Dental X-ray shield and aiming means and film holder means mounted on opposite ends of bite means

Claim 1

AN X-RAY FILM HOLDER COMPRISING IN COMBINATION, SUBSTANTIALLY PLATE-LIKE X-RAY SHIELD AND AIMING MEANS ARRANGED TO BE POSITIONED EXTERIORLY OF A PATIENT''S FACE AND ADJACENT THE OUTER END OF THE CONE OF AN X-RAY MACHINE, SAID SHIELD AND AIMING MEANS BEING AT LEAST EQUAL IN AREA AND SHAPE TO THAT OF THE CONE OF AN X-RAY MACHINE AND HAVING AN OPENING OF RESTRICTED SIZE THERETHROUGH OF SUBSTANTIALLY SIMILAR SHAPE AND AREA TO THAT OF X-RAY FILM TO BE USED WITH SAID HOLDER TO EFFECT COLLIMATION OF THE X-RAY BEAM, BRACKET MEANS CONNECTED AT ONE END TO AND EXTENDING PERPENDICULARLY FROM ONE FACE OF SAID SHIELD AND AIMING MEANS, THE OTHER END OF SAID BRACKET HAVING SUPPORTING MEANS SPACED APART A DISTANCE GREATER THAN THE WIDTH OF SAID OPENING IN SAID SHIELD AND AIMING MEANS, AND NON-METALLIC CONNECTING MEANS HAVING FILM ATTACHING MEANS AND BRACKET ATTACHING MEANS ON OPPOSITE ENDS OF INTERMEDIATE BITE MEANS, SAID FILM ATTACHING MEANS AND BRACKET ATTACHING MEANS BEING ATTACHABLE TO AND READILY DETACHABLE FROM AN X-RAY FILM AND THE SUPPORTING MEANS ON THE OTHER END OF SAID BRACKET MEANS RESPECTIVELY THEREBY TO POSITION THE FILM IN AXIAL ALIGNMENT WITH SAID OPENING IN SAID SHIELD AND AIMING MEANS AND ALSO WITH THE CONE OF SAID X-RAY MACHINE WHEN SAID BITE MEANS OF SAID CONNECTING MEANS IS ENGAGED SUPPORTINGLY BETWEEN UPPER AND LOWER TEETH OF A PATIENT, WHEREBY NO METALLIC MEANS ON SAID BRACKET OR CONNECTING MEANS ARE DISPOSED BETWEEN SAID OPENING IN SAID SHIELD AND SAID X-RAY FILM WHEN THE FILM IS SUPPORTED BY SAID FILM ATTACHING MEANS.