公开(公告)号：US20190125148A1

公开(公告)日：2019-05-02

申请号：US16232008

申请日：2018-12-25

申请人： JIANGSU MIDEA CLEANING APPLIANCES CO., LTD.

发明人： Xianmin WEI ,  Xiaogang XUAN ,  Bo HE

IPC分类号： A47L9/00 ,  A47L9/28

摘要： A vacuum cleaner includes a chassis, a driving wheel support provided with at least two first cooperation parts, a driving wheel having an adjustable height relative to the chassis, and being rotatable relative to a hood. The vacuum cleaner further includes the hood being provided with at least two second cooperation parts, and an elastic member. The first cooperation parts or the second cooperation parts are in the form of long track portions, the remainders are in the form of sliding portions capable of moving along the track portions, and lengths of the at least two track portions extend along directions not parallel to each other.

公开(公告)号：US20210212542A1

公开(公告)日：2021-07-15

申请号：US16758382

申请日：2019-03-19

申请人： JIANGSU MIDEA CLEANING APPLIANCES CO., LTD. ,  MIDEA GROUP CO., LTD.

发明人： Bo HE ,  Xiaowei XU

IPC分类号： A47L11/40 ,  A47L11/24 ,  A47L9/04

摘要： The present disclosure provides a roller brush device and a cleaning apparatus. The roller brush device includes a roller brush and a mounting assembly. The roller brush is connected with the mounting assembly. The roller brush is rotatable relative to the mounting assembly, and the mounting assembly is able to drive the roller brush to move. One side of the mounting assembly defines an avoidance notch, and the roller brush is exposed at the avoidance notch.