×

Chair

  • US 5,080,435 A
  • Filed: 06/19/1991
  • Issued: 01/14/1992
  • Est. Priority Date: 06/22/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. In a chair, in particular an office chair, comprising a seat and a back rest which are pivotal in relationship to a supporting column, the improvement which comprises:

  • the back rest is mounted on a carrier which is pivotable about a first horizontal axis which is fixed with reference to the column, a downwardly directed first control means is mounted for pivotal movement about a second axis which is provided on the carrier in front of the first axis, a second control means is directed upwardly toward a front section of the seat, a lower end of said first control means being mounted for pivotal movement about a third axis at a lower end of said second control means, an upper end of said second control means being connected for pivotal movement about a fourth axis with respect to the front section of said seat, said carrier is connected for pivotal movement about a fifth horizontal axis mounted below the second axis on the carrier with respect to a substantially horizontal third control means, the other end of said third control means being mounted for pivotal movement about a sixth axis lying above the third axis on the second control means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×