Combined shutter and diaphragm for a camera

Claim 1

IN A COMBINED SHUTTER-DIAPHRAGM DEVICE FOR A CAMERA, A RING-SHAPED BLADE CONTROL MEANS SURROUNDING A PLURALITY OF BLADES MEANS AND ADAPTED TO MOVE SAID BLADE MEANS BETWEEN A CLOSED CONDITION AND A FULLY OPENED CONDITION RECIPROCABLE ACTUATING MEANS MOVABLE THROUGH A PREDETERMINED PATH FOR ACTUATING THE BLADE CONTROL MEANS AND MOVING THE BLADE MEANS FROM THE CLOSED CONDITION TO THE FULLY OPENED CONDITION THEREOF, RESILIENT DRIVING MEANS FOR DRIVING THE ACTUATING MEANS FOR A PREDETERMINED PERIOD OF TIME, MEANS FOR URGING THE BLADE CONTROL MEANS TOWARD A CLOSED CONDITION FOR RECLOSING THE BLADE MEANS AFTER THE BLADE CONTROL MEANS HAS BEEN ACTUATED FOR A SET PERIOD OF TIME, ADJUSTABLE STOP MEANS FOR STOPPING MOVEMENT OF THE BLADE CONTROL MEANS BY THE DRIVING MEANS TO OPEN SAID BLADE MEANS TO ANY DESIRED POSITION, SAID RECIPROCABLE BLADE CONTROL MEANS INCLUDING A PIVOTED ARM PORTION MOUNTED SO AS TO NORMALLY MOVE WITH THE BLADE CONTROL MEANS AND ADAPTED TO YIELD UNDER FORCE APPLIED BY SAID ACTUATING MEANS AFTER THE MOVEMENT OF THE BLADE CONTROL MEANS IS STOPPED BY SAID ADJUSTABLE STOP MEANS.