| 摘要 |
A clutch includes a hub having a hub flange formed at a first end. The clutch further includes a clutch tube having a central aperture formed therein, a clutch tube flange, and a friction surface that is substantially planar. The central aperture is configured to receive the shaft and is substantially perpendicular to the friction surface. The clutch further includes a clutch plate having a clutch surface that is substantially planar and is in contact with the friction surface. The clutch further includes a fastener configured to couple the clutch plate to the hub; and a spring device configured to push the hub flange and the clutch tube flange away from one another and push the friction surface to contact the clutch surface.
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