Patent ID: 7885525
Filing Date: 2011-02-08
Classification: G03B

Abstract:
1. A lens barrel comprising: a shooting lens disposed movably in an optical axis direction of said lens barrel; and a lens driving member which moves said shooting lens in the optical axis direction while said lens driving member is rotating around the optical axis, wherein said lens driving member has a first cam portion and a second cam portion, said first cam portion is configured to move said lens driving member in the optical axis direction in a transition region between a shooting region and a non-shooting region while said lens driving member is rotating around the optical axis, said second cam portion is configured to move an external member outside said lens barrel relative to said lens driving member in the optical axis direction while the lens driving member is rotating around the optical axis, and wherein said second cam portion moves the external member in the optical axis direction in the shooting region, and said second cam portion is formed in the transition region so as to prevent the external member from moving in cooperation with the lens driving member in the transition region.