Protective nozzle for X-ray machine

Claim 1

IN A PROTECTIVE DEVICE FOR CONFINING THE RANDOM EMANATION OF RADIATION FROM AN X-RAY DEVICE, THE COMBINATION OF: A CONTINUOUS CYLINDRICAL WALL DEFINING A TUBE COMPRISED OF MATERIAL SUBSTANTIALLY OPAQUE TO X-RAYS, SAID TUBE HAVING AT ONE END A MEANS FOR ATTACHING SAME TO SAID X-RAY DEVICE; AN OUTER TUBE SURROUNDING SAID INNER TUBE AND SPACED A RELATIVELY SMALL RADIAL DISTANCE THEREFROM, SAID OUTER TUBE BEING SECURED TO SAID INNER TUBE AT THE END ADJACENT SAID X-RAY DEVICE; A PLURALITY OF ELONGATED SLAT MEMBERS OF A MATERIAL SUBSTANTIALLY OPAQUE TO X-RAYS, LONGITUDINALLY ALIGNED WITH AND SLIDABLE RELATIVE TO THE LONGITUDINAL AXIS OF THE TUBES AND POSITIONED BETWEEN SAID INNER TUBE AND SAID OUTER TUBE; GUIDE MEANS LOCATED BETWEEN SAID TUBES TO MAINTAIN THE SLAT MEMBERS IN THEIR PROPER RELATIONSHIP; AND CONTROL MEANS SECURED TO EACH SLAT MEMBER WHEREBY SAID SLAT MEMBERS MAY BE INDIVIDUALLY MOVED LONGITUDINALLY RELATIVE TO THE TUBES ALONG THE GUIDE MEANS TO EXTEND FROM THE END OF THE DEVICE REMOTE FROM SAID ATTACHING MEANS TO CONSTITUTE A TUBULAR CONFIGURATION AND WHEREBY EACH SLAT MEMBER MAY BE FIXED RELATIVE TO SAID TUBES IN ITS DESIRED EXTENDED POSITION.