Slotted shutter for a photographic camera

Claim 1

SHUTTER MECHANISM FOR A CAMERA COMPRISING; A A CAMERA BODY, TWO SLIDE PLATE MEANS MOVABLY MOUNTED IN SAID BODY TO BE MORE INDEPENDENT OF EACH OTHER FROM A TENSION POSITION TO A REST POSITION TO EXPOSE A NEGATIVE, ONE OF SAID SLIDE PLATES BEING IN FILM EXPOSING POSITION IN ITS REST POSITION AND THE OTHER OF SAID SLIDE PLATES BEING IN FILM EXPOSING POSITION IN ITS TENSIONED POSITION, MEANS TO DRIVE SAID SLIDE PLATE MEANS FROM THEIR TENSIONED POSITION TO THEIR REST POSITION AND RETURN MEANS TO RETURN THEM TO THEIR TENSIONED POSITION, LATCH MEANS TO HOLD THE RESPECTIVE SAID SLIDE PLATE MEANS IN THEIR TENSIONED POSITIONS AND INDIVIDUALLY ACTUATABLE TO RELEASE THE RESPECTIVE SAID SLIDE PLATE MEANS, SAID AND EXPOSURE CONTROLLING MEANS MOUNTED IN SAID CAMERA OPERABLE TO EFFECT THE INDIVIDUAL ACTUATION OF SAID LATCH MEANS TO INDIVIDUALLY RELEASE SAID SLIDE PLATE MEANS, SAID EXPOSURE CONTROLLING MEANS COMPRISING RUN-OFF COLUMN MEANS AND WIND-UP COLUMN MEANS ARE ROTATABLY MOUNTED IN SAID CAMERA BODY, SAID WIND-UP COLUMN MEANS BEING ROTATABLE ONLY IN ONE DIRECTION AND BEING CONNECTED TO SAID RETURN MEANS FOR ACTUATION THEREBY DURING MOVEMENT OF SAID SLIDE PLATE MEANS TO THEIR TENSIONED POSITION, BIASING MEANS CONNECTED BETWEEN SAID WIND-UP COLUMN MEANS AND SAID RUN-OFF COLUMN MEANS FOR BIASING SAID RUN-OFF COLUMN MEANS FOR ROTATION IN SIAD ONE DIRECTION AND ENERGIZED BY SAID ROTATION OF SAID WIND-UP COLUMN MEANS, MEANS HOLDING SAID RUN-OFF COLUMN MEANS AGAINST ROTATION DURING ROTATION OF SAID WIND-UP COLUMN MEANS, MEANS FOR RELEASING SAID RUN-OFF COLUMN MEANS TO THE INFLUENCE OF SAID BIASING MEANS, AND MEANS OPERATED BY SAID RUN-OFF COLUMN MEANS DURING ROTATION THEREOF FOR SEQUENTIALLY AND INDIVIDUALLY ACTUATING SAID LATCH MEANS TO RELEASE FIRST SAID ONE SLIDE PLATE MEANS AND THEN SAID OTHER SLIDE PLATE MEANS.