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. 22, 2025
Filed:
Dec. 28, 2021
Newmax Technology Co., Ltd., Taichung, TW;
Chen-Chung Wu, Taichung, TW;
NEWMAX TECHNOLOGY CO., LTD., Taichung, TW;
Abstract
A lens barrel defines a central axis and includes: an object-side opening, an object-side end portion, and an image-side opening. The object-side opening and the object-side end portion are both located at one end of the central axis. The object-side end portion surrounds the object-side opening and has an object-side surface, the object-side surface includes an annular groove, a radial cross-section of the annular groove has first and second line segments, the first line segment is farther away from the central axis than the second line segment, the first and second line segments intersect at a first point, and a included angle is formed between the first and second line segments. The included angle is larger than or equal to 15 degrees and smaller than or equal to 90 degrees. An opening direction of the radial cross-section of the annular groove is away from the central axis.