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公开(公告)号：US11219346B2
公开(公告)日：2022-01-11
申请号：US16481153
申请日：2018-01-30
Applicant: LG Electronics Inc.
Inventor： Hyemin Kang , Sangik Lee
Abstract: A robot cleaner includes a cleaner main body including a first connection duct, and a cleaning module including a second connection duct detachably coupled to the first connection duct to perform a dust suction function or a mopping function. The first and second connection ducts include a first facing surface and a second facing surface, respectively. The first and second facing surfaces face each other when the cleaning module is coupled to the cleaner main body. The first and second facing surfaces are formed in an annular shape to surround flow paths of the first and second connection ducts, respectively, and the first and second facing surfaces include a first terminal portion and a second terminal portion, respectively, which are attached to each other by a magnetic force.
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公开(公告)号：US11826006B2
公开(公告)日：2023-11-28
申请号：US16971249
申请日：2019-02-20
Applicant: LG ELECTRONICS INC.
Inventor： Hyemin Kang , Sangik Lee
CPC classification number: A47L5/225 , A47L9/0673 , A47L9/1409 , A47L9/14 , A47L2201/00 , A47L2201/04
Abstract: A cleaner including: a main body having a first connection flow path which is formed in an outside thereof; and a nozzle having a suction port through which air is introduced: wherein the nozzle comprises: a case in which the suction port and a second connection flow path are formed, the second connection flow path which is hooked to the first connection flow path, a push button able to linearly move through one surface of the case in a predetermined pressing direction; and a detachment unit mounted in the case to be rotated about a rotating shaft positioned in a direction parallel to the pressing direction, and interlocked with the push button to release hook coupling of the first connection flow path and the second connection flow path when rotating.
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