2990720

Information

• Patent Grant
• 2990720

• References
• Source

• Patent Number

  2,990,720

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1961
  64 years ago

• CPC

  • F16H35/16 - Mechanisms for movements or movement relations conforming to mathematical formulae
  • F16H37/12 - Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
  • A61H2201/0169 - Noise reduction
  • A61H2201/1215 - Rotary drive
  • A61H2201/14 - Special force transmission means
  • A61H2201/1623 - Back
  • A61H2205/081 - Back
  • Y10T74/18184 - Crank, pitman, and lever
  • Y10T74/18544 - Rotary to gyratory
  • Y10T74/18856 - Oscillating to oscillating
  • Y10T74/22 - Miscellaneous

• US Classifications

  • 074 - Machine element or mechanism
  • 601 - Surgery: kinesitherapy