发明名称 Base for an umbrella
摘要 A base for an umbrella and the like includes four legs set at substantially ninety degree angles with respect to one another and a tiltable umbrella pole receptacle. The four legs are restable upon a planar surface such as the ground or pavement. The legs are interconnected by tension rods whereby a first pair of adjacent legs are adjoined by a first tension rod, a second pair of adjacent legs are adjoined by a second tension rod, a third pair of adjacent legs are adjoined by a third tension rod, and a fourth pair of adjacent legs are adjoined by a fourth tension rod. The receptacle is pivotably mounted to the legs whereby the angle of the umbrella pole may be altered relative to the surface upon which the base is set at rest. The receptacle may be locked into a selected angle by a pair of adjustment rods fixed to two of the legs.
申请公布号 US5060907(A) 申请公布日期 1991.10.29
申请号 US19900464036 申请日期 1990.01.12
申请人 UNISTRUT CORPORATION 发明人 CASTANO, FRANCISCO
分类号 A45B23/00;E04H12/22;F16M11/04 主分类号 A45B23/00
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