3136874

Information

• Patent Grant
• 3136874

• References
• Source

• Patent Number

  3,136,874

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1964
  60 years ago

• CPC

  • H01H33/123 - in which the auxiliary contact pivots on the main contact-arm and performs a delayed and accelerated movement
  • H01H33/12 - Auxiliary contacts on to which the arc is transferred from the main contacts
  • H01H33/77 - wherein the break is in air at atmospheric pressure
  • H01H2033/085 - using a flat arc chute, the width of arc chamber being only slightly greater then thickness of switch blade

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices