3678772

Information

• Patent Grant
• 3678772

• References
• Source

• Patent Number

  3,678,772

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1972
  52 years ago

• CPC

  • A01D75/08 - Sharpening apparatus fixed to the harvester or mower
  • A01F29/22 - Arrangement of knife sharpening devices
  • F16H3/00 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
  • F16H2712/00 - Mechanisms for changing direction

• US Classifications

  • 476 - Friction gear transmission systems or components
  • 056 - Harvesters