Patent ID: 8358472
Filing Date: 2013-01-22
Classification: G02B

Abstract:
1. A lens barrel, comprising: a lens holding frame for holding an optical lens, the lens holding frame having a bottomed circular recess formed in its outer peripheral surface; a cam follower fixed to an outer diameter portion of the lens holding frame with a screw, the cam follower including a core portion and a collar portion provided on an outer periphery of the core portion; and a barrel member having a guide groove into which the cam follower is fitted, the guide groove determining a position of the lens holding frame, wherein under a state in which the cam follower is mounted to the outer diameter portion of the lens holding frame, an outer diameter portion of the collar portion is fitted to an inner diameter portion of the bottomed circular recess, and one end surface of the core portion abuts on a bottom surface of the bottomed circular recess and another end surface of the core portion abuts on a head portion of the screw.