US 12,451,710 B2
Portable hand warmer charging case and hand warmer assembly
Xueping Zhu, Guangdong (CN)
Assigned to Guangdong Aoyun Technology Co., Ltd., Huizhou (CN)
Filed by Guangdong Aoyun Technology Co., Ltd., Guangdong (CN)
Filed on Mar. 25, 2025, as Appl. No. 19/089,189.
Application 19/089,189 is a continuation in part of application No. 18/785,851, filed on Jul. 26, 2024, granted, now 12,279,343.
Claims priority of application No. 202322833425.8 (CN), filed on Oct. 20, 2023; and application No. 202421622634.6 (CN), filed on Jul. 9, 2024.
Prior Publication US 2025/0226678 A1, Jul. 10, 2025
Int. Cl. H02J 7/00 (2006.01); A61F 7/00 (2006.01); H02J 50/10 (2016.01)
CPC H02J 7/0044 (2013.01) [A61F 7/007 (2013.01); H02J 50/10 (2016.02); A61F 2007/0036 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A portable hand warmer charging case, comprising a case body equipped with a placement chamber, wherein the case body comprises a main body and a cover body connected to the main body to form the placement chamber; the main body is provided with the placement chamber configured to place a hand warmer unit for charging; the cover body is movably arranged on the main body to open or close the placement chamber;
the main body is provided with a first circuit board, a first charging unit, and a first battery; the first battery and the first charging unit are electrically connected to the first circuit board;
when the hand warmer unit is placed in the placement chamber, the first circuit board is configured to output electrical energy, which is output by the first battery, from the first charging unit; and the first charging unit is configured to be adapted to a second charging unit on the hand warmer unit for use and transmit the electrical energy output by the first circuit board to the second charging unit on the hand warmer unit,
wherein the cover body is rotatably connected to the main body, one side of a bottom of the cover body is provided with a connecting panel; two sides of the connecting panel protrude to form a rotating shaft portion;
the main body is provided with an adaptation chamber and limiting rotating holes located on two sides of the adaptation chamber; the connecting panel is arranged within the adaptation chamber, and the rotating shaft portion is arranged in the limiting rotating hole.