Beds – Bedclothing – And means to facilitate changing thereof
Patent
1989-12-05
1990-11-27
Grosz, Alexander
Beds
Bedclothing
And means to facilitate changing thereof
5451, 5502, A47C 2708, A47G 900
Patent
active
049725343
ABSTRACT:
A mattress cover for use on a conventional innerspring mattress to give the same feeling as is provided by a waterbed, including a liquid-filled flat bladder having a small height from its top wall to its bottom wall. Insulative padding is included in a casing and held in position atop the bladder to reduce loss of a user's body heat to the liquid, and to provide support. The floating sensation imparted by the flotation cover is facilitated by a wall construction being of sufficient thickness to contain the water within a substantially fixed volume. Fibrous material may be arranged within the bladder to damp wave action of the liquid to a limited degree. A liner surroundingly encloses the lower parts of the bladder within the fabric casing to contain liquid leakage.
REFERENCES:
patent: 3576039 (1971-04-01), Roberts
patent: 3702484 (1972-11-01), Tobinick et al.
patent: 3958286 (1976-05-01), Rodinsky
patent: 4062077 (1977-12-01), Autrey et al.
patent: 4187566 (1980-02-01), Peterson
patent: 4213214 (1980-07-01), Gilhooly
patent: 4317244 (1982-03-01), Balfour-Richie
patent: 4424600 (1984-01-01), Callaway
patent: 4611357 (1986-09-01), Chelin
patent: 4672701 (1987-06-01), Kocsis
"ARDO", an ad from Time Products section of the Jul. 1983 issue of Flotation Sleep Industry.
"At Ease.RTM.", an ad from p. 23 of the 12/85 issue of Waterbed magazine.
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