Submersible floatation structure

Details Submersible floatation structure Submersible floatation structure

1980-09-03

1983-05-24

Frankfort, Charles E.

Buoys, rafts, and aquatic devices

Body supporting buoyant device

With seat

114331, B63C 930

Patent

active

043848575

ABSTRACT:
A submersible floatation structure is formed of lengths of tubing which are interconnected by fittings. In one embodiment, the tubing end fittings are formed of a polymeric material, such as polyvinyl chloride. The tubing lengths and fittings are interconnected to form a selectable configuration, which, in some embodiments, may be in the form of a reclining chair, a raft, a buoy, or a life preserver ring. Valves are provided for allowing water to enter the structure and thereby provide a ballast which serves selectably to submerge the structure, or render the structure for use on land.

REFERENCES:
patent: 1555589 (1925-09-01), Farina
patent: 2717400 (1955-09-01), Bourdon
patent: 2803839 (1957-08-01), Mosley
patent: 3084358 (1963-04-01), McLean
patent: 3211495 (1965-10-01), Nielson
patent: 3425231 (1969-02-01), Rehrer
patent: 3620570 (1971-11-01), Wilson
patent: 3740095 (1973-06-01), Nail
patent: 3751030 (1973-08-01), Winters
patent: 4115888 (1978-09-01), Sievers

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