Self cleaning filter

Claim 1

A SELF CLEANING WIRE WRAPPED FLUID COMPRISING A HOUSING HAVING AN INLET PORT AND AN OUTLET PORT FOR PERMITTING FLOW OF FLUID THERETHROUGH, A HOLLOW CYLINDRICAL DRUM LOCATED WITHIN SAID HOUSING, SAID DRUM HAVING A HELICAL THREAD FORMED ON THE OUTR SURFACE THEREOF AND A PLURALITY OF DRUM PORTS LOCATED AT PREDETERMINED INTERVALS ALONG THE ROOT OF SAID THREAD, FITTING MEANS LOCATED AT EACH END OF SAID DRUM ALONG THE AXIS THEREOF FOR OPERATIVELY CONNECTING SAID DRUM TO SAID HOUSING, PASSAGE MEANS LOCATED IN ONE OF SAID FITTING MEANS FOR COMMUNICATING THE INSIDE OF SAID DRUM WITH SAID OUTLET PORT, AN INLER SHAFT OPERATIVELY CONNECTED TO SAID HOUSING, SAID IDLER SHAFT BEING RADIALLY SPACED FROM SAID DRUM AND PARALLEL TO THE AXIS THEREOF, AN IDLER PULLEY ROTATABLE ON SAID IDLER SHAFT SAID SLIDABLE THEREALONG FROM A FIRST END POSITION TO A SECOND END POSITION, A STRANDED WIE WRAPPED AROUND SAID DRUM AND LOCATED BETWEEN ADJACENT CRESTS OF SAID THREAD FOR PERMITTING FLOW OF FLUID FROM OUTSIDE SAID DRUM TO INSIDE SAID DRUM VIA THE INTERSTICES FORMED BETWEEN THE STRANDED WIRE AND THE SIDES OF SAID THREAD, SAID STRANDED WIRE HAVING THE MAJOR PORTION THEREOF CONTINUOUSLY WRAPPED AROUND SAID DRUM AND THE REMAINING PORTION THEREOF SPACED THEREFROM AND PASSING AROUND SAID PULLEY, MEANS FOR FIXEDLY CONNECTING THE ENDS OF SAID STRANDED WIE TO SAID DRUM, MEANS OPERATIVELY CONNECTED TO THE OTHER OF SAID FITTING MEANS FOR ROTATING SAID DRUM ABOUT ITS AXIS AND CAUSING SAID STRANDED WIRE TO PROGRESSIVELY LEAVE THE DRUM AND PASS ALONG SAID PULLEY BEFORE RETURNING TO SAID DRUM, A SHIELD-LIKE WIPER MEMBER LOCATED BETWEEN SAID DRUM AND SAID PULLEY AND BETWEEN TWO PORTIONS OF SAID STRANDED WIRE FOR GUIDING SAID WIRE TO AND FROM SAID DRUM AND FOR REMOVING CONTAMINANTS FROM THE WIRE AS IT PASSES ONTO AND OFF OF SAID PULLEY, RIDGE MEANS FORMED ON SAID WIPER MEMBER FOR CONTINUOUSLY MATING WITH A PORTION OF SAID THREAD WHICH IS NOT COVERED BY THE STRANDED WIRE AND FOR REMOVING ANY CONTAMINANTS THEREFROM AS SAID DRUM ROTATES, AND RESILIENT MEANS OPATIVELY CONNECTED TO SAID IDLER SHAFT FOR MAINTAINING SAID STRANDED WIRE UNDER TENSION.