Lens barrel

Details Lens barrel Lens barrel

2007-02-12

2010-06-08

Sugarman, Scott J (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S699000, C359S828000

Reexamination Certificate

active

07733577

ABSTRACT:
A lens barrel having a configuration lending itself to effectively reducing the size thereof and ensuring appropriate and safe operation thereof. The lens barrel includes a guiding portion provided for a lens holding member for guiding a cam follower in a radial direction of a cam barrel; a tabular elastic member provided for the lens holding member for urging the cam follower in a guiding direction of the guiding portion; and a regulating member limiting the transfer of the cam follower that is to be moved in a direction opposite to the urging direction by the elastic member. The regulating member is configured to be brought into contact with a predetermined portion of the lens holding member.

REFERENCES:
patent: 4707083 (1987-11-01), Iizuka et al.
patent: 5079575 (1992-01-01), Nii et al.
patent: 5210644 (1993-05-01), Nomura
patent: 5268794 (1993-12-01), Chan
patent: 2003/0081329 (2003-05-01), Nomura et al.
patent: 2005/0111113 (2005-05-01), Shirie
patent: 62-265900 (1987-11-01), None

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