Excavating – Peat excavators
Patent
1985-07-15
1986-12-30
Crowder, Clifford D.
Excavating
Peat excavators
37 57, 37 71, E02F 392
Patent
active
046318445
ABSTRACT:
An underwater dredging system using a power-driven shovel. The shovel is manipulated to accumulate dredged solid material in the shovel bucket and the bucket is in communication with a pump suction conduit continuously removing the dredged material from the bucket. Screens and guards prevent oversized particles from entering the suction conduit, and predetermined relationships and configurations of the bucket and the suction conduit accommodate the movements of the pivotally mounted bucket.
REFERENCES:
patent: 413091 (1889-10-01), Riker
patent: 2144743 (1939-01-01), Schulz
patent: 2178265 (1939-10-01), Peterson
patent: 2952083 (1960-09-01), Forkner
patent: 3495409 (1970-02-01), Riedemann
patent: 3774323 (1973-11-01), Vaughn
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