3889887

Information

• Patent Grant
• 3889887

• References
• Source

• Patent Number

  3,889,887

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  50 years ago

• CPC

  • A01D75/08 - Sharpening apparatus fixed to the harvester or mower
  • A01D69/06 - Gearings
  • A01F29/22 - Arrangement of knife sharpening devices
  • Y10T74/19079 - Parallel
  • Y10T74/19219 - Interchangeably locked
  • Y10T83/313 - Spatially fixed tool

• US Classifications

  • 241 - Solid material comminution or disintegration
  • 056 - Harvesters
  • 074 - Machine element or mechanism
  • 083 - Cutting
  • 451 - Abrading