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. 13, 2024
Filed:
Oct. 19, 2022
Nidec Copal Corporation, Tokyo, JP;
Koichi Hirabayashi, Tokyo, JP;
NIDEC COPAL CORPORATION, Tokyo, JP;
Abstract
A camera blocks light outside a lens barrel entering an optical path in a lens barrel. A camera includes a frame and a lens barrel accommodating a lens. The lens barrel includes a stationary cylinder including a cylindrical wall having a through-cam groove extending with its circumferential position changing in X-direction, a drive cylinder rotatable relative to the stationary cylinder without moving in X-direction, a rotary cylinder rotatable relative to the stationary cylinder and movable in X-direction, a key cylinder movable in X-direction together with the rotary cylinder, a linearly movable cylinder rotatable relative to the rotary cylinder together with the key cylinder. The camera further includes a connecting frame attached to a rear end of the key cylinder in the lens barrel and a rear light shield including a bellows connecting the connecting frame and the frame in an expandable manner.