Jason G Miles

US Patent:

20160265633, Sep 15, 2016

Filed:

May 26, 2015

Appl. No.:

14/720994

Inventors:

- Taichung, TW
Jason Miles - Seattle WA, US

International Classification:

F16H 7/18
F16H 7/20

Abstract:

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.