Abstract: A portable work apparatus comprises a housing (2) and a tool (9). A drive motor (5) is arranged in the housing (2) between the first end (3) and the second end (4) and has a drive shaft (7) for driving the tool (9). The drive motor (5) has a first bearing (12) and a second bearing (13). The drive shaft (7) is rotatably (11) supported relative to the housing (2) by means of the first bearing (12) and the second bearing (13). A drive transmission unit (8) is functionally arranged between the drive motor (5) and the tool (9). The work apparatus (1) has additional bearing (14) for supporting the drive shaft (7) relative to the housing (2) of the work apparatus (1) arranged on the drive shaft (7).

Abstract: A system assists during execution of a sequence of cuttings in a tree, wherein, during a cutting sequence, a first cut in the tree is followed by a second cut in the tree At least a part of an ideal course of the second cut depends on at least a part of a course of the first cut. An identification device identifies at least the part of the course of the first cut in the tree. A precalculation device precalculates at least the part of the ideal course of the second cut in the tree based on the identified part of the course of the first cut. An output device outputs cutting information for executing the second cut based on the precalculated part of the ideal course of the second cut.

Abstract: A hand-portable garden, forestry and/or construction processing device has a cutting tool, an electric drive motor, a motor operating element, and a control device. The cutting tool is designed for cutting through work. The drive motor is designed for driving the cutting tool. The motor operating element is user-adjustable over an adjustment range from a minimum setting to a maximum setting. The control device is designed for controlling a target speed of the drive motor in accordance with a setting of the motor operating element in at least one first operating mode and one second operating mode. In the first operating mode, the target speed increases over at least one segment from a minimum of 0.5 times the adjustment range as the setting increases, wherein the increase changes over the segment by a maximum of 60%. In the second operating mode, the target speed is a minimum of 0.9 times a maximum target speed of the second operating mode as the setting increases from a maximum of 50% of the adjustment range.

Abstract: A system assists during felling of a tree. A provision device provides a property of the tree and/or a property of an environment of the tree, identifies at least part of a course of a cut in the tree for felling the tree and/or identifies a position and/or an orientation of a cutting apparatus executing the cut. A determination device obtains felling information related to an ideal felling direction of the tree, compares the identified part of the course to an obtained part of an ideal course of a cut to be executed in the tree for felling the tree in the ideal felling direction, compares the identified position and/or the identified orientation of the cutting apparatus to an obtained ideal position and/or an obtained ideal orientation of the cutting apparatus, and obtains cutting information based on the comparison. An output device outputs the obtained felling information and cutting information.

Abstract: A handheld work apparatus comprises an actuating element (8) for actuating a drive motor (3), and a blocking element (9) arranged on a top side (6) of a handle portion (5). The blocking element (9) is operatively connected to the actuating element (8). A control circuit (17) for controlling the drive motor (3) is provided. A switch (15) can be actuated via the blocking element (9) and has a switching element (16). The switch (15) sends a signal to the control circuit (17) in an activated state. The switch (15) is arranged in the handle portion (5) between the blocking element (9) and a bottom side (7) of the handle portion (5) and is oriented such that the switching element (16) of the switch (15) faces the bottom side (7) of the handle portion (5).

Abstract: The invention relates to a hand-carried work apparatus with a housing (2), with a drive motor (3) arranged in the housing (2), wherein the drive motor (3) drives a tool (5) arranged at the front end (30) of the housing (2), wherein a first electrical functional element (13) is arranged in the housing (2), and wherein at least one second electrical functional element (14) is arranged on the outside (12) of the front handle (6), wherein the first electrical functional element (13) is connected to the second functional element (14) via at least one connecting cable (15), and wherein the at least one connecting cable (15) is arranged at least partially in the interior space (10) of the front handle (6) in the area of the side section (33) of the front handle (6).

Abstract: A fuel feed unit has a base body with an intake channel section, into which a fuel opening opens. A partition wall section divides the intake channel section into a mixture channel and an air channel. The wall section has a recess in which the throttle flap at least partially lies in an end position. The wall section has, upstream of the recess, a continuous surface facing the mixture channel and which has lateral sections adjacent to the channel wall and a middle section running between the lateral sections. The lateral sections have, upstream of the throttle flap, a separation edge for the flow. In the end position, the side of the throttle flap facing the mixture channel defines a reference plane which divides the unit into a first region and a second region. The lateral sections extend, at least directly upstream of the recess, into the second region.

Abstract: A hose reel unit for a high-pressure washer has a hose reel and a reel hose arranged in its receptacle. The hose reel is rotatable about an axis of rotation for winding and unwinding the reel hose. The first end of the reel hose is connectable to a supply line and the second end to a washer wand of the high-pressure washer. The hose reel has sidewalls delimiting the receptacle in a direction of the axis of rotation. The first end of the reel hose extends to the first sidewall and is coaxial to the axis of rotation. A guide device arranged between the sidewalls guides the reel hose such that the axis of rotation extends through the reel hose. The guide device is spaced apart form the first end of the reel hose at a support distance measured in a direction of the axis of rotation.

Abstract: A handheld work apparatus includes a work tool, a belt drive, a drive motor configured to drive the work tool via the belt drive, a brake unit configured to act on the belt drive, and a holding arrangement. The brake unit has a braking position and a released position and the holding arrangement is configured to hold the brake unit in the released position. The holding arrangement includes an electromagnet to which current is supplied during operation of the work apparatus.

Abstract: A method for determining a robot position of an autonomous mobile green area maintenance robot on an area to be maintained includes the steps of: determining at least one robot position of the autonomous mobile green area maintenance robot by virtue of the green area maintenance robot receiving at least one global positioning signal from a global positioning system; determining a station position for at least one local positioning station on the basis of the at least one determined robot position and by interchanging at least one local positioning signal between the green area maintenance robot and the at least one positioning station; and determining a robot position of the green area maintenance robot on the area to be maintained on the basis of the at least one determined station position and by interchanging at least one local positioning signal between the green area maintenance robot and the at least one positioning station.

Abstract: A method operates an electrical treatment device having a user-operable operating switch, and a motor electronics system with a motor control and an electric drive motor. The switch electrically connects to a drive voltage source and the motor electronics system. The motor electronics system electrically connects to the drive motor on an output side via the motor control. The method monitors whether an input voltage at the motor electronics system meets a closed criterion or an open criterion, wherein the closed criterion is characteristic of a closed switching state of the operating switch, and wherein the open criterion is characteristic of an open switching state of the operating switch, and when the open criterion is met, operates the motor control in a state from an open state set that includes a voltage control state for limiting an increase in the input voltage caused by the running-down electric drive motor.

Abstract: A hand-guided motorized working apparatus and an operating device for the apparatus are provided. The operating device has a handle shank configured to be hand-gripped, an operating element receiving region adjoining the handle shank, and an operating unit which acts on the apparatus operation and includes an operating element which is held movably on the operating element receiving region for actuation by a finger of a hand gripping the handle shank, and has a finger rest region extending along an outer side of the operating element receiving region.

Abstract: The disclosure relates to a handheld work apparatus, wherein the work apparatus includes a housing, a drive motor for driving a tool, and a handle disposed on the housing. A contour is provided on the handle and a counter contour is provided on the housing. In the inoperative position of the handle, a minimum friction torque (M1) which acts about the pivot axis is provided between the handle and the housing. In the operative position of the handle, the contour and the counter contour are operatively connected in such a manner that a further friction torque (M2) which acts about the pivot axis is present between the handle and the housing. The further friction torque (M2) in the operative position is greater than the minimum friction torque (M1) in the inoperative position.

Abstract: The invention is directed to an arrangement for dissipating heat of an electronic component mounted on a circuit board. The arrangement includes a heat sink for dissipating heat of an electronic component. In order for bottom heat of the electronic component to be dissipated, at least one heat-dissipating heat conducting section is configured on the circuit board, wherein the heat sink is connected in a heat transmitting manner to the heat conducting section of the circuit board. The heat sink by way of a foot section bears directly on the heat conducting section of the circuit board. A recess is configured in the base body of the heat sink, wherein the electronic component lies at least partially in the recess.

Abstract: A saw chain includes connecting links and drive links that are mutually connected by rivets in an articulated manner about rivet axes. The rivets project through at least one rivet opening of one connecting link and through a rivet opening of a drive link. At least one rivet has, on one end face thereof, a depression having a depression edge and a depression base surrounded by the depression edge. The distance of the depression edge from a central plane of the saw chain increases at an increasing radial distance from the rivet axis. The distance (e) of the base from the central plane does not increase at any point of the base at an increasing radial distance from the rivet axis. A greatest distance (a) of the base from the rivet axis corresponds to 50% to 100% of half the core diameter (d) of the rivet.

Abstract: A riding lawn mower has an internal combustion engine and a muffler with a first housing. The internal combustion engine is connected to the muffler to supply exhaust gases originating from the internal combustion engine to the first housing of the muffler for noise damping of the exhaust gases. A second housing is provided that thermally insulates the first housing of the muffler. The second housing at least partially encloses the first housing of the muffler. The second housing has an exterior side with an emissivity of greater than 0.8.

Abstract: A motorized working apparatus includes a housing having an air inlet, an air guide leading from the air inlet into the housing, and an air filter which is curved hood-shaped outwardly and covers the air inlet of the housing. The air filter includes a filter frame body with a filter-fabric-free air outlet face facing the air inlet of the housing and with a window frame structure protruding over the filter-fabric-free air outlet face and having at least one window region. A filter fabric occupies the at least one window region, and a fixation releasably fixes the filter frame body to the housing.

Abstract: A battery pack supplies an electrically driven treatment apparatus with an electric driving power and includes: a first stack limiting structure and a second stack limiting structure, wherein the second stack limiting structure is disposed opposite and with a fixed distance to the first stack limiting structure; a plurality of pouch cells, wherein the pouch cells are disposed in a stack, wherein the stack is disposed between the first stack limiting structure and the second stack limiting structure and a height of the stack in a stack direction is limited by the first stack limiting structure and the second stack limiting structure; and a sensor arrangement. The sensor arrangement is disposed in the stack. The sensor arrangement extends across a major part of a surface of the pouch cells and is configured such that the height of the stack across the extension is approximately equal. The sensor arrangement has a pressure sensor.

Abstract: A blower unit for a portable handheld blower apparatus has a housing section and a tubular receiving space, formed in the housing section, with a first axial end and a second axial end and with a longitudinal center axis. Arranged in the receiving space of the housing section is an axial blower for generating a blower air flow, the axial blower being driven by a drive motor. The receiving space has an intake opening at its first axial end and a discharge opening at its second axial end. In order to reduce operating noise, an air guide plate is arranged at an axial distance in front of the intake opening, the air guide plate having external dimensions that are greater than the external dimensions of the intake opening. An annular gap that supplies intake air is formed between the air guide plate and an outer periphery of the housing section.

Abstract: A method docks an autonomous mobile green area maintenance robot to a docking station. An electrical conductor arrangement runs in the region of the docking station, wherein the conductor arrangement is designed such that a periodic current flows through the conductor arrangement, wherein the current generates a periodic magnetic field. The green area maintenance robot has two magnetic field sensors, wherein the two magnetic field sensors are designed such that the magnetic field respectively causes a periodic sensor signal in the magnetic field sensors. The method has the steps of: determining a phase shift between the two sensor signals or signals based on the sensor signals, and controlling movement of the green area maintenance robot for docking on the basis of the determined phase shift.