Excavating – Clamshell bucket – Common pivot
Patent
1994-05-17
1996-03-26
Melius, Terry Lee
Excavating
Clamshell bucket
Common pivot
37466, 37901, 294 6823, B66C 302
Patent
active
055010245
ABSTRACT:
A bucket for power shovels is disclosed having a first bucket half and a second bucket half. Each bucket half includes a pair of spaced sidewalls and an endwall extending between the sidewalls which forms a scoop. The bucket halves are pivotly secured together so that the scoops face each other and are movable between an open position, in which the scoops face downwardly, and a closed position in which the scoops face each other and form a load carrying chamber. A swiper plate is attached to one sidewall on each side of the bucket. This swiper plate overlaps a portion of the other sidewall on its associated side of the bucket as the bucket halves pivot between a partially closed and a fully closed position.
REFERENCES:
patent: 1864793 (1932-06-01), Botten
patent: 2744640 (1956-05-01), Somers
patent: 4189386 (1980-02-01), Aman
patent: 4908966 (1990-03-01), Phillips et al.
patent: 5029923 (1991-07-01), Bergeron
patent: 5228735 (1993-07-01), Morrow
Melius Terry Lee
Warnick IV Spencer K.
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