发明名称 BACKREST AND ADJUSTABLE ARM FOR A CHAIR
摘要 A chair having a backrest with a Y-shaped member. The member being affixed to the center of the top rail of the backrest frame at one end. The other end of the Y-shaped member is connected to the backrest fabric, pulls it rearward, and holds the backrest fabric in tension using a pair of retractors. The backrest fabric is secured to the retractors by a welt cord contained within a chamber formed in each retractor. The welt cord is sewn into a fabric sheath that is, in turn, stitched to the backrest fabric. The member is biased to flex rearward when the backrest fabric moves rearward from an at-rest position.
申请公布号 WO2005122833(A3) 申请公布日期 2007.04.19
申请号 WO2005US21872 申请日期 2005.06.14
申请人 HNI TECHNOLOGIES INC. 发明人 RAFTERY, WILLIAM, B.;MEYERS, PAUL;HEYDER, JOHN
分类号 A47C7/46;A47C1/03;A47C3/027;A47C7/02;A47C7/40;A47C7/54 主分类号 A47C7/46
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