Surge dampened water bed mattress

Details Surge dampened water bed mattress Surge dampened water bed mattress

1979-07-20

1981-10-06

Frazier, Roy D.

Beds

Bedclothing

And means to facilitate changing thereof

5457, 137574, A47C 2708

Patent

active

042927021

ABSTRACT:
An elongate flotation mattress having horizontal top and bottom walls, vertical side and end walls, a plurality of vertical, laterally spaced, longitudinally extending partitions between the top and bottom walls and coextensive with the major central portion of the mattress and defining longitudinally extending fluid conducting tunnels; and a fluid medium slackly filling the mattress structure; the partitions are serpentine and are arranged whereby each tunnel defines a plurality of longitudinally spaced flow restricting venturi and circulating chambers between the venturi to slow and dampen surging and residual wave action of fluid when fluid within the mattress is displaced by forces directed onto the top wall; the mattress further includes apertured flow-controlling diaphragms at the ends of the tunnels.

REFERENCES:
patent: 3456270 (1969-07-01), Weinstein et al.
patent: 3840921 (1974-10-01), Labianco
patent: 3848282 (1974-11-01), Viesturs
patent: 4152796 (1979-05-01), Fogel
patent: 4167795 (1979-09-01), Lambert, Jr.
patent: 4208748 (1980-06-01), Lobach
patent: 4247962 (1981-02-01), Hall

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