Dredge head for dredging sludge by a trailing or pushing motion

Details Dredge head for dredging sludge by a trailing or pushing motion Dredge head for dredging sludge by a trailing or pushing motion

1996-04-01

1998-03-31

Reese, Randolph A.

Excavating

Beneath a body of water

Suction

37334, 37409, E02F 928

Patent

active

057324875

ABSTRACT:
A dredge head for dredging sludge by a trailing and pushing motion thereby defining a trailing and pushing direction is configured to be fitted on a ladder of a stationary dredger. The ladder is movable in the trailing and pushing direction for moving the dredge head. The dredge head includes: a component defining a passageway having a longitudinal axis in the trailing and pushing direction, the component being configured to be connected to a suction tube at a rear extremity thereof; a first scraper and a second scraper both disposed at a front extremity of the component and facing one another, the first scraper and the second scraper further having respective cutting edges extending transversely to the longitudinal axis of the passageway and defining an elongated opening therebetween, the first scraper being fixed with respect to the component and the second scraper being configured to have an adjustable height with respect to the first scraper; and a visor connected to the second scraper and being movable with respect to the component for effecting a height adjustment of the second scraper with respect to the first scraper.

REFERENCES:
patent: 927690 (1909-07-01), Singleton
patent: 1840606 (1932-01-01), Scheffauer
patent: 2061924 (1936-11-01), Slate
patent: 3462963 (1969-08-01), Moore
patent: 3521386 (1970-07-01), Francklyn
patent: 3748760 (1973-07-01), Schnell
patent: 3988843 (1976-11-01), Brockett, III
patent: 4150502 (1979-04-01), Sijthoff
patent: 4265035 (1981-05-01), Goedvolk

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