Lens barrel

Lens barrel

  • CN 101,614,859 A
  • Filed: 06/26/2009
  • Published: 12/30/2009
  • Est. Priority Date: 06/27/2008
  • Status: Active Application
First Claim
Patent Images

1. lens barrel comprises:

  • Lens holding frame, it is configured to keep lens and is provided with cam follower;

    Guide barrel, it engages with described lens holding frame, and is configured to guide point-blank on optical axis direction described lens holding frame;

    AndCam canister, it engages with described cam follower, and is provided with the cam path that engages with described cam follower, and described cam canister is configured to around the optical axis rotation, thereby moves described lens holding frame on optical axis direction,Wherein, the track of described cam path comprises the flat part that is orthogonal to optical axis and nonopiate in the lift portion of optical axis,Wherein, this flat part has the vertical plane perpendicular to optical axis, andWherein, described cam follower has the parallel surface that is parallel to this vertical plane.

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