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Advanced articulation system and mattress support for a bed

  • US 8,806,682 B2
  • Filed: 12/21/2007
  • Issued: 08/19/2014
  • Est. Priority Date: 07/30/2004
  • Status: Active Grant
First Claim
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1. A patient support apparatus, comprising;

  • a frame;

    a deck coupled to the frame, the deck having a plurality of deck sections including a seat section and upper and lower deck sections, wherein the upper and lower deck sections each independently pivot between a lowered position and a raised position about a common pivot axis, the common pivot axis remaining stationary relative to and located above the seat section;

    at least the lower deck section being spaced from the seat section at least when the lower deck section is in the lowered position; and

    a mattress supported by the deck, wherein the mattress has a seat portion located above the seat section of the deck, and the common pivot axis is located above the seat portion of the mattress.

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