2988377

Information

• Patent Grant
• 2988377

• References
• Source

• Patent Number

  2,988,377

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1961
  63 years ago

• CPC

  • B60N2/502 - attached to the base of the seat
  • A47C3/025 - with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
  • B60G11/27 - wherein the fluid is a gas
  • B60G11/62 - having both rubber springs and fluid springs
  • B60G15/00 - Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper
  • B60G17/0528 - Pressure regulating or air filling valves
  • B60N2/38 - specially constructed for use on tractors or like off-road vehicles
  • B60N2/505 - Adjustable suspension including height adjustment
  • B60N2/525 - using gas
  • B60N2/542 - made of rubber or other material having high internal friction
  • B60N2/7082 - with air or fluid cushions
  • F16F9/0472 - characterised by comprising a damping device
  • F16F9/049 - multi-chamber units
  • F16F9/512 - Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper

• US Classifications

  • 280 - Land vehicles
  • 267 - Spring devices