US 12,232,685 B2
Cleaner
Jonguk Her, Seoul (KR); Kietak Hyun, Seoul (KR); Soohan Eo, Seoul (KR); Inkyu Hwang, Seoul (KR); and Jungmin Ko, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/021,951
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Sep. 24, 2021, PCT No. PCT/KR2021/013021
§ 371(c)(1), (2) Date Feb. 17, 2023,
PCT Pub. No. WO2022/065906, PCT Pub. Date Mar. 31, 2022.
Claims priority of application No. 10-2020-0124756 (KR), filed on Sep. 25, 2020.
Prior Publication US 2023/0240497 A1, Aug. 3, 2023
Int. Cl. A47L 9/20 (2006.01); A47L 9/10 (2006.01); A47L 9/16 (2006.01)
CPC A47L 9/20 (2013.01) [A47L 9/102 (2013.01); A47L 9/1666 (2013.01); A47L 9/1683 (2013.01); A47L 9/1691 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A cleaner comprising:
a main body;
a suction motor disposed in the main body and configured to generate a suction force so as to suction air;
a dust separator configured to separate dust from air by generating a cyclone flow in air introduced by the suction motor; and
a filter module having a filter configured to filter air discharged from the suction motor and being detachable from the main body,
wherein the filter module is made to be separated and assembled such that the filter provided therein is washable or replaceable,
wherein the filter module comprises:
a lower filter housing detachably fastened to the main body and configured to accommodate the filter;
an upper filter housing fastened to the lower filter housing and having air exits through which air passing through the filter is discharged; and
a fastening portion provided in the lower filter housing and to selectively fasten and fix the upper filter housing, and
wherein the fastening portion includes:
a pressing member provided to move in a radial direction in the lower filter housing and having an accommodating groove into which a hook portion formed on an inner surface of the upper filter housing is inserted; and
an elastic member disposed between the lower filter housing and the pressing member and applying an elastic force such that the pressing member moves outward in a radial direction.