US 11,896,178 B2
Cleaning assembly and cleaning robot
Junbin Zhang, Shenzhen (CN); Weijing Lin, Shenzhen (CN); and Xingyan Li, Shenzhen (CN)
Assigned to Yunjing Intelligence Innovation (Shenzhen) Co., Ltd., Shenzhen (CN); and Yunjing Intelligence (Shenzhen) Co., Ltd., Shenzhen (CN)
Filed by Yunjing Intelligence Innovation (Shenzhen) Co., Ltd., Guangdong (CN); and Yunjing Intelligence (Shenzhen) Co., Ltd., Guangdong (CN)
Filed on Feb. 1, 2023, as Appl. No. 18/162,788.
Application 18/162,788 is a division of application No. 17/589,058, filed on Jan. 31, 2022, granted, now 11,612,296.
Claims priority of application No. 202110187167.3 (CN), filed on Feb. 10, 2021; and application No. 202122404309.5 (CN), filed on Sep. 30, 2021.
Prior Publication US 2023/0172418 A1, Jun. 8, 2023
Int. Cl. A47L 11/40 (2006.01); A47L 11/282 (2006.01)
CPC A47L 11/4069 (2013.01) [A47L 11/282 (2013.01); A47L 11/4038 (2013.01); A47L 11/4055 (2013.01); A47L 2201/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cleaning assembly, comprising:
a motor;
a transmission mechanism coupled with the motor; and
a cleaning device comprising:
a shaft having a first gear mounted thereon and coupled with the transmission mechanism, the shaft being configured to rotate in response to an output of the transmission mechanism and to move axially, and
a cleaning module mounted to an end of the shaft and configured to clean a surface area; and
a first limiting structure slidingly engaged with the shaft and configured to limit the axial movement of the shaft in a first axial direction through a first contact with the first gear.