发明名称 Flexed fan umbrella apparatus
摘要 Umbrella apparatus includes a plurality of flexible support elements extending outwardly from a common location on a base cross piece. Flexible material is secured to the base cross piece and to the flexible elements. The umbrella apparatus is foldable when tension is removed between the flexible elements and the base cross piece.
申请公布号 US4658843(A) 申请公布日期 1987.04.21
申请号 US19850788060 申请日期 1985.10.16
申请人 RAYMOND, ROBERT J. 发明人 RAYMOND, ROBERT J.
分类号 A45B23/00;A45B25/02;(IPC1-7):A45B21/00;A45B11/00;A63H27/08 主分类号 A45B23/00
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