Earth working – Diverse tools – Second implement follows path of first
Patent
1996-11-26
1998-11-10
Melius, Terry Lee
Earth working
Diverse tools
Second implement follows path of first
1727995, E02F 376
Patent
active
058330127
ABSTRACT:
The invention comprises a scraper and drag attachment for a tractor. The attachment has a main frame with a hitch at it forward end for attachment to a tractor. A scraper is fixed to the main frame behind the hitch and a first pivotal frame is pivotally mounted to the main frame behind the scraper. A pair of wheel frames each having a wheel rotatably mounted thereon are individually pivotally mounted to the main frame behind the scraper and laterally adjacent one another. A piston and cylinder is pivotally connected between the first frame and one of the wheel frames and a rod has its end pivotaly connected between the other wheel frame and the first frame; and a second piston and cylinder is pivotally connected between the main frame and the first frame, whereby the first piston and cylinder may be actuated to telescope or retract to pivot the one wheel frame and its wheel at an up or down, relative to the second wheel frame and its wheel, to an adjusted angle, and the second piston and cylinder may be actuated to raise or lower the first frame and wheel frames with the wheel frames and wheels remaining at their adjusted angular position relative to one another. A drag is pivotally mounted on a second frame which second frame is pivotally mounted to the main frame and a pair of chains are adjustably connected between the second frame and first frame whereby raising and lowering the first frame will raise and lower the drag with drag at a height relative to the device depending upon, the chain adjustment between the first frame and second frame.
REFERENCES:
patent: 3348323 (1967-10-01), Purdy
patent: 4055222 (1977-10-01), Runte
patent: 4217962 (1980-08-01), Schaefer
patent: 4700786 (1987-10-01), Berry
patent: 4836295 (1989-06-01), Estes
patent: 4924945 (1990-05-01), Mork
patent: 5289880 (1994-03-01), Barto
Dufault Karen
Pierce Kevin J.
Pierce Michael J.
Pierce Wayne A.
Kleve Robert E.
Melius Terry Lee
Pezzuto Robert
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