Patent ID: 9354420
Filing Date: 2016-05-31
CPC Classification: G02B,G03B

Claim Text:
1. A lens barrel comprising: a plurality of lens groups; a plurality of lens frames that hold the respective plurality of lens groups and each have a cam pin that protrudes in a direction perpendicular to an optical axis of the plurality of lens groups; a guide barrel that has a first opening, a second opening, and a linear groove which extends along the optical axis and through which the cam pins are inserted, the plurality of lens frames sequentially fit and inserted into the guide barrel through the first opening; and a cam barrel into which the guide barrel is fit and inserted and which has cam grooves with which the cam pins protruding through the linear groove engage, the linear groove and the cam grooves guiding the cam pins when the cam barrel is rotated around the optical axis relative to the guide barrel to move the plurality of lens groups along the linear groove, wherein