公开(公告)号：US20220079405A1

公开(公告)日：2022-03-17

申请号：US17421545

申请日：2019-11-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Donghoun YANG ,  Kyoungwoung KIM ,  Shin KIM ,  Seongu LEE ,  Byeongheon JUNG

IPC: A47L9/28 ,  A47L5/26 ,  A47L9/04 ,  A47L9/24 ,  A47L9/14 ,  A47L9/32 ,  A46B13/00 ,  A46B13/02 ,  A46D1/00

Abstract: A vacuum cleaner comprising: a cleaner main body configured to generate suction power; and a suction unit configured to suck dust using the suction power. The suction unit comprising: a drum brush comprising a cylindrical drum rotatable to brush away dust from a floor, and conductive bristles provided on an outer circumferential surface of the drum; and a conductive dust guide unit comprising a guide portion connectable to the cleaner main body and configured to guide the sucked dust to be transferred to the cleaner main body, and a contact portion formed to extend from the guide portion, provided to be in contact with the bristles of the drum brush, and configured to transfer static electricity, which is charged as the vacuum cleaner is operated, from the cleaner main body to the conductive bristles of the drum brush.