Traveling cleaner for textile machines

Claim 1

IN A TRAVELING CLEANER FOR TEXTILE MACHINES ARRANGED TO TRAVEL ALONG A TRACKWAY POSITIONED ABOVE AND EXTENDING LONGITUDINALLY ALONG A ROW OF SUCH MACHINES IN A WORK ROOM, THE COMBINATION COMPRISING A TRAVELING SUPPORT STRUCTURE, A BLOWER UNIT MOUNTED ON SAID SUPPORT STRUCTURE, AN AIR INTAKE TRUNK EXTENDING DOWNWARDLY FROM SAID SUPPORT STRUCTURE AND CONNECTED AT ITS UPPER END TO THE INTAKE SIDE OF SAID BLOWER UNIT FOR SUCKING IN LINT AND SIMILAR PARTICULATE MATTER, SCREEN MEANS INTERPOSED IN THE AIR FLOW PATH PRECEDING THE SIDE OF SAID BLOWER UNIT FOR STRIPPING OUT THE PARTICULATE MATTER ENTRAINED IN THE AIR SUCKED INTO SAID INTAKE TRUNK, AN AIR DISCHARGE TRUNK EXTENDING DOWNWARDLY FROM SAID SUPPORT AND CONNECTED AT ITS UPPER END TO THE DISCHARGE SIDE OF SAID BLOWER UNIT, SAID AIR DISCHARGE TRUNK BEING PROVIDE WITH A PLURALITY OF OUTLETS FOR DISCHARGING CLEANSED AIR LATERALLY INWARD AGAINST THE SIDE OF SAID MACHINE, A DAMPER MEMBER LOCATED AT THE UPPER END OF SAID AIR DISCHARGE TRUNK FOR CONTROLLING THE FLOW OF AIR INTO SAID TRUNK FROM SAID BLOWER UNIT, MEANS FOR ACTUATING SAID DAMPER MEMBER TO A PRESELECTED OPEN POSITION AND MEANS RESPONSIVE TO AN INCREASE IN STATIC PRESSURE ACROSS SAID BLOWER UNIT CAUSED BY PARTIAL CLOGGING OF SAID SCREEN MEANS DUE TO ACCUMULATION OF PARTICULATE MATTER THEREON FOR SHIFTING SAID DAMPER MEMBER TO A MORE OPEN POSITION TO THEREBY SAID AIR DISCHARGES TRUNK.