Patent ID: 6416434
Filing Date: 2002-07-09
Classification: B62J,B62M,F16C

Abstract:
A derailleur for mounting to a frame of a bicycle having a cable for actuating the derailleur, the derailleur comprising:a chain cage for engaging a chain of the bicycle, a derailleur clamping head for clamping the derailleur to the bicycle frame, the derailleur clamping head including a cable opening extending therethrough for receiving the cable therethrough, and a controller for actuating the chain cage to control movement of the chain cage, said controller including: upper and lower link arms pivotally connected about respective pivot pins at one end to the derailleur clamping head so as to move through a line of action thereat, with the cable being connected through the cable opening in the derailleur clamping head directly to one of the upper and lower link arms substantially parallel to said line of action, with at most minimal bending, such that said cable at a point of connection to said one of the upper and lower link arms extends substantially perpendicular to said one of the upper and lower link arms, for actuating the controller, a spring for biasing the upper link arm and lower link arm in a first direction, and a cage securing member connected with the chain cage, with opposite ends of the link arms pivotally connected to the cage securing member.