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Articulable bed with a translatable and orientation adjustable deck section and volumetrically adjustable compensatory element

  • US 9,009,895 B2
  • Filed: 03/05/2012
  • Issued: 04/21/2015
  • Est. Priority Date: 03/05/2012
  • Status: Active Grant
First Claim
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1. A bed comprising:

  • a deck having at least one section that is orientation adjustable about a laterally extending, longitudinally translatable axis that translates a prescribed distance in response to a change in orientation of the deck section;

    a mattress assembly including at least one volumetrically adjustable element associated with the orientation adjustable deck section, the element comprised of a set of N inflated and deflatable bladders adapted to change the thickness of a portion of the mattress assembly adjacent to the deck section in a direction nonparallel to the orientation of the section; and

    a controller adapted to command bladder inflation as a function of occupant characteristics and the orientation of the orientation adjustable deck section as specified in an inflation schedule set forth below.

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