| 摘要 |
A portable and battery-rechargeable cleaner, for use in removing dusts on the narrow space, pref. chalk dusts on the cross-piece of the chalk-board formed as a dust-trap, comprises a suction inlet (24) connected with a flexible hose (23) and a main body (1) having a handle (11) on the top and four caster wheels (10) at the bottom. The main body is partitioned into an upper chamber(3) and a lower chamber (4). An inner case (5) having a bottom hole (2a) and a suction pipe (22) connected with the hose, a rechargeable battery (6), a charger (7) and a transformer (8) are mounted within the upper chamber. A couple of electric fans (13) with motors (16), vibrators (13, 13a) with vibration arms (21), first metal filters (18) arranged inside apart and second filters (19) spaced outside apart to the 1st. filters, are installed in the inner case. A dust drawer is located in the lower chamber. The vibration arms are positioned between the 1st. filter and the 2nd. filter so as to shake the dust off.
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