发明名称 Split weight bladder football
摘要 A football comprising a generally elliptical bladder, generally oval panels seamed thereover, lacing components along one seam and at least a pair of spaced apart counterweights secured to the bladder at locations spaced from a location diametrically opposite said lacing components and equal to the weight of said lacing components so that there is no abatement of punting or kicking efficiency while still allowing a true spiral pass to be thrown.
申请公布号 US5342043(A) 申请公布日期 1994.08.30
申请号 US19930112919 申请日期 1993.08.30
申请人 LISCO, INC. 发明人 BALTRONIS, JOSEPH F.;KENNEDY, THOMAS J.
分类号 A63B41/00;(IPC1-7):A63B41/00 主分类号 A63B41/00
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