Beds – Sofa bed – Extension
Patent
1991-06-10
1992-04-07
Trettel, Michael F.
Beds
Sofa bed
Extension
5 181, 5 30, A47C 1713
Patent
active
051015242
ABSTRACT:
A sofa that is convertible into a platform bed has a transversely extending stationary frame. A left arm assembly, a right arm assembly and a back assembly are attached to the stationary frame. The sofa seat and back cushions are removable from a support surface located above the stationary frame. A plurality of laterally spaced telescoping slide assemblies have their rear ends secured to the stationary frame. The telescoping slide assemblies each have an elongated rear telescoping member, at least one elongated intermediate telescoping member and an elongated front telescoping member and all of the telescoping members have a top wall surface that remains in substantially the same horizontal plane when they are in their retracted position and when they are in their extended position. The cushion support platform assembly may take one of several forms but they all stow in a position above the stationary frame and below the seat cushion. The cushion support platform in its extended position has a bottom planar surface that rests on the planar top surface of the telescoping slide assemblies in their extended state.
REFERENCES:
patent: 1602701 (1926-10-01), Petersen
patent: 2997724 (1961-08-01), Heumann
patent: 3041635 (1962-07-01), Holztclaw
patent: 3079614 (1963-03-01), Jackson
patent: 4366585 (1983-01-01), Ponti et al.
patent: 4481684 (1984-11-01), Hanck
patent: 4803742 (1989-02-01), Rasnick et al.
Logan II Charles C.
Trettel Michael F.
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