Switch mechanism for operating a plasma arc torch, other tools or weapons
US5597497A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1994 |
| Grant date | Jan 28, 1997 |
| Priority date | — |
| Expiry date | Dec 20, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/3473
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A switch mechanism with a safety member for operating a tool or a weapon which reduces the probability of inadvertent operation. The switch mechanism comprises a trigger and a safety member disposed adjacent to the trigger for preventing the trigger from contacting an actuation switch. The safety member is shaped such that when it is positioned in a first position, it prevents the trigger from contacting the switch. In addition, the safety member is shaped such that when the safety member is positioned in a second position, it allows the trigger to contact the actuation switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.