| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To raise a photographing magnification of an imaging device, and to thin the device without enlarging a diameter of a lens barrel, a drive load when driving the lens barrel in an optical axis direction, and an error of optical precision. <P>SOLUTION: This lens barrel 8A includes a lens holding frame 2 for holding a lens 1, and a cam follower 3 arranged at the outer circumferential side of the lens holding frame 2. When moving from a storage position to a photographing position, the cam follower 3 is engaged with the lens holding frame 2 to move the lens holding frame 2 to the photographing position. A compression coil spring 6 is interposed between the cam follower 3 and the lens holding frame 2. When the cam follower 3 is moved from the photographing position to the storage position, the compression coil spring 6 is engaged with the lens holding frame 2 to move the lens holding frame 2 to the image surface side. When moving to the image surface side, the lens holding frame 2 abuts on a fixing part 13a at the storage position, to thereby regulate further movement to the image surface side. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
