发明名称 Safety base with anchor, methods of using and making, and associated tool
摘要 A base and ground anchor system uses a resilient fastening arrangement to severably hold the base so as to minimize the likelihood of injury to a sliding base runner, the ground anchor for the base having a pair of handles extending from the sides thereof to facilitate placement and correct positioning of the anchor in the ground, and the base having design features which provide varying severability characteristics of the base from the ground support system. Included among the base design features are the provision of integral channels in the base bottom, the provision of a two-piece base cover, wherein the base top may be of a different hardness and/or thickness than the base bottom which has fastening recesses therein to severably attach to the ground support, and the provision of a range of base cover hardnesses foam core densities, and numbers of fastener recesses from which a base can be designed according to the level of play in which the base will be used.
申请公布号 US5556089(A) 申请公布日期 1996.09.17
申请号 US19950441634 申请日期 1995.05.15
申请人 HALL, ROGER E. 发明人 HALL, ROGER E.
分类号 A63B69/00;E01F9/011;E01F9/018;E04H12/22;(IPC1-7):A63B71/00 主分类号 A63B69/00
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