Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hitoshi Tanaka0
Date of Patent
August 22, 2006
Patent Application Number
10675993
Date Filed
October 2, 2003
Patent Primary Examiner
Patent abstract
A light shielding structure of a lens barrel including an inner ring and an outer ring, wherein the inner ring includes a through cutout portion, the light shielding structure including an inner flange wall provided with the inner ring; a first annular groove formed on an inner surface of the inner flange wall; a second annular groove formed on an inner peripheral surface of the outer ring; and a light shield ring, wherein the light shield ring includes a cylindrical portion centered about the optical axis, and an outer flange portion which extends radially outwards from a rear end of the cylindrical portion so that the cylindrical portion and the outer flange portion and inserted into the first and second annular grooves, respectively.
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