Speed changing equipment for bicycle

Application Number  00128361 Application Date  2000.11.23
Publication Number  1296896 Publication Date  2001.05.30
Priority Information   1999/11/23 IT TO99A001023  
Applicant(s) Name  Campagnolo SRL  
Inventor(s) Name  V. Campagnolo  
Patent Agency Code  72001 Patent Agent  wen dapeng
AbstractA motorized bicycle gear shift device comprising a derailleur (14) and an electric motor (27) for controlling the derailleur (14), associated directly with the derailleur, and an electric transducer of absolute type (50, 56), also associated with the derailleur (14) and designed to produce an electric signal indicative of the absolute position of the movable body (17) of the derailleur (14).