发明名称 Beach umbrella anchoring device
摘要 A shading device including an umbrella-like canopy comprising a collapsible frame and a flexible light-proof covering with a anchoring device for supporting the shade device above ground so that the canopy will serve as a sun shade, particularly for blocking the rays of the sun wherein the anchoring device including an offset support arm for overhanging the canopy and a anchoring helix adapted to be driven into the ground for providing support to the shading device, said anchoring device is mounted to the other end of a crankshaft with a hand crank for rotating the crankshaft in screw fashion to drive the anchoring helix to impart rotational force to drive the helical member of the anchoring device into the ground for anchoring.
申请公布号 US5396916(A) 申请公布日期 1995.03.14
申请号 US19940218673 申请日期 1994.03.25
申请人 BOISSONNAULT, ROBERT 发明人 BOISSONNAULT, ROBERT
分类号 A45B7/00;A45B23/00;E04H12/22;(IPC1-7):A45B3/00 主分类号 A45B7/00
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