A handheld cutting tool includes a motor, a driven gear coupled to the motor and a sprocket coupled for co-rotation with the driven gear, a housing, a guide bar extending from the housing, a chain supported on the guide bar and engaged with the sprocket such that rotation of the sprocket moves the chain along the guide bar, and a battery pack removably coupled to the housing, the battery pack including a foot portion defining a base plane. The center of gravity of the handheld cutting tool is located above the foot portion when the handheld cutting tool is stood upright on the foot portion, thus permitting the handheld cutting tool to balance only on the foot portion of the battery pack.

A handheld cutting tool includes a motor, a driven gear coupled to the motor and a sprocket coupled for co-rotation with the driven gear, a housing, a guide bar extending from the housing, a chain supported on the guide bar and engaged with the sprocket such that rotation of the sprocket moves the chain along the guide bar, and a battery pack removably coupled to the housing, the battery pack including a foot portion defining a base plane. The center of gravity of the handheld cutting tool is located above the foot portion when the handheld cutting tool is stood upright on the foot portion, thus permitting the handheld cutting tool to balance only on the foot portion of the battery pack.

A chainsaw includes a chain, a liquid pump assembly, a motor, and a controller. The chain is used for implementing a cutting operation. The liquid pump assembly includes a liquid pump and a motor. The liquid pump is used for releasing a liquid for lubricating or cooling the chain. The motor is used for at least driving the liquid pump to operate. The controller is electrically connected to at least the motor. The controller is configured to, when the liquid pump is in the jammed state, control the liquid pump assembly to enter a throttling mode in which a supplied amount of the liquid is reduced, and when the liquid pump exits the jammed state, control the liquid pump assembly to exit the throttling mode. Technical solutions provided by the present application can determine and release the jammed state of the chainsaw.

A hand-guided power tool has an internal combustion engine that is arranged in a power tool housing and drives a tool member of the power tool. A fuel tank and at least one electric component are provided. A control device that is an electronic control unit is connected to the at least one electric component and controls the at least one electric component. The power tool has a top face which, when parking the power tool in a usual parking position on a flat horizontal support surface, is facing upwardly. The electronic control unit has a plug contact and a connecting plug is plugged into the plug contact. The connecting plug is connected by a connecting line to the at least one electric component. The connecting plug is arranged on a top side of the control device which is facing upwardly in the usual parking position of the power tool.

An outdoor tool and a lubrication system for an outdoor tool are provided. The lubrication system includes a reservoir, a pump, and an output configured to deliver lubricant to a tool unit of the outdoor tool. The pump is adjustable between a plurality of flow rate settings. The lubrication system may include one or more anti-leak mechanisms. The lubrication system may include a dedicated pump motor distinct from a motor assembly of the tool. A display system to display operating parameters of the lubrication system may be included.

An outdoor tool and a lubrication system for an outdoor tool are provided. The lubrication system includes a reservoir, a pump, and an output configured to deliver lubricant to a tool unit of the outdoor tool. The pump is adjustable between a plurality of flow rate settings. The lubrication system may include one or more anti-leak mechanisms. The lubrication system may include a dedicated pump motor distinct from a motor assembly of the tool. A display system to display operating parameters of the lubrication system may be included.

A cutting tool includes: a loop-wound chain wound about at least a drive crown activated in rotation by a motor, a lubricating circuit of the chain provided with a tank of lubricating fluid, a pump drawn by the motor and having an aspirating conduit of the fluid provided with an aspirating mouth located internally of the tank, and a delivery conduit provided with an outlet mouth located in proximity of the chain, a sensor able to detect the lubricating fluid in the lubricating circuit.

A cutting tool includes: a loop-wound chain wound about at least a drive crown activated in rotation by a motor, a lubricating circuit of the chain provided with a tank of lubricating fluid, a pump drawn by the motor and having an aspirating conduit of the fluid provided with an aspirating mouth located internally of the tank, and a delivery conduit provided with an outlet mouth located in proximity of the chain, a sensor able to detect the lubricating fluid in the lubricating circuit.

The disclosure provides a method of oil delivery to a chainsaw chain blade using a gerotor pump in sequence with flow control valves to provide lubrication to the chain blade to reduce friction with the chainsaw bar guide and prevent overheating and damage to the chain blade or guide bar.

The disclosure provides a method of oil delivery to a chainsaw chain blade using a gerotor pump in sequence with flow control valves to provide lubrication to the chain blade to reduce friction with the chainsaw bar guide and prevent overheating and damage to the chain blade or guide bar.