| 摘要 |
PURPOSE: A projectile is provided to perform accurate ignition of a detonator by adopting an improved firing unit. CONSTITUTION: A detonator(67), a pestle(73), and a gunpowder joined body(80) are installed coaxially to the center shaft of a housing(50) receiving a firing unit(60). The pressure generated in the gunpowder joined body is transferred to the firing unit and the pestle without eccentricity. The firing unit is combined with the housing via screws(55,55') installed symmetric by centering on the center shaft. According to non-eccentric motion of the pestle, the motion reliability of a projectile is secured although precision of processing and assembling of components is low.
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