Patent ID: 9411125
Filing Date: 2016-08-09
CPC Classification: G02B,G03B

Claim Text:
1. A lens barrel, comprising: a first lens including a first optical axis; a second lens including a second optical axis; a first frame body; a frame group including a main frame, a support frame, and a retracting lens frame, the support frame configured to be supported by the main frame movably in a plane that is perpendicular to the first optical axis, the retracting lens frame configured to support the second lens and be supported by the support frame, and configured to move with respect to the first frame body in a first optical axis direction; and a retraction shaft configured to be substantially parallel to the first optical axis and rotatably support the retracting lens frame with respect to the support frame; wherein a contact portion is formed in an inner peripheral part of the first frame body, the contact portion including at least one side wall, the retracting lens frame includes a protrusion, the protrusion configured to engage with the contact portion and be guided by the contact portion, the protrusion moves along the contact portion when the frame group moves with respect to the first frame body in the first optical axis direction, the retracting lens frame rotates around the retraction shaft by the movement of the protrusion during a transition period between an imaging enabled state and a housed state, a position of the second optical axis changes from a position on the first optical axis to a position outside the first optical axis during the transition period.