| 摘要 |
In an embodiment of the invention, a universal shaft fitting for a cue stick comprises a universal adapter with an extension having external threads, adapted to be bonded into the butt end of a shaft of a cue stick, and an insert adapted to be bonded to internal threads of the universal adapter. The insert also includes internal threads for detachably mating a pin attached to another segment of a cue stick. Other embodiments include universal shaft fittings with various pin configurations and universal shaft fittings that do not utilize an insert. The universal shaft fittings may be utilized as components of a kit for adapting shafts to receive segments of cue sticks with various pin configurations. The universal shaft fittings may also be utilized in a method of supplying shafts to fit segments of cue sticks.
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