Drag-head for a suction dredger with a pivotable sight

Details Drag-head for a suction dredger with a pivotable sight Drag-head for a suction dredger with a pivotable sight

1978-12-26

1981-05-05

Crowder, Clifford D.

Excavating

Peat excavators

E02F 392

Patent

active

042650356

ABSTRACT:
A drag head for a suction dredger having side blocks, which rest on unstirred soil, a pivotable sight, and a heel plate situated in front of the sight, the hinge for the sight being located at the lower edge of the sight.

REFERENCES:
patent: 724501 (1903-04-01), Reno
patent: 1840606 (1932-01-01), Scheffauer
patent: 3975842 (1976-08-01), Andreae

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