Vibratory shellfish harvesters and methods

Details Vibratory shellfish harvesters and methods Vibratory shellfish harvesters and methods

1990-01-11

1991-07-02

Taylor, Dennis L.

Excavating

Peat excavators

37DIG7, 37DIG18, 172 40, 172393, E02F 500

Patent

active

050275330

ABSTRACT:
Shellfish harvesting devices including a frame to move over the submarine surface of a shellfish growing substrate and a plurality of tines extending down from it for penetration into the substrate, are improved by addition of a vibrator to impart a vibratory motion to the tines, but not appreciably vibrate other parts of the frame, e.g., runners. The harvesting of clams or like bivalves with the tines vibrating while being pulled through the substrate mitigates environmental damage to the shellfish growing area and reduces the energy required to pull the devices forward on the substrate.

REFERENCES:
patent: 3948329 (1976-04-01), Cummings
patent: 4112602 (1978-09-01), Kato et al.
patent: 4425723 (1984-01-01), Erlandsen
patent: 4828690 (1989-05-01), Montez
patent: 4896730 (1990-01-01), Jarrett et al.

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