Patent ID: 7571919
Filing Date: 2009-08-11
Classification: B62K,Y10T

Abstract:
1. A positioning device for a bicycle handlebar, which is mounted on a front tube and a front fork stem of a bicycle, comprising: a positioning piece defined with a through hole in a center thereof for insertion of the front fork stem, thus positioning the positioning piece to the front fork stem; and a pressing assembly being fixed to the front tube and abutted against a lower surface of the positioning piece, and since the pressing assembly being engaged with the positioning piece, the front tube is not pivotally rotate relative to the front fork stem; wherein the stem wall of the front fork stem of the front fork is axially defined with an engaging groove, and a predetermined numbers of outer threads are defined in a surface of an end of the front fork stem, and a protruded block is formed in the through hole of the positioning piece for engaging with the engaging groove of the front fork stem, furthermore, a screw is screwed to the outer threads of the front fork stem, so that the positioning piece is fixed between the screw and the front tube.