Beds – Bedclothing – And means to facilitate changing thereof
Patent
1979-06-07
1981-03-17
Nunberg, Casmir A.
Beds
Bedclothing
And means to facilitate changing thereof
5442, 5449, 5458, 297456, A47G 900
Patent
active
042558247
ABSTRACT:
A cushion for the relief of, and the prevention of Decubitus Ulcers, has two elongated cylindrical portions spaced apart from each other over a substantial portion of their length, and supported in substantially the same plane by two similar cylindrical portions. The cylindrical portions are inflatable sealed cylinders which have interconnecting openings whereby inflation of all of the cylinders is accomplished through a single valve in communication with one of the cylinders. The cylinders may be inflated by any of a number of fluid media including air and other similar gaseous materials; foam, mud, or any other similar liquid materials.
REFERENCES:
patent: 1361453 (1920-12-01), Frey
patent: 2239300 (1941-04-01), O'Dell et al.
patent: 2843181 (1958-07-01), Paschen
patent: 3602928 (1971-09-01), Helzer
patent: 3965508 (1976-06-01), Hunter
patent: 4115885 (1978-09-01), Davis
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