Title:
LENS BARREL WITH SHUTTER
Document Type and Number:
Japanese Patent JP3200004
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lens barrel with a shutter which is equipped with structure that can decrease the number of components.
SOLUTION: This lens barrel 10 is equipped with a 2nd moving lens barrel 19 which has a lead groove 19c on its internal surface and is driven to rotate, a 1st moving lens barrel 20 which has a follower pin 24 that is guided to move straight and engage the lead groove 19c of the 2nd moving lens barrel 19 and moves back along the optical axis through the rotating movement of the 2nd moving lens barrel 19, and an AF /AE shutter unit 21 which is fixed in the 1st moving lens barrel 20. At this time, radial pin holes 20a and 40a are formed in the 1st moving lens barrel 20 and AF/AE shutter unit 21, and the AF/AE shutter unit 21 is fixed to the 1st moving lens barrel 20 with a follower pin 24 by inserting the follower pin 24 into the pin hole 20a of the 1st moving lens barrel 20 and the pin hole 40a of the AF/AE shutter unit 21.
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Inventors:
Hiroshi Nomura
Kazuyoshi Azeue
Hiromitsu Sasaki
Kazuyoshi Azeue
Hiromitsu Sasaki
Application Number:
JP1232096A
Publication Date:
August 20, 2001
Filing Date:
January 26, 1996
Export Citation:
Assignee:
Asahi Optical Co., Ltd.
International Classes:
G02B7/04; G02B7/10; G03B9/10; (IPC1-7): G02B7/04
Domestic Patent References:
| JP8220412A | ||||
| JP7209568A | ||||
| JP60130709A | ||||
| JP584909U | ||||
| JP442617U | ||||
| JP159209U | ||||
| JP416406U |
Attorney, Agent or Firm:
Kunio Miura
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