Speed changing controller for controlling the derailleur of bicycle
OwnerChen-Chun Changinventor
Life of this patent
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Abstract
A speed-changing controller adapted to connect the derailleur of a bicycle via a gear cable for controlling said derailleur, the controller comprises a fastening base, a driven member, a retaining member and a sleeve. The driven member and the sleeve are rotatably and respectively fitted on a shaft tube of said fastening base. The retaining member is fastened on said driven member and is provided with a protruding retaining portion which can be engaged with one of positioning portions of said fastening base at the time when said driven member is driven by said sleeve to rotate to a determined position so as to pull/loose the gear cable to control the derailleur for completing the speed-changing motion of the bicycle.
Claims8
A speed-changing controller adapted to connect the derailleur of a bicycle via a gear cable for controlling said derailleur, said controller comprising:
- a fastening base provided with a cable guiding portion, a basin-shaped housing having a bottom and an annular sidewall, a shaft tube protruding from a central portion of said bottom of said housing, and a receiving space which is defined between an inner surface of said annular sidewall and an outer surface of said shaft tube, said inner surface of said annular sidewall is provided with a plurality of positioning portions;
- a driven member with a disc-shaped body provided with an axial hole, said axial hole being fitted on said shaft tube such that said driven member is pivoted on said shaft tube and located in said receiving space;
- a retaining member fastened on said driven member and provided with a retaining portion which can be deformed along a radial direction of said shaft tube and being engaged with one of the positioning portions of said housing;
- a sleeve rotatably fitted on said shaft tube such that the driven member is located between said fastening base and said sleeve and being driven by said sleeve to rotate, said sleeve is further provided with a cable fastening portion for fastening an end of said gear cable.
A speed-changing controller adapted to connect the derailleur of a bicycle via a gear cable for controlling said derailleur, said controller comprising:
- a fastening base provided with a cable guiding portion, a basin-shaped housing having a bottom and an annular sidewall, a shaft tube protruding from a central portion of said bottom of said housing;
- and a receiving space is defined between an inner surface of said annular sidewall and an outer surface of said shaft tube, said inner surface of said annular sidewall is provided with a plurality of positioning portions;
- a driven member with a disc-shaped body provided with an axial hole being fitted on said shaft tube such that said driven member is pivoted on said shaft tube and located in said receiving space and a retaining portion which can be deformed in a radial direction of said shaft tube and being engaged with one of the positioning portions of said housing;
- a sleeve rotatably fitted on said shaft tube such that the driven member is located between said fastening base and said sleeve and being driven by said sleeve to rotate, said sleeve is further provided with a cable fastening portion for fastening an end of said gear cable.
Dependencies are inferred from the claim text.