US 11,901,797 B2
Cleaner with clutch for motor engagement
Seungjin Lee, Seoul (KR); Sangjo Kim, Seoul (KR); and Sangik Lee, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 16/971,461
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Feb. 20, 2019, PCT No. PCT/KR2019/002069
§ 371(c)(1), (2) Date Aug. 20, 2020,
PCT Pub. No. WO2019/164262, PCT Pub. Date Aug. 29, 2019.
Claims priority of application No. 10-2018-0019887 (KR), filed on Feb. 20, 2018.
Prior Publication US 2020/0395815 A1, Dec. 17, 2020
Int. Cl. H02K 7/10 (2006.01); A47L 9/28 (2006.01); A47L 9/22 (2006.01); H02K 7/108 (2006.01)
CPC H02K 7/1008 (2013.01) [A47L 9/22 (2013.01); A47L 9/2852 (2013.01); H02K 7/108 (2013.01); A47L 2201/04 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A cleaner comprising:
a cleaner body;
a wheel which movably supports the cleaner body with respect to a floor;
a traveling drive motor which is disposed in the cleaner body;
a first pulley which is rotated by a driving force of the traveling drive motor;
a second pulley which is rotated when the first pulley rotates and rotates the wheel;
a belt which connects the first pulley and the second pulley; and
a clutch which adjusts tension of the belt to connect or disconnect power between the first pulley and the second pulley,
wherein the clutch connects the power between the first pulley and the second pulley in a preset autonomous traveling mode to perform autonomous traveling, and disconnects the power between the first pulley and the second pulley in a preset manual mode to perform manual movement.