TW359647B - Bicycle leg - Google Patents

Abstract

This invention provides a bicycle leg comprising: a clamp member with a shaft body, the annular edge of the shaft body being indentedly installed with an insertion ring groove, and the groove face of the insertion ring groove being separately indented with an installation indent hole and an insertion positioning hole, the corresponding outside of the space between the installation indent hole and the insertion positioning hole capable of being separately screwed with a retaining body; a rotation cover body with a screw hole on the cut face thereof; a leg rod with a housing hole on the upper end thereof and be screwed on the rotation cover body with a screw hole by a screw tube; a guide box member installed on the screw tube, the insertion end of which being installed with a longitudinal groove hole; a tension member supported at one end of the guide box member and located in the housing hole; a resilient member and steel beads sequentially housed in the groove hole of the guide box member so that the steel beads under the exertion force of the resilient member tipping towards the insertion ring groove of the guide box member, or positioned in the installation indent hole or the insertion positioning hole. A bicycle leg assembled from the above members is easy in installation and operation and has a sturdy structure and a long operation life.