Vacuum cleaner
    17.
    发明授权

    公开(公告)号:US11076732B2

    公开(公告)日:2021-08-03

    申请号:US16097118

    申请日:2017-04-17

    Abstract: Disclosed is a vacuum cleaner that opens or closes a hole formed in a suction portion according to a state of a surface to be cleaned, thereby efficiently cleaning. A vacuum cleaner includes a suction portion configured to suck foreign materials on a surface to be cleaned. The suction portion includes a case having an air hole formed in a flow path, a frame configured to be accommodated in the case and open or close the air hole, and a button configured to be mounted on the case and be operated to move the frame.

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