FILTER UNIT FOR VACUUM CLEANER Russian patent published in 2005 - IPC

FIELD: washable multiple-use filtering units of vacuum cleaners.

SUBSTANCE: filter unit includes container for accumulating predetermined volume of dust having upper opening; filter arranged in cut-out of wall of container; lid closing upper opening of container and having through opening for suction of outer air; inclined guide arranged on upper and outer annular surface of container for dust. Locking lever is mounted outside lid rim with possibility of sliding motion. Said lever has dent extended towards inner side of lid and sliding on inclined guide for providing reliable contact of lid with container. Dividing safety jaw is provided on wall of inclined guide for preventing sliding motion of dent of locking lever. Screening rib is arranged near inner surface of lid for reducing speed of flow of sucked air passing through filter.

EFFECT: improved design of filter unit providing easy mounting of lid on said unit and effective removal of dust and foreign matters.

9 cl, 6 dwg