| 摘要 |
A DUST COLLECTING MECHANISM INCLUDES A PARTITION (11) FOR SEPARATING A HOUSING (10) INTO AN UPPER AND A LOWER CHAMBER. AN AIR PASSAGE (111) IS FORMED IN THE PARTITION (11). A TABLE (20) IS DISPOSED IN FRONT OF THE HOUSING (10) AND HAS A NUMBER OF OPENINGS (21) COMMUNICATING WITH THE LOWER CHAMBER (13) OF THE HOUSING (10). A FILTERING BARREL (60) IS SECURED TO THE PARTITION (11) AND HAS A NUMBER OF FINS (62) AND HAS AN ANNULAR FLANGE (63) FOR ENGAGING WITH A CLAMPING DEVICE SO AS TO BE SECURED TO THE PARTITION (11). A VALVE (41) IS DISPOSED ABOVE THE AIR PASSAGE (111) FOR SUPPLYING AIR INTO THE BARREL (60) AND FOR REMOVING DUST FROM THE FILTERING BARREL (60) AND THE FINS (62).
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