| 摘要 |
A connection system for connecting tubular members 11, 15 together has a rotatable connector sleeve 19 on one of the tubular members. A curved rack 51 of gear teeth is engaged with the connector sleeve 19, and a power tool 47 is used to rotate the rack 51 and connector sleeve 19. The rack may extend less than 180 degrees and may be removed from the sleeve after use. A retainer 55 may couple the power tool 7 to the rack 51, and hold a pinion 63 of the power tool in engagement with the rack 51.
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