发明名称 Spear gun having gas sealing means
摘要 A spear gun and a power load for use therewith, the spear gun including a breech, a barrel fixed to the breech, and a spear adapted to be received by a bore within the barrel. The breech includes a chamber for receiving an explosive power load, the chamber being in fluid communication with the bore. The spear is sized to substantially prevent the flow of gas between the spear and the bore and may include a gas restrictor proximate one end to further reduce the flow of gas past the spear. The power load has no projectile and includes an explosive sealed to prevent water damage to the explosive. A line retainer adapted to be carried by the spear includes a plurality of pins urged toward the spear, the pins being adapted to be received in a reduced portion of the spear.
申请公布号 US4651454(A) 申请公布日期 1987.03.24
申请号 US19850731046 申请日期 1985.05.06
申请人 HARRIS, PAUL C. 发明人 HARRIS, PAUL C.
分类号 F41C9/06;(IPC1-7):F41F1/00 主分类号 F41C9/06
代理机构 代理人
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