发明名称 Yard swing stabilizer apparatus
摘要 Support tubes of an associated yard swing arrangement are mounted to stabilizer apparatus, including an upper tube portion coaxially mounted to a lower tube portion. The lower tube portion includes a "V" shaped anchor plate member arranged for projection into an underlying ground surface. A modification of the invention includes anchor rods pivotally mounted relative to an inner tube arranged for projection through slots of an outer tube for securement to an underlying ground surface in the anchoring of the yard swing structure to the inner tube.
申请公布号 US5217194(A) 申请公布日期 1993.06.08
申请号 US19920848072 申请日期 1992.03.09
申请人 BROWNELL, HUGH L. 发明人 BROWNELL, HUGH L.
分类号 A63G9/00;E02D5/80;E02D27/42;E04H12/22 主分类号 A63G9/00
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