发明名称 Broadhead arrow head structure
摘要 A broadhead arrow head structure armed with razor type blades spaced thereabout, each of the blades being positioned into a slot, each blade having an underlying forwardly projecting tongue portion, the tongue portions extending into an undercut recess of the slots, and the arrow head structure being threaded into an arrow shaft to lock the blades in operating position.
申请公布号 US4537404(A) 申请公布日期 1985.08.27
申请号 US19840683607 申请日期 1984.12.19
申请人 CASTELLANO, GARY M.;ALTO, KENNETH W. 发明人 CASTELLANO, GARY M.;ALTO, KENNETH W.
分类号 F42B6/08;(IPC1-7):F41B5/02 主分类号 F42B6/08
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