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.
Patent No.:
Date of Patent:
Oct. 22, 2002
Filed:
Aug. 03, 1999
Chan-Hua Feng, Chia-Yi Hsien, TW;
Chun-Yu Li, Tai-chung, TW;
National Science Council of Republic of China, Taipei, TW;
Abstract
A hand operated bicycle gear transmission device. The device includes a handle bar fixing base, a cover fixing base, a rubber cover, a positioning plate, positioning protuberances, saucer shaped springs, a circular fixing hole for a steel cable head, a steel cable guide groove and a stroke compensating device. The device utilizes cooperative function of positioning recessed slots formed around a rigid positioning plate. The positioning protuberances are provided at the rear of the cover fixing base and the saucer shaped springs are adjacent to the positioning plate to provide mutual engagement force therebetween so as to achieve an excellent positioning effect of gear transmission even under the worst riding environment. As a result, the device can be conveniently operable with a small applied force to perform speed change smoothly, the device having a simplified and easy looking appearance constructed with a small number of components, and being able to easily be assembled and repaired.