| 摘要 |
PURPOSE: A firearm device is provided to aim at the target by rotating a gun barrel of a firearm on a fixed shaft because the firearm moves same as a rotary plate. CONSTITUTION: A firearm device(100) comprises a fixed shaft(110), a rotary plate(120), an operating cylinder(130), a bushing(140), and a firearm(150). The fixed shaft is mounted on a military vehicle unit and a spherical portion is formed at the bottom of the fixed shaft. The spherical portion is placed in a placing groove. The operating cylinder is mounted on the rotary plate. The fixed shaft penetrates the center of the bushing and the bushing is connected to the operating cylinder. The firearm is mounted on the rotary plate. The bushing vertically moves along the fixed shaft according to the operation of the operating cylinder and rotates to rotate the rotary plate. The rotary plate is inclined at a predetermined angle.
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