Title:
LENS BARREL
Document Type and Number:
Japanese Patent JP3619614
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lens barrel capable of reducing the number of parts and miniaturizing camera by providing a pin inserted through a collar part, to support, an optical diaphragm means, on a fixed barrel, for effectively using the same member.
SOLUTION: The lens barrel is constituted in such a manner that the collar part, 32 of a moving barrel 3 is provided projectingly from the end part of the fixed barrel 2 to the pin 23, to be inserted through and further, inserted through the oblong hole 43 of an iris diaphragm 4. Then, the rotation of the moving barrel 3 is prevented by the pin 23 as the same member and the sliding range of the iris diaphragm 4 is regulated. Therefore, the number of the parts used for focusing can be reduced by effectively using the same member.
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Inventors:
Nobuyuki Shirie
Nakazawa Michitaka
Mitsufumi Misawa
Nakazawa Michitaka
Mitsufumi Misawa
Application Number:
JP18236796A
Publication Date:
February 09, 2005
Filing Date:
July 11, 1996
Export Citation:
Assignee:
Fujinon Co., Ltd.
Fuji Photo Film Co., Ltd.
Fuji Photo Film Co., Ltd.
International Classes:
G03B13/36; G02B7/04; (IPC1-7): G02B7/04
Domestic Patent References:
| JP63029716A | ||||
| JP63254407A | ||||
| JP6062679U | ||||
| JP55010964Y1 | ||||
| JP11007381Y1 | ||||
| JP60096636U | ||||
| JP63141933U | ||||
| JP6051370A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Tatsuya Shioda
Shiro Terasaki
Yuichi Yamada
Tatsuya Shioda
Shiro Terasaki
Yuichi Yamada