| 摘要 |
PURPOSE:To effectively perform charging of a shutter mechanism or autofocus mechanism in a lens barrel without producing any variation of charging load due to switching of focal length, by installing both resemble exclusively used charge levers corresponding to the switching of the long and short focal lengths, respectively. CONSTITUTION:When a charge cam 22 is rotated in the clockwise direction in connection with the film winding operation made by the rotation of a motor 23 in the course of setting of a short focal length, a charge lever 24 rotates in the clockwise direction around a shaft 24a through another charge lever 25. A setting plate 16 is moved right against a spring 17 and the main lens forwarding members of a shutter mechanism and autofocus mechanism in the lens barrel 10 are charged through the interlocking section of the setting plate 16, and then, the setting plate 16 is held at the charging position by means of a tying lever. On the other hand, since an inhibit lever 26 is also rotated by a spring 27 when the charge lever 24 is rotated in the clockwise direction, the lens barrel 10 cannot be moved forward to the long focal length side at the time of charging operation. |
