发明名称 Adjustable basketball goal
摘要 A backboard arm is pivotally mounted to a mast member rearwardly offset from the ground supported mast member in which a jack is internally positioned for extending upwardly out of the upper end for engagement with the backboard arm extending over and outwardly thereof. The jack operates in compression and is substantially concealed from sight.
申请公布号 US5211393(A) 申请公布日期 1993.05.18
申请号 US19910777652 申请日期 1991.10.16
申请人 GOALSETTER SYSTEMS, INC. 发明人 ROLFFS, MERLAN;STEENHOEK, DENNIS H.;BRAND, DENNIS E.
分类号 A63B63/08 主分类号 A63B63/08
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