Fish lifting device

Details Fish lifting device Fish lifting device

A - Human Necessities

01

K

119/2

A01K 79/00 (2006.01)

Patent

CA 1308313

FISH LIFTING DEVICE ABSTRACT OF THE DISCLOSURE Fish lifting devices using the principle of the Archimedes' screw are known. Such devices have used a lattice- work screw entry portion to dewater the screw at the point of entry of the fish. The present invention provides a venting system which causes a fish-attracting current at the entry to the device and further substitutes more economical dewatering slots in the outer shell for the lattice work screws.

591569

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