Fluid filled mattress with height measuring and control devices

Details Fluid filled mattress with height measuring and control devices Fluid filled mattress with height measuring and control devices

1986-10-09

1989-10-17

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5455, A47C 2708, A47C 2710

Patent

active

048737372

ABSTRACT:
This invention relates to a mattress (1) with one or more closed chambers (23) which are filled with a fluid and connected to means (20, 27) for supplying or removing fluid to or from a chamber (23) each chamber having a device (5,6,24,25) for measuring the distance between the top face and the bottom face of the chamber. The value of the measure distance can be compared with a desired or preset value can be displayed and can be used for manual or automatic control of the contents of each chamber.

REFERENCES:
patent: 4224706 (1980-09-01), Young et al.
patent: 4525886 (1985-07-01), Savenije
patent: 4542547 (1985-09-01), Sato
patent: 4634179 (1987-01-01), Hashimoto et al.
patent: 4679264 (1987-07-01), Mollura
patent: 4686722 (1987-08-01), Swart

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