发明名称 BACK REST
摘要 A back rest suitable for use by one or more persons which is designed for easy assembly and portage. A material such as canvas is releasably secured to a pair of frames which are hingedly connected together enabling two persons to use the same rest in back-to-back position. The supporting material is removable from the frames whereby the components may be rolled into a compact package for storage purposes.
申请公布号 US3822424(A) 申请公布日期 1974.07.09
申请号 US19730329102 申请日期 1973.02.02
申请人 MESSER T,US 发明人 MESSER T,US
分类号 A47C9/10;(IPC1-7):A47C21/00;A47G9/00 主分类号 A47C9/10
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