Auger type dredging head

Details Auger type dredging head Auger type dredging head

1990-07-16

1991-10-29

Corbin, David H.

Excavating

Peat excavators

37 72, E02F 392

Patent

active

050604040

ABSTRACT:
An auger type dredge head may be mounted on a dredge ladder in a selected angular position with respect to the ladder axis, for sweeping or fore and aft operation, and a selected angular position may be set and maintained with respect to the dredge barge. The head has movable shrouds on opposite sides of the auger, the shrouds carrying doors which open automatically to eject matter too large to be accommodated by the dredge suction pipe. The shrouds have sloping fins on their inner faces to aid in the movement of dredged material to a centrally located suction pipe inlet.

REFERENCES:
patent: 444099 (1891-01-01), Humphreys
patent: 1808066 (1931-06-01), Plummer
patent: 3521387 (1970-07-01), Degelman
patent: 3962803 (1976-06-01), O'Brien
patent: 3971148 (1976-07-01), Deal
patent: 4146982 (1979-04-01), Norisugi
patent: 4942682 (1990-07-01), McDowell

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