Mattress for a sitting or lying person

Details Mattress for a sitting or lying person Mattress for a sitting or lying person

1981-03-13

1983-05-17

Grosz, Alexander

Beds

Having safety device

Side guard

5417, 5448, 128 62R, 297460, 297284, D24 36, A47C 2700, A61H 700

Patent

active

043833420

ABSTRACT:
A molded elastic mattress is formed with a plurality of laterally directed ribs for coming into contact with a human body. The ribs are tilted with respect to the longitudinal axis to relieve pressure on the dorsal spine.

REFERENCES:
patent: 1510647 (1924-10-01), Bomar
patent: 1904039 (1933-04-01), Bruder
patent: 2742957 (1956-04-01), Young
patent: 3681797 (1972-08-01), Messner
patent: 3742528 (1973-07-01), Munch
patent: 3974532 (1976-08-01), Ecchuya
patent: 3990742 (1976-11-01), Glass et al.

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