Abstract: A battery retention system for a power tool having a motor, a drive mechanism coupled to the motor, an output element coupled to the drive mechanism, and latch-receiving recesses for receiving battery pack latches. The battery retention system includes a battery pack for powering the motor. The battery pack is removably coupled to the power tool and includes latches and elongated rails. The system includes a cavity in the power tool for receiving the battery pack in a direction of insertion. Spring arms extend generally in the direction of insertion and each have a projection extending into the cavity for coupling the battery pack to the power tool. The spring arms are configured to deform in engagement with the respective rails of the battery pack when the battery pack is inserted into the cavity. The rails are elongated generally in the direction of insertion.

Abstract: A gas spring-powered fastener driver including a cylinder, a moveable piston positioned within the cylinder, a driver blade attached to the piston and movable therewith between a ready position and a driven position, a lifter operable to move the driver blade from the driven position to the ready position, a transmission for providing torque to the lifter, a first clutch mechanism permitting a transfer of torque to an output shaft of the transmission in a single rotational direction, and a second clutch mechanism limiting an amount of torque transferred to the transmission output shaft and the lifter.

Abstract: A hand-held knockout driver includes a main housing having a handle portion, a motor positioned within the main housing, a hydraulic assembly driven by the motor and including a reservoir containing hydraulic fluid, a secondary housing coupled to the main housing and defining a bore therein, a working piston moveable within the bore between a rest position and an actuated position, and a work zone defined between the secondary housing and the working piston into which pressurized hydraulic fluid discharged from the hydraulic assembly is received. One unit of fluid is added to the work zone to move the working piston from the rest position to the actuated position. The reservoir has a fill capacity no greater than about 1.5 units of fluid.

Abstract: A rotary hammer includes a motor, a spindle coupled to the motor for receiving torque from the motor, a piston at least partially received within the spindle for reciprocation therein, a striker received within the spindle for reciprocation in response to reciprocation of the piston, and an anvil received within the spindle and positioned between the striker and a tool bit. The anvil imparts axial impacts to the tool bit in response to reciprocation of the striker. The rotary hammer also includes a synchronizing assembly operable in a first configuration in which the motor is drivably coupled to the piston for reciprocating the piston, and a second configuration in which the piston is decoupled from the motor. The rotary hammer further includes an actuator operable for switching the synchronizing assembly from the second configuration to the first configuration in response to depressing the tool bit against a workpiece.

Abstract: Methods and systems are provided for a power tool in control of a vacuum. In response to activation input, the power tool controls a motor for driving power tool operation and wirelessly transmits a control signal to a vacuum. In response to receiving the control signal, the vacuum controls a motor for driving operation of the vacuum. The power tool, the vacuum, or both include a wireless communication pairing butting for paring the power tool and the vacuum. The power tool and/or the vacuum may be cordless and powered by a battery pack.

Abstract: A gas spring-powered fastener driver including a cylinder, a moveable piston positioned within the cylinder, a driver blade attached to the piston and movable therewith between a ready position and a driven position, a lifter operable to move the driver blade from the driven position to the ready position, a transmission for providing torque to the lifter, a first clutch mechanism permitting a transfer of torque to an output shaft of the transmission in a single rotational direction, and a second clutch mechanism limiting an amount of torque transferred to the transmission output shaft and the lifter.

Abstract: System and method for a portable propane-fueled battery charger. One system includes a battery charger including a propane fuel line and an engine including an output shaft. The engine is configured to receive propane via the propane fuel line and rotationally drive the output shaft. The battery charger further includes an alternator including a rotor and stator coils. The output shaft is mechanically coupled to the rotor, and the rotor is rotationally driven by the output shaft. An electrical current is induced in the stator coils by rotation of the rotor. The battery charger further includes an electrical circuit that receives the electrical current and is configured to determine when a battery pack is coupled to a battery connector, and charge the battery pack.

Abstract: A job box comprises a base defining a storage area, a lid coupled to the base and moveable between an open position, in which the storage area is accessible, and a closed position, in which the storage area in not accessible, and a light supported by the base or the lid and configured to illuminate the storage area.

Abstract: System and method for a portable propane-fueled battery charger. One system includes a battery charger including a propane fuel line and an engine including an output shaft. The engine is configured to receive propane via the propane fuel line and rotationally drive the output shaft. The battery charger further includes an alternator including a rotor and stator coils. The output shaft is mechanically coupled to the rotor, and the rotor is rotationally driven by the output shaft. An electrical current is induced in the stator coils by rotation of the rotor. The battery charger further includes an electrical circuit that receives the electrical current and is configured to determine when a battery pack is coupled to a battery connector, and charge the battery pack.

Abstract: A rotary power tool includes a housing, a spindle defining a working axis, and a motor supported by the housing. The motor is operable to drive the spindle. The rotary power tool also includes a handle movably coupled to the housing and a vibration isolating assembly disposed between the housing and the handle. The vibration isolating assembly attenuates vibration transmitted from the housing to the handle. A battery pack is removably coupled directly to the handle and configured to provide power to the motor.

Abstract: A bladder configured to support a phase change material in a heat transfer relationship with at least one battery cell including a wall defining a channel, the phase change material surrounding a portion of the channel.

Abstract: A rotary hammer includes a motor, a spindle coupled to the motor for receiving torque from the motor, a piston at least partially received within the spindle for reciprocation therein, and an anvil received within the spindle for reciprocation in response to reciprocation of the piston. The anvil imparts axial impacts to a tool bit in response to reciprocation of the piston. The rotary hammer also includes a bit retention assembly for securing the tool bit to the spindle.

Abstract: A chainsaw includes a housing having a handle housing portion, a motor housing portion, and a drive housing portion. The handle housing portion has a longitudinal axis that defines a first axis of the chainsaw. The chainsaw also includes a motor having an output shaft with a longitudinal axis that defines a second axis of the chainsaw, a driven gear coupled to the output shaft, a sprocket coupled to the driven gear, and a guide bar extending from the drive housing portion and having a longitudinal axis that defines a third axis of the chainsaw. A chain is supported on the guide bar and engaged with the sprocket. The first axis, the second axis, and the third axis are generally coplanar, and the first axis and the second axis define a first included angle between about 75 degrees and about 95 degrees.

Abstract: A battery pack may include a housing; at least one battery cell supported in the housing; a phase change material; and a bladder containing the phase change material, the bladder defining a channel having an opening, the bladder being in a heat transfer relationship with the at least one battery cell. The phase change material in the bladder may also surround a portion of the channel. The phase change material may include a paraffin wax.

Abstract: A rotary hammer includes a motor, a spindle coupled to the motor for receiving torque from the motor, a piston at least partially received within the spindle for reciprocation therein, and an anvil received within the spindle for reciprocation in response to reciprocation of the piston. The anvil imparts axial impacts to a tool bit in response to reciprocation of the piston. The rotary hammer also includes a bit retention assembly for securing the tool bit to the spindle. The bit retention assembly includes a collar with an indicator thereon. The indicator is at least partially visible to a user of the rotary hammer when the tool bit is improperly inserted within the spindle.

Abstract: Systems and methods for configuring, with an external device, a power distribution box having priority disconnects. The power distribution box includes a housing portion and a base portion elevating the housing portion. The power distribution box receives power from an external power source and distributes the power to a plurality of alternating current (AC) output receptacles. The power distribution box further includes an antenna and a power disconnect controller coupled to the antenna to communicate with and be configured by an external device, such as a smart phone, tablet, or laptop computer. Using the external device, a user can configure the priority level and mode of the AC output receptacles. In the case of high current, the power distribution box will disconnect receptacles in accordance with the priority level and mode configuration provided by the external device.

Abstract: A battery retention system for a power tool having a motor, a drive mechanism coupled to the motor, an output element coupled to the drive mechanism, and latch-receiving recesses for receiving battery pack latches. The battery retention system includes a battery pack for powering the motor. The battery pack is removably coupled to the power tool and includes latches and elongated rails. The system includes a cavity in the power tool for receiving the battery pack in a direction of insertion. Spring arms extend generally in the direction of insertion and each have a projection extending into the cavity for coupling the battery pack to the power tool. The spring arms are configured to deform in engagement with the respective rails of the battery pack when the battery pack is inserted into the cavity. The rails are elongated generally in the direction of insertion.

Abstract: A rotary hammer includes a housing, a battery pack removably coupled to the housing, a brushless direct-current motor supported by the housing, and a spindle coupled to the motor for receiving torque from the motor. A piston is at least partially received within the spindle for reciprocation therein. An anvil is received within the spindle for reciprocation in response to reciprocation of the piston. The anvil imparts axial impacts to a tool bit in response to reciprocation of the piston. The rotary hammer also includes a bit retention assembly for securing the tool bit to the spindle. The rotary hammer is operable to produce an average long-duration power output of at least 500 Watts and to deliver at least 5 Joules of blow energy to the tool bit for each of the axial impacts.

Abstract: System and method for a portable propane-fueled battery charger. One system includes a battery charger including a propane fuel line and an engine including an output shaft. The engine is configured to receive propane via the propane fuel line and rotationally drive the output shaft. The battery charger further includes an alternator including a rotor and stator coils. The output shaft is mechanically coupled to the rotor, and the rotor is rotationally driven by the output shaft. An electrical current is induced in the stator coils by rotation of the rotor. The battery charger further includes an electrical circuit that receives the electrical current and is configured to determine when a battery pack is coupled to a battery connector, and charge the battery pack.

Abstract: A battery retention system for a power tool having a motor, a drive mechanism coupled to the motor, and an output element coupled to the drive mechanism. The battery retention system includes a battery pack for powering the motor, the battery pack being removably coupled to the power tool. The battery retention mechanism also includes a first mating feature for coupling the battery pack to the power tool and a second mating feature for coupling the battery pack to the power tool independently from the first mating feature. The second mating feature is configured to couple the battery pack to the power tool when the first mating feature is disengaged.