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:
Jan. 24, 2017
Filed:
Sep. 11, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Yuki Nagao, Utsunomiya, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
The lens barrel includes a base barrel, a movable barrel including first and second hole portions, a circumferentially rotatable barrel and first guide members. The base barrel includes straight guide portions guiding the movable barrel along an optical axis, the rotatable barrel includes cam portions moving the movable barrel with rotation of the rotatable barrel, the first guide members engage with the cam and straight guide portions. The cam portions, straight guide portions and first guide members are respectively provided at multiple circumferential phases, a guide member among the first guide members provided at a first phase engages with the first hole portion, each of other guide members among the first guide members provided at two or more second phases engages with each of the second hole portions. A circumferential width of each second hole portion is larger than that of the first hole portion.