Water cushion stress-reducing assemblies for chairs and other se

Details Water cushion stress-reducing assemblies for chairs and other se Water cushion stress-reducing assemblies for chairs and other se

1986-04-02

1988-08-02

Zugel, Francis K.

Chairs and seats

Supplemental back

Including a means to adjust supplemental back relative to a...

297284, 297396, 297455, 297DIG3, A47C 702

Patent

active

047610115

ABSTRACT:
A water cushion assembly for a chair, constructed either as an integral assembly or as an attachment, has a plurality of horizontally-arranged vertically-spaced sections; and each of the casings is provided with an inner casing and respective valves for filling the casings with water (or other liquid) to a predetermined level. Each of the sections has a substantially oval cross-section, wherein the external surfaces of the sections are convex, yet are joined together. The front of the chair has a corresponding plurality of horizontally-arranged vertically-spaced scalloped recesses for supporting the respective sections. The assembly is removably secured to the chair by suitable straps provided with "VELCRO" fibrous fasteners (or other suitable means). Water cushion assemblies for the arm rests are also provided.

REFERENCES:
patent: 1976320 (1934-10-01), Austin
patent: 2589013 (1952-03-01), Martin
patent: 2867266 (1959-01-01), Vogler
patent: 3348880 (1967-10-01), Swann
patent: 3867732 (1975-02-01), Morrell
patent: 4067078 (1978-01-01), Winston
patent: 4108492 (1978-08-01), Kirby
patent: 4143909 (1979-03-01), McFarlin
patent: 4189181 (1980-02-01), Noble et al.
patent: 4391466 (1983-07-01), Smith
patent: 4547919 (1985-10-01), Wang

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