Patent ID: 9446817
Filing Date: 2016-09-20
CPC Classification: B62J,B62M,F16B,Y10T

Claim Text:
1. A chain guide arrangement for guiding a drive chain on a set of front chainrings on a bicycle with a bicycle frame, with a chain guide member which is designed for installation on a base part of a front derailleur mounted on the bicycle frame, the front derailleur including a front derailleur mounting element the chain guide member comprising: a mounting section including a mounting opening; a guide section which is arranged with an offset from the mounting section, the guide section being positionable adjacent the drive chain; a connecting section between the mounting section and the guide section; a chain guide mounting element configured to be mounted along a mounting axis to the front derailleur mounting element to fasten the mounting section of the chain guide member to the base part of the front derailleur independently of the mounting of the front derailleur to the bicycle frame; and an angular positioning device configured to set an angular position of the chain guide member about the mounting axis of the chain guide member, wherein the front derailleur mounting element includes a fastening screw threadably connectable to the base part of the front derailleur to mount the front derailleur to the bicycle frame, and the angular positioning device comprises an adjusting screw disposed in the mounting section of the chain guide member and a retaining plate disposed between a fastening screw head of the fastening screw and the base part, the adjusting screw positioned along an axis (D) generally perpendicular to an axis (A) of the fastening screw, wherein the adjusting screw bears against a stop formed on the retaining plate to allow an adjustment of the chain guide member in an angular position about the axis (A).