Self-cleaning filter mechanism

Claim 1

IN A FLUID FILTER, REVERSE FLOW CLEANING APPARATUS COMPRISING: (A) A PLURALITY OF FILTER ELEMENTS EACH HAVING NORMALLY OPEN FLOW PASSAGEWAY MEANS COMMUNICATING THEREINTO, SAID PASSAGEWAY MEANS BEING POSITIONED IN SPACED APART LOCATIONS ABOUT A CENTRAL POINT, (B) A REVERSE FLOW CONDUIT HAVING A MOUNT ADAPTED TO SEALINGLY ENGAGE WITH SAID RESPECTIVE PASSAGEWAY MEANS PROVIDING COMMUNICATION BETWEEN THE RESPECTTIVE FILTER ELEMENT AND CONDUIT, MOTIVE MEAN SUPPORTING SAID CONDUIT WITH SAID MOUTH NORMALLY SPACED FROM SAID PASSAGEWAY MEANS AND ADAPTED TO INTERMITTENTLY ROTATE SAID CONDUIT FOR BRINGING SAID MOUTH INTO SUCCESSIVE REGISTER, BUT NOT ENGAGING, SAID PASSAGEWAY MEANS, (C) RECIPROCATING MEANS ASSOCIATED WITH SAID MOTIVE MEANS FOR RECIPROCATING SAID CONDUIT MOUTH TRANSVERSELY TO SAID ROTATION INTO SEALING ENGAGEMENT WITH SAID RESPECTIVE PASSAGEWAY MEANS, (D) MEANS OPERABLY INTERCONNECTING SAID RECIPROCATING MEANS AND MOTIVE MEANS TO CAUSE SAID RECIPROCATION ONLY IN ABSENCE OF SAID ROTATION, AND (E) MEANS FOR URGING REVERSE FLUID FLOW THROUGH SAID CONDUIT AND INTO THE RESPECTIVE FILTER ELEMENT DURING SEALING CONTACT BETWEEN SAID MOUTH AND A PASSAGEWAY MEANS.