| 摘要 |
There is provided the anti-loosening spacer between the screw lock nut and the inner race of the first bearing for drive pinion, such that it is moved forward by a rotation of the screw lock nut, and there can exist the specified magnitude of backlash in the rotational direction between the anti-loosening spacer and the drive pinion shaft at the beginning of the rotation of the screw lock nut, and the specified magnitude of backlash can be eliminated according to the rotation of the screw lock nut. Accordingly, the screw lock nut can be properly prevented from being loosened by this locked spacer.
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