Abstract: A hand-held power tool, in particular a router, includes a machine housing and a support device for guiding the hand-held power tool on a workpiece. The support device has a carrier element, in which the machine housing is at least partially received and fastened. A foot plate which allows an insert tool, in particular a milling tool, to pass through and which is designed to bear against a workpiece is fastened to an end flange of the carrier element facing away from the machine housing. An edge guide for guiding the hand-held power tool along an edge of the workpiece is fastenable to the end flange of the carrier element. A groove is formed in the end flange. A fastening portion of a holding arm of the edge guide can be received interlockingly in the groove and can be fastened by means of at least one fastening element.

Abstract: A power tool includes an air spring cylinder. A piston is movably positioned within the cylinder and a driver blade and a rack are attached to the piston. The power tool includes a lifter gear including a lifter gear wheel portion, and a plurality of teeth extending radially from the lifter gear wheel portion and configured to engage the rack. A hub includes a first end operably connected to a motor output and a second end including a hub wheel portion. A first receptacle is provided in one of the lifter gear and the hub and a first bearing element extends from the other of the lifter gear and the hub into the first receptacle. A first elastomeric damper is positioned within the first receptacle between the first bearing element and a bearing element defined portion of the first receptacle.

Abstract: A method of operating a portable power station including a plurality of battery modules and a battery management system operably connected to the plurality of battery modules, includes supplying at least one first battery module of the plurality of battery modules with a charging current generated from mains electricity operably connected to an AC input connection of the portable power station using the battery management system, and electrically connecting at least one second battery module of the plurality of battery modules to a load to supply the load with an operating current using the battery management system. The method further includes electrically disconnecting at least one third battery module of the plurality of battery modules from the charging current and the load to manage thermally the at least one third battery module using the battery management system.

Abstract: A power tool includes a tool housing and a mechanism disposed inside the tool housing. The tool housing has a composite structure that includes an outer layer and an inner layer. The outer layer provides an outer surface of the power tool housing and comprises a first material. The outer layer is an assembly of concave shell portions joined along parting lines. The inner layer is disposed on an inner surface of at least a portion of the outer layer so as to be disposed between the portion of the outer layer and the mechanism. The inner layer comprises a second material. The first material has a density that is at least three times the density of the second material. The inner layer has a peripheral edges that are offset relative to the parting lines such that the inner layer extends continuously across the parting lines.

Abstract: A power tool includes an air spring cylinder. A piston is movably positioned within the cylinder and a driver blade and a rack are attached to the piston. The power tool includes a lifter gear including a lifter gear wheel portion, and a plurality of teeth extending radially from the lifter gear wheel portion and configured to engage the rack. A hub includes a first end operably connected to a motor output and a second end including a hub wheel portion. A first receptacle is provided in one of the lifter gear and the hub and a first bearing element extends from the other of the lifter gear and the hub into the first receptacle. A first elastomeric damper is positioned within the first receptacle between the first bearing element and a bearing element defined portion of the first receptacle.

Abstract: A nailer assembly includes a housing defining a drive section at a forward portion of the nailer assembly, and a grip section at an upper portion of the nailer assembly. A fastener magazine is located beneath the grip section and includes a feed portion proximate the drive section and a distal portion located distally from the drive section. A sacrificial protective support structure is positioned beneath the distal portion of the fastener magazine.

Abstract: A power tool includes an air spring cylinder. A piston is movably positioned within the cylinder. A head valve assembly of the power tool includes a flapper valve configured to seal the air spring cylinder from an air accumulator when the flapper valve is in a non-firing position.

Abstract: A fastening device for a dust extraction device is configured to detachably connect the dust extraction device to a hand-held power tool. The fastening device includes a first connection unit and a second connection unit. The first connection unit is configured to connect the dust extraction device to the hand-held power tool by form closure. The second connection unit is configured to connect the dust extraction device to the hand-held power tool by force closure.

Abstract: A hand-held linear fastener driving tool such as a nailer includes a multi-piston gas spring driver mechanism that includes a piston assembly disposed in a gas cylinder. The piston assembly includes an accumulator piston, a striker piston disposed between the accumulator piston and an open end of the cylinder, and a blade that protrudes from the striker piston. The accumulator piston and the striker piston each form a fluid tight seal with the cylinder inner surface. The piston assembly includes a fluid column that extends between the accumulator piston and the striker piston. A gas storage chamber is disposed between the accumulator piston and the closed end. The piston assembly moves as a unit within the cylinder during tool operation.

Abstract: A power tool includes a tool housing and a mechanism disposed inside the tool housing. The tool housing has a composite structure that includes an outer layer and an inner layer. The outer layer provides an outer surface of the power tool housing and comprises a first material. The outer layer is an assembly of concave shell portions joined along parting lines. The inner layer is disposed on an inner surface of at least a portion of the outer layer so as to be disposed between the portion of the outer layer and the mechanism. The inner layer comprises a second material. The first material has a density that is at least three times the density of the second material. The inner layer has a peripheral edges that are offset relative to the parting lines such that the inner layer extends continuously across the parting lines.

Abstract: A hand-held power tool, in particular a router, includes a machine housing and a support device for guiding the hand-held power tool on a workpiece. The support device has a carrier element, in which the machine housing is at least partially received and fastened. A foot plate which allows an insert tool, in particular a milling tool, to pass through and which is designed to bear against a workpiece is fastened to an end flange of the carrier element facing away from the machine housing. An edge guide for guiding the hand-held power tool along an edge of the workpiece is fastenable to the end flange of the carrier element. A groove is formed in the end flange. A fastening portion of a holding arm of the edge guide can be received interlockingly in the groove and can be fastened by means of at least one fastening element.

Abstract: A method of operating a portable power station including a plurality of battery modules and a battery management system operably connected to the plurality of battery modules, includes supplying at least one first battery module of the plurality of battery modules with a charging current generated from mains electricity operably connected to an AC input connection of the portable power station using the battery management system, and electrically connecting at least one second battery module of the plurality of battery modules to a load to supply the load with an operating current using the battery management system. The method further includes electrically disconnecting at least one third battery module of the plurality of battery modules from the charging current and the load to manage thermally the at least one third battery module using the battery management system.

Abstract: A pneumatic fastener driving tool includes a gas cylinder, and a piston disposed in the cylinder in such a way that a centerline of the piston is coaxial with the cylinder longitudinal axis, and the piston is movable along the cylinder longitudinal axis between ready and driven positions. The tool includes a blade having a blade first end that is connected to the piston, and a blade second end that is configured to contact a fastener during a fastener driving operation. The tool includes a reset mechanism that returns the tool to the ready to fire configuration by translating the piston along the cylinder longitudinal axis to a location in which gas is compressed in the cylinder. The reset mechanism includes a ball screw device that drives the piston toward the ready position via a force that is concentric with the centerline of the piston.

Abstract: A pneumatic fastener driving tool includes a gas cylinder, and a piston disposed in the cylinder in such a way that a centerline of the piston is coaxial with the cylinder longitudinal axis, and the piston is movable along the cylinder longitudinal axis between ready and driven positions. The tool includes a blade having a blade first end that is connected to the piston, and a blade second end that is configured to contact a fastener during a fastener driving operation. The tool includes a reset mechanism that returns the tool to the ready to fire configuration by translating the piston along the cylinder longitudinal axis to a location in which gas is compressed in the cylinder. The reset mechanism includes a ball screw device that drives the piston toward the ready position via a force that is concentric with the centerline of the piston.

Abstract: A fastening device for a dust extraction device is configured to detachably connect the dust extraction device to a hand-held power tool. The fastening device includes a first connection unit and a second connection unit. The first connection unit is configured to connect the dust extraction device to the hand-held power tool by form closure. The second connection unit is configured to connect the dust extraction device to the hand-held power tool by force closure.

Abstract: A power tool includes a motor housing having a motor configured to rotate an output shaft about a drive axis and a gear housing defining a gear compartment. A pinion gear is supported by the gear housing that is coupled to the output shaft for rotation about the drive axis. A bevel gear is supported by the gear housing for rotation about a bevel axis perpendicular to the drive axis, the bevel gear being meshingly engaged with the pinion gear. A crank pin extends from the bevel gear at a position offset from the bevel axis. An articulating housing is pivotably supported by the gear housing for pivotal movement about the bevel axis. A plunger member is supported by the articulating housing for reciprocating movement along a reciprocating axis. The plunger member includes a yoke end portion coupled to the crank pin. The reciprocating axis and the drive axis reside in the same plane throughout pivotal movement of the articulating housing with respect to the gear housing.

Abstract: A master cylinder has a body formed from a seamless cylindrical tube. Bosses are welded to an exterior sidewall portion of the tube and have passages communicating with the interior bore. An end cap closes one bore end and includes a passageway for supplying pressurized hydraulic fluid from the bore to individual wheel brake cylinders. The mating reservoir includes a pair of downwardly depending legs for attachment. A pair of bolts extend from a vacuum booster, pass through the reservoir mounting bolt apertures and engage the end cap of the body securing the resulting assembly to the vehicle.