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. 03, 2013

Filed:

Feb. 28, 2012
Applicant:

Chia-chun Chang, New Taipei, TW;

Inventor:

Chia-Chun Chang, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01); G02B 7/00 (2006.01);
U.S. Cl.
CPC ...
G02B 7/004 (2013.01);
Abstract

A spacing ring is provided and includes a peripheral ring-shaped spacing portion and a light shading portion extending from an inner peripheral surface of the spacing portion. The spacing portion has a resisting surface. The light shading portion includes an inclined clamping surface connecting with the resisting surface of the spacing portion. The clamping surface and a central axis of the spacing ring cooperatively define an acute angle, the clamping surface and the resisting surface of the spacing portion cooperatively define an obtuse angle. A lens module using the spacing ring is also provided.


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