The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 11, 2003

Filed:

May. 03, 2001
Applicant:
Inventors:

Chan-Hua Feng, Chiai, TW;

Jen-Ji Wang, Changhua, TW;

I-Chao Yan, Chiai, TW;

Te-Sheng Tseng, Changhua, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 1/10 ;
U.S. Cl.
CPC ...
F16C 1/10 ;
Abstract

A grip gear-shifter for being used in actuating a derailleur of a bicycle is provided. The grip gear-shifter includes a return spring, a resilient steel plate having a polyhedron-formed controlling pawl, a guiding ring having a guiding notch for guiding a cable, a first module for lodging and positioning said controlling pawl when the bicycle are in the state of shifting gears, and a second module having a projection and a positioning unit for operating in coordination with the return spring and the resilient steel plate, thereby forming a relative motion of the resilient steel plate and the first module to correctly shift gears when the bicycle are in the state of shifting gears.


Find Patent Forward Citations

Feng, Chan-Hua. (2003). Grip gear-shifter for actuating derailleur of bicycle (U.S. Patent No. 6644143). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6644143

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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