2697153

Information

• Patent Grant
• 2697153

• References
• Source

• Patent Number

  2,697,153

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1954
  70 years ago

• CPC

  • H01H33/76 - wherein arc-extinguishing gas is evolved from stationary parts Selection of material therefor
  • H01H3/3052 - Linear spring motors
  • H01H33/126 - being operated by the distal end of a sectionalising contact arm
  • H01H2003/3084 - Kinetic energy of moving parts recuperated by transformation into potential energy in closing or opening spring to be used in next operation

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 200 - Electricity: circuit makers and breakers
  • 267 - Spring devices