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Piece of seating furniture

  • US 4,962,962 A
  • Filed: 01/07/1988
  • Issued: 10/16/1990
  • Est. Priority Date: 01/09/1987
  • Status: Expired due to Fees
First Claim
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1. A piece of seating furniture having a seat carrier, a seat part articulated to the seat carrier, and a back part supported on a back carrier to provide a supporting force, the supporting force provided by the back part being adjusted in response to a weight applied to the seat part, characterized in that the seat part is mounted on the seat carrier for vertical adjustment by means of a parallelogram linkage against the force of a spring element, in that the force of the spring element is adjusted in response to the vertical adjustment of the seat part, and in that the back carrier is mounted for pivotal motion with respect to the seat carrier, a pivoting motion of the back carrier taking place against the force of the spring element, the vertical adjustment of the seat part adjusting the supporting force provided by the back part.

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  • 2 Assignments
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