| 摘要 |
PURPOSE:To simplify the constitution, by covering an aperture with a front curtain and a rear curtain except in the exposure and charging a front curtain driving spring in accordance with the film winding operation at the end of photography and charging a rear curtain driving spring when the rear curtain is evacuated. CONSTITUTION:When the film winding operation is performed automatically at the end of photography, a lever 27 is slided to the left in accordance with this operation to turn a set lever 23 clockwise, and a rear curtain set lever 2 is turned counterclockwise through a pin 23c, and a front curtain driving lever 9 is turned clockwise through a pin 9c. A charge lever 40 is turned clockwise also to charge springs 42 and 45, and a bending part 40c is engaged with a hook part 36 of a detaining lever 36, and a mirror 46 is set to the charge state. At this time, a front curtain and a rear curtain cover an aperture 1a. Next, when a shutter button is depressed, a detaining lever 32 is turned counterclockwise, and a mirror 44 is moved upward through a control lever 44, and an interlocking lever 49 rises to turn a rear curtain set lever 13 counterclockwise, and the rear curtain is displaced to the start position. Thus, the constitution is simplified. |
