Apparatus for cleaning bowling score cards

Claim 1

A MACHINE FOR CLEANING ONE SIDE OF A NORMALLY FLAT FLEXIBLE SHEET COMPRISING IN COMBINATION, A LIQUID TIGHT CABINET FOR CONTINUING A SUPPLY OF CLEANING FLUID THEREIN, A CLOSURE HOOD, MEANS HINGEDLY ATTACHING THE HOOD TO ONE END OF THE CABINET, A CLEANING DRUM-DRIVING MEANS EXTENDING OUTWARDLY FROM ONE WALL OF THE CABINET, A FIRST SERIES OF THREE RESILIENT-SURFACED FRICTION ROLLERS INCLUDING AN INTERMEDIATE IDLING ROLLER, MEANS ROTATABLY MOUNTING SAID FIRST SERIES OF ROLLERS WITHIN SAID HOOD, TWO OTHER RESILIENT-SURFACED FRICTION ROLLERS ROTATABLY MOUNTED WITHIN SAID CABINET AND ENGAGEABLE WITH THE FIRST AND THIRD FRCITION ROLLERS OF THE FIRST SERIES AND UNDERLYING THE SAME WHEN SAID HOOD IS CLOSED, A CLEANING DRUM ROTATABLY MOUNTED UNDER SAID IDLING ROLLER AND ENGAGEABLE THEREWITH WITHIN THE CABINET AND HAVING A DIAMETER LARGER THAN SAID IDLING ROLLER FOR CONTACTING THE CLEANING FLUID AND HAVING A DRIVING CONNECTION WITH SAID CLEANING DRUM-DRIVING MEANS FOR ROTATION IN ONE DIRECTION AND A DRIVING CONNECTION WITH SAID TWO OTHER ROLLERS TO IMPART ROTATION THERETO IN AN OPPOSITE DIRECTION, SAID TWO OTHER FRICTION ROLLERS BY THEIR ROLLING CONTACT WITH SAID FRICTION ROLLERS OF THE FIRST SERIES ADAPTED TO IMPART ROTATION TO THE LAST MENTIONED ROLLERS IN AN OPPOSITE DIRECTION FOR SQUEEZING CLEANING FLUID OFF SAID FLEXIBLE SHEET, COOPERATING SHEET-SUPPORTING MEANS CARRIED BY SAID CLOSURE AND SAID CABINET EXTENDING FULL LENGTH THEREOF AND ADAPTED TO GUIDE A SHEET INTO PROGRESSIVE ENGAGEMENT WITH THE FRICTION ROLLERS OF SAID FIRST SERIES AND SAID OTHER TWO ROLLERS FOR PASSAGE THEREBY BETWEEN SAID OPPOSITELY ROTATING CLEANING DRUM AND IDLING ROLLER TO BE PRESSED DOWNWARDLY BY THE LATTER AGAINST THE CLEANING DRUM TO PARTAKE OF THE CLEANING ACTION THEREOF.