Patent ID: 8678964
Filing Date: 2014-03-25
Classification: B62M

Abstract:
1. A rear derailleur of sleeve-axle type, comprising: a threaded shaft base having an adjusting hole provided in a side edge at a top side thereof, and comprising an adjusting panel provided at said side edge at said top side thereof, a rotation bush, a claw screw penetrating said rotation bush and being received in said adjusting hole, a sliding shaft at a bottom side thereof, and a positioning groove provided at a bottom side of said adjusting hole, wherein said sliding shaft has a receiving groove provided at a center thereof and a plurality of transmission guiding grooves provided at an outer periphery thereof, wherein said adjusting panel has a retention hole provided at a center thereof, and comprises a protruding retention pole provided at a bottom side thereof and an adjusting screw provided at a rear side thereof; a threaded shaft comprising a threaded shaft body having a screwing groove, and a cable clip provided at a front side thereof; a transmission lever comprising a lever body, a sliding sleeve being provided at a front side thereof connecting to said lever body and having a sleeve hole provided at a center of said sliding sleeve, and a plurality of bearings received in said sleeve hole, a plurality of penetrating holes being provided in an outer periphery on both left side and right side thereof while communicating with said sleeve hole, a control cable groove being provided in said lever body, a pivot hole being provided at an end of said lever body, wherein said screwing groove of said threaded shaft is capable of receiving said plurality of bearings; a chain retaining lever having a pivot connecting hole and a penetrating aperture at a top side thereof communicating with each other, wherein said chain retaining lever further comprises a second retracting spring provided in said pivot connecting hole, a pivot bar, and a shift roller wheel provided at a bottom side thereof, wherein said pivot bar has a bar penetrating hole at a center thereof and a first retracting spring is provided on an outer periphery thereof, wherein said pivot hole is capable of receiving said first retracting spring and is also used for pivotally connecting said chain retaining lever with said transmission lever; and a lever control cable comprising a first foot portion penetrating said penetrating hole of said threaded shaft base in such manner that said first foot portion is retained on an outer edge at a top side of said receiving groove of said threaded shaft base, a second foot portion penetrating said control cable hole of said sliding sleeve in such a manner that said second foot portion is retained on a side edge of said sliding sleeve, a body portion encircledly provided in said control cable groove of said lever body, and an end portion forming an encircling ring encircled on said shift roller wheel of said chain retaining lever.