Beds – Sofa bed – Beds stowed under seat
Patent
1992-09-24
1994-07-19
Trettel, Michael F.
Beds
Sofa bed
Beds stowed under seat
5 122, 5 532, 5 52, 5 591, 297218, 297116, A47C 1712, A47C 1722
Patent
active
053296540
ABSTRACT:
A sofa system includes a unitary perimetric baseframe including a front panel, a rear panel and opposing side panels. The system also includes a hollow back portion having front and rear edges and an integral internal rigid frame, the back portion rotationally mounted between the side panels and to the rear panel by rear longitudinal hinge elements secured between said rear edge of a top portion and the rear panel. The system also includes a unitary seat portion having a front and rear edge and a rigid base, in which the seat portion is rotationally mounted between the side panels and to the front panel by a front longitudinal hinge element that is secured between the front edge of the rigid base of the seat portion and the front panel. Arms may, if desired, be rotationally mounted to the sides of the baseframe.
REFERENCES:
patent: 446874 (1891-02-01), Mee
patent: 1336062 (1920-04-01), Arton
patent: 1720842 (1929-07-01), Keinath
patent: 2069604 (1937-02-01), Elliman
patent: 2313878 (1943-03-01), Kline
patent: 2723401 (1955-11-01), Brede-Horst
patent: 3128123 (1964-04-01), Schreier
patent: 3695690 (1972-10-01), Carson
patent: 3857120 (1974-12-01), Acker
patent: 5129113 (1992-07-01), Sherman
Silverman M. K.
Trettel Michael F.
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