Beds – Bedclothing – And means to facilitate changing thereof
Patent
1978-04-13
1980-01-08
Stein, Mervin
Beds
Bedclothing
And means to facilitate changing thereof
5450, 5455, 5474, A47C 2708, A47G 900
Patent
active
041819900
ABSTRACT:
An improved perimeter support for a waterbed mattress. Sleeves are fixed to the liquid-containing bladder to be co-extensive with the marginal edge of the bladder. The sleeves are joined externally to the bladder so that the interconnecting seams are not adversely effected by action of, and reaction with, the liquid within the bladder. A self-contained chamber, filled with air or foam material, is slidably retained within each sleeve. The chamber provides sufficient lateral support for the bladder for effective body support; and if any one of the chambers is damaged, it can readily be replaced without having to replace the entire mattress.
REFERENCES:
patent: 2360715 (1944-10-01), Perry
patent: 2586031 (1952-02-01), Hatine
patent: 4079473 (1978-03-01), Phillips
Grosz Alexander
Kessler Lawrence P.
Stein Mervin
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