Inflatable supports

Details Inflatable supports Inflatable supports

1978-10-05

1980-10-07

Frazier, Roy D.

Beds

Bedclothing

And means to facilitate changing thereof

5455, 5469, 128 33, A61G 704, A47C 2710

Patent

active

042259894

ABSTRACT:
A ripple bed has an upper and a lower inflatable layer. The upper layer has separate air passages which are independently inflatable and deflatable to provide the rippling effect. The lower layer is separately inflatable to provide support over any area of the upper layer which is deflated.

REFERENCES:
patent: 1371919 (1921-03-01), Mahony
patent: 1772310 (1930-08-01), Hart
patent: 2719986 (1955-10-01), Rand
patent: 2998817 (1961-09-01), Armstrong
patent: 3148391 (1964-09-01), Whitney
patent: 3266064 (1966-08-01), Figman
patent: 3587568 (1971-06-01), Thomas

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