Portable power tool
US7306046B2 · kind B2 · utility
18Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2004 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Apr 11, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25F5/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hand power tool has an electric motor, which is located in a housing and by way of which a tool insert located in a tool retainer is drivable in rotation, a guard device with which an uncontrollable blockage of the tool insert is detectable via a sensor unit and with which the housing is blockable in its motion; the guard device includes a mechanical unlocking unit that is manually actuatable by a user's action force, and gear is actuatable via an on/off switch for actuating the unlocking unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.