Beds – Sofa bed – Beds stowed under seat
Patent
1976-04-16
1977-07-05
Nunberg, Casmir A.
Beds
Sofa bed
Beds stowed under seat
5 18R, 5 29, A47C 1714, A47C 1706
Patent
active
040329992
ABSTRACT:
A furniture assembly such as a sofa bed which moves between a sitting configuration and a bed configuration including a metal support frame having end units with interconnecting beam members removably connected to the end units by bolts. A metal plate is secured to each end unit and includes a pair of slots inclined or slanted upwardly and forwardly from the rearward ends with U-shaped metal track members having flanges secured to the metal plates for defining laterally extending track surfaces. Inner and outer frames are pivotally connected together by an intermediate frame and are movable between a folded position and an unfolded position to define the bed configuration. The inner frame has bifurcated brackets secured thereto and shafts are connected to the bifurcated brackets and extend through the slots in the adjacent plates to support rollers which roll along the track members. The shafts have threaded nuts thereon and the shafts are the sole means for supporting the bed frames on the support frame. A leg member is pivotally connected to the intermediate frame and includes gear teeth disposed about the pivotal connection to the intermediate frame to coact with gear teeth on the inner frame whereby the leg member is moved to a leg supporting position upon relative pivotal movement between the intermediate frame end and the inner frame. A handle-leg unit is pivotally connected to the outer frame and includes first and second links pivotally connected together whereby the links may be moved from a collapsed stored position to an extended position for supporting the outer frame when in the bed configuration. A pin and an L-shaped slot interconnect the links for locking the links against relative pivotal movement. A catch or pin is disposed on the inner frame for coaction with the slot in one of the links whereby that link positions the inner and outer frames relative to one another when in the folded position and to selectively prevent the outer frame from being pivoted toward the unfolded position from the folded position.
REFERENCES:
patent: 3710402 (1973-01-01), Eakins
patent: 3871035 (1975-03-01), Gerth
patent: 3903553 (1975-09-01), Metayer
Nunberg Casmir A.
United States Steel Corporation
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