Beds – Sofa bed – Reverting back
Patent
1989-04-13
1990-07-03
Grosz, Alexander
Beds
Sofa bed
Reverting back
5 47, 297330, 297342, A47C 1704, A47C 1717
Patent
active
049379003
ABSTRACT:
A base frame is provided as well as a forward seat support, a rear seat back support and a kick panel support. First linkage structure is connected between the base frame and the seat back support for guided movement thereof between a raised generally upright position and a lowered generally horizontal position, second linkage structure is connected between the base frame and the seat support for guided movement thereof between a first generally horizontal position and a second slightly rearwardly and downwardly inclined position and third likage structure is operatively connected between the base frame and the kick panel support for movement thereof between a lowered upstanding position disposed foward of the main frame and a raised horizontal position. In addition, first connecting structures connected between the first and second linkage structure and second connecting structure is connected between the second and third linkage structure in a manner such that the rear seat back support, seat support and kick panel support all are disposed in their horizontal positions at one set of limit positions thereof and are disposed in their upright, slightly rearwardly and downwardly inclined and upstanding positions, respectively, thereof in the other set of limit positions of movement thereof, there being provided reversable electric motor driven screw jack assembly structure operatively connected between the main frame and one of the connecting links for simultaneous movement of the sections between the limit positions of movement thereof.
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