Abstract: A portable backpack vacuum having a pair of housing members and a fold-in harness member that is pivotably movable relative to an upper housing member between a deployed position when the portable backpack vacuum is in use to a stowed position when the portable backpack vacuum is not in use and a lower housing is removed from the upper housing. In this way, the portable backpack vacuum may stand level on the support surface.

Abstract: A portable flashlight apparatus is provided that is lightweight and compact to provide enhanced illumination in an ambient environment when placed in one of a plurality of operating modes. The portable flashlight apparatus includes a base housing defining an interior space and which includes structurally defined regions that include a front housing region, a rear housing region, an intermediate housing region extending between the front housing region and the rear housing region and an end cap that closes the interior space at the rear housing region. A light module includes a first light source operable to emit illuminating light, a second light source operable to emit laser light, and a third light source operable to emit illuminating light. A magnet are arranged at the rear face of the end cap, and is operable to magnetically bias the base housing on a working surface or support surface having magnetic properties.

Abstract: A system is provided with a set of removable battery packs and a set of power tools each including a motor, a controller, and a battery receiving portion. For each power tool, the controller is configured to identify a type of battery pack coupled to the battery receiving portion and set a conduction band associated with phases of the motor or an advance angle by which phases of the motor are shifted based on the identified type of the battery pack.

Abstract: A power tool comprising a housing and a brushless direct-current (BLDC) motor disposed within the housing. The motor includes a stator and a rotor rotatable relative to the stator. The power tool is configured to generate a power output from the motor that is greater than 1200 continuous hot Watts out such that a quotient obtained by the power output measured in Watts (Wout), divided by an input measured in Volt-Amperes (Vain), and further divided by a volume of the power tool measured in cubic centimeters (cc), is greater than 600 Wout/Vain/cc.

Abstract: A reciprocating power tool may include a driving system including a motor and a transmission received in a housing to drive a reciprocating mechanism. A counterbalance mechanism may be coupled between the driving system and the reciprocating mechanism. The counterbalance mechanism may include a rotating counterbalance mechanism including a first rotating counterweight member and a second rotating counterweight member coupled to an output gear of the driving system. The counterbalance mechanism may include a rocking counterweight member coupled between the output gear and the housing. The output gear may include a recessed portion in which the first rotating counterweight member and a clutching system are received.

Abstract: A tool bit holding system for a power tool includes a bottom support bracket configured to be removably coupled to a base of a handle of the power tool. An elongated arm includes a bottom end portion configured to be coupled to the support bracket and a front bit holder portion configured to removably receive and retain a plurality of tool bits. A top support bracket is configured to be coupled to a top end portion of the arm and to be supported adjacent the front end portion of the housing so that the elongated arm is disposed in front of the handle.

Abstract: An electric motor is provided including an inner rotor, an outer stator, a first end cap formed on a first side of the stator, a second end cap formed on a second side of the stator and secured to the first end cap to form a compartment around the stator and the rotor, and motor wires electrically coupled to stator windings and extending out of the compartment through a wire lid. A terminal box is mounted to the wire lid to receive the motor wires, and it includes a box base fastened to the second end cap and forming a first sealed coupling to the wire lid, and a cover that makes a second sealing coupling with the box base. The terminal box receives a plurality of power wires external to the electric motor and electrically couples them to the motor wires within the box base.

Abstract: A tool is provided for applying fasteners to a workpiece. The tool has a housing with a nosepiece, a motor, a drive actuator, a magazine assembly that holds fasteners, and a feed assembly with a feed actuator configured to move a lead fastener into the nosepiece. A driver in the housing is driven by a drive system that is associated with the driver actuator. A controller is connected to the feed actuator and the drive actuator to implement a firing sequence for driving each lead fastener into the workpiece using the driver and feeding the lead fastener into the nosepiece assembly. The actuators may be in the form of solenoids. The controller is designed to energize and deenergize the motor selectively while the drive actuator and feed actuator are activated.

Abstract: An actuator assembly for a power tool includes an actuator with a permanent magnet. The actuator is moveable between a first position for a first mode of operation, and a second position for a second mode of operation. A first positioning member is adjacent the first position composed of a ferromagnetic material to attract the permanent magnet. A second positioning member is adjacent the second position and composed of a ferromagnetic material to attract the permanent magnet. An electromagnet may be energized to move the actuator between the first position and the second position. When the electromagnet is not energized and the actuator is in the first position, the actuator is retained in the first position. When the electromagnet is not energized and the actuator is in the second position, the actuator is retained in the second position. When the electromagnet is energized, the actuator moves between the first and second positions.

Abstract: A power tool includes a housing, a motor in the housing, an accessory holder configured to hold a power tool accessory and driven by the motor, a torque tube in the housing, a strain gauge on the torque tube, and a controller. The controller is configured to control operation of the motor based at least in part on a measurement from the strain gauge. The torque tube has a first end and a second end opposite the first end. The second end of the torque tube is rotationally fixed to the housing.

Abstract: A power tool including a primary housing and a motor assembly connectable to a cutting tool. The motor assembly is configured to drive the cutting tool. A secondary housing is mounted within the primary housing. At least one first dampening system is coupled between the primary housing and the motor assembly. At least one second dampening system is coupled between the primary housing and the secondary housing. The at least one first dampening system and the at least one second dampening system are configured to reduce vibrations in the secondary housing generated by the motor assembly.

Abstract: An electronic switch module for a power tool is provided including a module body, a trigger moveable relative to the module body, a magnet being moveable relative to the module body with the trigger along a movement axis, and a linear Hall sensor fixed relative to the module body and intersecting the movement axis of the magnet. The linear Hall sensor magnetically detects a linear position of the magnet along the movement axis and outputs a voltage signal based on the detected linear position.

Abstract: A brushless direct-current (BLDC) motor for a power tool outputs a maximum power output in the range of approximately 450 to 950 watts and a continuous power output in the range of approximately 400 to 730 watts over a discharge cycle of the battery pack when the battery pack has a maximum voltage of approximately 20 volts and a capacity of approximately 5 amp·hours. The motor includes a rotor with an outer diameter that is less than or equal to approximately 16 mm. A ratio of the maximum power output of the motor to a length of the motor is in the range of approximately 8.5 to 17.5 W/mm.

Abstract: A reciprocating power tool may include a driving system including a motor and a transmission received in a housing to drive a reciprocating mechanism. A selection mechanism may provide for selection of an operation mode of the reciprocating tool, including a linear mode of operation and at least one orbital mode of operation. Motion of a reciprocating shaft of the reciprocating mechanism may be guided by a guide bracket that is fixed in the housing and an orbit bushing that is movably coupled in the housing. In the linear mode of operation of the tool, the bushing is in a first position relative to the guide bracket. In an orbital mode of operation of the tool, the bushing is moved to a second position relative to the guide bracket.

Abstract: A power tool accessory includes a housing having a rear end portion and front end portion; an input shaft at least partially received in the rear end portion, extending along an axis, and configured to be coupled to a tool holder of a rotary power tool; a threaded shaft received in the housing and rotationally driven by the input shaft; a blade holder configured to move along the axis upon rotation of the threaded shaft; and a cutting blade configured to be retained by the blade holder. A workpiece holder is coupled to the front end portion of the housing and is configured to hold an elongated member. Upon rotation of the input shaft, the threaded shaft rotates, causing the blade holder to move axially toward the front end portion of the housing, causing the blade to move at least partially into the workpiece holder to cut the elongated workpiece.

Abstract: The present disclosure is directed to charging a battery pack by determining a battery pack identification (ID) value from a battery pack identification (ID) component of the battery pack, applying a sinusoidal AC excitation signal to a set of battery cells of the battery pack, calculating an impedance value of the battery pack based on the sinusoidal AC excitation signal, comparing the impedance value of the battery pack to a set of reference impedance values associated with the battery pack ID value, and selecting a charging scheme based on a comparison of the impedance value of the battery pack to the set of reference impedance values associated with the battery pack ID value. The battery pack is charged using the charging scheme.

Abstract: A power tool includes a housing containing a motor, an output member configured to be driven by the motor to perform an operation on a workpiece, and a handle having a first end portion coupled to the housing and a second end portion. A base is coupled to the second end portion of the handle. A light emitting assembly is pivotably coupled to the base. The light emitting assembly is configured to be operable in a first mode to illuminate a workpiece and a second mode to indicate a condition of the power tool responsive to the power tool signaling the condition to the light emitting assembly.

Abstract: A miter saw has a base having a detent notch, a table rotatably connectable to the base, a pivoting assembly connected to the table, and a saw assembly supported by the pivoting assembly. The saw assembly has a blade movable downwardly for a cutting operation. A locking mechanism is disposed on the table. The locking mechanism is movable between an unlocked position and a locked position for selectively unlocking and locking the table for rotational movement relative to the base about the miter axis. The locking mechanism has a lock lever rotatably connected to the table. The lock lever has a handle for moving locking mechanism between the locked and unlocked positions. The saw also has a miter detent assembly for selectively engaging and disengaging the detent notch.

Abstract: A holder unit for a power tool is provided including a housing having a plurality of walls defining an open end, the housing being sized to receive an auxiliary wireless device therein through the open end. The housing is detachably mounted to a threaded opening provided on a tool housing of the power tool.

Abstract: A jaw assembly for a rivet setting tool the jaw assembly including a plurality of jaws each jaw defining part of an interlocking mechanism and an oppositely located part of another interlocking mechanism wherein adjacent jaws interlock via engagement of the parts of the interlocking mechanisms of the respective jaws for enabling radial movement of the jaws relative to each other while restricting axial movement of the jaws relative to each other.