US 11,910,991 B2
Charging apparatus for mobile robot
Jaewon Jang, Seoul (KR); Jihyun Lim, Seoul (KR); Youngbin Kim, Seoul (KR); and Jinho Chung, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Jul. 30, 2020, as Appl. No. 16/943,050.
Claims priority of application No. 10-2019-0093484 (KR), filed on Jul. 31, 2019; and application No. 10-2019-0176627 (KR), filed on Dec. 27, 2019.
Prior Publication US 2021/0030228 A1, Feb. 4, 2021
Int. Cl. H01M 10/46 (2006.01); A47L 9/28 (2006.01); A47L 9/00 (2006.01); A47L 11/282 (2006.01); A47L 11/40 (2006.01); H02J 7/00 (2006.01)
CPC A47L 9/2873 (2013.01) [A47L 9/009 (2013.01); A47L 9/0063 (2013.01); A47L 11/282 (2013.01); A47L 11/4005 (2013.01); A47L 11/4038 (2013.01); A47L 11/4072 (2013.01); A47L 11/4091 (2013.01); H02J 7/0045 (2013.01); A47L 2201/022 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A charging apparatus for a mobile robot, the charging apparatus comprising:
a main body having a power module;
a plate connected to a lower end of the main body;
a charging terminal disposed on an upper surface of the plate and configured to be upwardly exposed, the charging terminal being electrically connected to the power module; and
a caster guide configured to guide a movement of the mobile robot such that when the mobile robot moves forward, the caster guide is configured to raise a height of one end of the mobile robot to a height above a reference height and subsequently lower the height,
wherein the caster guide is disposed at a rear of the charging terminal, and a width of a front end of the caster guide is narrower than a width of a rear end of the caster guide,
wherein the caster guide comprises a guide surface for guiding a caster, and
wherein the guide surface comprises:
a first guide surface disposed at a rear of the guide surface and inclined forwardly and upwardly relative to the guide surface;
a second guide surface disposed at a front end of the first guide surface and inclined forwardly and downwardly relative to the guide surface; and
a third guide surface disposed at a front end of the second guide surface and inclined forwardly and upwardly relative to the guide surface.