Water bed safety liner

Details Water bed safety liner Water bed safety liner

1990-07-31

1991-07-02

Trettel, Michael F.

Beds

Bedsteads

Having bottom

5451, 5452, 5460, A47C 2708

Patent

active

050274538

ABSTRACT:
An improved waterbed safety liner including a water impervious bottom liner sheet integrally joined to a four-sided firm foam perimeter support cushion which itself is wrapped in plastic water impervious sheet forming an entire unit having waterproof integrity to receive the waterbed bladder. The safety liner includes a hose access valve in the bottom of the liner for ease in drainage of the waterbed bladder, a valve stabilizer for improved access to the bladder for filling and emptying the bladder, hinge-like construction of the lateral end peripheral foam support cushions to permit folding of the safety liner for storage and transport and a plurality of sheet grippers for use with conventional contoured bed sheets.

REFERENCES:
patent: 3707735 (1973-01-01), Carson, Jr.
patent: 3735432 (1973-05-01), Kreten et al.
patent: 4040133 (1977-08-01), Gilreath
patent: 4107799 (1978-08-01), Lambert
patent: 4186455 (1980-02-01), Fox, Jr. et al.
patent: 4187566 (1980-02-01), Peterson
patent: 4352217 (1982-10-01), O'Rourke
patent: 4393531 (1983-07-01), Hodel
patent: 4506397 (1985-03-01), Fogel et al.
patent: 4712262 (1987-12-01), Viggiano
patent: 4713852 (1987-12-01), Fox, Sr. et al.
patent: 4745646 (1988-05-01), Strubel

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