Patent ID: 8840326
Filing Date: 2014-09-23
Classification: G02B,G03B

Abstract:
1. A lens barrel assembly comprising: a lens group; a lens barrel that support the lens group and comprises, on an outer circumferential surface thereof, a first movement pin projected outwardly and a second guide groove that is separate from the first movement pin and is extended along a circumferential direction; and an outer barrel disposed outside the lens barrel and comprises, on an inner circumferential surface thereof, a first guide groove extended along the circumferential direction to be coupled with the first movement pin, and a second movement pin that is separate from the first guide groove and is projected inwardly to be coupled with the second guide groove, wherein the lens barrel is moved in an optical axis direction as the outer barrel rotates, and wherein a movement section of the lens barrel comprises a first movement section in which the first movement pin is moved while being guided by the first guide groove, a second movement section in which the second guide groove is moved while being guided by the second movement pin, and an intersection movement section that connects the first movement section with the second movement section.