Lens apparatus and camera

Details Lens apparatus and camera Lens apparatus and camera

2005-02-08

2005-02-08

Nguyen, Judy (Department: 2851)

Photography

Camera detail

Lens cover

C359S511000

Reexamination Certificate

active

06851871

ABSTRACT:
This invention discloses a lens apparatus that can surely drive a barrier member by rotating a driving member. A lens apparatus according to this invention comprises a lens forming an optical image, a barrier member which can be moved open and close, a driving member that drives the barrier member to an open position by rotating in one direction around an optical axis, and drives the barrier member to a close position by rotating in another direction around the optical axis, an energizing member energizing the driving member in one direction, and a barrel which is constructed around the optical axis. The barrel has a first guide portion rotating the driving member in the one direction, and a second guide portion rotating the driving member in the other direction according to a relative position change with the driving member with resisting an energizing force of the energizing member.

REFERENCES:
patent: 5602607 (1997-02-01), Kato et al.
patent: 6164842 (2000-12-01), Ohta et al.
patent: 6264380 (2001-07-01), Omiya
patent: 6312168 (2001-11-01), Naruse et al.
patent: 20020136554 (2002-09-01), Nomura et al.
patent: H10-68984 (1998-03-01), None
patent: 2002-14271 (2002-01-01), None

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