Recreational insert for inner tube

Details Recreational insert for inner tube Recreational insert for inner tube

1991-11-12

1993-07-06

Basinger, Sherman

Buoys, rafts, and aquatic devices

Body supporting buoyant device

With seat

114363, B63B 3574

Patent

active

052248917

ABSTRACT:
An insert for an inflatable, buoyant toroid has a bottom portion with one or more contoured, concave surfaces radially disposed about a circular base and one or more seating portions above the bottom portion. The center of gravity of the insert is on a vertical axis passing substantially through the center of the circular base whether the insert contains a passenger or not. A flotation device comprising the insert and an inflatable, buoyant toroid has positive stability in water. The center of gravity of the insert is adjusted by a ballasting apparatus. The insert is provided with a variety of comfort enhancing options. The insert includes fastening devices for fastening the insert to an inflatable buoyant toroid. An insert can be provided with a top portion including an access door for using the insert as an equipment storage device.

REFERENCES:
patent: 2618285 (1952-11-01), Heisig
patent: 2761155 (1956-09-01), Headley
patent: 2804123 (1957-08-01), Kling
patent: 3048859 (1962-08-01), Maillot
patent: 3099845 (1963-08-01), Chamberlain
patent: 3102280 (1963-09-01), Williams
patent: 3117327 (1964-01-01), Mathew
patent: 4367689 (1983-01-01), Lukehart et al.
patent: 4516943 (1985-05-01), Spieldiener
patent: 4564240 (1986-01-01), Thieme

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