US 12,015,130 B2
Charger and charger system
Wyatt R. Silha, Milwaukee, WI (US); John G. Marx, Hartford, WI (US); Cameron R. Schulz, Milwaukee, WI (US); Samuel Sheeks, Germantown, WI (US); Joel D. Snyder, Menomonee Falls, WI (US); and Jacob D. Rosenthal, Brookfield, WI (US)
Assigned to Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed on Apr. 27, 2023, as Appl. No. 18/308,350.
Application 18/308,350 is a continuation of application No. 17/110,456, filed on Dec. 3, 2020, granted, now 11,670,808.
Claims priority of provisional application 62/942,889, filed on Dec. 3, 2019.
Prior Publication US 2023/0261271 A1, Aug. 17, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 10/46 (2006.01); H01M 10/44 (2006.01); H01M 10/6563 (2014.01); H01M 50/20 (2021.01); H02J 7/00 (2006.01)
CPC H01M 10/441 (2013.01) [H01M 10/6563 (2015.04); H01M 50/20 (2021.01); H02J 7/0013 (2013.01); H02J 7/0044 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A charger comprising:
a housing including a front wall, a rear wall, a top wall, a bottom wall, a first side wall, and a second side wall;
an interface positioned in the front wall and configured to engage a battery pack, the interface including charging terminals positioned between a first rail and a second rail, a first groove positioned between the first rail and a wall of the housing, and a second groove positioned between the second rail and the wall of the housing, the interface being in communication with an interior of the housing;
a fan coupled within the housing; and
an air passage member including a hollow body that has a first end and a second end spaced apart from the first end, the first end being coupled to the fan and the second end being in communication with outside of the housing through one of the walls; and
wherein the fan is operable to suck an air flow into the housing from outside the housing and guide the air flow through the air passage member to the battery pack interface.