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Chair

  • US 4,429,917 A
  • Filed: 04/29/1981
  • Issued: 02/07/1984
  • Est. Priority Date: 04/29/1981
  • Status: Expired due to Fees
First Claim
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1. A chair comprising a seat, a back, a four bar linkage, said linkage including a base, said seat forming a second link of said linkage, said linkage including a third link having one end portion pivotably connected with a rear portion of said base and an opposite end portion pivotably connected with a rear portion of said seat, a fourth link having a first end portion pivotably connected with a forward portion of said base and a second end portion pivotably connected with a forward portion of said seat, and means for mounting and fixing said back to said fourth link for pivoting movement together with said fourth link about said pivotable connection between said fourth link and said base.

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