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Chair

  • US 7,770,973 B2
  • Filed: 05/18/2007
  • Issued: 08/10/2010
  • Est. Priority Date: 05/22/2006
  • Status: Expired due to Fees
First Claim
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1. A chair comprising:

  • a seat,a base support,a backrest,a base-seat pivoting mechanism for mounting the seat on the base support so as to be pivotable about a first pivoting axis,a backrest-seat pivoting mechanism for mounting the backrest on the seat so as to be pivotable about a second pivoting axis separated by a distance from the first pivoting axis, anda coupling system which couples the backrest to the seat, the coupling system includinga locking mechanism for adjusting and then setting a distance between the first pivoting axis and the second pivoting axis so as to set a depth of the seat, anda coupling mechanism by which a pivoting movement of the seat relative to the base support about the first pivoting axis causes a pivoting movement of the backrest relative to the seat about the second pivoting axis with a specified synchronous relationship between the degree of pivoting of the seat and the inclination of the backrest.

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