Patents Assigned to Andreas Stihl AG & Co. KG
  • Patent number: 11967844
    Abstract: A charger housing has an operating side, at least one battery charging port, which is accessible from the operating side, and a first fastening region, on the outer side of the housing, on a first fastening side which is different from the operating side. The first fastening region is designed for detachably fastening the charger housing to a fastening support and has one or more first fastening elements. The charger housing also has a second fastening region, on the outer side of the housing, on a second fastening side which is different from the operating side and the first fastening side. The second fastening region is designed for detachably fastening the charger housing to a fastening support and has one or more second fastening elements. Use may be as a housing of a charger for recharging battery packs for electric gardening and forestry working apparatus.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: April 23, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Michael Fuchs, Charis Hellmann
  • Patent number: 11958155
    Abstract: The invention is directed to a handheld work apparatus having a work tool. The work apparatus defines a longitudinal plane and includes a handle having a longitudinal axis. The blocking lever is mounted so as to be pivotable about a rotational axis. The blocking lever blocks the actuating lever in a blocking or disable position and enables the actuating lever for actuation in at least one operating enable position. In the direction of view perpendicular to the longitudinal plane, the longitudinal axis of the handle and the rotational axis of the blocking lever conjointly define an angle (?). The angle (?) lies in a range of from 10° to 60°.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: April 16, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Felix Oberhofer, Marcus Jenke, Franziska Kern, Thomas Maier, Verena Mann, Lars Bathke, Roland Mandel, Benedikt Posner
  • Patent number: 11960265
    Abstract: A method adapts an apparatus to a motor-driven tool from a set of different types of motor-driven tools. The apparatus is arranged on the tool. The method has the steps of: capturing an identifier of the tool by way of the apparatus, and transmitting an item of type-specific configuration information from a database to the apparatus on the basis of the captured identifier in such a manner that the apparatus is designed to process operating data of the tool in a type-specific manner.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: April 16, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Michael Kaiser, Andre Vaas, Kay-Steffen Gurr
  • Publication number: 20240120764
    Abstract: A device for charging a battery pack includes a first battery compartment for a first battery pack and at least one second battery compartment for a further battery pack. The device is connected to a service voltage via a power supply unit. A voltage regulator is connected to the power supply and has a power output connected to the battery compartment. To charge battery packs with different performance data in a battery compartment, a first voltage regulator with a first power output for a first maximum charging current and at least one second voltage regulator having a second power output a second maximum charging current are provided. A switch arrangement is provided, which is designed to selectively connect the power output of a voltage regulator to only one battery compartment or the power outputs of at least two voltage regulators can be connected to just one battery compartment.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 11, 2024
    Applicant: Andreas Stihl AG & Co. KG
    Inventors: Thomas Heinrich, Daniel Sauerteig, Leonard Mattheis
  • Patent number: 11952937
    Abstract: A two-stroke engine possesses a cylinder, in the cylinder bore of which a combustion chamber is formed. The combustion chamber is bounded by a reciprocating piston, which drives a crankshaft rotatably mounted in a crankcase. A crankcase interior is fluidically connected to the combustion chamber across at least one transfer channel in at least one position of the piston. The at least one transfer channel emerges with a discharge opening in the crankcase interior and with at least one transfer window on the cylinder bore. It is proposed that all transfer channels have an average length as measured from the discharge opening to the transfer window, the average length being at least 1.5 in relation to the stroke, and that the volume of the crankcase interior including all transfer channels is at most 3.1 in relation to the piston displacement.
    Type: Grant
    Filed: June 13, 2023
    Date of Patent: April 9, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Michael Grether, Robert Koehli, Richard Wirt, Bernd Engel
  • Patent number: 11940316
    Abstract: An optical operating fluid detector for optical detection of operating fluid for a hand-guided garden, forestry and/or construction machining appliance includes a light source, an operating fluid line and a light receiver. The light source is designed for radiation of rays of light. The operating fluid line is designed for optical interaction of rays of light from the light source with operating fluid in line for the optical detection of operating fluid. The light receiver is designed for differing reception of rays of light from the line in dependence on the presence or the absence of operating fluid in the line. The operating fluid detector has an optical deflecting device. The deflecting device is designed for deflection of rays of light from the light source to the operating fluid line and/or for deflection of rays of light from the line to the light receiver.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: March 26, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Alexander Haas, Michael Pulfer
  • Patent number: 11937036
    Abstract: A headset has earmuffs connected by a connection element. The earmuffs have inner sides facing each other and outer sides facing away from each other in a first transverse direction. The earmuffs extend from a bottom side to a top side in a vertical direction. The earmuffs extend from a first to a second longitudinal side in a second transverse direction. At least one of the earmuffs has a positioning pocket at the outer side with a button arranged therein. The positioning pocket extends across a width in second transverse direction that corresponds to at least 50% of a width of the at least one of the earmuffs. The positioning pocket has a bottom end and a top end and extends in vertical direction from the bottom end to the top end. The top end of the positioning pocket forms a stop edge for fingertips of an operator's hand.
    Type: Grant
    Filed: November 28, 2021
    Date of Patent: March 19, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Harald Mang, Maren Langhammer, Julian Danner, Nils Conrad
  • Patent number: 11925140
    Abstract: A trimmer line cutting head has a trimmer line spool rotatably supported about an axis of rotation and disposed slidably between housing and housing cover along the axis of rotation. A spring element pretensions the trimmer line spool in an operating position of the trimmer line cutting head. An indexing device has a terminal stop connecting the trimmer line spool in the operating position to the housing in fixed connection for common rotation of trimmer line spool and housing. By applying an actuating force to the indexing device, the trimmer line spool is adjustable from the operating position axially into an inoperative state of the trimmer line cutting head for paying out trimmer line. The indexing device has a rotational stop formed in a slot in a wall of the trimmer line spool and limiting rotation of the trimmer line spool relative to the housing in the inoperative state.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: March 12, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventor: Achim Rethaber
  • Patent number: 11906954
    Abstract: A method for providing automated assistance with repairing a motor-driven tool, includes the steps of: ascertaining at least one boundary operating condition of the tool, wherein the tool has previously not functioned properly under this boundary operating condition; determining a set of possible fault symptoms, possible causes of faults of the tool, possible repair action instructions, and/or possible replacement parts for the tool, on the basis of the ascertained boundary operating condition; and outputting the determined set of possible fault symptoms, possible causes of faults, possible repair action instructions, and/or possible replacement parts.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: February 20, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Robert Boeker, Martin Bobert
  • Patent number: 11907908
    Abstract: A method and system ascertain information relating to a collection, a start and/or an end of a period spent in a workshop and/or in storage and/or a delivery of a green space and/or cultivated area treatment device. The method involves the steps of: providing a growth characteristic variable, wherein the growth characteristic variable is characteristic for plant growth on and/or in a space/area treated and/or to be treated by way of the green space and/or cultivated area treatment device; and ascertaining the information on the basis of the provided growth characteristic variable.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: February 20, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventor: Robert Boeker
  • Patent number: 11890651
    Abstract: A venting device with a splash guard for deflection of splashing water entering the interior of the venting device has slats with a front section arranged at the exterior. Venting slots are formed between the front sections. At least one of the slats has a deflection section arranged at the interior and a central section connecting deflection section and front section. The front section and the deflection section are angled relative to the central section. The front section of the at least one slat in the operating position of the venting device extends from the central section toward the top side. The deflection section extends in the operating position from the central section toward the bottom side. The deflection section has a region oriented at an angle of less than 90° relative to the central section. A power tool with such a venting device is provided.
    Type: Grant
    Filed: October 18, 2020
    Date of Patent: February 6, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Philipp Werner, Jens Knauß, Yannik Baumhackl, David Beck
  • Patent number: 11877542
    Abstract: A backpack blower has a backpack with a load-bearing frame, a blower tube with a backpack-side tube section which is held on a rear side of the load-bearing frame, and a hand-side tube section which extends past a first side region of the load-bearing frame, a drive motor, an energy source for the drive motor, and an axial fan which is driven by the drive motor, has an axial fan axis, and is arranged in the backpack-side tube section of the blower tube. The backpack-side tube section of the blower tube runs with a main direction component in a backpack transverse direction of the load-bearing frame and has an axial blower tube end termination which projects laterally beyond a second side region of the load-bearing frame, which second side region faces away from the first side region, and/or is surrounded at least on a part of its circumference by a protective ring element which is connected to the load-bearing frame. The blower may be an electric leaf blower.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: January 23, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Andreas Dettling, Dennis Karl, Denis Ehrler, Sebastian Friedrich, Simon Klingler
  • Patent number: 11867218
    Abstract: A work apparatus includes a housing part and a stud bolt for fastening a work tool on the housing part. The stud bolt extends along an axial direction and has a first section and a second section in the axial direction. The first section is at least in part arranged in a receptacle of the housing part. The second section protrudes from the housing part in the axial direction. The first section of the stud bolt in a first lower portion thereof has an outer thread which, for transmitting longitudinal forces (L), threadably engages an inner thread of the receptacle to define a threaded connection. The first section for transmitting transverse forces (Q) to the housing part, in a second lower portion thereof, has a support region supported on the receptacle. The support region is disposed at a spacing (a1) from the threaded connection.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: January 9, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventor: Benedikt Posner
  • Patent number: 11864493
    Abstract: A handle for a hand-guided power tool has a shaft with a fastening end and a free end. The fastening end is provided to secure the handle on the power tool. The handle has an outer side that is designed to at least partially support a palm of a hand of a user. An inner side is positioned opposite the outer side at the handle. A thumb support surface is provided at the inner side. The thumb support surface, viewed in a side view of the handle perpendicular to the inner side, is positioned at an angle of at least 20° and at most 70° in relation to a longitudinal axis of the handle at every point of the thumb support surface. A power tool such as a trimmer has a handle bar provided with a handle with such a thumb support surface.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: January 9, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Liv Bicheler, Roland Mandel, Simon Haug
  • Patent number: 11858107
    Abstract: A hand-portable working apparatus has: a working device, at least one handle, and a transport eyelet. The handle is at least partially arranged behind the working device along a longitudinal axis of the working apparatus. At least the handle defines a handle opening, wherein the handle opening extends approximately along the longitudinal axis. The transport eyelet is arranged approximately at or before a front end of the handle opening along the longitudinal axis. At least the transport eyelet defines an eyelet opening, wherein, in an attaching and/or detaching position of the transport eyelet, an eyelet opening normal of the eyelet opening is oriented approximately along a vertical axis of the working apparatus.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: January 2, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventor: Richard Wirt
  • Patent number: 11855494
    Abstract: The disclosure relates to a filter circuit on an electric motor which has electrical connections at a connection end for connection to a supply voltage (U). The filter circuit consists of at least one capacitor bridge arranged between the connections of the electric motor for radio interference suppression. For increased electromagnetic compatibility (EMC), the filter circuit is arranged on a circuit board and held on the connection end of the electric motor. The circuit board has a capacitor bridge with interference suppression capacitors, which is connected between the electrical connections of the electric motor, wherein an interference suppression capacitor has a longitudinal axis between its electrical connections in the longitudinal direction. The interference suppression capacitors are arranged on the circuit board with their longitudinal axes aligned in different spatial directions.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: December 26, 2023
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Philipp Harjung, Martin Fuerst, Alexander Ruehle
  • Publication number: 20230403974
    Abstract: An assembly includes a mowing head (3), an output shaft (8), and a fastening device (10). The output shaft (8) is drivable in rotation about an axis of rotation (9). The assembly (2) has an anti-rotation lock (11) and an axial lock (16). The mowing head (3) is held corotatingly on the output shaft (8) by the anti-rotation lock (11). The axial lock (16) locks the mowing head (3) in a blocking position (30) of the output shaft (8) against a relative movement in the direction of the axis of rotation (9) of the output shaft (8) and in an inoperative position (31) releases the mowing head (3) for detachment from the output shaft (8). The fastening device (10) includes an actuating element (24) accessible to the operator. The axial lock (16) is switchable into the blocking position (30) and into the inoperative position (31) by the actuating element (24).
    Type: Application
    Filed: June 8, 2023
    Publication date: December 21, 2023
    Applicant: Andreas Stihl AG & Co. KG
    Inventors: Timo Förg, Andreas Sorg
  • Patent number: 11835540
    Abstract: A method includes a) operating an inertial sensor device arranged on or in a mobile motor-driven processing device in a motion-monitoring operating mode to monitor whether an inertial variable or a variable based on the inertial variable fulfills a motion criterion, wherein the motion criterion is characteristic of a motion of the processing device, b) if the motion criterion is fulfilled, operating the inertial sensor device in a shock and/or impact-monitoring operating mode to monitor whether the inertial variable or a variable based on the inertial variable fulfills a shock and/or impact criterion, wherein the shock and/or impact criterion is characteristic of an atypical motion of the processing device, and c) if the shock and/or impact criterion is fulfilled, transmitting an information signal via the inertial sensor device and operating the control device as a function of the transmitted information signal.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: December 5, 2023
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Simon Trinkle, Tim Vogt, Mario Buser
  • Patent number: 11813569
    Abstract: An exhaust muffler has an exhaust inlet, an exhaust outlet, as well as a catalytic converter which, in the flow direction, is disposed between the exhaust inlet and the exhaust outlet. The catalytic converter has at least one throughflow body which includes at least one wire body. At least one first component region of the throughflow body is coated with a catalytically functioning coating. The throughflow body moreover has a second component region which in terms of volume has a smaller quantity of catalytically functioning coating than the first component region.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: November 14, 2023
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Niels Kunert, Dietmar Widmann, Martin Christoph Arenz, Michael Dietenberger, Johannes Alber, Jan-Eilert Kueper, Marcus Bonifer, Hans Hildenbrand
  • Patent number: 11811037
    Abstract: A hand-guided, battery-operated working apparatus has an apparatus housing in which is arranged an electric drive motor, a battery tray to accommodate a removable battery pack, and a cooling air guide. The cooling air guide includes an inlet-side air guide portion, which extends from a housing inlet into the battery tray as far as an air outlet from the battery tray, and an outlet-side air guide portion, which leads from the air outlet of the battery tray to the drive motor and, from there, onwards to a housing outlet. The working apparatus has a filter element, which is arranged in the cooling air guide so as to be accessible via the battery tray.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: November 7, 2023
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Georg Heinzelmann, Martin Failenschmid, Frederik Herrmann