Beds – Sofa bed – Extension
Patent
1992-03-24
1993-03-23
Trettel, Michael F.
Beds
Sofa bed
Extension
5 17, 5 21, A47C 1713
Patent
active
051951932
ABSTRACT:
A convertible sofa includes a rectangular supporting frame provided with a supporting feet resting on the floor and with rigid vertical perimeter structures forming the back and arms, two pairs of rectilinear guides parallel to each other and carrying the arms on the traverse sides, between each pair of slides are mounted free-running rollers with horizontal axes capable of supporting and guiding a respective bar-shaped member which is freely slidable between the pairs parallel guides and which are integral at their front ends with a longitudinal bar provided with supporting wheels resting on the floor so as to enable two stable positions, one of which corresponds to a single bed position.
REFERENCES:
patent: 2436546 (1948-02-01), Binenkorb
patent: 2548570 (1951-04-01), Udd
patent: 2943333 (1960-07-01), Blecker et al.
patent: 3027570 (1962-04-01), Kamp
patent: 3123836 (1964-03-01), Bendell
patent: 3167788 (1965-02-01), Muphy et al.
patent: 3284813 (1966-11-01), Sevcik
patent: 3571825 (1971-03-01), Bendell
patent: 3813709 (1974-06-01), Friedman
patent: 3896512 (1975-07-01), Black
patent: 4166299 (1979-09-01), DuShane et al.
Dubno Herbert
Flou S.p.A.
Kateshov Yuri
Trettel Michael F.
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