Electric cutting tool with automatic emergency stop
US11384901B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Nov 20, 2018 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | May 10, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/9645
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A safety cutting tool has an electrically conductive cutting element, an electrically controlled actuating motor drivingly connected to the cutting element, a gripping handle electrically insulated from the cutting element and adapted to receive a hand of an operator therein, a cutting trigger control electrically insulated from the cutting element and adapted to be actuated by the hand of the operator, and an emergency stop device that is able to respond to a contact of the operator with the cutting element. The emergency stop device includes a first manual contact, electrode and a second manual contact electrode with an electrical monitoring circuit connected thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.