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:
May. 29, 2018
Filed:
Jul. 07, 2016
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Yoshiaki Shimizu, Yokohama, JP;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A lens barrel and an optical device having small sizes by saving a space for inner components such as a moving group while stably retaining and moving the inner components are provided. The lens barrel retains lenses while allowing movement along an optical axis. The lens barrel includes: a first frame; a second frame positioned inside the first frame; and n linear guide structures configured to allow movement of the second frame relative to the first frame along the optical axis, wherein the n linear guide structures include: n linear guide concave parts spaced apart from each other in a circumferential direction around the optical axis and extending along the optical axis; and n linear guide convex parts engaging with the n linear guide concave parts in a relatively movable manner, wherein some of the n linear guide concave parts are provided on the first frame, and the others of the n linear guide concave parts are provided on the second frame (n is an integer equal to or greater than 2).