Beds – Sofa bed – Reverting back
Patent
1984-09-06
1987-06-23
Grosz, Alexander
Beds
Sofa bed
Reverting back
5 66, 5 72, 5 80, 5443, 5481, A61G 700
Patent
active
046741402
ABSTRACT:
Bedspring articulated in three parts on a chassis, a head part, a center part, and a foot part, whereof the center part is essentially composed of two adjacent platforms wherein the articulations of each of the platforms are adjustable in normal and lengthwise translation with respect to the chassis and in lengthwise translation with respect to the platform in question, at least one of the head or foot parts is adjustable in normal translation with respect to the chassis, and at least one of the head or foot parts is adjustable tiltwise with respect to the chassis.
REFERENCES:
patent: 1118973 (1914-12-01), Troesch
patent: 2108913 (1938-02-01), Bawer
patent: 3245092 (1966-04-01), Kreuz
patent: 3974530 (1976-08-01), Lusch et al.
patent: 4103170 (1978-07-01), Spradlin
patent: 4277858 (1981-07-01), Bohme
patent: 4403357 (1983-09-01), Degen
Biefnot Henri
Boonants Marius
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