Flotation device

Details Flotation device Flotation device

1997-01-30

1998-07-14

Swinehart, Ed L.

Buoys, rafts, and aquatic devices

Water rescue or life protecting apparatus

Personal flotation device

B63C 908

Patent

active

057795126

ABSTRACT:
A small bouyant tube is concentrically joined to a larger bouyant tube. The circle of joinder may be at any point from the inner circumference of the outer, larger tube up to the top of the outer tube. Thus, the inner, smaller tube may fit entirely within the outer tube, or be relatively larger in size and positioned upwardly from, but still partially within, the outer tube. The inner and outer tubes are preferably inflatable, wherein the inner tube may have an irregular contour for a more comfortable fit around the neck of the user floating in water. By comfortably and safely supporting the neck region above the surface of the water, the present invention inhibits movement of the spinal cord and reduces pressure thereto for relaxation and/or therapeutic purposes.

REFERENCES:
patent: 1561916 (1925-11-01), Ernst
patent: 2210809 (1940-08-01), Gray
patent: 2742654 (1956-04-01), Hurt
patent: 3048860 (1962-08-01), Richardson
patent: 4021873 (1977-05-01), Francois
patent: 4360396 (1982-11-01), Marbach
patent: 4538998 (1985-09-01), Holzel
patent: 4655718 (1987-04-01), Lucius
patent: 4687452 (1987-08-01), Hull
patent: 4820221 (1989-04-01), Aubrey
patent: 5217400 (1993-06-01), Creek et al.
patent: 5334067 (1994-08-01), Henry et al.

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