Patents by Inventor Jens Blum
Jens Blum 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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Publication number: 20220281082Abstract: The disclosure relates to a method for operating a handheld power tool having an electric motor, the method comprising: S1 providing at least one model signal waveform that is associated with a work progress of the handheld power tool; S2 determining a signal of an operating variable of the electric motor; S3 comparing the signal of the operating variable with the model signal waveform and determining a conformity evaluation on the basis thereof; S4 identifying the work progress at least partially using the conformity evaluation; S5 executing a first routine of the handheld power tool at least partially on the basis of the work progress identified in method step S4. The disclosure also relates to a handheld power tool, in particular an impact driver, comprising an electric motor and a control unit, wherein the control unit is designed to carry out a method according to the disclosure.Type: ApplicationFiled: July 8, 2020Publication date: September 8, 2022Inventors: Jens Blum, Stefan Mock, Florian Hoelscher, Dietmar Saur, Simon Erbele, Wolfgang Herberger, Tobias Herr
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Publication number: 20220111506Abstract: A hand-held power tool includes a drive unit actuatable via at least one manual switch, a control unit at least for controlling the drive unit, the control unit having a control-unit housing. The power tool further includes at least one user interface having at least one operating element, and a housing that at least partially accommodates the control unit and the user interface. The hand-held power tool also includes a positioning device, the user interface being supported on the control-unit housing by use of the positioning device.Type: ApplicationFiled: October 4, 2021Publication date: April 14, 2022Inventors: Tobias Herr, Jens Blum, Simon Erbele
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Publication number: 20210362282Abstract: A hand-held power tool including a drive unit. The drive unit is actuatable with the aid of at least one manual switch, The hand-held power tool also includes a housing and at least one user interface, the user interface including at least one operating element. The user interface includes at least one work location illumination unit, the work location illumination unit including at least one illuminant and at least one light guiding element.Type: ApplicationFiled: February 4, 2019Publication date: November 25, 2021Inventors: Tobias Herr, Dietmar Saur, Heiko Roehm, Jens Blum, Michael Wieler, Simon Erbele
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Patent number: 11179840Abstract: A hand-held power-tool device is described as including at least one intermediate shaft, which is formed as a planet wheel carrier and includes a plurality of planet wheel receptacles and planet wheel bearing points situated in the circumferential direction. It is provided that the intermediate shaft includes at least one material recess at least in the area of at least one planet wheel bearing point on its outer circumference.Type: GrantFiled: July 11, 2017Date of Patent: November 23, 2021Assignee: Robert Bosch GmbHInventors: Tobias Herr, Jens Blum
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Patent number: 11148275Abstract: A handheld power-tool device is described as including a drive unit, which includes at least one driveshaft, and at least one rotary striking mechanism, which includes at least one intermediate shaft aligned at least essentially flush with respect to the driveshaft, and at least one bearing for mounting the driveshaft. It is provided that the bearing is situated at least partially in a plane, which intersects the intermediate shaft and extends at least essentially perpendicularly with respect to the intermediate shaft.Type: GrantFiled: July 11, 2017Date of Patent: October 19, 2021Assignee: Robert Bosch GmbHInventors: Tobias Herr, Dietmar Saur, Jens Blum
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Publication number: 20210252680Abstract: A hand-held power tool including a drive unit and including an output shaft, at which a tool holder is formed, which encompasses an internal polygonal holder for connection to a first insertion tool and an external polygonal holder for connection to a second insertion tool, a locking unit for locking the first insertion tool being assigned to the tool holder. It is provided that the locking unit includes at least one locking element, the locking element encompassing at least one contact surface, against which the second insertion tool rests.Type: ApplicationFiled: February 4, 2019Publication date: August 19, 2021Inventors: Tobias Herr, Dietmar Saur, Jens Blum
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Patent number: 10960529Abstract: A hand-held power-tool device including at least one drive housing, at least one striking mechanism housing, and at least one rotary striking mechanism, which includes at least one planetary gear including at least one annulus gear. It is provided that the annulus gear is clamped between the drive housing and the striking mechanism housing.Type: GrantFiled: July 11, 2017Date of Patent: March 30, 2021Assignee: Robert Bosch GmbHInventors: Tobias Herr, Dietmar Saur, Heiko Roehm, Jens Blum
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Patent number: 10894312Abstract: A machine tool system includes at least one portable machine tool and at least one energy storage apparatus. The at least one portable machine tool includes at least one tool receptacle configured to be arrange a machining tool, and at least one receiving interface. The at least one energy storage apparatus is configured to be arranged on the at least one receiving interface of the at least one portable machine tool. At least in a state when the at least one energy storage apparatus is arranged on the at least one receiving interface, the at least one energy storage apparatus is arranged at least for the most part within a boundary region of the at least one tool receptacle.Type: GrantFiled: November 9, 2015Date of Patent: January 19, 2021Assignee: Robert Bosch GmbHInventors: Jens Blum, Heiko Roehm, Joerg Welke, Tobias Herr
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Patent number: 10661421Abstract: In a tool attachment for a handheld power tool, which includes a tool housing having a fastening interface, having an attachment housing, on which a locking unit, for locking the tool attachment on the fastening interface of the handheld power tool, and a tool receptacle for accommodating an insert tool are situated, a percussion mechanism is situated in the attachment housing, which is configured to apply percussions carried out in the axial direction in relation to the tool receptacle to an insert tool, which is situated in the tool receptacle, during percussion operation of the tool attachment, the tool receptacle being fixed in position in the attachment housing in a non-rotating way at least during percussion operation.Type: GrantFiled: March 14, 2016Date of Patent: May 26, 2020Assignee: Robert Bosch GmbHInventors: Jens Blum, Heiko Roehm, Tobias Herr
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Patent number: 10434635Abstract: A handheld machine tool, in particular a battery-driven handheld machine tool, having a gear unit and a cooling air unit. The cooling air unit is provided to route a flow of cooling air for cooling the gear unit past at least one gear element of the gear unit.Type: GrantFiled: December 16, 2010Date of Patent: October 8, 2019Assignee: Robert Bosch GmbHInventors: Jens Blum, Dietmar Saur, Tobias Herr
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Publication number: 20190291258Abstract: A hand-held power-tool device including at least one drive housing, at least one striking mechanism housing, and at least one rotary striking mechanism, which includes at least one planetary gear including at least one annulus gear. It is provided that the annulus gear is clamped between the drive housing and the striking mechanism housing.Type: ApplicationFiled: July 11, 2017Publication date: September 26, 2019Inventors: Tobias Herr, Dietmar Saur, Heiko Roehm, Jens Blum
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Publication number: 20190291259Abstract: A handheld power-tool device is described as including a drive unit, which includes at least one driveshaft, and at least one rotary striking mechanism, which includes at least one intermediate shaft aligned at least essentially flush with respect to the driveshaft, and at least one bearing for mounting the driveshaft. It is provided that the bearing is situated at least partially in a plane, which intersects the intermediate shaft and extends at least essentially perpendicularly with respect to the intermediate shaft.Type: ApplicationFiled: July 11, 2017Publication date: September 26, 2019Inventors: Tobias Herr, Dietmar Saur, Jens Blum
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Patent number: 10399217Abstract: In a handheld machine tool having a tool housing, in which a drive motor is situated for driving a drive element equipped with at least one clamping surface, to which a spindle-locking device equipped with a blocking element and at least one spindle cylinder is assigned, the at least one spindle cylinder being able to be clamped in a spindle-lock operation of the spindle-locking device between the at least one clamping surface and the blocking element in order to prevent the drive element from rotating relative to the tool housing, the spindle-locking device has an impingement element, which is developed to impinge on the at least one spindle cylinder with a specified force in the direction of the at least one clamping surface.Type: GrantFiled: June 24, 2014Date of Patent: September 3, 2019Assignee: Robert Bosch GmbHInventors: Jens Blum, Tobias Herr
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Publication number: 20190240825Abstract: A hand-held power-tool device is described as including at least one intermediate shaft, which is formed as a planet wheel carrier and includes a plurality of planet wheel receptacles and planet wheel bearing points situated in the circumferential direction. It is provided that the intermediate shaft includes at least one material recess at least in the area of at least one planet wheel bearing point on its outer circumference.Type: ApplicationFiled: July 11, 2017Publication date: August 8, 2019Applicant: Robert Bosch GmbHInventors: Tobias HERR, Jens BLUM
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Publication number: 20190184528Abstract: An attachment device for mounting to a handheld power tool, including a tool fixture for receiving an insertable tool, and including at least one rotary impact mechanism, which, in at least one operating state, is configured to generate a rotary impact pulse for an impact drive of the tool fixture. The rotary impact mechanism includes at least one planetary gear set, which is configured to convert a rotational speed and/or a torque of an output shaft of the handheld power tool to a rotational speed and/or a torque of the tool fixture.Type: ApplicationFiled: July 17, 2017Publication date: June 20, 2019Applicant: Robert Bosch GmbHInventors: Tobias HERR, Dietmar SAUR, Jens BLUM
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Patent number: 10259111Abstract: A tool attachment for a handheld power tool that has a housing having a fastening interface includes: an attachment housing on which there is situated a locking unit for locking the tool attachment on the fastening interface of the handheld power tool; a tool receptacle for accommodating an insertion tool; and a hammer mechanism situated in the attachment housing, which hammer mechanism is configured to apply an impact in the axial direction of the tool receptacle on the insertion tool, during hammer operation of the tool attachment.Type: GrantFiled: March 24, 2014Date of Patent: April 16, 2019Assignee: ROBERT BOSCH GMBHInventors: Tobias Herr, Dietmar Saur, Joerg Welke, Heiko Roehm, Jens Blum
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Patent number: 10011008Abstract: A tool system having a hand-held machine tool including a tool holder for receiving an insert tool; and a mounting interface configured for mounting thereon: an angle attachment that includes an angle locking section for locking on the mounting interface and an angle drive unit; and an eccentric attachment that includes an eccentric locking section for locking on the mounting interface and an eccentric drive unit.Type: GrantFiled: August 15, 2014Date of Patent: July 3, 2018Assignee: ROBERT BOSCH GMBHInventors: Tobias Herr, Dietmar Saur, Gerald Fischer, Joerg Welke, Jens Blum, Andreas Necker, Torsten Tussing
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Publication number: 20170348842Abstract: A machine tool system includes at least one portable machine tool and at least one energy storage apparatus. The at least one portable machine tool includes at least one tool receptacle configured to be arrange a machining tool, and at least one receiving interface. The at least one energy storage apparatus is configured to be arranged on the at least one receiving interface of the at least one portable machine tool. At least in a state when the at least one energy storage apparatus is arranged on the at least one receiving interface, the at least one energy storage apparatus is arranged at least for the most part within a boundary region of the at least one tool receptacle.Type: ApplicationFiled: November 9, 2015Publication date: December 7, 2017Inventors: Jens Blum, Heiko Roehm, Joerg Welke, Tobias Herr
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Patent number: 9827660Abstract: A hand tool device includes: a striking mechanism which has a striker, a striker driving device, and a striker arresting device. In the case of a first drill rotation direction, the striker driving device is configured to propel the striker in at least a striking direction. The striker arresting device is configured to prevent the striker driving device from being operated in the case of a second drill rotation direction.Type: GrantFiled: December 26, 2012Date of Patent: November 28, 2017Assignee: ROBERT BOSCH GMBHInventors: Jens Blum, Heiko Roehm, Tobias Herr
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Patent number: 9751204Abstract: The invention is based on a hand-held power tool device equipped with a locking device. The locking device is provided for locking an output device and has at least one locking element for supporting at least one radial clamping force. According to a proposed embodiment, the locking element is provided to fasten and/or axially secure at least one component.Type: GrantFiled: December 19, 2014Date of Patent: September 5, 2017Assignee: ROBERT BOSCH GMBHInventors: Jens Blum, Heiko Roehm, Tobias Herr