| 摘要 |
PCT No. PCT/BE92/00037 Sec. 371 Date Feb. 24, 1994 Sec. 102(e) Date Feb. 24, 1994 PCT Filed Sep. 2, 1992 PCT Pub. No. WO93/05307 PCT Pub. Date Mar. 18, 1993.A locking nut for use with a shaft having a serrated thread employs a segmented, radially expandable locking element having serrations on its internal diameter. The locking element is disposed in a counterbore of the nut and is axially movable between a first locked position and a second unlocked position. The locking element is resiliently biased toward the axis of rotation of the nut and is also resiliently radially biased axially to the locked position. The nut is unlocked by overcoming the axial resilient bias and driving the locking element segments up a radially diverging ramp provided within the nut against the resilient radial bias.
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