The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2020
Filed:
Mar. 28, 2016
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25D 11/00 (2006.01); B25D 16/00 (2006.01); B25F 5/00 (2006.01);
U.S. Cl.
CPC ...
B25D 16/003 (2013.01); B25F 5/001 (2013.01); B25D 2250/141 (2013.01); B25D 2250/145 (2013.01); B25D 2250/165 (2013.01); B25D 2250/221 (2013.01); B25D 2250/371 (2013.01);
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.