Motion picture film and projector

Claim 1

A MACHINE FOR PROJECTING SEQUENTIAL IMAGES FROM A MOTION PICTURE FILM HAVING A PLUALITY OF PARALLEL ROWS OF PICTURE FRAMES EXTENDING LONGITUDINALLY THEREOF AND REPRODUCING SOUND RECORDED ON SAID FILM IN A PLURALITY OF ADJACENT SOUND TRACKS EXTENDING ALONG AN EDGE PORTION OF SAID FILM; SAID MACHINE COMPRISING: PROJECTION MEANS AND MEANS FOR GUIDING SAID FILM THERETHROUGH; TRANSPORT MEANS FOR MOVING SAID FILM IN ONE DIRECTION THROUGH SAID PROJECTION MEANS TO SEQUENTIALLY PROJECT THE FRAMES OF ONE OF SAID ROWS; MEANS RESPONSIVE TO ENTRY OF THE LAST FRAME OF A ROW INTO SAID PROJECTION MEANS FOR MOVING SAID FILM LATERALLY TO PRESENT THE FRAMES OF THE NEXT ADJACENT ROW TO SAID PROJECTION MEANS AND FOR REVERSING THE DIRECTION OF OPERATION OF SAID TRANSPORT MEANS TO THEREBY MOVE SAID FILM IN THE OPPOSITE DIRECTION SEQUENTIALLY PROJECT THE FRAMES OF THE SAID NEXT ADJACENT ROW; A MEMBER HAVING SAID TRANSPORT MEANS AND FILM MOUNTED THEREON AND BEING MOVABLE RELATIVE TO SAID PROJECTION MEANS; MEANS FOR MOVING SAID MEMBER IN DISCRETE STEPS, THE LENGTH OF EACH STEP BEING EQUAL TO THE LATERAL DISTANCE BETWEEN CORRESPONDING POINTS IN ADJACENT ROWS ON SAID FILM; SAID TRANSPORT MEANS INCLUDING A FRICTION DRUM ENGAGING ONE FACE OF SAID FILM THROUGHOUT ONLY THE WIDTH THEREOF OCCUPIED BY SAID ROWS OF PICTURE FRAMES, THE PORTION OF SAID FILM CARRYING SAID SOUND TRACKS PROJECTING AXIALLY FROM ONE END OF SAID DRUM; SOUND REPRODUCING MEANS FOR REPRODUCING SOUND RECORDED ON A SINGLE TRACK AND HAVING A PORTION ADJACNET EACH SIDE OF SAID PROJECTING PORTION OF SAID FILM; SAID MEMBER BEING MOVABLE RELATIVE TO SAID SOUND REPRODUCING MEANS WHEREBY MOVEMENT OF SAID MEMBER TO EFFECT PROJECTION OF AN ADJACENT ROW OF PICTURE FRAMES ALSO MOVES SAID FILM RELATIVE TO SAID SOUND REPRODUCING MEANS WHEREBY TO EFFECT REPRODUCTION OF THE SOUND RECORDED ON THE NEXT ADJACENT SOUND TRACK.