Beds – Bedclothing – And means to facilitate changing thereof
Patent
1988-10-26
1989-09-26
Grosz, Alexander
Beds
Bedclothing
And means to facilitate changing thereof
5475, 5470, 5465, 267 91, A47C 2704, A47C 3102
Patent
active
048689416
ABSTRACT:
An assembled bed mattress includes an upper sheet having a plurality of upper sleeves made as bellows protruding downwardly from the upper sheet, a lower sheet having a plurality of lower sleeves made as bellows protruding upwardly from the lower sheet each lower sleeve being axially aligned with each upper sleeve, a plurality of helical springs each spring jacketed in each upper sleeve and each lower sleeve, and a fastener wire or zipper securing the two sheets to form an integral bed mattress having the plurality of springs resiliently retained between the two sheets, whereby upon a dismantling of the two sheets, any partial damaged springs can be replaced with perfect springs for easier maintenance of a mattress.
REFERENCES:
patent: 1153644 (1915-09-01), Rilling
patent: 1271672 (1918-07-01), Crowley et al.
patent: 2146059 (1939-02-01), Drake
patent: 2247667 (1941-07-01), Rosberger
patent: 2415150 (1947-02-01), Stein
patent: 2425728 (1947-08-01), Cobb
patent: 3145020 (1964-08-01), Calla
patent: 3251078 (1966-05-01), Calla
patent: 3623171 (1971-11-01), Arkin
patent: 3950800 (1976-04-01), Garshfield
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