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.

Date of Patent:
Dec. 08, 2015

Filed:

May. 16, 2012
Applicant:

Chien-nan Lai, New Taipei, TW;

Inventor:

Chien-Nan Lai, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
G02B 7/021 (2013.01);
Abstract

An exemplary lens barrel includes a hollow main body and an abutting portion formed on an outer wall of the hollow main body. The hollow main body includes a first upper end at an object side, and a first lower end at an image side. The hollow main body also includes a central axis passing through the first upper end and the first lower end. The hollow main body further includes an outer screw thread. The outer screw thread is located between the first upper end and the abutting portion. The outer screw thread is spaced apart from the abutting portion. The abutting portion is a closed ring-shaped protrusion extending outwardly from the outer wall along a circumstance of the hollow main body.


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