发明名称 STACKABLE SWIVEL CHAIR
摘要 A swivel chair has of an upper frame comprising a seat and, optionally, comprising a back rest, and an underframe and a supporting column. The supporting column extends between the upper frame and the underframe. The upper frame is pivotally mounted at the upper end of the supporting column by a bracket and the supporting column is mounted to the underframe. The supporting column is linked with the underframe outside the vertical projection of the upper frame and the seat, at its periphery, is provided with a recess, the width of which corresponds substantially to the outer diameter of the supporting column. The back rest, if present, is provided with a back rest cleavage corresponding to the recess.
申请公布号 CA2054167(A1) 申请公布日期 1992.04.26
申请号 CA19912054167 申请日期 1991.10.24
申请人 GRAD, JAN;KLUS, SYLVESTER;KARG, PETER W.;HERTIG, MICHAEL 发明人 GRAD, JAN;KLUS, SYLVESTER;KARG, PETER W.;HERTIG, MICHAEL
分类号 A47C3/04;A47C3/18 主分类号 A47C3/04
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