Actuating apparatus for a bicycle derailleur, with coupling connected to the driven shaft
AssigneeCampagnolo S.r.l.
InventorMaurizio Valle
Life of this patent
Estimating the term…
Abstract
Electrically operated actuating apparatus for a bicycle derailleur, having an output shaft (16) rotationally connected to a driven shaft (29) by means of a coupling (34), allowing a limited misalignment between the axis (33, 32) of the output shaft (16) and the driven shaft (30). The coupling is preferably an Oldham coupling.
Claims22
Actuating device for a bicycle derailleur comprising:
- a geared motor unit including an electrical motor connected to an output shaft;
- a driven shaft rotationally connected to output shaft on an extension of the output shaft;
- and
- a misalignment coupling, connected between the output shaft and the driven shaft, which ensures a limited misalignment between an axis of the geared motor output shaft and an axis of the driven shaft.
An actuating device for use on a bicycle derailleur having a fixed supporting body, a geared sector pivotably attached to the supporting body, and an articulated arm operatively associated with the geared sector, the device comprising:
- a geared motor unit including an electrical motor and an output shaft;
- a misalignment coupling connected to the output shaft of the geared motor;
- and
- a driven shaft, having first and second ends, connected to the misalignment coupling at the first end and operatively associated with the geared sector;
- whereby the misalignment coupling allows for a limited axial misalignment between the driven shaft and the output shaft.
A combination actuating device and bicycle derailleur for use on a bicycle having a frame and a bicycle transmission chain, operatively associated with the derailleur, carried by the frame, the combination comprising:
- a supporting body for attachment to the bicycle frame;
- a fork unit for derailing the transmission chain;
- an articulated arm pivotably attached to the supporting body and the fork unit and a geared sector extending therefrom;
- a geared motor unit mounted to the supporting body including an electrical motor and an output shaft;
- a misalignment coupling connected to the output shaft of the geared motor;
- and
- a driven shaft, having first and second ends, connected to the misalignment coupling at the first end and operatively associated with the geared sector, whereby the misalignment coupling allows for a limited axial misalignment between the driven shaft and the output shaft.
Dependencies are inferred from the claim text.