Patent · US Expired

Switch mechanism for operating a plasma arc torch, other tools or weapons

US5597497A · kind A · utility

60Cited by
7References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1994
Grant dateJan 28, 1997
Priority date
Expiry dateDec 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.