Water mattress with vertically oriented hydraulic chambers

Details Water mattress with vertically oriented hydraulic chambers Water mattress with vertically oriented hydraulic chambers

1988-05-19

1989-09-12

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5451, A47C 2708

Patent

active

048646709

ABSTRACT:
A watermattress includes a outer bladder for retaining water and an inner chamber assembly for inhibiting wave motion within the bladder. The chamber assembly includes a first chamber disposed generally vertically with respect to a second chamber. The walls of the respective chambers form a passage which permits a flow of water from the first chamber to the second chamber thereby providing the chambers with different collapsed characteristics. The top chamber may have relatively fast collapse characteristic providing a soft sitting surface while the second chamber can have relatively slow collapse characteristics to more significantly retard the downward movement of a person sitting on the mattress.

REFERENCES:
patent: 4329748 (1982-05-01), Finkelstein
patent: 4577356 (1986-03-01), Johenning et al.
patent: 4751756 (1988-06-01), Monzo

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