Reversible clam shell bucket

Details Reversible clam shell bucket Reversible clam shell bucket

1987-06-17

1990-05-29

Burr, Edgar S.

Excavating

Snow or ice removing or grooming by portable device

Railway clearer

37195, 172254, 414704, 414739, E02F 376

Patent

active

049284100

ABSTRACT:
A material handling apparatus connected to a prime mover having first and second jaws, the first jaw connected and configured to approximate a grading blade for a bulldozer, and the second jaw connected to the first jaw in one of two orientations, 180 degrees apart and about vertical axis. The jaws also have open and closed positions, defining four extreme positions. The combined first and second jaws define either a bucket, or when the second jaw is extended away from the grader blade a clam shell type bucket, or a pincer type grappler.

REFERENCES:
patent: 2935802 (1960-05-01), Wolfe et al.
patent: 3581924 (1971-06-01), Marz
patent: 3738030 (1973-06-01), Olinger
patent: 3854608 (1974-12-01), Arnold
patent: 3975844 (1976-08-01), Olson
patent: 4372063 (1983-02-01), Work
patent: 4519739 (1985-05-01), Risch
patent: 4595240 (1986-06-01), Pettersson
Brochure-Gannon, .COPYRGT.1987, 1 pg., "Multi Purpose Bucket".

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