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:
Jul. 14, 2009
Filed:
Oct. 10, 2007
Applicant:
Chun-yu Hsueh, Taichung, TW;
Inventor:
Chun-Yu Hsueh, Taichung, TW;
Assignee:
Asia Optical Co., Inc., Taichung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lens barrel is disclosed. The lens barrel includes a sleeve having curved groove on an inner side thereof, a lens module having at least one lens and an optical axis having an object end and an image end, and a pin projecting from the lens module and engaged in a curved groove, whereby the lens module is slidably disposed in the sleeve and the sleeve is rotated to move the lens module along the optical axis. The pin has a contact surface contacting the curved groove and a notch is formed on the contact surface.