Excavating – Railway graders – Side former
Patent
1980-11-24
1982-12-28
Eickholt, E. H.
Excavating
Railway graders
Side former
37141R, E02F 502
Patent
active
043654282
ABSTRACT:
A tool adapted to be removably joined to the bucket or dipper stick of a backbone or excavator is described. The tool is used to dig a footing at the base of a trench. The tool includes two major components: a frame and a tooth-shaped member. The frame carries a tooth-shaped member and the frame is removably joined to the bucket. The tooth-shaped member engages and uplifts the material at the base of the trench while the frame guides the tooth-shaped member and funnels the material uplifted from the base of the trench into the interior of the bucket. The tooth-shaped member can be formed together in one solid piece or from several flat plates that have been welded together. A bolting means can be used to join the tooth-shaped member and frame to the bucket.
REFERENCES:
patent: 2783558 (1957-03-01), Morgan
patent: 3307277 (1967-03-01), Kondracki
patent: 3724899 (1973-04-01), Clark
patent: 4125952 (1978-11-01), Jennings
Eickholt E. H.
J. I. Case Company
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