发明名称 SHOT SPOTTER
摘要 A head mounted device is used to train the shooter in basketball shooting. The device is mounted on the forehead of the user and has a flexible pointer which is adjusted relative to the basket rim to indicate the line-of-shot. With the line-of-shot now indicated, the shooter now gives the basketball the required impetus and accuracy to reach the basket.
申请公布号 US3670417(A) 申请公布日期 1972.06.20
申请号 USD3670417 申请日期 1971.01.28
申请人 KATHRYN C. ROGERS 发明人 KATHRYN C. ROGERS
分类号 A63B69/00;(IPC1-7):A63B69/00 主分类号 A63B69/00
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