Mechanism and chair for powered combined and independent seat back and leg rest motion

  • US 8,608,240 B2
  • Filed: 09/09/2011
  • Issued: 12/17/2013
  • Est. Priority Date: 09/09/2011
  • Status: Active Grant
First Claim
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1. A furniture member mechanism for power combined and independent seat back and leg rest motion, comprising:

  • a first actuator device connected to and electrically operated to displace a seat back member between an upright position and a fully reclined position; and

    a second actuator device connected to and electrically operated to displace a leg rest member between a stowed and a fully extended position;

    a drive rod axially rotated by the second actuation device to extend or retract the leg rest member;

    a swing connection tube freely rotatably connected to the drive rod such that axial rotation of the drive rod does not rotate the swing connection tube;

    first and second seat back actuation links connected to the swing connection tube, the first and second seat back actuation links connected to the seat back member such that displacement of the first and second seat back actuation links by rotation of the swing connection tube rotates the seat back member; and

    the mechanism selectively operated either having one of the first and second actuator devices energized while the other one of the first and second actuator devices is de-energized, or having both the first and second actuator devices energized simultaneously.

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