Web cleaner apparatus

Claim 1

IN A XEROGRAPHIC REPRODUCING APPARATUS WHEREIN A XEROGRAPHIC DRUM IS JOURNALED IN THE FRAME OF THE APPARATUS TO BE ROTATED THROUGH A SERIES OF XEROGRAPHIC PROCESSING STATIONS, INCLUDING A PLATE CLEANING STATION WHEREIN RESIDUAL POWDER REMAINING ON THE SURFACE OF THE XEROGRAPHIC DRUM IS REMOVED; THE IMPROVEMENT INCLUDING A SUPPORT SECURED TO SAID FRAME; A TORQUE TUBE ROTATABLY MOUNTED ON SAID SUPPORT, ARM MEANS SECURED TO SAID TORQUE TUBE FOR ROTATION THEREWITH, ROLLER MEANS ROTATABLY MOUNTED ON SAID ARM MEANS, A SUPPLY SHAFT MOUNTED ON SAID FRAME, A TAKE-UP SHAFT JOURNALED IN SAID FRAME, SAID TORQUE TUBE, SAID ROLLER MEANS, SAID SUPPLY SHAFT AND SAID TAKE-UP SHAFT BEING POSITIONED WITH THEIR AXES SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID XEROGRAPHIC DRUM, A FIRST DRIVE MEANS CONNECTED TO SAID ROLLER MEANS FOR ROTATING SAID ROLLER MEANS AT A PREDETERMINED SPEED RELATIVE TO THE MOVEMENT OF SAID XEROGRAPHIC DRUM, A SECOND DRIVE MEANS CONNECTED TO SAID TAKE-UP SHAFT WHEREBY A WEB OF CLEANER MATERIAL WHICH IS ADVANCED FROM SAID SUPPLY SHAFT BY SAID ROLLER MEANS IS REWOUND ON SAID TAKE-UP SHAFT, AND MEANS CONNECTED TO SAID TORQUE TUBE WHEREBY SAID ROLLER MEANS IS MOVABLE FROM A FIRST POSITION IN WHICH IT IS IN PRESSURE CONTACT WITH SAID XEROGRAPHIC DRUM WITH THE WEB OF CLEANING MATERIAL SANDWICHED THEREBETWEEN, TO A SECOND POSITION IN WHICH SAID ROLLER MEANS IS OUT OF PRESSURE CONTACT WITH SAID XEROGRAPHIC DRUM.