Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1977-07-14
1979-05-01
Crowder, Clifford D.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
37DIG3, 37DIG12, 299 67, 414725, E02F 376
Patent
active
041516648
ABSTRACT:
An attachment for a backhoe bucket or front end loader bucket comprising, in the case of the backhoe bucket, a pair of connected rippers attached to the inside of the bucket and, in the case of the front end loader bucket, at least three connected rippers attached inside the bucket. The rippers are attached by pins to the sides and upper bottom portion of the bucket. The earth engaging ends of the rippers are above the bucket edge so that the rippers will dislodge earth which subsequently falls into the bucket and the bucket edge can be used for finish work without ripper interference.
REFERENCES:
patent: 2262415 (1941-11-01), Williams et al.
patent: 2783558 (1957-03-01), Morgan
patent: 2952929 (1960-09-01), Lindberg
patent: 2969966 (1961-01-01), Mathers
patent: 3039210 (1962-06-01), Slaughter
patent: 3595416 (1971-07-01), Perrotti
patent: 3675349 (1972-07-01), Luck
patent: 3999315 (1976-12-01), Nye
patent: 4038766 (1977-08-01), Felstet
patent: 4041624 (1977-08-01), Fryrear
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