Apparatus for changing printing assembly

Claim 1

IN A PRINTING PRESS HAVING SPACED SIDE FRAME MEMBERS AND A PLATE CYLINDER WITH JOURNALS AT EACH END THEREOF, THE PROVISION OF MEANS FOR RELEASABLY MOUNTING SAID CYLINDER IN AN OPERATIVE POSITION BETWEEN SAID FRAME MEMBERS COMPRISING AN INWARDLY PROJECTING SHOULDER ON EACH FRAME MEMBER, A GUIDEWAY FORMED IN THE BOTTOM FACE OF EACH SHOULDER, A JOURNAL HOUSING MOUNTED ON THE JOURNAL AT EACH END OF THE PLATE CYLINDER, A DOCTOR BLADE ASSEMBLY ADAPTED TO HAVE COACTION WITH THE PLATE CYLINDER, MEANS MOUNTING THE DOCTOR BLADE ASSEMBLY TO THE JOURNAL HOUSING AS AN INTEGRAL PART THEREOF, A SLIDE PLATE SECURED TO THE TOP SURFACE OF EACH JOURNAL HOUSING AND ADAPTED TO BE RECEIVED IN THE GUIDEWAYS OF THE RESPECTIVE SHOULDERS, A PORTABLE MEMBER FOR SUPPORTING THE JOURNAL HOUSING DURING REMOVAL AND INSERTION OF THE SLIDE PLATES RELATIVE TO THE GUIDEWAYS, A STOP MEMBER IN EACH GUIDEWAY FOR LOCATING THE RESPECTIVE SLIDE PLATES IN A PREDETERMINED POSITION UPON INSERTION INTO THE GUIDEWAYS, AND MEANS FOR ADJUSTING ONE OF SAID STOP MEMBERS AND THEREWITH THE ASSOCIATED JOURNAL HOUSINGS TO THEREBY VARY THE ANGULAR POSITION OF THE PLATE CYLINDER AND THE COACTING DOCTOR BLADE ASSEMBLY AS A UNIT.