Earth scraper with router bit

Details Earth scraper with router bit Earth scraper with router bit

1975-04-21

1977-03-08

Marlo, George J.

Excavating

Ditch filler

37129, 37DIG12, 172780, 172737, 172783, E02F 900, A01B 2302

Patent

active

040105610

ABSTRACT:
In an earthmoving scraper, a pivotally adjustable router bit is provided on the leading edges of the bowl to fracture the soil ahead of both sides of the cutting edge of the scraper to protect the bowl sides from excessive wear. The bits are pivotally mounted on the side walls of the bowl and are shaped in such a way that the leading edge of each bit wears uniformly as the bit is advanced from one secured position on the bowl to the next.

REFERENCES:
patent: 1034546 (1912-08-01), Wells
patent: 2593880 (1952-04-01), Heavilin
patent: 2628848 (1953-02-01), Isaac
patent: 3014292 (1961-12-01), Fisher
patent: 3127689 (1964-04-01), Hopkins

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