Cutterhead attachment for a dredge

Details Cutterhead attachment for a dredge Cutterhead attachment for a dredge

1984-03-28

1985-05-21

Crowder, Clifford D.

Excavating

Peat excavators

37189, E02F 388

Patent

active

045177546

ABSTRACT:
An attachment for underwater dredging cutterheads mounted above and preceding the cutterhead for digging, breaking up and transferring upland material toward the cutterhead for removal thereby. The attachment includes a shaft above and preceding the dredge suction head having radially extending fingers thereon which engage and disintegrate the upland material and move the material toward the suction head. A hydraulic motor rotates the shaft, and an expansible chamber motor adjusts the shaft vertical position.

REFERENCES:
patent: 501870 (1893-07-01), Collins
patent: 660956 (1900-10-01), Henderson
patent: 1129351 (1915-02-01), Lake
patent: 2807104 (1957-09-01), Maxey
patent: 3706185 (1972-12-01), Chaplin
patent: 3777375 (1973-12-01), Smith
patent: 3971148 (1976-07-01), Deal

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