US 12,451,548 B2
Battery pack and electric vehicle
Yoshiyuki Bannai, Kyoto (JP)
Assigned to Murata Manufacturing Co., Ltd., Kyoto (JP)
Filed by MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed on Sep. 30, 2022, as Appl. No. 17/957,087.
Application 17/957,087 is a continuation of application No. PCT/JP2021/012818, filed on Mar. 26, 2021.
Claims priority of application No. 2020-060780 (JP), filed on Mar. 30, 2020.
Prior Publication US 2023/0029767 A1, Feb. 2, 2023
Int. Cl. H01M 50/213 (2021.01); H01M 50/262 (2021.01); H01M 50/271 (2021.01); H01M 50/317 (2021.01); H01M 50/333 (2021.01)
CPC H01M 50/213 (2021.01) [H01M 50/262 (2021.01); H01M 50/271 (2021.01); H01M 50/317 (2021.01); H01M 50/333 (2021.01); H01M 2200/20 (2013.01); H01M 2220/20 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A battery pack comprising:
a battery cell;
one or more shoulder screws having a head portion, a screw portion, and an intermediate portion between the head portion and the screw portion, the intermediate portion being larger than an outer diameter of the screw portion and smaller than an outer diameter of the head portion; and
an exterior case including an upper case and a lower case fastened to each other with the one or more shoulder screws,
wherein a first elastic member is disposed in a compressed state at a contact portion between the upper case and the lower case, and a second elastic member is disposed in a compressed state between the head portion and the upper case, and
wherein the second elastic member is a hollow columnar elastic resin.