Motion picture apparatus with an exchangeable reel

Claim 1

THE COMBINATION WITH A SINGLE PROJECTOR MEANS FOR MOTION PICTURE FILMS INCLUDING A HOUSING, AT LEAST TWO CHAIN WHEELS ROTATABLY MOUNTED IS SAID HOUSING, A CHAIN CARRIED BY SAID CHAIN WHEELS, A PLURALITY OF MAGAZINES RELEASABLY SECURED TO SAID CHAIN AND PLACEABLE INTO ANY POSITION ON SAID CHAIN, A SOURCE OF LIGHT AND OPTICAL INTO ANY DENSER MEANS COORDINATED TO SAID SOURCE OF LIGHT DISPOSED IN SAID HOUSING, MEANS FOR MOVING SAID CHAIN, A LEVER PIVOTALLY MOUNTED IN SAD HOUSING, A MOTOR HAVING A FIRST SHAFT MOUNTED ON SAID LEVER, ELECTRO-MAGNETIC MEANS FOR LIFTING SAID MOTOR WITH SAID FIRST SHAFT A LOCKING MEMBER PROJECTING UPWARDLY IN SAID HOUSING AND TERMINATING AT A LEVEL HIGHER THAN THE UPPERMOST POINT OF SAID FIRST SHAFT EACH IF SAID MAGAZINES COMPRISING TWO BOXES RELEASABLY CONNECTED TO FORM A SINGLE UNIT, TWO FILM REELS AND FILM ADVANCING MENS RECEIVED BY ONE OF SAID BOXES, A SHUTTER MECHANISM POSITIONED IN COORDINATION TO SAID FILM ADVANCING MEANS AND RECEIVED BY THE OTHER OF SAID BOXES, A SECOND SHAFT MOUNTED IN SAID OTHER OF SAID BOXES AND CARRYING A FIRST GEAR, GEAR MEANS IN ENGAGEMENT WITH SAID FIRST GEAR FOR OPERATION OF SAID FILM ADVANCING MEANS AND OF SAID SHUTTER MEANS, EACH OF SAID MAGAZINES HAVING A RECESS IN ITS OUTER FACE DISPOSED AT THE SAME PREDETERMINED POINT IN ALL SAID MAGAZINES AND COMPLEMENTARY TO THE UPPER PORTION OF SAID LOCKING MEMBER AND ADAPTED TO RECEIVE SAID UPPER PORTION OF SAID LOCKING MEMBER UPON TRAVEL OF SAID MAGAZINE OPPOSITE SAID LOCKING MEMBER AND SIMULTANEOUS OPERATION OF SAID ELECTRO-MAGNETIC MEANS, SAID SECOND SHAFT PROJECTING THROUGH THE WALL OF SAID OTHER OF SAID OTHER BOXES AND HAVING A RECESS AT ITS OUTER END FACE, SAID FIRST SHAFT HAVING AN UPPER END COMPLEMENTARY TO SAID RECESS OF SAID SECOND SHAFT AND RECEIVED IN SAID RECES OF SAID SECOND SHAFT TO FORM A RELEASABLE DRIVING CONNECTION BETWEEN SAID MOTOR AND SAID FILM ADVANCING MEANS AND SAID SHUTTER MECHANISM.