Dragline bucket line protection device

Details Dragline bucket line protection device Dragline bucket line protection device

1991-12-24

1992-08-25

Reese, Randolph A.

Excavating

Snow or ice removing or grooming by portable device

Railway clearer

37135, 59 93, 24129A, E02F 348, E02F 358

Patent

active

051407612

ABSTRACT:
In a support assembly for an excavating dragline bucket controlled by a hoist line and a drag line, the bucket having opposite side walls and an open forward end, a line protection device includes a sleeve for encircling the hoist line adjacent the bucket sidewalls for preventing direct contact between the hoist line and the bucket sidewalls. A sleeve also encircles the drag line adjacent the point of attachment between the drag line and the bucket forward end for preventing direct contact between the drag line and excavating material received by the bucket.

REFERENCES:
patent: 852863 (1907-05-01), Wiles
patent: 1053783 (1913-02-01), Butler
patent: 1833587 (1931-11-01), Page
patent: 1836867 (1931-12-01), Page
patent: 1850767 (1932-03-01), Page
patent: 1879448 (1932-09-01), Page
patent: 2092556 (1937-09-01), Page
patent: 2261233 (1941-11-01), Dausman
patent: 2286765 (1942-06-01), Settersten
patent: 2588657 (1952-03-01), Pitts
patent: 2831274 (1958-04-01), Addicks
patent: 3352038 (1967-11-01), Kalve
patent: 4689904 (1987-09-01), Briscoe
patent: 4731941 (1988-03-01), Beatty
patent: 4864747 (1989-09-01), Martin et al.

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