Structure of a lens barrel

Details Structure of a lens barrel Structure of a lens barrel

2005-10-18

2005-10-18

Mack, Ricky (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S701000, C359S702000

Reexamination Certificate

active

06956705

ABSTRACT:
A zoom lens barrel structure includes a first lens frame including an outer ring portion, an inner ring portion, a flange wall, and a first cam follower; a cam ring positioned between the outer and inner ring portions; a second lens frame having a second cam follower, positioned inside the inner ring portion; a first cam groove formed on an outer peripheral surface of the cam ring, the first cam follower being engaged in the first cam groove; a second cam groove formed on an inner peripheral surface of the cam ring so that the second cam follower engages in the second cam groove; a linear guide ring, positioned around the first lens frame; and a linear guide mechanism, provided between the inner ring portion of the first lens frame and the second lens frame, for guiding the second lens frame linearly along the optical axis.

REFERENCES:
patent: 4993815 (1991-02-01), Yamazaki et al.
patent: 5488513 (1996-01-01), Tanaka
patent: 5589987 (1996-12-01), Tanaka
patent: 5668670 (1997-09-01), Nakayama et al.
patent: 6028718 (2000-02-01), Nakayama et al.
patent: 6115189 (2000-09-01), Nomura et al.
patent: 6469840 (2002-10-01), Momura et al.
patent: 2003/0007796 (2003-01-01), Nomura et al.
patent: 2003/0147146 (2003-08-01), Mikami
patent: 2004/0042089 (2004-03-01), Nomura
patent: 2004/0042777 (2004-03-01), Nomura
patent: 2004/0051971 (2004-03-01), Nomura
patent: 10-282394 (1998-10-01), None
patent: 2001-215385 (2001-08-01), None
patent: 2003-021775 (2003-01-01), None

Affiliated with

Also associated with

Rating

Structure of a lens barrel does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Structure of a lens barrel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Structure of a lens barrel will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3466526