Image pickup apparatus having lens barrel

Details Image pickup apparatus having lens barrel Image pickup apparatus having lens barrel

2011-04-19

2011-04-19

Schwartz, Jordan M. (Department: 2873)

Optical: systems and elements

Lens

With support

C359S811000

Reexamination Certificate

active

07929228

ABSTRACT:
An image pickup apparatus includes a lens barrel. The lens barrel includes a fixture cylinder fixed onto an image pickup apparatus body, and provided with a plurality of cam grooves, and a movement cylinder provided with a plurality of cam followers, and configured to move in an optical axis direction as the cam follower rotates around an optical axis. One cam groove includes a non-engagement area that is not engaged with the cam follower. When the cam follower is located in the non-engagement area, a supporting member of a fixture cylinder supports in a radial direction a supported member that is provided to a part of the movement cylinder on an image plane side, and a part of the movement cylinder closer to the object side than the supported member is supported by the fixture cylinder in the radius direction via an elastic member.

REFERENCES:
patent: 2004/0160683 (2004-08-01), Nomura et al.
patent: 2008/0037144 (2008-02-01), Uehara
patent: 2004-198499 (2004-07-01), None

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