Patent ID: 8491203

Claim:
A shutter device comprising: a shutter plate formed with an aperture through which a photographic light flux passes; a shutter blade configured to close and open the aperture, wherein the shutter plate is formed with a first shaft parallel to an optical axis of the photographic light flux; a blade lever coupled with the shutter blade; a blade return spring configured to urge the blade lever in a direction in which the shutter blade opens the aperture; a drive lever configured to drive the blade lever, wherein the drive lever is arranged to rotate around the first shaft; a blade drive spring configured to urge the drive lever; a charge member configured to charge the blade drive spring, wherein the charge member is arranged to rotate about a second shaft in parallel to the first shaft; and a hold member configured to hold the blade lever so that the shutter blade closes the aperture, wherein the hold member is arranged to rotate around a third shaft in parallel to the first shaft, wherein, in a case when the blade drive spring is charged, the hold member switches whether the hold member holds the blade lever regardless of the drive lever, wherein the charge member and the hold member are coupled with each other directly so that the charge member and the hold member rotate in same speed.