Panoramic camera with removable film casette

Claim 1

IN A PANORAMIC CAMERA HAVING A HOUSING THAT ROTATES ABOUT AN AXIS EXTENDING THROUGH A PRINCIPAL POINT OF THE CAMERA LENS TO PRODUCE AN IMAGE THAT REMAINS STATIONARY IN SPACE AT THE FOCAL PLANE OF THE CAMERA AND IN WHICH THE FILM IS WRAPPED PROGRESSIVELY AROUND THE FOCAL PLANE AHEAD OF THE IMAGE, THE COMBINATION WITH SAID CAMERA, OF (A) A CASETTE REMOVABLE AND REPLACEABLE THROUGH A BACK OF THE HOUSING FOR CONTAINING AN UNEXPOSED FILM AND FOR PROTECTING THE FILM FROM LIGHT WHETHER THE CASETTE IS WITHIN OR WITHOUT THE CAMERA HOUSING, AND (B) MEANS FOR COORDINATING THE SPEED OF TRAVEL OF THE FILM WITH THE RESPECT TO THE ORBITAL MOVEMENT OF THE CASSETTE TO OFF-SET SAID ORBITAL MOVEMENT, (C) THE CASETTE COMPRISING A CONTAINER WHICH HOLDS WITHIN IT THE ENTIRE LENGTH OF THE FILM ON SUPPLY AND TAKE-UP SPOOLS AND THE LENGTH OF FILM BETWEEN THE FILM SPOOLS, (D) A FRONT WALL OF THE CONTAINER HAVING A VERTICALLY EXTENDING SLOT FOR EXPOSURE OF FILM AS IT IS WOUND PAST THE SLOT, AND A SECOND SLOT WHICH EXPOSES A LENGTH OF ONE EDGE OF THE FILM, AND ANOTHER WALL OF THE CONTAINER HAVING AN OPENING THEREIN FOR EXPOSING DRIVEN MEANS CONNECTED WITH A FILM TAKE-UP SPOOL IN THE CONTAINER, (E) THE CAMERA HOUSING HAVING AN OPENING INTO WHICH THE CASSETTE IS INSERTABLE FRONTWARDS WITH THE FRONT WALL OF SAID CONTAINER IN LINE WITH THE OPTICAL AXIS OF THE CAMERA, (F) THE MEANS FOR COORDINATING THE SPEED OF TRAVEL OF THE FILM COMPRISING A WHEEL IN THE CAMERA HOUSING AHEAD OF THE CASSETTE AND IN POSITION FOR PROJECTION THROUGH THE SECOND SLOT IN THE FRONT WALL AND INTO DRIVING CONTACT WITH THE FILM WHEN THE CASSETTE IS IN ASSEMBLED RELATION WITH THE CAMERA HOUSING, (G) MEANS FOR ROTATING THE DRIVING WHEEL AT A RATE TO COMPENSATE ORBITAL MOVEMENT OF THE CASSETTE AND THEREBY HOLD THE FILM AT THE EXPOSURE SLOT STATIONARY IN SPACE WHILE THE CAMERA ROTATES ABOUT ITS AXIS, (H) AND OTHER DRIVING MEANS IN THE CAMERA HOUSINGIN POSITION TO OPERABLY ENGAGE THE DRIVING MEANS CONNECTED WITH THE TAKE UP SPOOL INCLUDING A ROTATING ELEMENT THAT URGES THE TAKE-UP SPOOL TO MOVE THE FILM FASTER THAN THE SPEED DETERMINED BY SAID WHEEL.