发明名称 Backrest assembly for a seating arrangement
摘要 A foldable apparatus for providing a surface and storage for a person of any age to use for play or engage in activities while mobility is being restricted having rotatable joints with locking device and located at corresponding members for optimum space saving. In some embodiments of this invention, the height of the apparatus can be adjusted by operating the devices in the vertical members of said apparatus.
申请公布号 US2004100135(A1) 申请公布日期 2004.05.27
申请号 US20030665272 申请日期 2003.09.17
申请人 KING DAVID RUSSELL;HIGGS STEVEN 发明人 KING DAVID RUSSELL;HIGGS STEVEN
分类号 A47C7/40;(IPC1-7):A47C7/40 主分类号 A47C7/40
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