US 11,990,737 B2
Electrical connection box
Yuki Fujimura, Mie (JP); and Hitoshi Takeda, Mie (JP)
Assigned to AUTONETWORKS TECHNOLOGIES, LTD., Mie (JP); SUMITOMO WIRING SYSTEMS, LTD., Mie (JP); and SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Appl. No. 17/608,005
Filed by AUTONETWORKS TECHNOLOGIES, LTD., Mie (JP); SUMITOMO WIRING SYSTEMS, LTD., Mie (JP); and SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
PCT Filed Apr. 28, 2020, PCT No. PCT/JP2020/018089
§ 371(c)(1), (2) Date Nov. 1, 2021,
PCT Pub. No. WO2020/230622, PCT Pub. Date Nov. 19, 2020.
Claims priority of application No. 2019-091923 (JP), filed on May 15, 2019.
Prior Publication US 2022/0255304 A1, Aug. 11, 2022
Int. Cl. H02G 3/16 (2006.01); B60R 16/02 (2006.01); H02G 3/08 (2006.01); H02G 15/113 (2006.01); H05K 5/06 (2006.01); H05K 7/06 (2006.01)
CPC H02G 3/16 (2013.01) [H05K 5/06 (2013.01); H05K 7/06 (2013.01); B60R 16/02 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An electrical connection box, comprising:
a case;
a power supply circuit; and
a branch circuit, wherein
the branch circuit is a circuit that includes a detachable overcurrent protection element and branches from the power supply circuit;
the case includes a case body, a cover detachably attached to the case body, and a cover sealing member having elasticity;
the case body includes a first working hole and houses the power supply circuit and the branch circuit;
the first working hole extends through a ceiling plate of the case body at a position that allows the overcurrent protection element to face outward and is formed with external shape dimensions smaller than external shape dimensions of the ceiling plate;
the cover is installed on the case body in a manner such that the first working hole is closed;
the cover sealing member is brought into close contact with a peripheral edge portion of the first working hole of the case body and the cover; and
the cover sealing member is sandwiched between the ceiling plate and a peripheral edge portion of the cover.