Central shutter for camera lens, has closure leaves are pivotally supported on fixed studs, and pivot arm contacting stop arranged on leaf carrier under leg springs when closure leaves are fully pivoted into shutter opening

摘要

The shutter (1) has fixed studs (3) arranged circularly symmetrically to each other on a ring-shaped leaf carrier (2). A sickle-shaped closure leaves (4) are pivotally supported on the fixed studs. The closure leaves are associated with a separate pivot arm (5) facing a shutter opening (6) and pivotally supported on the studs. The pivot arm contacts a stop (10) arranged on the leaf carrier under leg springs (8, 9) when the closure leaves are fully pivoted into the shutter opening. A motor drive for a toothed wheel is arranged at the ring-shaped leaf carrier.