VACUUM CLEANER (VERSIONS) Russian patent published in 2007 - IPC A47L9/00 

FIELD: cleaning of rooms and other spaces by sucking air and cleaning it in dust catching unit having filtering member.

SUBSTANCE: vacuum cleaner has base for protecting lower part of vacuum cleaner, electric engine disposed above base for creating of suction force, inflow channel for directing outside air into dust catching unit positioned above base and in its front part. Cover is provided for protecting of rear part of casing. Connection carrier construction extends around front part of main casing of vacuum cleaner so as to protect main casing and position dust catching unit within it. Space around dust catching unit is open in order to provide visual controlling of space within dust catching unit. Reinforcing carrier construction covers top part of connection carrier construction. According to another version, vacuum cleaner has base for protecting lower part of vacuum cleaner, motor receiving recess positioned on upper rear part of base, dust catching unit positioned above base and in front part of base, inflow channel for directing outside air into dust catching unit, and cover for protecting rear part of vacuum cleaner casing. Carrier construction extending around front part of main casing of vacuum cleaner has recess formed in its lower part and designed for providing visual controlling of interior part of dust catching unit. Said recess is adapted for receiving of electric signal transmission wires.

EFFECT: substantial transparency and high constructional strength of vacuum cleaner, prolonged service life and provision for optimum arrangement of electric wires.

10 cl, 9 dwg