Excavating – Peat excavators
Patent
1981-07-21
1982-12-28
Crowder, Clifford D.
Excavating
Peat excavators
37 67, 241 84, E02F 392
Patent
active
043654274
ABSTRACT:
The cutter head of a suction dredge has a crusher rotatably mounted within, cooperating with, and driven by a gear train from the head to crush and reduce the size of hard lumps dug by the head to reduce damage to and clogging of the suction and discharge lines and the dredge pump.
REFERENCES:
patent: 386866 (1888-07-01), Brainard
patent: 1087269 (1914-02-01), Baltz
patent: 2530951 (1950-11-01), Enright
patent: 3909960 (1975-10-01), Casciano
patent: 4296970 (1981-10-01), Hodges
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