FILTER FOR VACUUM CLEANER Russian patent published in 2005 - IPC

FIELD: equipment for employment in vacuum cleaner.

SUBSTANCE: filter is detachably mounted in dust collecting chamber of main case of vacuum cleaner for filtering dust contained in air drawn into suction opening of dust collecting chamber. Filter has cylindrical casing equipped with multiplicity of open parts and external thread portion on outer periphery of upper part of casing. Open parts of casing are closed with porous filtering paper. Filter cover is equipped with through opening coinciding with suction opening of dust collecting chamber and with internal thread portion conforming to external thread portion of casing. Cover is tightly threaded onto filter casing to provide for full closing thereof. Cover and casing of filter are provided with handles. Cover and/or casing are provided with pair of protrusions for guiding of filter for mounting it in correct position in dust collecting chamber. Multiplicity of supporting protrusions on lower surface of filter casing are adapted for positioning of filter casing at predetermined distance from lower surface of dust collecting chamber. Filter prevents dust leakage due to complete and tight closing by cover.

EFFECT: increased efficiency, easy and hygienic cleaning of filter.

5 cl, 4 dwg