| 摘要 |
A frame for a bicycle includes first and second frame halves disposed one behind another. A pivot member interconnects pivotally connecting end portions of the first and second frame halves to permit relative rotation between the first and second frame halves. A locking device locks the first and second frame halves on each other, thereby preventing relative rotation therebetween. The connecting end portion of the first frame half has a vertical end surface that is perpendicular to a longitudinal direction of the bicycle, an integral upper lateral projection, and an integral lower lateral projection that is located under the upper lateral projection to define a recess therebetween. The connecting end portion of the second frame half has a vertical end surface which is perpendicular to the longitudinal direction and which abuts against the vertical end surface of the first frame half so as to prevent relative movement between the first and second frame halves in the longitudinal direction. The end surface of the second frame half is formed with an integral tongue which engages the recess in the first frame half to prevent relative vertical movement between the first and second frame halves.
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