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:
Jan. 25, 2011
Filed:
Jan. 11, 2008
Wei-liang Chiang, Chiayi, TW;
Ju-lin Yang, Chiayi County, TW;
Po-yang Chen, Chiayi, TW;
Kun-chen Lee, Chiayi County, TW;
Rong-faa Wu, Chiayi, TW;
Ching Chuan Kuo, Chiayi County, TW;
Wei-Liang Chiang, Chiayi, TW;
Ju-Lin Yang, Chiayi County, TW;
Po-Yang Chen, Chiayi, TW;
Kun-Chen Lee, Chiayi County, TW;
Rong-Faa Wu, Chiayi, TW;
Ching Chuan Kuo, Chiayi County, TW;
Tong Lung Metal Industry Co., Ltd., Chia-Yi, TW;
Abstract
A cylinder lock includes a lock housing receiving a plug assembly that has a key hole, tumbler pieces having respective toothed parts, and a re-keying unit. The re-keying unit has rotatable gear wheels engaged releasably with the respective toothed parts to reposition the respective tumbler pieces. The gear wheels disengage from the respective tooth parts by moving transversely of a longitudinal axis of the lock housing. Re-keying methods are also disclosed.