman
patent: 3581827 (1971-06-01), Ratcliff
patent: 3799272 (1974-03-01), Watson
Hansmann Arthur J.
J. I. Case Company
Johnson Richard J.
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