Floating grab installation for the recovery of sand and gravel

Details Floating grab installation for the recovery of sand and gravel Floating grab installation for the recovery of sand and gravel

1992-06-18

1993-11-09

Reese, Randolph A.

Excavating

Beneath a body of water

Endless

37341, 4141377, 4141411, 4141412, 4141423, 299 9, E02F 3413, E02F 702, E02F 706

Patent

active

052591301

ABSTRACT:
A floating grab installation for recovery of sand and gravel is disclosed. The installation includes a catamaran-type float or pontoon having a gripper and gripper support thereon. The gripper transfers the sand and gravel to an underwater tank having an endless bucket dredge which plunges to its lowest point.

REFERENCES:
patent: 496342 (1893-04-01), Collins
patent: 698032 (1902-04-01), Long
patent: 1315921 (1919-09-01), Fouchy
patent: 1603498 (1926-10-01), Wallace
patent: 3604573 (1971-09-01), Leitch
patent: 4216997 (1980-08-01), Fiebig
patent: 5072991 (1991-12-01), Rohr

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