| 摘要 |
PCT No. PCT/DE88/00757 Sec. 371 Date Aug. 28, 1990 Sec. 102(e) Date Aug. 28, 1990 PCT Filed Dec. 10, 1988 PCT Pub. No. WO89/06100 PCT Pub. Date Jul. 13, 1989.A chair, in particular a work or office chair, having a backrest rod adjustable in inclination with respect to a seat and a backrest slidable thereon, which can be displaced with an adjustment device when the backrest rod is tilted backward in the direction of the seat. The adjustment device has a single knee lever which is pivotally seated around a horizontal pivot axis on a bracket supporting the seat or on a seat support on the bracket. The tilt of the bracket or the seat support can be adjusted. An extension of the backrest is flexibly connected with one end of the arm of the knee lever. One end of another lever arm of the knee lever is pivotal with a retaining bolt of the backrest rod or the seat support in such a way that during backward tilt of the backrest rod or lowering of the seat support, the one lever arm of the knee lever displaces the extension and the backrest in a direction toward the bracket or the seat support. |
