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:
Aug. 20, 2013
Filed:
Dec. 09, 2009
Applicants:
Wen-feng Tsai, Wufeng Shiang, TW;
Chia-wei Liao, Wufeng Shiang, TW;
Inventors:
Wen-Feng Tsai, Wufeng Shiang, TW;
Chia-Wei Liao, Wufeng Shiang, TW;
Assignee:
Tien Hsin Industries Co., Ltd., Taichung County, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B62K 23/06 (2006.01); B62M 25/04 (2006.01);
U.S. Cl.
CPC ...
B62K 23/06 (2013.01); B62M 25/04 (2013.01);
Abstract
A speed control device which is adapted to be used in connection with a derailleur type bicycle has one operation mode for up-shifting the speed and another operation mode for down-shifting the speed. The two operation modes can be affected by an operation lever, with the operation lever pivoted in a first plane for the up-shifting operation and in a second plane for the down-shifting operation.