Adjustable cutting edge assembly for a power earth mover

Details Adjustable cutting edge assembly for a power earth mover Adjustable cutting edge assembly for a power earth mover

1977-03-23

1978-03-07

Eickholt, E. H.

Excavating

Ditch filler

172719, 151 19A, E02F 928

Patent

active

040771423

ABSTRACT:
The scraper bowls of power earth movers have a support bar across the front on which a replaceable cutting blade is mounted. In the apparatus of the present invention the cutting blade is mounted for angular adjustment relative to the front of the bowl, so that the cutting edge of the blade may be disposed to form a precisely horizontal surface. This permits such a power earth mover to be used for final grading and cleanup work which often requires a completely horizontal cut on the grade. The present invention compensates for manufacturing tolerances which often cause the bowl to be supported at a slight angle to the horizontal.

REFERENCES:
patent: 2189745 (1940-02-01), Johnson
patent: 2285039 (1942-06-01), Lowe
patent: 2310396 (1943-02-01), Clinkscales, Jr.
patent: 2866280 (1958-12-01), O'Connor
patent: 3059357 (1962-10-01), Irish
patent: 3511289 (1970-05-01), Coyle
patent: 3845578 (1974-11-01), Holmstrom
patent: 3942271 (1976-03-01), George
patent: 3984929 (1976-10-01), Meyer et al.

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