Milwaukee Electric Tool Corporation

Matthew J Peña

Cameron R Schulz

Omid Shirazi

Nathan J Gustafson

Hai Jun Li

A battery charging unit including a battery interface. The battery interface includes a cover that surrounds at least a portion of the battery interface to protect exterior elements from damaging the electrical functionality of the battery interface.

Power tool battery charger

A stackable storage device, container or unit is provided. The storage device includes a storage compartment and an interface to recharge rechargeable batteries for power tools. The storage device is stackable within a modular storage system.

Modular unit with integrated battery charger

Embodiments described herein provide a modular storage for power tool devices including a charging compartment for power tool battery packs. The modular storage includes a housing, a storage compartment in the housing, and a charger compartment in the housing including a battery pack interface configured to receive a power tool battery pack. The modular storage also includes an AC input receiving universal AC power and an active power factor correction (PFC) converter receiving AC power from the AC input and configured to convert the AC power to a high-voltage DC output. The modular storage further includes a DC-DC converter electrically connected between the active PFC converter and the battery pack interface, the DC-DC converter including an active clamp flyback converter.

Modular storage unit with charger for power tool battery packs

A battery pack is configured to be coupled to a power tool. The battery pack includes a housing having a cavity. The battery pack includes a battery cell carrier having first and second carriages. The first and second carriages support a plurality of battery cells therebetween. The battery cell carrier is configurable in different configurations based on a size of the plurality of battery cells supported between the first and second carriages. The battery pack includes a plurality of mounting features between the housing and the battery cell carrier. The plurality of mounting features is configured to alternatively secure the different configurations of the battery cell carrier to the housing.

Growing community of inventors

Wauwatosa, WI, United States of America

Matthew J Peña