Patent ID: 6266486
Filing Date: 2001-07-24
Classification: G02B

Abstract:
A lens mechanism having a stationary barrel and a movable barrel which is moved inside the stationary barrel, said mechanism comprising:a lead portion provided on an inner periphery of the stationary barrel;a driven portion which has a predetermined length along an optical axis direction, said driven portion including a follower portion which engages with said lead portion, and a first gear portion having a plurality of teeth and a second gear portion having a plurality of teeth, the first gear portion being spaced from the second gear portion, said first gear portion and said second gear portion being separately provided from the follower portion;a driving gear which drives the first gear portion to thereby rotate said driven portion and move said driven portion along said optical axis as a result of the engagement between said follower and lead portions; anda driven gear which is driven by the second gear portion of said driven portion.