Adjustable back supporter

Details Adjustable back supporter Adjustable back supporter

1976-06-10

1978-01-10

Nunberg, Casmir A.

Beds

Bedsteads

Element or detail

297284, 297231, 5365, A47C 2714, A47C 2708

Patent

active

040670783

ABSTRACT:
An adjustable back support comprising a plurality of individual compartments which may be either equally or variably dimensioned to hold predetermined amounts of fluid therein. Fluid, either in the form of air or liquid, or both, are introduced into the fluid segregated compartments so as to expand the various compartments a predetermined amount in conformity to portions of a user's back. The compartments may be arranged in longitudinally aligned sets so as to provide greater versatility in conforming the individual portions or compartments of the back support to the body of the user. The valve assemblies may include both fluid and liquid flow valves such that heated fluid, either in the form of air or liquid, may be introduced into one or all of the various compartments to provide maximum comfort to the user.

REFERENCES:
patent: 2245909 (1941-06-01), Enfiajian
patent: 3112956 (1963-12-01), Schick et al.
patent: 3192541 (1965-07-01), Moore
patent: 3226601 (1967-06-01), Vanderbilt et al.
patent: 3271797 (1966-09-01), Boyce
patent: 3348880 (1967-10-01), Swann
patent: 3363941 (1968-01-01), Wierwille

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