Invention Grant
- Patent Title: Handheld power tool
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Application No.: US15763514Application Date: 2016-10-14
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Publication No.: US10682752B2Publication Date: 2020-06-16
- Inventor: Joachim Hecht , Michael Hopp
- Applicant: Robert Bosch GmbH
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agency: Norton Rose Fulbright US LLP
- Agent Gerard Messina
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@11ae2e7e com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@1bc72762
- International Application: PCT/EP2016/074653 WO 20161014
- International Announcement: WO2017/064225 WO 20170420
- Main IPC: B25F5/00
- IPC: B25F5/00 ; B25B23/14 ; B25B23/147 ; F16D7/00 ; F16D43/02 ; B25B21/00

Abstract:
A handheld power tool includes a torque coupling adjustable by the operator, as well as a gear unit for transmitting a torque generated by a drive motor to a drive shaft. The gear unit is advantageously a planetary gear unit; the torque coupling being constructed in such a manner, that in response to slippage of the torque coupling, a coupling component follows a displacement path. The handheld power tool further includes a control unit and a sensor, the sensor monitoring the coupling component for a displacement and transmitting corresponding sensor signals to the control unit. The control unit is configured to control, in particular, switch off, the drive motor as a function of the sensor signals received. It is further provided that the control unit subject the received sensor signals to a plausibility check, in order to determine if actual slippage of the torque coupling is occurring.
Public/Granted literature
- US20180272516A1 HANDHELD POWER TOOL Public/Granted day:2018-09-27
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