Air purifier construction

Claim 1

AN AIR PURIFIER COMPRISING: A HOUSING HAVING A PAIR OF SIDE WALLS, A TOP WALL, A BOTTOM WALL AND A REAR WALL, A MOTOR SUPPORT PLATE EXTENDING BETWEEN SAID SIDE WALLS AND SAID TOP AND BOTTOM WALLS PARALLEL TO SAID REAR WALL WALL, SAID SUPPORT PLATE HAVING A PAIR OF APERTURES POSITIONED IN LATERALLY SPACED RELATION, A PAIR OF MOTORS SUPPORTED BY SAID SUPPORT PLATE POSITIONED ON ONE SIDE OF THE SUPPORT PLATE EACH WITH ITS DRIVE SHAFT EXTENDING THROUGH A RESPECTIVE ONE OF SAID APERTURES, A PAIR OF FANS POSITIONED ON THE OTHER SIDE OF SAID SUPPORT PLATE BETWEEN THE SUPPORT PLATE AND SAID REAR WALL, EACH OF SAID FANS BEING MOUNTED ON A RESPECTIVE ONE OF SAID SHAFTS AND ADAPTED TO DRAW AIR THROUGH SAID APERTURES, TUBULAR SHAPED AIR PURIFYING FILTER MEANS SURROUNDING SAID MOTORS WITH ONE END OF THE FILTER MEANS BEING POSITIONED AGAINST SAID SUPPORT PLATE AND SURROUNDING SAID APERTURES, AIR INLET MEANS IN SAID HOUSING ON THE MOTOR FILTER SIDE OF SAID SUPPORT PLATE, AIR OUTLET MEANS IN SAID HOUSING ON THE FAN SIDE OF SAID SUPPORT PLATE, A SUBSTANTIALLY IMPERFORATE PLATE COMPRESSED AGAINST THE OPPOSITE END OF SAID FILTER MEANS, SAID IMPERFORATE PLATE BEING OF SUCH SIZE TO COMPLETELY COVER THE SAID OPPOSITE FILTER END WHILE BEING SPACED FROM SAID TOP, BOTTOM AND SIDE WALLS TO DEFINE A 360* AIR INLET SO THAT SUBSTANTIALLY ALL AIR REACHING SAID FANS IS DRAWN THROUGH SAID FILTER MEANS AND SAID APERTURES.