Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Knock-down sofa bed with hinged mattress










Image Number 2 for United States Patent #4204287.

A sofa bed convertible from a sofa to a bed having a self-supporting stationary section, a first movable section slidably attached to the stationary section, and a second movable section slidably attached to the first movable section. Independently supported spaced arms are removably attached to the sides of the stationary section to serve as arm supports for persons seated on the sofa bed, but not as structural supports for the stationary section. A hollow furniture-type back is removably connected between the arms. A hinged mattress overlies the stationary and movable sections when the sofa bed is being utilized as a bed. The rearmost portion of the mattress may be doubled over so that the resulting double-thickness section may slide rearwardly and upwardly into the hollow back for storage, with the forward part of the mattress forming a resilient seating surface when the sofa bed is being utilized as a sofa. Alternatively, the forwardmost portion of the mattress may be doubled over to form a cushion-like seating surface with the rearwardmost single thickness section sliding into the hollow back for storage.








 
 
  Recently Added Patents
Systems, computer programs, and methods for controlling costs of a healthcare practice
Lightning-protective explosion-preventive fastener
Cooking device and method of manufacture of the same
Method and system for producing fluoride gas and fluorine-doped glass or ceramics
Multiple input multiple output transceiver
Determination of copy number variations using binomial probability calculations
Wide bandwidth hybrid antenna for combination EAS and RFID label or tag
  Randomly Featured Patents
Layout structure of bit line sense amplifiers for a semiconductor memory device
Hypodermic needle guard and method to prevent needle stick injuries
Optical cross-connect module
Method for real time attitude assessment
Seed delinter
Die molding machine and pattern carrier
Imaging apparatus, control method thereof, and program
Decorative slipcover for low, medium and high back, resin chairs
METHOD AND LONG-TERM STABLE BICARBONATE-CONTAINING DILUENT COMPOSITION, AND STORAGE MEANS THEREFOR, FOR REDUCING OR REVERSING AERATION INDUCED CELL SHRINKAGE AND STORAGE INDUCED CELL SWELLING
Polysaccharide production using novel strains of Pseudomonas mendocina