Resources Contact Us Home
Bed having user variable degree of hardness

Image Number 2 for United States Patent #5504952.

A bed including a base, a mattress overlying the base and apparatus for varying the hardness of the bed to take into account the changing personal circumstances of the user, for example, aging, gaining weight etc. and to compensate for the wear and tear on the mattress. The base includes a generally rectangular frame and a plurality of crosspieces traversing thereacross such that the hardness of the bed is varied by varying the number of crosspieces. The mattress includes a filling in which its hardness is varied by varying the amount of the filling, its components or adjusting the packing density of a composite filling having a foam substrate with a plurality of substantially incompressible marble-size balls embedded therein.

  Recently Added Patents
Tray for microwave cooking and folding of a food product
Systems, methods, and devices for selling transaction instruments via web-based tool
Power saving methods for wireless systems
Rechargeable battery
System, device and method for transrating file based assets
Nonvolatile memory device
Motion-compensated prediction of inter-layer residuals
  Randomly Featured Patents
Blocked polyisocyanates with improved thermal stability
Method for producing form wound stator coils
Method and system for distributed processing of traffic in a telecommunications node
Joining device for chandelier ornaments
Footwear sole
Bacteria static filter assembly
Topical applicator with cap
Vehicle storage unit
Fluid pressure control valve for vehicle braking systems
Hinged arm retainer arrangement