Mattress hinges to provide greater stability and lower shear

Details Mattress hinges to provide greater stability and lower shear Mattress hinges to provide greater stability and lower shear

2007-10-05

2008-10-28

Santos, Robert G (Department: 3673)

Beds

Invalid bed or surgical support

Sectional user supporting surface

C005S715000, C005S713000, C005S722000, C005S727000, C005S732000

Reexamination Certificate

active

07441290

ABSTRACT:
A rotational mattress has (a) a support surface and a rotating bladder object or (b) the support surface, the rotating bladder and a cushion material object. Depending on the embodiment used, the rotating bladder object and/or cushion material object has at least one longitudinal hinge; a longitudinal hinge extends from the object's head end toward the object's foot end. In one embodiment, the longitudinal hinge can be a shaped aperture and within the shaped aperture is a second cushion material. The second cushion material is less rigid than the cushion material.

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