Patent ID: 7445393

Claim:
A camera in which a shutter curtain is charged and driven to a charged state against a spring force, and then the charged state is released to allow the shutter curtain to be moved by the spring force, the camera comprising: a shutter curtain driving lever configured to movably support the shutter curtain and to be biased in a direction in which the shutter curtain is moved by the spring force; a quick return mirror having a mirror driving axis; a shutter charging lever having a charge axis and a cam surface configured to move and drive the shutter curtain driving lever against the spring force, thereby driving the shutter curtain driving lever to the charged state and holding the shutter curtain driving lever in the charged state; a mirror shutter charging lever configured to contact the charge axis to turn the shutter charging lever and contact the mirror driving axis to turn the quick return mirror; a cam member configured to turn the mirror shutter charging lever and having on the cam surface a first section configured to allow the shutter charging lever to be kept in the charged state and a second section configured to release the shutter charging lever from the charged state; and a driving unit configured to drive the cam member to rotate; wherein the cam member has a projection provided in the middle of a path from the first section to the second section and projecting from a cam surface defining the first section.