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:
May. 28, 2013
Filed:
Mar. 01, 2012
Bill Wang, Tainan, TW;
Bill Wang, Tainan, TW;
I-Tek Metal Mfg. Co., Ltd., Tainan, TW;
Abstract
A cylindrical lock includes a retractor () mounted between inner and outer operational devices () and operably connected to a latch (). The outer operational device () includes an outer chassis (), an outer lining () mounted around the outer chassis (), and an outer spindle () received in the outer chassis (). The outer spindle () includes an inner end () received in a pivot hole () of the outer lining (). A restraining protrusion () is formed on an outer periphery of the outer spindle () and abuts an abutment face () of the outer lining (), avoiding movement of the outer spindle () away from the outer chassis () in a longitudinal direction while allowing pivotal movement of the outer spindle () in a correct position.