US 12,009,537 B2
Battery pack
Sang Hun Park, Yongin-si (KR)
Assigned to SAMSUNG SDI CO., LTD., Yongin-si (KR)
Filed by SAMSUNG SDI CO., LTD., Yongin-si (KR)
Filed on Oct. 14, 2020, as Appl. No. 17/069,951.
Claims priority of application No. 10-2019-0159720 (KR), filed on Dec. 4, 2019.
Prior Publication US 2021/0175481 A1, Jun. 10, 2021
Int. Cl. H01M 50/209 (2021.01)
CPC H01M 50/209 (2021.01) 11 Claims
OG exemplary drawing
 
1. A battery pack, comprising:
a main frame supporting a battery cell, the main frame including a hook hole and a reinforcer adjacent to the hook hole; and
a main cover coupled to the main frame, the main cover including a hook inserted into and retained in engagement with the hook hole,
wherein:
the reinforcer faces the hook hole with the hook therebetween to support the hook,
the main frame includes:
a mounting surface configured to support a surface of the battery cell, and
a sidewall portion extending along edges of the mounting surface,
the reinforcer includes:
a first rib parallel with the sidewall portion, extending from the mounting surface, and being between the battery cell and the sidewall portion, and
a connection rib integrally formed with each of opposite ends of the first rib to physically connect each of the opposite ends of the first rib to the sidewall portion,
a distance between the first rib of the reinforcer and the sidewall portion of the main frame is smaller than a width of the hook, and
the main frame includes a contact point, at which a top of a reinforcement rib is connected to a top of a sub-frame, positioned farther from the mounting surface than a mid-point of the hook hole is from the mounting surface.