Undermattress using paired slats and an elastic supporting membe

Details Undermattress using paired slats and an elastic supporting membe Undermattress using paired slats and an elastic supporting membe

1986-08-21

1987-11-03

Smith, Gary L.

Beds

Bedsteads

Having bottom

5238, 5258, 5468, A47C 2306

Patent

active

047035269

ABSTRACT:
The spring bridges of an undermattress are provided with lifting slats (9) which lift the unloaded mattress during the day for the purpose of better airing of the plywood springs (4, 5). During loading by a reclining person, the lifting slats (9) fall back below the upper edge of the plywood springs (4, 5) so that the mattress is then supported normally.

REFERENCES:
patent: 51981 (1866-01-01), Todd
patent: 66849 (1867-07-01), Johnson
patent: 2349839 (1944-05-01), Apicella
patent: 4222134 (1980-09-01), Deyen
patent: 4567615 (1986-02-01), Fanti
patent: 4573226 (1986-03-01), Wittmann et al.

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