Filter assembly

Claim 1

IN A SELF-CLEANING AIR FILTER, A HOUSING, A PLURALITY OF CIRCUMFERENTIALLY SPACED BOLTS ATTACHED TO SAID HOUSING, A PLURALITY OF RADIALLY EXTENDING RESILIENT BRACKETS ANCHORED IN SAID HOUSING AND SPACED FROM SAID BOLTS, A FILTER MATERIAL MOUNTED ON SAID BRACKETS AND SAID BOLTS DEFINING RADIAL FINS, MEANS FOR MOVING A FIRST FLOW OF PARTICLE-LADEN AIR OVER SAID RADIAL FINS AND THROUGH SAID FILTER MATERIAL, THEREBY ENTRAPPING PARTICLES ON SAID FILTER MATERIAL, A FIRST MEANS MOUNTED FOR MOVEMENT IN OPPOSED DIRECTIONS IN SAID HOUSING FOR INDIVIDUALLY BENDING EACH OF SAID RADIAL FINS AWAY FROM ITS RADIAL DIRECTION WHEN IN CONTACT WITH ONE END OF SAID RADIAL FIN AND FOR CAUSING A VIBRATIONAL SNAP MOVEMENT OF EACH SAID RADIAL FIN UPON WITHDRAWAL FROM CONTACT THEREWITH, A SECOND MEANS MOUNTED FOR MOVEMENT IN SAID HOUSING FOR STOPPING THE VIBRATIONAL SNAP MOVEMENT OF EACH SAID RADIAL FIN BY COLLISION THEREWITH WHEN SAID FIRST MEANS IS MOVING IN A FIRST DIRECTION, A THIRD MEANS MOUNTED FOR MOVEMENT IN SAID HOUSING FOR STOPPING THE VIBRATIONAL SNAP MOVEMENT OF EACH SAID RADIAL FIN BY COLLISION THEREWITH WHEN SAID FIRST MEANS IS MOVING IN A SECOND DIRECTION, SAID COLLISION CAUSING DISLODGING OF THE ENTRAPPED PARTICLES FROM SAID FILTER MATERIAL, AND MEANS FOR MOVING SAID FIRST, SECOND, AND THIRD MEANS IN SAID FIRST AND SECOND DIRECTIONS.