| 摘要 |
<p>PURPOSE: A shutter apparatus is provided to stabilize a rotary speed of a driving lever and blade lever and to enhance the precision of the operation because the driving lever and blade lever are rotated together when operating first and second blades. CONSTITUTION: A shutter apparatus comprises a shutter plate, a shutter blade, a blade lever(15), a spring, a driving lever(11), a blade driving spring, a charge cam member, and a holding cam member. An opening where photographing flux passes through is formed in the shutter plate. The shutter blade opens and closes the opening. The blade lever is connected to a shutter blade. The spring pressurizes the driving lever to a direction where the shutter blade opens the opening. The driving lever drives the shutter blade. The blade driving spring pressurizes the driving lever.</p> |
