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Then the empty scraper returns to the cut site and repeats the cycle. Caterpillar 613C elevating scraper. On the 'elevating scraper' the bowl is filled by a type of conveyor arrangement fitted with a horizontal flights to move the material engaged by the cutting edge into the bowl as the machine moves forward. Elevating scrapers do not require ...
Euclid truck in use at Chuquicamata copper mine in 1984 Euclid truck at a quarry in Poland (2013). The Euclid Trucks was a manufacturer which specialized in heavy equipment for earthmoving, particularly dump trucks, loaders and wheel tractor-scrapers.
The Fresno scraper is a machine pulled by horses used for constructing canals and ditches in sandy soil. The design of the Fresno scraper forms the basis of most modern earthmoving scrapers , having the ability to scrape and move a quantity of soil, and also to discharge it at a controlled depth, thus quadrupling the volume which could be ...
Sometimes, a bulldozer is used to push or pull another piece of earth-moving equipment known as a "scraper" to increase productivity. The towed Fresno Scraper, invented in 1883 by James Porteous, was the first design to enable this to be done economically, removing the soil from an area being cut and depositing where needed as fill. Dozer ...
In May of 1921, he purchased a plot of land in Stockton, California, and established a small engineering workshop, where he designed and built several types of scrapers. Combining contracting and earthmoving equipment manufacturing, his business soon began to expand and, in 1929, ...were incorporated in California as R. G. LeTourneau, Inc. [ 5 ...
The ingenious design features two compartments: one holds the water, with a scraper blade to clean the mop head; the other has a scraper blade to squeeze out dirty water — no wringing required ...