Single-lens reflex camera including mirror driving device

Details Single-lens reflex camera including mirror driving device Single-lens reflex camera including mirror driving device

2011-03-22

2011-03-22

Mahoney, Christopher E (Department: 2862)

Photography

Single lens reflex camera

With mirror support or drive

C396S502000, C348S374000

Reexamination Certificate

active

07909519

ABSTRACT:
A single-lens reflex camera including a mirror driving device comprises: a mirror; a first biasing spring that biases the mirror downward; a drive lever for performing charge drive and a mirror drive; a second biasing spring that biases the drive lever in a mirror up direction; a locking lever that swings around a pivoting shaft on the drive lever; a mirror up and down lever engaged with the locking lever, the mirror up and down lever pivoting with the drive lever to raise the mirror by the second biasing spring against the first biasing spring, the mirror up and down lever releasing the engagement with the locking lever, and the mirror up and down lever pivoting in a direction opposite the direction during the mirror up by the first biasing spring to thereby lower the mirror; a locking spring that engages and biases the locking lever to the mirror up and down lever; and a charge gear that includes a charge abutment that pivots the drive lever in a charge direction against the second biasing spring and a release abutment that releases the engagement between the locking lever and the mirror up and down lever.

REFERENCES:
patent: 5892990 (1999-04-01), Ogi
patent: 2005/0238346 (2005-10-01), Uematsu et al.
patent: 2005/0276598 (2005-12-01), Tomatsu
patent: 01-202738 (1989-08-01), None

Affiliated with

Also associated with

Rating

Single-lens reflex camera including mirror driving device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Single-lens reflex camera including mirror driving device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Single-lens reflex camera including mirror driving device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2662200