Control device for a power tool and safety tool comprising such a control device
US11130251B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Nov 20, 2018 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Nov 28, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2300/026
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Disclosed are a control device for a power tool and a power tool provided with the control device. The control device includes an operation control interface which is provided with a manually operated controller; an impedance-measuring safety interface, wherein the impedance-measuring interface includes a first manual contact electrode and a second manual contact electrode which are electrically isolated from each other, and wherein the manual contact electrodes are provided on the controller and extend over a manual bearing surface of the controller. The device is suitable for controlling and ensuring the safe use of power tools, especially electrical tools, such as pruning shears.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.