Integral rippers for hydraulic excavator bucket

Details Integral rippers for hydraulic excavator bucket Integral rippers for hydraulic excavator bucket

1974-04-17

1977-08-16

Crowder, Clifford D.

Excavating

Snow or ice removing or grooming by portable device

Railway clearer

37DIG3, 214145R, 299 67, E02F 376

Patent

active

040416240

ABSTRACT:
An excavator bucket includes a pair of guide socket structures, each positioned inwardly of and adjacent a sidewall and the rear wall of the bucket. A pair of ripper shanks are included, one associated with each of the guide sockets, to be extended and retracted relative to the bucket. Each ripper shank may be selectively held in a retracted or an extended position relative to the bucket, and may be completely removed from the bucket if desired.

REFERENCES:
patent: 2783558 (1957-03-01), Morgan
patent: 2840931 (1958-07-01), Appel
patent: 2952929 (1960-09-01), Lindberg
patent: 3038267 (1962-06-01), Helton et al.
patent: 3039210 (1962-06-01), Slaughter
patent: 3061123 (1962-10-01), Rogers
patent: 3097439 (1963-07-01), Calkin
patent: 3596996 (1971-08-01), Carter
patent: 3702712 (1972-11-01), Cairns
patent: 3778111 (1973-12-01), Ciofani

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