发明名称 Archery sights
摘要 An archery back sight is arranged to removably snap onto or slide onto a bowstring, and connected to a cord having an elastic portion and an inelastic portion which aims the backsight forwardly. The cord is positioned in a manner such that breaking of the cord will not endanger the user.
申请公布号 US4552121(A) 申请公布日期 1985.11.12
申请号 US19840649947 申请日期 1984.09.13
申请人 TREASTER, MAHLON L. 发明人 TREASTER, MAHLON L.
分类号 F41G1/467;(IPC1-7):F41B5/00 主分类号 F41G1/467
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