| 摘要 |
A telescope sight collimating device including a laser aimer, a longitudinal center axle at one end of the aimer sleeved with a split sleeve and threadably engaged with a lock nut at its free end for positioning the device in the barrel of the gun, a tapered tubular locating rod and a tapered tubular tightening up rod respectively mounted around the longitudinal center axle and engaging both ends of the split sleeve, and an adjusting nut mounted around the longitudinal center axle and turned in either direction to move the tapered tubular tightening up rod forward or backward, causing the sleeve to be fixed to or released from the inside wall of the barrel of the gun.
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