1681994

Information

• Patent Grant
• 1681994

• References
• Source

• Patent Number

  1,681,994

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1928
  96 years ago

• CPC

  • B23F21/122 - having a shape similar to that of a gear or part thereof, with cutting edges situated on the tooth contour lines
  • B23F5/202 - the tool having a shape similar to that of a gear or part thereof, with cutting edges situated on the tooth contour lines
  • B23F13/02 - Making worms of cylindrical shape
  • Y10T407/173 - for cutting involute gear tooth
  • Y10T409/101749 - Process
  • Y10T409/106042 - having axially directed cutting edge
  • Y10T409/107473 - Making a noncircular gear, worm, rotor, or a planar-faced gear

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 407 - Cutters, for shaping
  • 451 - Abrading
  • 470 - Threaded, headed fastener, or washer making: process and apparatus