Boom arrangement for dragline

Details Boom arrangement for dragline Boom arrangement for dragline

1977-03-03

1979-09-11

Crowder, Clifford D.

Excavating

Snow or ice removing or grooming by portable device

Railway clearer

371175, 37135, E02F 346

Patent

active

041670728

ABSTRACT:
An excavating machine comprising a pivotal boom supporting at its outer end a drag bucket with the aid of a first line, and a bucket support arm articulated to the boom and a second line extending from said drag bucket to the outer end of the bucket support arm, whereby the drag bucket may be hauled close to the machine, irrespective of the height variations of the ground.

REFERENCES:
patent: 2133406 (1938-10-01), Shelton et al.
patent: 2269917 (1942-01-01), Repplinger

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