Reflex photographic apparatus with single object-lens, with improved synchronized control and coupling mechanism

Claim 1

IN A SINGLE LENS REFLEX CAMERA, IN COMBINATION, A WALL FORMED WITH AN EXPOSURE APERTURE THROUGH WHICH FILM IN THE CAMERA IS EXPOSED; AN OCULAR LOCATED AT AN ELEVATION HIGHER THAN SAID APERTURE; A SEMI-TRANSPARENT REFLECTOR HAVING AN OPERATING POSITION IN FRONT OF SAID APERTURE EXTENDING ACROSS THE OPTICAL AXIS AT A 45* ANGLE THERETO; LENS MEANS HAVING A LOWER PORTION BENEATH SAID REFLECTOR AND AN UPPER PORTION OVER SAID REFLECTOR, SAID LENS MEANS COOPERATING WITH SAID REFLECTOR AND OCULAR FOR DIRECTING AN IMAGE RECEIVED BY SAID REFLECTOR FROM THE OBJECTIVE OF THE CAMERA FIRST DOWN TO SAID LOWER PORTION OF SAID LENS MEANS AND THEN BACK FROM SAID LOWER PORTION OF SAID LENS MEANS UP THROUGH SAID REFLECTOR TO SAID UPPER PORTION OF SAID LENS MEANS AND FROM THE LATTER TO SAID OCULAR; SHUTTER MEANS LOCATED ADJACENT SAID OCULAR AND HAVING AN OPEN POSITION PERMITTING VIEWING OF AN IMAGE THROUGH SAID OCULAR AND A CLOSED POSITION CLOSING SAID OCULAR; A LIGHT SHIELD CLOSING SAID APERTURE AND SPACED FROM SAID REFLECTOR WHEN SAID REFLECTOR IS IN SAID OPERATING POSITION, SAID LIGHT SHIELD AND REFLECTOR HAVING A COMMON TURNING AXIS LOCATED ADJACENT SAID WALL BENEATH SAID APERTURE; MEANS COOPERATING WITH SAID LIGHT SHIELD AND REFLECTOR FOR MOVING SAID LIGHT SHIELD AWAY FROM SAID APERTURE AND SAID REFLECTOR AWAY FROM ITS OPERATING POSITION TO AN INOPERATIVE POSITION ADJACENT SAID LOWER PORTION OF SAID LENS MEANS WHEN AN EXPOSURE IS TO BE MADE; AND MEANS COOPERATING WITH SAID SHUTTER MEANS FOR PLACING THE LATTER IN SAID CLOSED POSITION WHEN SAID REFLECTOR IS IN ITS INOPERATIVE POSITION AND FOR PLACING SAID SHUTTER MEANS IN ITS OPEN POSITION WHEN SAID REFLECTOR IS IN ITS OPERATING POSITION, WHEREBY LIGHT CANNOT PASS THROUGH SAID OCULAR TO THE INTERIOR OF THE CAMERA WHEN SAID REFLECTOR IS IN ITS INOPERATIVE POSITION.