Floatation sleep system including a rectilinear perimeter air ch

Details Floatation sleep system including a rectilinear perimeter air ch Floatation sleep system including a rectilinear perimeter air ch

1986-09-02

1988-04-26

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5457, A47C 2710

Patent

active

047395303

ABSTRACT:
An improved air chamber for use with a marginal perimeter support adapted to surround and support a fluid-filled bladder of a floatation sleep system. The air chamber comprises an elongated cylinder closed at its ends to form an air-tight chamber. Opposing interior surfaces of the cylinder are interconnected by, for example, tie members extending in a longitudinal direction within said elongated cylinder for less than the full longitudinal dimension of such cylinder. The tie members divide the cylinder into at least three sections located one on top of another, with such sections being in flow intercommunication. Moreover, with this invention, the cross-sectional area of the upper- and lower-most sections may be substantially equal and greater than the cross-sectional area of any intermediate sections. Further, a valve extends through a wall of said elongated cylinder for enabling selective pressurization of the air-tight chamber, whereby under such pressurization the tie members cause the cylinder to assume a substantially rectilinear overall external configuration. A plurality of air chambers can be arranged to form the rectilinear marginal perimeter support for a bladder of a floatation sleep system, with such chambers being readily individually replaced.

REFERENCES:
patent: 3251075 (1966-05-01), Saltness et al.
patent: 4092750 (1978-06-01), Ellis
patent: 4501036 (1985-02-01), Santo

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