发明名称 Back support for seat
摘要 An orthopedic back support for displacing a person's weight from the lower area of the spine by providing support for the upper torso and for use with a chair or seat having a seat base and a seat back. A flexible fabric cross piece is connected between vertical members to provide back support. The cross piece may include vertical channels or sleeves at opposite sides to receive and support the vertical members. A flexible strap is connected to the fabric or the vertical members and adapted to be positioned behind a seat or a head rest. The entire unit is portable or may be fabricated as part of a seat.
申请公布号 US7469963(B2) 申请公布日期 2008.12.30
申请号 US20070980801 申请日期 2007.10.31
申请人 发明人
分类号 A47C7/02;A47C7/54 主分类号 A47C7/02
代理机构 代理人
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