Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LENS HOLDER
Document Type and Number:
Japanese Patent JP3300538
Kind Code:
B2
Abstract:

PURPOSE: To provide a lens holder which does not require to divide a metallic mold for molding (top) into two at the position of an annular projected part engaged with the outer peripheral part of the rear end face of a front lens and the outer peripheral part of the front end face of a rear lens.
CONSTITUTION: In the lens holder 11, a 1st lens fitting part 13 where three projected parts 12 engaged with the outer peripheral part of the rear end face of the front lens and the outer peripheral part of the front end face of the rear lens are formed on the inner peripheral surface of the holder at every other 60° and which is fitted on the outer peripheral surf ace of the front lens, and a 2nd lens fitting part 15 fitted on the outer peripheral surface of the rear lens are arranged at specified intervals in the peripheral direction. Therefore, even when the metallic mold has non-divided structure, it is drawn to the forward side of the lens holder, so that misalignment between the mold and the shaft center of the holder on the forward side is not caused.


Inventors:
Goro Noto
Application Number:
JP19162194A
Publication Date:
July 08, 2002
Filing Date:
August 15, 1994
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Canon Inc
International Classes:
G02B7/02; (IPC1-7): G02B7/02
Domestic Patent References:
JP6184615A
JP4257808A
JP5113529A
JP4166905A
JP246413A
JP4136804A
JP2203310A
JP420008U
JP6142505U
JP345505U
JP55147008U
JP60128311U
JP4124213U
Attorney, Agent or Firm:
Masayuki Kishida (2 outside)