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. 05, 2020
Filed:
May. 30, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Tomoki Hasegawa, Utsunomiya, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A lens barrel includes a first moving barrel, a second moving barrel disposed on an object side and an outer circumference side of the first moving barrel and configured to hold an optical element different from a lens, a guide barrel that has a first rectilinear groove that guides a movement of the first moving barrel, and a second rectilinear groove that guides a movement of the second moving barrel in the optical axis direction, and a cam barrel rotatable relative to the guide barrel and having a first cam groove and a second cam groove. The first moving barrel includes a first protruding member engaged with the first rectilinear groove and the first cam groove. The second moving barrel includes a second protruding member engaged with the second rectilinear groove and the second cam groove.