Lens barrel

Details Lens barrel Lens barrel

2011-07-12

2011-07-12

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

With support

C396S349000

Reexamination Certificate

active

07978424

ABSTRACT:
A lens barrel includes front and rear holding members holding front and rear optical elements; an advancing/retracting member; a first guide portion guiding the front holding member relative to the advancing/retracting member; a first biasing member biasing the front holding member rearwards; a second guide portion guiding the rear holding member independently of the advancing/retracting member; a second biasing member biasing the rear holding member forwards; and first contact portions provided between the front and rear holding members, a rearward movement of the front holding member causing the first contact portions to contact and transmit a rearward moving force to the rear holding member when the lens barrel moves to the lens barrel accommodated state. The first and second guide portions, force-applied portions provided between the first/second biasing members and the front/rear holding members, and the first contact portions being all positioned within one of four equiangular ranges.

REFERENCES:
patent: 7773871 (2010-08-01), Ishizuka
patent: 2001/0017984 (2001-08-01), Kabe et al.
patent: 2004/0141736 (2004-07-01), Nomura
patent: 2005/0207748 (2005-09-01), Ishizuka et al.
patent: 2006/0115250 (2006-06-01), Nomura
patent: 2006/0115253 (2006-06-01), Nomura
patent: 2006/0115255 (2006-06-01), Nomura
patent: 2006/0193625 (2006-08-01), Nomura
patent: 2005-266345 (2005-09-01), None
English language Abstract of JP 2005-266345, Sep. 29, 2005.
U.S. Appl. No. 12/413,724 to Sasaki, filed Mar. 30, 2009.

Affiliated with

Also associated with

Rating

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 Lens barrel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lens barrel will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2634990