发明名称 Device to improve shooting a basketball
摘要 A basketball training device having a support hoop of essentially the same diameter of the conventional hoop to circumferentially mate with same; a secondary hoop of larger diameter relative to the conventional hoop; arms for attaching the support hoop to the secondary hoop; and clamps for removably connecting the support hoop to the conventional hoop. A method for improving the shooting accuracy of a basketball player comprising positioning the secondary hoop with the portion nearest the backboard tangential and coplanar with the conventional hoop, and with the portion opposite the backboard projecting upwardly and outwardly from the conventional hoop.
申请公布号 US4213606(A) 申请公布日期 1980.07.22
申请号 US19790026035 申请日期 1979.04.02
申请人 WILSON, ROBERT E 发明人 WILSON, ROBERT E
分类号 A63B63/08;(IPC1-7):A63B63/00;A63B69/00 主分类号 A63B63/08
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