Grounded isolation system
US6937450B1 · kind B1 · utility
8Cited by
15References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1999 |
| Grant date | Aug 30, 2005 |
| Priority date | — |
| Expiry date | Sep 28, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23Q5/58
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A system for electrically isolating and indicating electrical isolation of a machine including a plurality of relays which cooperate to, when electrical isolation is selected, ground voltage input lines to the machine thereby ensuring that no power is provided to the machine during operator access thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.