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. 25, 2011
Filed:
Jul. 31, 2008
Shuhei Kaneko, Hino, JP;
Takashi Miyazawa, Hachioji, JP;
Shuhei Kaneko, Hino, JP;
Takashi Miyazawa, Hachioji, JP;
Olympus Imaging Corp., Tokyo, JP;
Olympus Corporation, Tokyo, JP;
Abstract
A lens barrel has an elastically deformable moving frame which is a cylindrical frame member having a first groove group, in which a plurality of grooves formed in the circumferential direction are arranged in the optical axis direction, at the outer periphery thereof, and an elastically deformable rotating frame which is a cylindrical frame member engaging with the outer periphery of the moving frame and having a second groove group, in which a plurality of grooves formed in the circumferential direction are arranged in the optical axis direction so as to face to the first groove group, at the inner periphery thereof, the rotating frame being movable relative to the moving frame without interference of the second groove group with the first groove group during the ordinary operation.