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Tilting control assembly for chair

  • US 5,224,758 A
  • Filed: 12/26/1990
  • Issued: 07/06/1993
  • Est. Priority Date: 12/27/1989
  • Status: Expired due to Fees
First Claim
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1. A tilting control assembly for a chair, said chair comprising support means;

  • a tiltable member pivotally connected to said support means by lateral shaft means, said tiltable member being downwardly tiltable by pivoting about said lateral support shaft means; and

    a seat carrier arranged above said support means to move downwardly toward said support means against weight responsive spring means under the weight of a sitter, said weight responsive spring means being arranged under said seat carrier;

    said tilting control assembly comprising;

    tilting control spring means arranged between said support means and said tiltable member to provide a support position for elastically supporting said tiltable member against tilting thereof relative to said support means; and

    displacing means responsive to said weight for automatically displacing said support position relative to said tiltable member in a manner such that said support position becomes farther from said support shaft means as said weight increases.

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