Invention Grant
- Patent Title: Protective device at least for protecting a user in the event of an uncontrolled blockage of a portable power tool
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Application No.: US15083026Application Date: 2016-03-28
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Publication No.: US10682747B2Publication Date: 2020-06-16
- Inventor: Axel Kuhnle , Lars Schmid , Carsten Diem
- Applicant: Robert Bosch GmbH
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agency: Maginot, Moore & Beck LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@11d26293
- Main IPC: B25D11/00
- IPC: B25D11/00 ; B25D16/00 ; B25F5/00

Abstract:
A protective device at least for protecting a user in the event of an uncontrolled blockage of a portable power tool includes at least one rotationally drivable shaft and at least one wrap-spring-free overload clutch unit which is arranged on the shaft and is configured at least to interrupt transmission of a drive force if a torque limit is exceeded. The protective device further including at least one wrap-spring clutch unit configured to brake the shaft.
Public/Granted literature
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