Cam mechanism of lens

Details Cam mechanism of lens Cam mechanism of lens

1990-11-20

1993-05-11

Arnold, Bruce Y.

Optical: systems and elements

Lens

With variable magnification

359699, 359819, G02B 1514, G02B 702

Patent

active

052106446

ABSTRACT:
A cam mechanism of a lens including a cam groove having a conical side face, formed in an inner peripheral surface of a cam ring, and a cam follower which is provided on a lens holder for holding a lens group and which is fitted in the cam groove, so that the cam follower can be moved in an optical axis direction by the movement of the cam ring, spring members provided on the lens holder to elastically support the cam follower in the radial direction of the cam ring, and mounting members provided on the spring members to engage with the cam follower in the radial direction.

REFERENCES:
patent: 3655271 (1972-04-01), Suzuki
patent: 3931629 (1976-01-01), Himmelsbach
patent: 4099847 (1978-06-01), Ito
patent: 4166675 (1979-09-01), Kanno
patent: 4272160 (1981-06-01), Uesugi
patent: 4322150 (1982-03-01), Kamata et al.
patent: 4380378 (1983-04-01), Tamura
patent: 4384767 (1983-05-01), Kawai
patent: 4484800 (1984-11-01), Tamura
patent: 4544240 (1985-10-01), Shimzu
patent: 4707083 (1987-11-01), Iizuka et al.
patent: 4711528 (1987-12-01), Ando et al.
patent: 4759618 (1988-07-01), Kamata
patent: 4934789 (1990-06-01), Lemke

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1355360