Patent ID: 7356252
Filing Date: 2008-04-08
Classification: G02B,G03B

Abstract:
1. An auto-focusing zoom lens mechanism comprising: a base unit forming a space; an auto-focusing (AF) lens unit located in the base unit, the AF lens unit having a trajectory bar engaged therewith; a zoom lens unit located in the base unit and mounted on the AF lens unit, the zoom lens unit having a trajectory bar engaged therewith; a cam plate unit engaged with the AF lens unit and the zoom lens unit, the cam plate unit including a supporting plate in the bottom portion thereof, an up-formed plate extended from the supporting plate and a clip plate engaged with one side of the up-formed plate, an AF trajectory groove and a zoom trajectory groove formed on the other side of the up-formed plate, the AF trajectory groove receiving the trajectory bar of the AF lens unit and the zoom trajectory groove receiving the trajectory bar of the zoom lens unit respectively, the clip plate having a central hole; and a step motor unit engaged with the central hole of the clip plate to drive the cam plate unit moving.