| 摘要 |
A system for assembling the barrel of a medium or large caliber gun on a sleeve of the gun's breech block assembly includes a nut designed to be screwed on a threaded end of the barrel. The nut is inserted into a cavity inside the sleeve, and a device for driving the nut in rotation is provided. The driving device includes a gear mechanism and a drive system operated from the outside of the sleeve, the drive system being designed to engage the gear mechanism.
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