The disclosure relates to a portable power tool comprising at least one coupling device which can be coupled to a power tool separation device comprising at least one cutting unit and at least one guide unit for guiding the cutting unit. The portable power tool comprises at least one storage device which is provided to stow the machine tool separation device at least when it is coupled to the coupling device.

A hand-held battery-operated electric machining device, includes: a standing plane and a standing portion, a receiving device, wherein the receiving device has a receiving space extending along a receiving direction of the receiving device and designed to be complimentary to the battery pack, a housing portion facing a tool, and a tank which delimits a tank interior of the electric machining device to store a lubricant. The receiving space has a cross-sectional area extending parallel to the standing plane. The cross-sectional area has two long sides extending along a longitudinal extension direction of the electric machining device and located substantially in parallel opposite one another, and two narrow sides extending at right angles to the longitudinal extension direction and located substantially in parallel opposite one another. The two narrow sides extend substantially parallel to the housing portion facing the tool, wherein viewed at right angles to the standing plane, the tank and the receiving device are arranged beside one another at right angles to the longitudinal extension direction.

A handheld portable cutting apparatus has a cutter unit with a cutter unit longitudinal axis. In a central housing section of the cutting apparatus, a drive connection is arranged between an electric drive motor and the cutter unit, wherein a motor housing having a motor housing longitudinal axis extends from the central housing section. A handle extends from the central housing section in a handle longitudinal axis. The cutter unit includes a guide bar with a saw chain circulating thereon, wherein, in a side view onto the cutting apparatus, the point of intersection between the handle longitudinal axis and the motor housing longitudinal axis and also the point of intersection between the handle longitudinal axis and the cutter unit longitudinal axis lie in the central housing section.

A control system automates operations of a chainsaw mill. The chainsaw mill has at least one powerhead, and at least one travel motor that mechanically engages with a drive belt to drive the at least one powerhead along a guide track. A tension sensor measures tension on the drive belt, and a powerhead sensor produces a revolutions per minute (RPM) measurement of the at least one powerhead. A powerhead controller is responsive to the RPM measurement for controlling the powerhead's throttle to keep the RPM near a predetermined RPM setpoint. A travel motor controller is responsive to the tension measurement for controlling the at least one powerhead's transit speed along the guide track to maintain drive-belt tension near a predetermined tension setpoint.

A hand-held electrically powered cut-off tool (100, 200, 800, 1000, 1900) comprising a first part (110) and a second part (120) arranged vibrationally isolated from each other, the first part (110) comprising an arm (116) arranged to support a cutting disc (130) and an electric motor (140) arranged to drive the cutting disc, the second part (120) comprising front (190) and rear (195) handles for operating the cut-off tool, and a battery compartment (150) for holding an electrical storage device (220, 1800) such as a battery arranged to power the electric motor (140), wherein one or more damping members (170, 1910) are arranged in-between the first part (110) and the second part (120), where at least one damping member (170, 1910) is formed in a resilient material associated with a damping coefficient.

The present disclosure relates to a power tool (1) driven by an internal combustion engine and comprising a housing (9) and having a service access interface (11) for connecting to an internal control unit of the engine during service. The access interface (11) comprises a connector (21) and an access interface cable, connecting the connector (21) to the control unit. The housing comprises an opening (15), and a grommet (13) is provided configured to clamp the access interface cable or the connector (21). The grommet (13) is configured to be moved between an operating position and a service position. In the operating position, the grommet (13) is located in the opening (15), the access interface cable and connector (21) being fully enclosed in the housing (9), and in the service position, the grommet (13) is located in said notch, the access interface cable or connector (21) extending through the opening inside the grommet (13).

A power tool may include a body arranged to support a rotatable work tool. The body may include a front handle and a rear handle. The front handle may be arranged between the rotatable work tool and the rear handle. The power tool may further include a liquid dispensing system for adding a controlled amount of liquid to the rotatable work tool. The liquid dispensing system may include a valve for adjusting a flow of liquid in the liquid dispensing system. The valve may include a control member arranged on a portion of the body separate from the front handle but adjacent to the front handle such that the control member is operable by a hand gripping the front handle.

A chainsaw includes a housing with a body portion and a motor portion disposed on a left or right side of the body portion, a guide plate, a chain, a drive assembly including an electric motor, a power supply device, a top handle, a side handle and a circuit board assembly. The top handle is disposed on and connected to an upper side of the body portion, and the rear portion is located below a handle rear end of the top handle. The side handle is disposed on a same side of the body portion together with the motor portion. The circuit board assembly is disposed in the rear portion of the body portion, and located between the power supply device and the drive assembly in a front and rear direction. An overall length of the chainsaw is smaller than or equal to 230 mm.

An electric power tool includes a main body section with a battery compartment into which a battery is inserted from above and covered by a cover; an electric work section at a front of the main body section that operates using battery power; a front handle positioned above the main body section and ahead of the battery compartment, including a first part extending in a crossing direction intersecting front-rear and up-down directions; and a rear handle extending rearward from the main body section, wherein the battery stored in the battery compartment protrudes above a virtual plane that contacts upper regions of both the front handle's first part and the rear handle.

A tool head replacement structure includes a body, a tool head, a locking mechanism, where the body is provided with a connecting end, a connecting portion is arranged on the tool head, and the connecting portion is arranged in the connecting end. The locking mechanism includes a locking ring, the locking ring is annularly provided with a plurality of first locking clasps and first locking blocks, and the connecting portion is annularly provided with a plurality of second locking blocks and second locking clasps. The first locking clasp and the second locking clasp are respectively provided with a first locking groove and a second locking groove, the locking ring is provided with an actuating portion, and the locking ring is driven to rotate. The first locking block and the second locking block disengage from the second locking groove and the first locking groove.