Patent ID: 6209413
Filing Date: 2001-04-03
Classification: B62K,B62M,Y10T

Abstract:
A bicycle derailleur shifter comprising:a frame having a hole defined therethrough so as to be adapted to co-axially mount to a bicycle handlebar, an extension portion extending radially from said frame and a tension adjusting member connected to said extension portion, a tube extending from a first side of said frame and sharing a common axis with said hole, a peripheral skirt extending longitudinally from said first side of said frame and a plurality of dents defined in an inside of said peripheral skirt;an actuating ring mounted to said tube and rotatably engaged with an inside of said peripheral skirt, a first block extending radially outward from said actuating ring and a derailleur cable having a first end thereof connected to said first block and a second end of said derailleur cable extending through said tension adjusting member, a second block extending radially outward form said actuating ring and a resilient plate extending from said second block, said resilient plate having a distal end thereof engaged with one of said dents in said peripheral skirt;a disk rotatably mounted to said tube and a torsion spring connected between said disk and said actuating ring, a push piece extending from a first side of said disk and located between said second block and said resilient plate, andan operation sleeve extending through said disk and rotatably mounted to said tube and co-rotatably connected to said actuating ring.