2949980

Information

• Patent Grant
• 2949980

• References
• Source

• Patent Number

  2,949,980

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1960
  64 years ago

• CPC

  • F16D59/00 - Self-acting brakes
  • H04M1/31 - by interrupting current to generate trains of pulses by periodically opening and closing contacts to generate trains of pulses
  • H04M1/315 - Clutches Spring assemblies Speed regulators

• US Classifications

  • 188 - Brakes