| 摘要 |
A rotation pipe of handle has a bushing, an arrester and a compression spring. An axial extended slot with two closed ends is defined in a periphery wall of the bushing. A first blind hole is defined in the arrester, and a side channel is defined in a proximal end of the slot, wherein a second blind hole is defined. The compression spring is secured in the slot, with a distal end inserted to the first blind hole, and a proximal end inserted to the second blind hole. The assembly process of the rotation pipe is convenient and fast.
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