Patent ID: 7785381
Filing Date: 2010-08-31
Classification: A47L,Y10S

Abstract:
1. A dust collecting apparatus for a vacuum cleaner, comprising: a dust collecting unit detachably mounted in a main body of the vacuum cleaner, the dust collecting unit being configured to separate and collect dust from drawn-in air flowing therein; a filter unit disposed above the dust collecting unit, the filter unit comprising a filter to filter fine dust particles contained in air from which the dust has been separated by the dust collecting unit; a top cover to cover the filter unit and to discharge the air filtered through the filter; a rotating unit disposed inside the filter unit, the rotating unit being configured to strike a portion of the filter and to remove the fine dust particles attached to the filter; and a dust compression plate to compress the collected dust while being moved up and down in a longitudinal direction of the dust collecting unit inside the dust collecting unit by power transferred from the rotating unit, wherein the rotating unit comprises: a motor which is disposed on the top cover in such a manner as to be separated from the filter unit; a first rotating member which is rotatably disposed below the filter; a second rotating member rotatably disposed above the filter that receives power from the motor, the second rotating member being configured to rotate in the same direction as the first rotating member by transferring power to the first rotating member; one or more striking members attached to the second rotating member, the one or more striking members being configured to strike the filter following the rotation of the second rotating member while being in contact with the filter; and one or more wipers which are coupled to the first rotating member to discharge to the dust collecting unit the dust, which is detached from the filter by the one or more striking members and deposited onto a floor of the dust collecting unit.