Excavating – Processes
Patent
1978-06-16
1980-08-12
Crowder, Clifford D.
Excavating
Processes
37 55, A01K 7500, E02F 500
Patent
active
042165954
ABSTRACT:
A method of collecting shellfish using a device riding on the bottom of the water and towed by a boat. The device has a number of obliquely extending tines and a net bag at the back of the tines for collecting shellfish which ride up onto the tines. The device is held by a rope without powered movement of the boat itself and moved selectively with respect to the boat by pulling on the rope through a winch, thereby moving the apparatus on the water bed to collect the shellfish.
REFERENCES:
patent: 27213 (1860-02-01), Force
patent: 2002599 (1935-05-01), Bennett
patent: 2648918 (1953-08-01), Mazzella
patent: 2672700 (1954-03-01), Hanks, Jr.
patent: 3113389 (1963-12-01), Vuskovich
patent: 3367048 (1968-02-01), Doughty
patent: 3608217 (1971-09-01), Voisin, Sr.
patent: 3777377 (1973-12-01), Toritani
Kato Hisao
Sakamoto Yohei
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