Apparatus for adjusting the attitude of construction equipment

Excavating – Scoop or excavating and transporting container – Supported on vehicle between longitudinally spaced ground...

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172 45, 280 612, 280 611, E02F 376

Patent

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055619240

ABSTRACT:
In a scraper, or the like, having as its purpose the cutting of a level swath in an earthen terrain, and receiving the earth cut from the terrain, in which the cutting blade is mounted, in a level attitude, to a scraper frame, which frame is itself mounted on wheels for movement along the terrain, means for adjusting the wheels relative to the frame so as to maintain the level attitude of the blade over uneven terrain, or under conditions of uneven loading of the earth removed from the swath.

REFERENCES:
patent: 2790648 (1957-04-01), Sweetland
patent: 3561538 (1971-02-01), Curlett et al.
patent: 3695713 (1972-10-01), Rothi et al.
patent: 3976302 (1976-08-01), Hammarstrand
patent: 4067395 (1978-01-01), Verhoff
patent: 4090723 (1978-05-01), Hart
patent: 4207692 (1980-06-01), Hyler et al.
patent: 4449733 (1984-05-01), Iida et al.
patent: 5037160 (1991-08-01), Ukai
patent: 5180028 (1993-01-01), Perrenoud, Jr.

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