发明名称 Vaneless arrow shaft
摘要 With the use of a smaller tube which fits inside the nock end of a arrow shaft and the smaller tube having molded in it spiraled grooves which acts upon dimples that are molded in the arrow shaft body and when the bowstring drives the smaller tube into the arrow shaft causeing the whole arrow shaft to spinn, the results of which allows the arrow shaft to oscillate less, fly stright without vanes, and faster with more peneration and will enter a close range target stright.
申请公布号 US5971875(A) 申请公布日期 1999.10.26
申请号 US19980052087 申请日期 1998.03.31
申请人 HILL, CHRISTOPHER COLUMBUS 发明人 HILL, CHRISTOPHER COLUMBUS
分类号 F42B6/06;(IPC1-7):F42B6/02 主分类号 F42B6/06
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