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:
Oct. 01, 2013

Filed:

Aug. 08, 2011
Applicant:

Wen-chieh Cheng, Taipei, TW;

Inventor:

Wen-Chieh Cheng, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01); G02B 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A lens device includes a fixed lens, a rotatable lens barrel, and a base. The fixed lens includes at least one cam groove which has an opening portion. The rotatable lens barrel is sleeved within the fixed lens. The rotatable lens barrel includes at least one cam follower. The cam follower enters the cam groove through the opening portion and moves along the cam groove. The base is assembled to the fixed lens. The base includes at least one protruding structure. The protruding structure extends to the cam groove through the opening portion.


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Cheng, Wen-Chieh. (2013). Lens device (U.S. Patent No. 8547654). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8547654

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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