Interlocking foam waterbed mattress

Details Interlocking foam waterbed mattress Interlocking foam waterbed mattress

1989-07-13

1994-03-01

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5917, A47C 2708

Patent

active

052896013

ABSTRACT:
A waterbed mattress having an inner frame formed with a bladder cavity encircled by an outer foam frame which covers the bladder cavity and extends downwardly to define the sides and ends of the mattress. An interlocking complementary protrusion and recess connection are interposed between the inner and outer frames to permit the peripheral portion of the outer frame and inner frames to be lifted sufficiently that bedding may be tucked thereunder. The outer frame is then lowered and the weight of the bladder is transferred by the connection to the outer frame so as to securely hold the bedding in place. The connection is releasable to permit the upper frame to be lifted off the lower frame for access to the bladder cavity.

REFERENCES:
patent: 4057862 (1977-11-01), LaBianco
patent: 4221013 (1980-09-01), Echevarria
patent: 4389741 (1983-06-01), Larson
patent: 4506397 (1985-03-01), Fogel et al.
patent: 4602396 (1986-07-01), Fraige
patent: 4745646 (1988-05-01), Strobel

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