| 摘要 |
A fixing apparatus is provided to fix a cylindrical object. The fixing apparatus includes a support board, a rotating member rotatably mounted to the support board, a moving member, and a number of positioning members. The rotating member defines a receiving space, and a number of receiving slots communicating with the receiving space. The moving member includes a taper-shaped pushing portion, and the pushing portion is slidably received in the receiving space. The number of positioning members are slidably received in the corresponding receiving slots. Each positioning member includes a slanting surface resisting against a circumference of the pushing portion, and a sliding surface to resist against an intrados of the cylindrical object.
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