Transit mixer

Claim 1

A TRUCK MIXER HAVING A WHEELED CHASSIS AND A MIXING DRUM SUSPENDED FOR ROTATION ABOUT A FORE AND AFT AXIS ON THE CHASSIS, SAID DRUM COMPRISING A CYLINDRICAL CONTAINER WHICH IS CLOSED AT ITS END FORWARD OF THE CHASSIS AND PROVIDED WITH AN OPENING FOR DISCHARGE OF ITS CONTENTS TO THE REAR OF THE CHASSIS, THE MEANS OF SUSPENSION FOR THE DRUM INCLUDING FRONT AND REAR PEDESTALS ARRANGED RESPECTIVELY ADJACENT THE FRONT AND REAR ENDS OF THE CHASSIS, A TWO-PART HOUSING COMPRISING A LOWER PART FAST WITH SAID FRONT PEDESTAL AND AN UPPER PART DETACHABLY SECURED TO SAID LOWER PART, SAID TWO PARTS TOGETHER PROVIDING A SPHERICAL INTERNAL SEAT, A JOURNAL AT THE FORWARD END OF SAID DRUM IN VERTICAL ALIGNMENT WITH THE AXIS OF SAID CHASSIS, A BEARING ASSEMBLY FOR SUPPORTING SAID JOURNAL ON SAID HOUSING AND COMPRISING AN EXTERNALLY SPHERICAL BEARING ELEMENT MOUNTED IN SAID SPHERICAL INTERNAL SEAT AND ROLLER BEARINGS WITHIN SAID SPHERICAL BEARING ELEMENT AND ROTATABLY SUPPORTING SAID JOURNAL, AND ROLLER BEARINGS ON THE REAR PEDESTAL SPACED TRANSVERSELY OF SAID AXIS HAVING ROLLING ENGAGEMENT WITH THE DRUM AT ITS REAR END.