发明名称 T-LOCK BROADHEAD AND TIGHT POINT MATCHED BALANCE POINT ARCHERY POINT SYSTEM
摘要 Provided is a broadhead for an arrow having a shaft with a shaft bore. The broadhead comprises a ferrule and a plurality of blade members. The ferrule has a mating end and a tip end with a plurality of convex ridges being equiangularly spaced around the ferrule such that the ferrule has a tri-oval cross section. Each one of the ridges has a blade groove formed therein for receiving one of the blade members. The blade members each have a base portion that is shaped complementary to the blade groove so that the blade member may be axially insertable into the blade groove. The broadhead includes a shank extending outwardly from the mating end and which is threadably engagable into the shaft bore. An O-ring mounted on the shank is captured between the shank and the shaft bore when the broadhead is secured to the arrow at the mating end.
申请公布号 WO2005043070(A2) 申请公布日期 2005.05.12
申请号 WO2004US34537 申请日期 2004.10.20
申请人 SUMMERS, BUTCH 发明人 SUMMERS, BUTCH
分类号 A63B65/02;F41B;F42B6/08 主分类号 A63B65/02
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