Portable power tool with rotating output shaft and overload protection
US7134509B2 · kind B2 · utility
21Cited by
13References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 15, 2002 |
| Grant date | Nov 14, 2006 |
| Priority date | — |
| Expiry date | Oct 15, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D43/208
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A portable power tool is provided which includes a rotation motor (11), an output shaft (14), a gearing (13) and a drive spindle (12; 112) connecting the gearing (13) to the motor (11). A drive line arresting lock device (17; 117) is provided to facilitate loosening and/or tightening of a working implement mounting device (15), and a releasable safety clutch (23; 123) is provided between the lock device (17; 117) and the gearing (13) for protecting the gearing (13) against transmission of detrimental excessive torque magnitudes manually applied on the output shaft/mounting device (14, 15).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.