Chain Guiding Device for Bicycles

摘要

A chain guiding device for bicycles comprises a main body, a chain guiding unit, a fixing unit and a control unit. The main body is installed onto a bicycle frame. The bicycle frame is installed with a crankset. The main body has two base units, respectively arranged at an upper portion and a lower portion of the main body and having two fixing holes. The two chain guiding units are respectively pivotally connected to the upper portion and the lower portion, can rotate toward or away from the crankset, and are each formed with a through hole for alignment with the respective fixing holes. The fixing units fix the chain guiding units to the main body. The two control units are respectively connected to the fixing units for driving the fixing units to pass through or separate from the fixing holes.

主权项

1. A chain guiding device for a bicycle and installed on a bicycle frame, comprising:
a main body having at least one base unit, wherein the base unit is formed with a fixing hole and disposed at the main body; a chain guiding unit pivotally connected to the main body for moving toward and away from a crankset mounted to the bicycle frame; and a fixing unit movably disposed at the chain guiding unit and joinable to the fixing hole, for fixing the chain guiding unit to the main body.