Patents by Inventor Jan Kurzenberger
Jan Kurzenberger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11968932Abstract: A garden and/or forestry system has a hand-held gardening and/or forestry processing apparatus, and an assistance device, which is formed separately from the gardening and/or forestry processing apparatus and which is designed to support a user in operation of the gardening and/or forestry processing apparatus. The assistance device has a user interface, by which the assistance device is controllable by user inputs. The hand-held gardening and/or forestry processing apparatus has a user-actuable operator control element for user inputs to the user interface.Type: GrantFiled: July 4, 2018Date of Patent: April 30, 2024Assignee: Andreas Stihl AG & Co. KGInventors: Oliver Gerstenberger, Maximilian Eberhardt, Jan Kurzenberger, Benjamin Frey
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Publication number: 20210235626Abstract: A garden and/or forestry system has a hand-held gardening and/or forestry processing apparatus, and an assistance device, which is formed separately from the gardening and/or forestry processing apparatus and which is designed to support a user in operation of the gardening and/or forestry processing apparatus. The assistance device has a user interface, by which the assistance device is controllable by user inputs. The hand-held gardening and/or forestry processing apparatus has a user-actuable operator control element for user inputs to the user interface.Type: ApplicationFiled: July 4, 2018Publication date: August 5, 2021Inventors: Oliver GERSTENBERGER, Maximilian EBERHARDT, Jan KURZENBERGER, Benjamin FREY
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Patent number: 10800065Abstract: 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.Type: GrantFiled: May 3, 2019Date of Patent: October 13, 2020Assignee: Andreas Stihl AG & Co. KGInventors: Günter Wolf, Jan Kurzenberger, Holger Vollmer, Marcel Förster, Ulrich Kapinsky
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Patent number: 10525611Abstract: A handheld work apparatus has a combustion engine with a cylinder. A removable cover is fixed via a closure. The closure includes a tensioning element rotatable about a rotational axis and, in the locked position of the closure, is supported on a tension contour. The closure has a damping element. The damping element is held on a section of the cylinder in the axial direction of the rotational axis. During rotation from unlocked into locked position, the tensioning element is moved by the tension contour in the axial direction of the rotational axis. In the locked position of the closure, the tensioning element clamps the section of the cylinder in the axial direction of the rotational axis between a first abutment and a second abutment of the damping element. In the unlocked position of the closure, the tensioning element is held on the damping element on the cylinder.Type: GrantFiled: September 17, 2018Date of Patent: January 7, 2020Assignee: Andreas Stihl AG & Co. KGInventors: Jan Kurzenberger, Ulrich Kapinsky, Roland Hartinger
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Publication number: 20190255727Abstract: 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.Type: ApplicationFiled: May 3, 2019Publication date: August 22, 2019Inventors: Günter Wolf, Jan Kurzenberger, Holger Vollmer, Marcel Förster, Ulrich Kapinsky
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Patent number: 10322519Abstract: A hand-guided power tool has a power tool housing and an internal combustion engine arranged in the power tool housing and configured to drive 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 of the power tool 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 is positioned laterally adjacent to the fuel tank device, when viewing the power tool in the usual parking position.Type: GrantFiled: December 13, 2016Date of Patent: June 18, 2019Assignee: Andreas Stihl AG & Co. KGInventors: Günter Wolf, Jan Kurzenberger, Holger Vollmer, Marcel Förster, Ulrich Kapinsky
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Publication number: 20190084179Abstract: A handheld work apparatus has a combustion engine with a cylinder. A removable cover is fixed via a closure. The closure includes a tensioning element rotatable about a rotational axis and, in the locked position of the closure, is supported on a tension contour. The closure has a damping element. The damping element is held on a section of the cylinder in the axial direction of the rotational axis. During rotation from unlocked into locked position, the tensioning element is moved by the tension contour in the axial direction of the rotational axis. In the locked position of the closure, the tensioning element clamps the section of the cylinder in the axial direction of the rotational axis between a first abutment and a second abutment of the damping element. In the unlocked position of the closure, the tensioning element is held on the damping element on the cylinder.Type: ApplicationFiled: September 17, 2018Publication date: March 21, 2019Inventors: Jan Kurzenberger, Ulrich Kapinsky, Roland Hartinger
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Publication number: 20170165863Abstract: A hand-guided power tool has a power tool housing and an internal combustion engine arranged in the power tool housing and configured to drive 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 of the power tool 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 is positioned laterally adjacent to the fuel tank device, when viewing the power tool in the usual parking position.Type: ApplicationFiled: December 13, 2016Publication date: June 15, 2017Inventors: Günter Wolf, Jan Kurzenberger, Holger Vollmer, Marcel Förster
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Patent number: 9623547Abstract: A handheld work apparatus has a motor unit comprising a drive motor. The drive motor drives a tool of the work apparatus, for example a saw chain. The apparatus has a grip unit with a handle that is vibrationally decoupled from the motor unit via an antivibration element. The antivibration element is connected to a first component of the grip unit via a holding device and a second component of the motor unit via a holding element. Arranged in the connection of the first component to the second component through the antivibration element is a predetermined breaking point formed in a third component that is replaceable independently of the first component and the second component. The strength of the connection of the first component to the second component through the antivibration element is lowest at this predetermined breaking point.Type: GrantFiled: July 28, 2014Date of Patent: April 18, 2017Assignee: ANDREAS STIHL AG & CO. KGInventors: Jan Kurzenberger, Jens Knauβ, Johannes Menzel, Sebastian Friedrich
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Patent number: 9561599Abstract: A hand-held work implement comprises a housing, at least one tool and a combustion engine for driving the tool. The combustion engine has a cylinder and has a piston which drives a crankshaft in rotation about an axis of rotation. The crankshaft drives a fan impeller. The work implement has a handle unit with a handle bar and has an engine unit, these being connected to one another via anti-vibration elements. The combustion engine has a transverse plane which encompasses the cylinder longitudinal axis and which runs parallel to the axis of rotation of the crankshaft. The transverse plane divides the work implement into a front region, in which a section of the tool that projects out of the housing is arranged, and a rear region. The fixing of the anti-vibration element to the cylinder is realized in the front region.Type: GrantFiled: July 28, 2014Date of Patent: February 7, 2017Assignee: ANDREAS STIHL AG & CO. KGInventors: Jan Kurzenberger, Jens Knauβ, Johannes Menzel, Sebastian Friedrich
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Patent number: 9528450Abstract: A hand-held power tool has an internal combustion engine provided with a throttle trigger adjustable between an idle position and a full throttle position. The engine has an operating mode selector adjustable between an operating position and a start position. In an intake passage of the engine, a throttle element is arranged that is in a throttling position when the operating mode selector is in the start position. The throttle element is secured in the throttling position by a locking action. The locking action is released when the throttle trigger is moved from the idle position toward the full throttle position. A restoring element is coupled permanently to the position of the throttle trigger. The restoring element, when the throttle trigger is moved for releasing the locking action, acts on the operating mode selector and restores the operating mode selector from the start position into the operating position.Type: GrantFiled: May 15, 2014Date of Patent: December 27, 2016Assignee: Andreas Stihl AG & Co. KGInventors: Jan Kurzenberger, Werner Gräter
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Patent number: 9216517Abstract: A handheld work apparatus has a drive motor (8) that is held in a motor housing (2). At least one handle (4) is provided, with a vibration gap (12) being formed between the handle (4) and the motor housing (2). The vibration gap (12) permits a relative movement between handle (4) and motor housing (2). The handle (4) is connected to the motor housing (2) via at least one anti-vibration device (13, 14, 15, 16, 31, 49, 50, 63) that bridges the vibration gap (12). The anti-vibration device (15, 16, 31, 49, 50, 63) has a longitudinal center axis (23, 24). The anti-vibration device (15, 16, 31, 49, 50, 63) bridges the vibration gap (12) via at least one tension element. The anti-vibration device (15, 16, 31, 49, 50, 63) also has a spring (17, 32, 33, 51, 55, 72, 73) arranged functionally in series with the tension element.Type: GrantFiled: December 21, 2011Date of Patent: December 22, 2015Assignee: Andreas Stihl AG & Co. KGInventors: Jan Kurzenberger, Johannes Menzel, Helmut Lux
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Patent number: 9016246Abstract: In an internal combustion engine (2) of a portable handheld work apparatus, the cylinder (3) is provided with cooling ribs (4, 4?). A cooling airflow is generated by the fan wheel (13) and is guided over the cooling ribs. A carburetor (9) is temperaturized as required by the heated cooling air. A control of the cooling airflow to the carburetor (9) takes place in that an opening (11), which passes the heated cooling air, is selectively closed or opened via a closure element (12). In order to obtain improved cooling of the cylinder during summer operation as well as during winter operation, the closure element (12) is provided with at least one air guide wall which extends essentially transversely to the cooling airflow and causes this cooling air to be partially backed up and deflected.Type: GrantFiled: April 27, 2012Date of Patent: April 28, 2015Assignee: Andreas Stihl AG & Co. KGInventors: Jan Kurzenberger, Thorsten Hecht, Sebastian Hänssler, Stefan Kummermehr
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Publication number: 20150026988Abstract: A hand-held work implement comprises a housing, at least one tool and a combustion engine for driving the tool. The combustion engine has a cylinder and has a piston which drives a crankshaft in rotation about an axis of rotation. The crankshaft drives a fan impeller. The work implement has a handle unit with a handle bar and has an engine unit, these being connected to one another via anti-vibration elements. The combustion engine has a transverse plane which encompasses the cylinder longitudinal axis and which runs parallel to the axis of rotation of the crankshaft. The transverse plane divides the work implement into a front region, in which a section of the tool that projects out of the housing is arranged, and a rear region. The fixing of the anti-vibration element to the cylinder is realized in the front region.Type: ApplicationFiled: July 28, 2014Publication date: January 29, 2015Applicant: ANDREAS STIHL AG & CO. KGInventors: Jan Kurzenberger, Jens Knauß, Johannes Menzel, Sebastian Friedrich
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Publication number: 20150027745Abstract: A handheld work apparatus has a motor unit comprising a drive motor. The drive motor drives a tool of the work apparatus, for example a saw chain. The apparatus has a grip unit with a handle that is vibrationally decoupled from the motor unit via an antivibration element. The antivibration element is connected to a first component of the grip unit via a holding device and a second component of the motor unit via a holding element. Arranged in the connection of the first component to the second component through the antivibration element is a predetermined breaking point formed in a third component that is replaceable independently of the first component and the second component. The strength of the connection of the first component to the second component through the antivibration element is lowest at this predetermined breaking point.Type: ApplicationFiled: July 28, 2014Publication date: January 29, 2015Applicant: ANDREAS STIHL AG & CO. KGInventors: Jan Kurzenberger, Jens Knauß, Johannes Menzel, Sebastian Friedrich
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Publication number: 20140352660Abstract: A hand-held power tool has an internal combustion engine provided with a throttle trigger adjustable between an idle position and a full throttle position. The engine has an operating mode selector adjustable between an operating position and a start position. In an intake passage of the engine, a throttle element is arranged that is in a throttling position when the operating mode selector is in the start position. The throttle element is secured in the throttling position by a locking action. The locking action is released when the throttle trigger is moved from the idle position toward the full throttle position. A restoring element is coupled permanently to the position of the throttle trigger. The restoring element, when the throttle trigger is moved for releasing the locking action, acts on the operating mode selector and restores the operating mode selector from the start position into the operating position.Type: ApplicationFiled: May 15, 2014Publication date: December 4, 2014Applicant: Andreas Stihl AG & Co. KGInventors: Jan Kurzenberger, Werner Gräter
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Publication number: 20120291725Abstract: In an internal combustion engine (2) of a portable handheld work apparatus, the cylinder (3) is provided with cooling ribs (4, 4?). A cooling airflow is generated by the fan wheel (13) and is guided over the cooling ribs. A carburetor (9) is temperaturized as required by the heated cooling air. A control of the cooling airflow to the carburetor (9) takes place in that an opening (11), which passes the heated cooling air, is selectively closed or opened via a closure element (12). In order to obtain improved cooling of the cylinder during summer operation as well as during winter operation, the closure element (12) is provided with at least one air guide wall which extends essentially transversely to the cooling airflow and causes this cooling air to be partially backed up and deflected.Type: ApplicationFiled: April 27, 2012Publication date: November 22, 2012Inventors: Jan Kurzenberger, Thorsten Hecht, Sebastian Hänssler, Stefan Kummermehr
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Publication number: 20120160532Abstract: A handheld work apparatus has a drive motor (8) that is held in a motor housing (2). At least one handle (4) is provided, with a vibration gap (12) being formed between the handle (4) and the motor housing (2). The vibration gap (12) permits a relative movement between handle (4) and motor housing (2). The handle (4) is connected to the motor housing (2) via at least one anti-vibration device (13, 14, 15, 16, 31, 49, 50, 63) that bridges the vibration gap (12). The anti-vibration device (15, 16, 31, 49, 50, 63) has a longitudinal center axis (23, 24). The anti-vibration device (15, 16, 31, 49, 50, 63) bridges the vibration gap (12) via at least one tension element. The anti-vibration device (15, 16, 31, 49, 50, 63) also has a spring (17, 32, 33, 51, 55, 72, 73) arranged functionally in series with the tension element.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Inventors: Jan Kurzenberger, Johannes Menzel, Helmut Lux
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Patent number: 7958946Abstract: A handheld work apparatus has a housing (2) wherein an internal combustion engine (10) and a fuel-metering unit for the engine (10) are mounted. A throttle lever (6) is provided which is pivotally journalled on a handle (3). The handle (3) is connected to the housing (2) via at least one antivibration element (33). A vibration gap (9) is formed between the handle (3) and the housing (2). A transmitting unit (13) is provided for transmitting the pivot movement of the throttle lever (6) to the fuel-metering unit. The transmitting unit (13) includes a rigid transmitting element (17, 77) which bridges the vibration gap (9). The transmitting element (17, 77) is rotatably journalled on at least one bearing (18, 19, 59) and transmits the pivot movement of the throttle lever (6) as a rotation about a rotational axis (22) lying transversely to the vibration gap (9). A first bearing (19, 59) of the transmitting element (17, 77) is located on the fuel-metering unit.Type: GrantFiled: May 9, 2008Date of Patent: June 14, 2011Assignee: Andreas Stihl AG & Co. KGInventors: Jan Kurzenberger, Alexander Kraus
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Publication number: 20100199931Abstract: In an internal combustion engine (2) of a portable handheld work apparatus, the cylinder (3) is provided with cooling ribs (4, 4?). A cooling airflow is generated by the fan wheel (13) and is guided over the cooling ribs. A carburetor (9) is temperaturized as required by the heated cooling air. A control of the cooling airflow to the carburetor (9) takes place in that an opening (11), which passes the heated cooling air, is selectively closed or opened via a closure element (12). In order to obtain improved cooling of the cylinder during summer operation as well as during winter operation, the closure element (12) is provided with at least one air guide wall which extends essentially transversely to the cooling airflow and causes this cooling air to be partially backed up and deflected.Type: ApplicationFiled: February 9, 2010Publication date: August 12, 2010Inventors: Jan Kurzenberger, Thorsten Hecht, Sebastian Hänssler, Stefan Kummermehr