Method for operating a handheld power tool

US12157207B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Jens Blum · Echterdingen, DE
• Stefan Mock · Schwalmtal, DE
• Florian Hoelscher · Stuttgart, DE
• Dietmar Saur · Lingen (Ems), DE
• Simon Erbele · Nufringen, DE
• Wolfgang Herberger · Stuttgart, DE
• Tobias Herr · Stuttgart, DE

Key dates

• Filing date: Jul 8, 2020
• Grant date: Dec 3, 2024
• Expiry date: Mar 4, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B25D2250/255
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

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.