US 12,096,906 B2
Vacuum cleaner
Jiwon Choi, Suwon-si (KR); Dongjun Kim, Suwon-si (KR); and Byoungin Lee, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Appl. No. 17/418,738
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
PCT Filed Dec. 13, 2019, PCT No. PCT/KR2019/017734
§ 371(c)(1), (2) Date Jun. 25, 2021,
PCT Pub. No. WO2020/138792, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 10-2018-0170866 (KR), filed on Dec. 27, 2018.
Prior Publication US 2022/0061611 A1, Mar. 3, 2022
Int. Cl. A47L 9/04 (2006.01); A47L 7/00 (2006.01); A47L 9/06 (2006.01); A47L 11/30 (2006.01); A47L 11/40 (2006.01)
CPC A47L 9/0488 (2013.01) [A47L 9/0477 (2013.01); A47L 9/0613 (2013.01); A47L 11/302 (2013.01); A47L 11/4044 (2013.01); A47L 7/0009 (2013.01); A47L 7/0066 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A vacuum cleaner, comprising:
a cleaner body configured to generate suction power; and
a foreign object suctionor configured to suck foreign objects by the suction power,
wherein the foreign object suctionor includes:
a cylindrical drum brush; and
a drum support configured to house a part of the drum brush and rotatably support the drum brush, and
the drum support includes:
a drum housing part configured to have a shape corresponding to an outer circumferential surface of the housed drum brush;
a scraper configured to be provided in the drum housing part to remove foreign objects attached to the drum brush; and
a foreign object stopper configured to be provided in one area of the drum housing part at a predetermined inflow blocking distance along a rotation direction of the drum brush from the scraper,
wherein the scraper comprises:
a contact surface configured to extend in a direction parallel to the outer circumferential surface of the drum brush, and
an inclined surface facing a center of the drum brush and inclined within a predetermined angular range with respect to a surface perpendicular to the tangent line of the outer circumferential surface of the drum brush.