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:
Aug. 31, 2004
Filed:
Dec. 06, 2002
Tamotsu Koiwai, Tokyo, JP;
Olympus Corporation, Tokyo, JP;
Abstract
A lens barrel having lens holding frames for holding a plurality of lenses is composed of a first lens, a second lens, one of the lens holding frames holding the first and second lenses, having a first opening disposed at one end in correspondence with the first lens, and having a second opening disposed at another end in correspondence with the second lens, first abutment portions prescribing the position of the first lens in an optical axis direction on the first opening side and disposed at a plurality of positions around the inner periphery of the lens holding frame, a second abutment portion prescribing the position of the second lens in the optical axis direction on the second opening side, first engagement portions disposed at a plurality of positions around the inner periphery of the lens holding frame on a side nearer to the first opening than the first and second abutment portions and engaged with the first lens, and a second engagement portion disposed around the inner periphery of the lens holding frame on a side nearer to the second opening than the first and the second abutment portion and engaged with the second lens, wherein the first engagement portions and the first abutment portions are disposed at different positions in the circumferential direction of the lens holding frame.