发明名称 Low-profile umbrella base
摘要 An umbrella base comprises a base portion and a neck portion. The base portion has a disc with an upturned annular collar communicating with and extending from the top surface of the disc. The disc and the collar have hollow interiors filled with cement or sand, and has a central bore provided therethrough for receiving the neck of the neck portion. The neck portion further comprises a core coupled to the neck, with a bore provided through the neck and the core for receiving and holding the shaft of an umbrella.
申请公布号 US5354031(A) 申请公布日期 1994.10.11
申请号 US19930038708 申请日期 1993.03.29
申请人 DAYVA INTERNATIONAL, INC. 发明人 BILOTTI, ALFRED J.
分类号 A45B23/00;E04H12/22;F16M11/00;(IPC1-7):F16M13/00 主分类号 A45B23/00
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