Rub link assembly for dragline bucket

Details Rub link assembly for dragline bucket Rub link assembly for dragline bucket

1986-09-29

1987-09-01

Crowder, Clifford D.

Excavating

Snow or ice removing or grooming by portable device

Railway clearer

59 85, 59 93, F16G 1504, E02F 346

Patent

active

046899049

ABSTRACT:
A rub link assembly for replacement of a link or links of the lower hoist chain on a dragline bucket including a rotating collar affixed to a plastic bushing which allows rolling as contrasted to scraping action against the bucket sides.

REFERENCES:
patent: 1269924 (1918-06-01), Gathright
patent: 2028598 (1936-01-01), Gibson
patent: 2104193 (1938-01-01), Gerwig
patent: 3181257 (1965-05-01), Larsen
patent: 4131136 (1978-12-01), Sawyer
patent: 4411132 (1983-10-01), Crook, Jr.
patent: 4446637 (1984-05-01), Ferreira

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