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:
Feb. 23, 2016
Filed:
Dec. 23, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Takashi Miyazaki, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A lens barrel enables to improve the optical performance thereof while realizing size reduction, structure simplification, and cost reduction in the lens barrel. A second group holding frame, in a collapsed state, is rotated with respect to the second group base platein a direction retracting from the optical axis A, and in a photographing state, is rotated toward the optical axis A. A compression springregulates an optical axis A direction position of the second group holding framewith respect to the second group base plateby urging, in the optical axis A direction, a portion of the second group holding frame. An engaging pinand an engaging groove, in the photographing state, regulate the optical axis A direction position of the second group holding framewith respect to the second group base plate