Cameras with coupled light meters

Claim 1

IN A CAMERA HAVING AN ADJUSTABLE EXPOSURE-DETERMINING MEANS, IN COMBINATION, MOVING MEANS ADAPTED TO BE MOVED BY THE EXPOSURE-DETERMINING MEANS OF THE CAMERA TO A POSITION DETERMINED BY THE SETTING OF THE EXPOSUREDETERMINING MEANS; MOTION TRANSMITTING MEANS MADE UP OF A TRAIN OF ELEMENTS STARTING WITH AN INPUT ELEMENT, ENDING WITH AN OUTPUT ELEMENT, AND INCLUDING AFTER SAID INPUT ELEMENT AND BEFORE SAID OUTPUT ELEMENT A CAM AND A CAM FOLLOWER, SAID MOVING MEANS BEING OPERATIVELY CONNECTED WITH SAID INPUT ELEMENT OF SAID MOTION TRANSMITTING MEANS TO MOVE THE LATTER; A LIGHT METER HAVING A POINTER; A MOVABLE MEMBER OPERATIVELY CONNECTED TO SAID OUTPUT ELEMENT TO BE MOVED THEREBY, SAID MOVABLE MEMBER COOPERATING WITH SAID POINTER FOR INDICATING PROPER SETTING OF THE CAMERA; CLUTCH MEANS FORMING PART OF SAID MOTION TRANSMITTING MEANS AND COOPERATING WITH SAID CAM FOR RELEASABLY MAINTAINING THE LATTER IN AN OPERATIVE POSITION PARTICIPATING IN THE TRANSMISSION OF MOTION FROM SAID INPUT TO SAID OUTPUT ELEMENT; AND MANUALLY OPERABLE MEANS COOPERATING WITH SAID CLUTCH MEANS FOR ACTUATING THE LATTER TO MOVE SAID CAM INDEPENDENTLY OF MOTION DERIVED FROM SAID MOVING MEANS.