Excavating – Peat excavators
Patent
1976-05-27
1977-08-30
Eickholt, E. H.
Excavating
Peat excavators
209241, 198836, 171 10, 171 15, E02F 100, B07B 100
Patent
active
040444805
ABSTRACT:
An elevating scraper adapted to be towed by a tractor to perform earth-grading operations and the like including a vehicle frame, towing means on the frame, and a forwardly open scraper bowl located on the frame and terminating in a lower, forwardly extending scraper edge. An upwardly and rearwardly extending elevating conveyor assembly is mounted on the frame forwardly of the scraper bowl and spaced from the scraper edge, and a support surface is situated closely adjacent the conveyor assembly and cooperates therewith so that material may be elevated by the conveyor assembly and supported during such elevation by the support surface and moved into the scraper bowl. The support surface is perforate so that material of large size will be directed to the scraper bowl while smaller sized material will pass through the support surface to the underlying terrain.
REFERENCES:
patent: 1251425 (1917-12-01), Rogers et al.
patent: 2368331 (1945-01-01), Seaman
patent: 2528689 (1950-11-01), Flynt
patent: 3296715 (1967-01-01), Jass et al.
patent: 3356157 (1967-12-01), Plasser et al.
patent: 3474547 (1969-10-01), Campbell et al.
patent: 3701422 (1972-10-01), Downey
patent: 3805895 (1974-04-01), Teigen
patent: 3959896 (1976-06-01), Wagner
Caterpillar Tractor Co.
Eickholt E. H.
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