Support structure for sofa beds, with pull-out, raisable auxilia

Details Support structure for sofa beds, with pull-out, raisable auxilia Support structure for sofa beds, with pull-out, raisable auxilia

1989-09-08

1991-08-13

Grosz, Alexander

Beds

Sofa bed

Extension

5 121, 5 511, A47C 1713, A47C 1732

Patent

active

050384228

ABSTRACT:
Support structure for sofa beds, with pull-out, raisable auxiliary bed, which comprises an upper frame carrying support means for a mattress and connected, by means of rods linked as a parallelogram, to two lower bars transverse to the larger dimension of the frame, blocking means being present for the raised position and balancing means for the weight of the frame, the sofa bed being equipped with a seat-back adjustable in position.

REFERENCES:
patent: 2557692 (1951-06-01), Robinson
patent: 2876463 (1959-03-01), Barath
patent: 3253283 (1966-05-01), Jorgensen et al.
patent: 3282566 (1966-04-01), Clarke
patent: 3855650 (1974-12-01), Neunherz et al.
patent: 4556198 (1985-12-01), Tominaga
patent: 4953242 (1990-09-01), Harris

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