Printing roll mounting means for printing apparatus

Claim 1

A PRINTING APPARATUS HAVING A FRAME; A BACKING CYLINDER ROTATABLY MOUNTED IN SAID FRAME; A PAIR OF BEARING SUPPORTS ON SAID FRAME OUTWARDLY OF SAID CYLINDER AT OPPOSITE ENDS THEREOF AND PROVIDING ARCUATE BEARING SEATS; A PRINTING ROLL OF GENERALLY CYLINDRICAL CONFIGURATION WITH AN APERTURE EXTENDING AXIALLY THERETHROUGH; AND A ROLL MOUNTING ASSEMBLY ROTATABLY SEATED IN SAID BEARING SUPPROTS AND SUPPORTING SAID PRINTING ROLL FOR ROTATION DURING OPERATION OF THE APPARATUS BUT QUICKLY DISENGAGEABLE THEREFROM FOR REMOVAL OF SAID ROLL, SAID ROLL MOUNTING ASEMBLY INCLUDING A FIRST SHAFT COMPONENT ROTATABLY SEATED IN ONE OF SAID PAIR OF BEARING SUPPORTS AND EXTENDING THERETHROUGH, SAID FIRST SHAFT COMPONENT BEING COAXIAL WITH SAID PRINTING ROLL AND HAVING FIRST MANDREL MEANS THEREON OF GENERALLY FRUSTOCONICAL CONFIGURATION, AND AT THE INNER END THEREOF SAID FIRST MANDREL MEANS EXTENDING INWARDLY OF THE ADJACENT END OF SAID PRINTING ROLL WITH THE EXTERNAL PERIPHERY THEREOF IN FIRM CONTACT WITH THE INNER WALL OF SAID PRINTING ROLL AT THE END THEREOF AND SAID FIRST SHAFT COMPONENT HAVING A COAXIAL APERTURE THEREIN OPENING AT THE INNER END THEREOF, A SECOND SHAFT COMPONENT ROTATABLY SEATED IN THE OTHER OF SAID PAIR OF BEARING SUPPORTS AND HAVING A FIRST PORTION EXTENDING COAXIALLY INWARDLY OF SAID PRINTING ROLLING WITH ITS END EXTENDING INTO AND SEATED IN SAID COAXIAL APERTURE OF SAID FIRST SHAFT COMPONENT AND A SECOND PORTION EXTENDING THROUGH SAID OTHER BEARING SUPPORT, SAID FIRST PORTION BEING OF LESS WIDTH THAN THE APERTURE THROUGH SAID PRINTING ROLL TO PROVIDE RADIAL SPACING THEREBETWEEN, SAID SECOND SHAFT COMPONENT HAVING SECOND MANDREL MEANS THEREON OF GENERALLY FRUSTOCONICAL CONFIGURATION AND EXTENDING INWARDLY OF THE OTHER END OF SAID PRINTING ROLL WITH THE