3321989

Information

• Patent Grant
• 3321989

• References
• Source

• Patent Number

  3,321,989

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1967
  57 years ago

• CPC

  • F16H57/031 - characterised by covers or lids for gearboxes
  • F16H1/20 - involving more than two intermeshing members
  • F16H3/02 - without gears having orbital motion
  • F16H57/028 - characterised by means for reducing vibration or noise
  • F16H2057/02073 - Reduction gearboxes for industry
  • F16H2057/02091 - Measures for reducing weight of gearbox
  • F16H2714/00 - Different types speed-changing mechanisms for toothed gearing
  • Y10T74/19907 - Sound deadening

• US Classifications

  • 074 - Machine element or mechanism