Patent ID: 9720205
Date: 2017-08-01
CPC Classifications: G02B

Claim:
1. A lens barrel, comprising: a moving frame including a first cam mechanism; a drive frame including a second cam mechanism and configured to guide the moving frame in an optical axis direction with the second cam mechanism; and a rectilinear guide frame configured to support the moving frame so that the moving frame moves in the optical axis direction but does not rotate; the drive frame including a drive frame body having a substantially cylindrical shape, a flange having a substantially circular shape, a base portion, and a rotary guide portion, the drive frame body, the flange, the base portion, and the rotary guide portion being integrally molded, wherein: the flange is formed at one end of the drive frame body along a circumference thereof, the flange protruding outward in a radial direction from the drive frame body; the second cam mechanism is formed on a side of the drive frame body from which the flange protrudes, the second cam mechanism being configured to engage with the first cam mechanism; the base portion protruding from the flange in the optical axis direction, the base portion being so arranged that a space is formed between the base portion and the drive frame body in the radial direction; and the rotary guide portion disposed on an outside of the base portion in the radial direction, the rotary guide portion configured to engage with an inner face of the rectilinear guide frame in the radial direction, and the rotary guide portion supporting the rectilinear guide frame so that the rectilinear guide frame rotates but does not move in the optical axis direction relative to the second cam mechanism.