Exposure controlling mechanism for photographic cameras

Claim 1

A PHOTOGRAPHIC CAMERA HAVING A SHUTTER RELEASE MEANS INCLUDING A SHUTTER RELEASE ROD, AN EXPOSURE METER BUILT INTO THE CAMERA AND HAVING A POINTER DEFLECTABLE IN ACCORDANCE WITH THE LIGHT INTENSITY FROM AN OBJECT TO BE PHOTOGRAPHED, A PHOTOGRAPHIC OBJECTIVE WITH A VARIABLE OPENING DIAPHRAGM, MEANS FOR OPERATING THE DIAPHRAGM, FILM SENSITIVITY AND SHUTTER SPEED ADJUSTING MEANS ON THE CAMERA, AND A SUBSTANTIALLY FLAT CONTROL MECHANISM FOR THE SHUTTER RELEASE MEANS COUPLED TO THE RELEASE ROD AND INTERLOCKABLE WITH THE RELEASE ROD, THE POINTER AND THE DIAPHRAGM OPERATING MEANS COMPRISING A SLIDABLE MAIN SHIFT MEMBER, MEANS COUPLING THE SLIDABLE MAIN SHIFT MEMBER TO THE RELEASE ROD, MEANS COUPLING THE MAIN SHIFT MEMBER TO THE DIAPHRAGM OPERATING MEANS, A SLIDABLE CAM MEMBER HAVING ONE END OF ARCUATE SHAPE AND ENGAGEABLE WITH THE POINTER, A SLIDABLE CONTROL MEMBER POSITIONED BY THE SETTING OF THE FILM SENSITIVITY AND SHUTTER SPEED ADJUSTING MEANS, THE SLIDABLE MAIN SHIFT, CAM AND CONTROL MEMBERS BEING POSITIONED ADJACENT TO, AND SHIFTABLE PARALLEL, TO EACH OTHER, AND A LEVER PIVOTED ON THE SLIDABLE CAM MEMBER AND HAVING ONE OF ITS ARMS COUPLED TO THE MAIN SHIFT MEMBER AND ITS OTHER ARM COUPLED TO THE CONTROL MEMBER TO MOVE THE OTHER TWO SLIDABLE MEMBERS VARIABLE, DIFFERENT BUT INTERDEPENDENT, PREDETERMINED AMOUNTS ON DEPRESSION OF THE SHUTTER RELEASE ROD DURING THE INITIAL PORTION OF ITS DOWNWARD MOVEMENT.