3670661

Information

• Patent Grant
• 3670661

• References
• Source

• Patent Number

  3,670,661

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • F16F3/12 - the steel spring being in contact with the rubber spring
  • B61F5/20 - with springs allowing transverse movements
  • B61F5/24 - Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes

• US Classifications

  • 105 - Railway rolling stock
  • 384 - Bearings