US 12,029,364 B2
Nozzle for cleaner
Jinhyouk Shin, Seoul (KR); Jinho Kim, Seoul (KR); Hyeri Kwon, Seoul (KR); Sungjun Kim, Seoul (KR); Kyoungho Ryou, Seoul (KR); Jungwan Ryu, Seoul (KR); Ingyu Yang, Seoul (KR); and Youngsoo Kim, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Nov. 3, 2022, as Appl. No. 17/980,286.
Application 17/980,286 is a continuation of application No. 17/341,997, filed on Jun. 8, 2021, granted, now 11,517,173.
Application 17/341,997 is a continuation of application No. 16/397,206, filed on Apr. 29, 2019, granted, now 11,058,278, issued on Jul. 13, 2021.
Claims priority of application No. 10-2018-0050059 (KR), filed on Apr. 30, 2018; application No. 10-2018-0050085 (KR), filed on Apr. 30, 2018; and application No. 10-2018-0094342 (KR), filed on Aug. 13, 2018.
Prior Publication US 2023/0055119 A1, Feb. 23, 2023
Int. Cl. A47L 7/00 (2006.01); A47L 9/02 (2006.01); A47L 9/04 (2006.01); A47L 9/06 (2006.01); A47L 11/20 (2006.01); A47L 11/202 (2006.01); A47L 11/206 (2006.01); A47L 11/282 (2006.01); A47L 11/40 (2006.01); A47L 13/22 (2006.01)
CPC A47L 13/22 (2013.01) [A47L 7/0009 (2013.01); A47L 9/02 (2013.01); A47L 9/0411 (2013.01); A47L 9/0433 (2013.01); A47L 9/0472 (2013.01); A47L 11/201 (2013.01); A47L 11/2025 (2013.01); A47L 11/206 (2013.01); A47L 11/282 (2013.01); A47L 11/4038 (2013.01); A47L 11/4044 (2013.01); A47L 11/4069 (2013.01); A47L 11/4083 (2013.01); A47L 11/4088 (2013.01); A47L 11/4094 (2013.01)] 33 Claims
OG exemplary drawing
 
1. A cleaner comprising:
a cleaner main body including a suction motor configured to generate a suction force to suction air containing dust on a cleaning surface, the cleaner main body being configured to separate the dust from the air suctioned;
a nozzle placed on the cleaning surface and configured to suck the air containing dust on the cleaning surface; and
an extension tube to which the nozzle is detachably connected, one end connected to the nozzle and the other end connected to the cleaner main body to guide the air containing dust from the cleaning surface to the cleaner main body,
wherein the nozzle includes:
a nozzle housing including a suction flow path having a front-rear flow path extending in a front-rear direction through which the air containing dust flows;
a rotation cleaning unit having rotation plates disposed to be spaced apart from each other in a left-right direction under the nozzle housing, wherein a mop is attachable to each of the rotation plates;
a driving device provided in the nozzle housing and including a driving motor for rotating the rotation plate; and
a water tank which is detachably mounted above the nozzle housing and stores water to be supplied to the mop, and
wherein the water tank includes:
a first chamber having a bottom formed to have a height difference along the front-rear direction;
a second chamber spaced apart from the first chamber in the left-right direction of the nozzle housing, the second chamber having a bottom formed to have a height difference along the front-rear direction of the nozzle housing; and
a connection chamber communicating the first chamber and the second chamber.