Patent attributes
A battery pack receptacle includes a cavity that is defined by a first wall, a second wall, an intermediate wall coupled between the first wall and the second wall, an insertion end, and a closed end opposite the insertion end along an insertion axis of the battery pack. The receptacle includes a rail coupled to the first wall and extending between the insertion end and the closed end. The rail defines a guide surface. A groove is defined between the intermediate wall and the guide surface of the rail. The groove has a lateral wall coupled between the intermediate wall and the guide surface of the rail. A contact surface is defined adjacent the rail, along the lateral wall, or at the insertion end is configured to engage a mating contact surface of the battery pack to tighten the connection between the battery pack and the battery pack receptacle.
