Clam dredge

Details Clam dredge Clam dredge

1983-01-28

1984-01-17

Crowder, Clifford D.

Excavating

Peat excavators

37119, 171107, 172393, 172688, E02F 500, A01K 7500

Patent

active

044257236

ABSTRACT:
A shellfish dredge includes a pair of longitudinally extending parallel and spaced apart runners having a collecting bag mounted adjacent the rear thereof. The runners support a frame comprising a pair of longitudinally extending spaced apart skids and at least two crossbars connecting the skids together. Secured to each crossbar and extending forwardly and downwardly therefrom at an acute angle are a plurality of tines thereby forming at least two parallel rows of parallel arranged tines. The skids extend downwardly beneath the bottom of the runners and are tapered at their forward ends so that the frame and tines will be cammed upwardly should the skids encounter an obstruction. Springs located between the runners and the skids bias the skids downwardly but allow for limited vertical movement between the runners and the skids.

REFERENCES:
patent: 27213 (1860-02-01), Force
patent: 279373 (1883-06-01), Friend
patent: 381835 (1888-04-01), Gorsuch
patent: 494614 (1893-04-01), Wyman
patent: 1323122 (1919-11-01), Taylor
patent: 2307436 (1943-01-01), Wadelton et al.
patent: 3126865 (1964-03-01), Wiegardt, Jr.
patent: 3226854 (1966-01-01), Mero

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