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Collapsible chair

DC
  • US 6,561,524 B1
  • Filed: 04/06/2000
  • Issued: 05/13/2003
  • Est. Priority Date: 04/06/2000
  • Status: Expired due to Fees
First Claim
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1. A collapsible chair for transporting people up and down stairs, the chair comprising:

  • a main frame;

    a seating assembly pivotally connected to the main frame for pivotal movement between open and closed positions;

    a pair of wheels rotatable mounted on the main frame to support the chair for movement over a surface;

    a rail assembly to support the chair for movement down stairs, and pivotally connected to the main frame for pivotal movement between open and closed positions;

    an upper frame section connected to and supported by the main frame, wherein the upper frame section has retracted and extended positions, and has forwardly facing and rearwardly facing positions; and

    a latching assembly for releasably holding the upper frame section in the retracted, extended, forwardly facing and rearwardly facing positions, wherein the latching assembly includes;

    a latch mounted on the main frame for sliding movement between an engaged position and a disengaged position;

    in the engaged position, the latch engages the upper frame section and holds the upper fame section in place;

    in the disengaged position, the latch is not engaged with the upper frames section and the upper frame section is moveable between the retracted, extended, forwardly facing and rearwardly facing positions; and

    biasing means engaging the latch and urging the latch into the engaged position.

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