| 摘要 |
A trajectory correcting device of a projectile for an arm replica is provided to compensate the trajectory of the plastic projectile vertically or horizontally by arranging two rubber pins symmetrically at both sides of a vertical shaft passing a center of a cannon, and to improve accuracy by adjusting height of a boss of the cannon. A trajectory correcting device of a projectile discharged from a cannon of an arm replica is composed of a first pin(3d) with a first boss(6d) for containing the projectile of the cannon and a second pin(3g) with a second boss(6g) for containing the projectile of the cannon. The first pin and the second pin are placed over a horizontal axis passing a center of the cannon, and symmetrically arranged at both sides of a vertical axis. Height of the first boss or the second boss of the cannon is adjusted, and the first and second pins are composed of adjusting knobs(5d,5g) and screws(4d,4g).
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