| 摘要 |
Disclosed is a hub nut fastener including a plurality of nut runners for fastening hub nuts to stud bolts of a wheel hub; nut runner moving means for altering a pitch of the nut runners by drive power of a motor, the nut runner moving means being connected to some of the nut runners through another medium; support means for rotatably supporting the nut runner moving means and fixing one of the nut runners, the support means being fixedly provided within a casing defining an exterior of the hub nut fastener; runner guide means for guiding the nut runners moved by the runner moving means; and digressing nut runner operating means for moving a digressing nut runner away from and back to a circle formed by the remainder of the nut runners.
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