Radiographic apparatus for inserting an intensifying screen into a self-processing photographic film pack

Claim 1

RADIOGRAPHIC APPARATUS FOR USE WITH A FILM-HOLDER OF A TYPE INCLUDING EXPOSURE AND PROCESSING MEANS AND A FILM ASSEMBLY MOUNTED THEREIN INCLUDING A PHOTOSENSITIVE COMPONENT AND A RETRACTABLE OPAQUE COVERING ENVELOPE, SAID APPARATUS, DURING SLIDABLE MOVEMENT OF SAID ENVELOPE, BEING ADAPTED TO SELECTIVELY INSERT A RADIOGRAPHIC ELEMENT INTO SAID ENVELOPE FOR EXPOSURE PURPOSES AND REMOVE IT AFTER SAID EXPOSURE, AND COMPRISING A THIN, RESILIENT, MAGNETICALLY-ATTRACTABLE PLATE-LIKE ELEMENT BEARING A LAYER OF A RADIATION-EMISSIVE SUBSTANCE, SAID ELEMENT BEING RELEASABLY ATTACHABLE AT ONE END OF SAID FILM ASSEMBLY TO SAID PHOTOSENSITIVE COMPONENT THEREOF AND SO BIASED TOWARD SAID ENVELOPE AND CONTAINED FILM ASSEMBLY THAT, AT ONE POSITION OF SAID ENVELOPE, IT IS ADAPTED TO BEAR AGAINST AN EXTERNAL SURFACE OF SAID ENVELOPE IN SLIDABLE CONTACT THEREWITH AND, AT ANOTHER POSITION OF SAID ENVELOPE, IT IS ADAPTED TO BEAR DIRECTLY AGAINST SAID PHOTOSENSITIVE COMPONENT, A BOX-LIKE ELEMENT FORMING THEREWITHIN A CHAMBER FOR RECEIVING AND FIRMLY MOUNTING SAID FILM-HOLDER WHILE SHIELDING SAID FILM ASSEMBLY CARRIED THEREIN FROM ACTINIC LIGHT,