Abstract: The present disclosure relates to a drill tool (1), such as a core drill tool (1), comprising a motor unit (2) and a gear unit (3). The motor unit (2) comprises an electric motor (4) and a motor drive shaft (5) that extends along a first longitudinal axis (6) from the electric motor (4) and protrudes out of a motor unit housing (7) via a motor exit aperture (8) in a housing end part (9) and comprises a drive shaft gear (10). The drive shaft gear (10) is adapted to propel a drill shaft (14) that extends along a second longitudinal axis (15) and comprises a tool holder (16) that is adapted to hold a tool. The housing end part (9) comprises a wall part (17) arranged transversally to the longitudinal axes (6, 15) and is adapted to close the gear unit cavity (11) and to separate the electric motor (4) from the gear unit cavity (11).

Abstract: A crankshaft (1) for a crankcase scavenged two stroke piston engine (2) is disclosed. The crankshaft (1) is configured to rotate around a rotation axis (ax) during operation. The crankshaft (1) comprises a crankpin (3) configured to move in a crank plane (cp) during operation, and a first and a second counterweight (5, 7) arranged on either side (S1, S2) of the crank plane (cp). The first counterweight (5) has a first outer radius (r1) measured from the rotation axis (ax) and the second counterweight (7) has a second outer radius (r2) measured from the rotation axis (ax). The first outer radius (r1) is smaller than the second outer radius (r2). The present disclosure further relates to a power unit (10), a crankcase scavenged two stroke piston engine (2), and a hand-held power tool (20).

Abstract: A lawn mower may include a cutter propulsion unit, a transmission axle that may have a longitudinal extension and may be adapted to be rotated by the cutter propulsion unit. The lawn mower may further include a cutting disc that may have a radial extension (R) that runs between a center and an outer edge, where the cutting disc may include one or more cutting edges that may be adapted to cut grass when the cutting disc may be brought into a rotational motion by means of the transmission axle. The cutting disc may further include a connection portion which may be adapted to receive a coupling member, which may be included in the transmission axle, in at least two different mounting positions that may be adapted to position the connection portion in mutually separated positions along the longitudinal extension (L, L?).

Abstract: A multi-tool (100) includes a power head (120) including a power head housing (122) having a handle (124) operably coupled thereto, a tool attachment (106, 108, 110) configured to perform a work function, the tool attachment (106, 108, 110) being alternately separable from and operably coupled to the power head (120), a motor (140) disposed in the power head housing (122), a battery (130) configured to be operably coupled to the motor (140) to selectively power the motor (140), a drive provider portion (300) disposed at the power head (120), and a drive receiver portion (320) disposed at the tool attachment (106, 108, 110). The drive provider portion (300) includes a driving portion (302) of a shaft (150) operably coupled to the motor (140), and the drive receiver portion (320) includes a driven portion (322) of the shaft (150). The driving portion (302), the drive receiver portion (320), and the motor (140) share a common axis (148).

Abstract: A snow removal device may include an engine assembly operably coupled at least in part to a frame of the snow removal device. The snow removal device may further include a mobility assembly operably coupled to the frame and the engine assembly to provide mobility of the snow removal device responsive at least in part to operation of the engine assembly. The snow removal device may even further include an ejection assembly that includes a chute for ejecting material from the snow removal device, and a handle assembly that includes a lever assembly. Moreover, the snow removal device may also include a chute rotation assembly operably coupled to the chute of the ejection assembly. The chute rotation assembly may include a cable system, the cable system operably coupling the lever assembly to the chute rotation assembly.

Abstract: A robotic work tool having a chassis, a cover and a controller for controlling the operation of the robotic work tool. The robotic work tool further has a lift/collision detection device (300) connected to the controller for providing sensor input, and which Hft/coUision detection device (300) includes a first sensor element (340) and a second sensor element (345). The controller (110) is configured to receive sensor input of a distance value indicating a distance between the first sensor element (340) and the second sensor element (345), determine that a lift has been detected, fay comparing the distance value with a lift detection threshold and/or determine that a collision has been detected, by comparing the distance value with a collision detection threshold, wherein the collision detection threshold is different from the lift detection threshold.

Abstract: A system may include a sensor disposed on a parcel of land, watering equipment comprising a watering pump and processing circuity, and a user terminal comprising a user interface. The sensor may be configured to detect moisture conditions. The processing circuitry may be configured to direct the watering pump to operate in accordance with an operational mode. The user terminal may be configured to output system information via the user interface based on sensor data provided by the sensor, control the watering pump to operate in accordance with the operational mode, and delegate operational control of the system to a second user in response to a delegation input provided by a first user via the user interface.

Abstract: An arboriculture safety monitoring system (300) comprising at least one arboriculture safety monitoring device (200) and at least one arboriculture safety user interface device (100), the at least one arboriculture safety monitoring device (200) comprising at least one proximity sensor, a controller and a communication interface, the arboriculture safety user interface device (100) comprising alerting means, a communication interface, and a controller wherein the at least one arboriculture safety monitoring device (200) is configured to: connect to at least one of the at least one arboriculture safety user interface device (100), detect that a person has come within range of the at least one proximity sensor, and in response thereto emit an alert through alerting means of the arboriculture safety user interface device (100).

Abstract: A transmitter device (100) includes a housing (102). The transmitter device (100) has at least one battery housed within the housing (102). The transmitter device (100) has a cover (104) which at least partially covers the at least one battery. The transmitter device (100) further includes a sensor (106) electrically coupled with the at least one battery. The transmitter device (100) is installed in a ground surface. The transmitter device (100) is characterized in that the cover (104) is removably coupled with the housing (102) by a snap-fit connection such that the cover (104) is vertically accessible for removal while the transmitter device (100) remains installed. The cover (104) includes one or more recesses or protrusions (114) and the housing (102) has one or more complementary protrusions (112) or recesses for the removable coupling between the cover (104) and the housing (102), and the cover (104) includes a tab (108) or a slot which allows disassembly of the cover (104) from the housing (102).

Abstract: A pressure reducer (100) for reducing a fluid pressure includes a pressure reducer body (110) defining at least one pressure reducer chamber (120). The pressure reducer chamber (120) includes an inlet section (122) and an outlet section (124) fluidly coupled with the inlet section (122). The pressure reducer chamber (120) further includes a spring-operated piston rod (121) and a sealing element (128) operatively coupled with the piston rod (121). A flange (132) is sealing coupled with the pressure reducer body (110). The pressure reducer body (110) defines a pressure compensation hole (114). The pressure reducer (100) is characterized in that the pressure reducer body (110) has a first threaded portion (112), and the flange (132) has a second threaded portion (134) such that the pressure reducer body (110) and the flange (132) are threadedly coupled.

Abstract: A starting assembly for a backpack blower may include a starting lever. The backpack blower may include an engine and a backpack harness configured to support the blower on a back of a user wearing the backpack harness. The starting lever may include a lever arm operably coupled to an axial member at a distal end of the axial member. The starting lever may be pivotable about an axis formed by the axial member by a user wearing the blower via the backpack harness to start the engine.

Abstract: A hand operated cutting tool (200) for pipes or tubes includes a housing (202). The housing (202) defining at least one first opening (204) to receive an object (210) to perform a first cutting action, and a second opening (206) which is adapted to perform a second cutting action. The first opening (204) includes a longitudinal axis (A-A1) and the second opening (206) include a longitudinal axis (X-X?). The longitudinal axis (A-A1) and the longitudinal axis (X-X?) include an angle (Z) therebetween that is unequal to 0 degree. And, one or more cutting blades (208, 502) are operatively coupled to the first opening (204) and the second opening (206). The one or more cutting blades (208) is arranged such that it is performing both the first cutting action and the second cutting action.

Abstract: An ignition system for outdoor power equipment driven by a petrol or gasoline engine may include a safety interlock system, a starter motor, a starter solenoid having an activation coil, and a solenoid monitor. The ignition system may be configured to selectively apply power to start the engine based on application of a start attempt. The safety interlock system may be operable to actuate the starter solenoid via the activation coil to apply current to the starter motor for starting the engine during the start attempt. The solenoid monitor may be configured to determine a status of the activation coil and starter solenoid contacts and provide a fault indication based on the status determined.

Abstract: A drive assembly for a vehicle may selectively couple a motor of the vehicle to a mobility assembly of the vehicle. The drive assembly may include a worm gear assembly having a worm engaged with a worm gear. The worm may be operably coupled to the motor of the vehicle, and the worm gear may be selectively coupled to a shaft of the mobility assembly. The drive assembly may be configured to move between a first configuration and a second configuration. In response to the drive assembly being in the first configuration, the worm gear assembly and the shaft of the mobility assembly may be operably coupled, and the worm gear assembly may be configured to selectively transfer power from the motor to the mobility assembly to provide mobility to the vehicle. In response to the drive assembly being in a second configuration, the worm gear assembly and the shaft of the mobility assembly may be decoupled, and the worm gear assembly may be prevented from transferring the power from the motor to the mobility assembly.

Abstract: The present disclosure relates to a starter pulley arrangement for an internal combustion engine. The arrangement comprises a cord drum (1) configured to house a starting rope wound thereon, a driver (3) configured to interact with a flywheel (5) or other part connected to an engine crankshaft, and a torsion spring (7) connecting the cord drum (1) to the driver (3), such that the cord drum can resiliently urge the engine crankshaft via the driver. The torsion spring (7) is tensioned in a resting position where the driver does not influence the crankshaft. This provides an improved resistance against wear on the parts of the starter pulley arrangement.

Abstract: A blower may include a housing having a handle, an electric motor powered by a battery pack, and a fan assembly operably coupled to the electric motor to force air through a blower tube responsive to operation of the electric motor. The blower tube defines a blower tube axis. The fan assembly creates a low pressure area in a intake chamber that provides the air to the fan assembly. The air enters the intake chamber via at least one radial entrance and an axial entrance disposed in the housing. The axial entrance is configured to receive cooling air that has passed through the battery pack.