Collapsible sofa bed mattress

Details Collapsible sofa bed mattress Collapsible sofa bed mattress

1995-03-29

1996-09-03

Saether, Flemming

Beds

Sofa bed

Link supported unfolding

5249, 5719, 5722, A47C 1704

Patent

active

055511040

ABSTRACT:
A mattress of a sofa bed contains a portion which is collapsible and portions which are conventional and non-collapsible. The collapsible and non-collapsible portions are hinged to fold within a sofa bed frame.

REFERENCES:
patent: 4377279 (1983-03-01), Schulz
patent: 4442556 (1984-04-01), Craigie
patent: 5257424 (1993-11-01), Rogers

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