1976139

Information

• Patent Grant
• 1976139

• References
• Source

• Patent Number

  1,976,139

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1934
  90 years ago

• CPC

  • B23C1/025 - with working-spindle movable in a fixed position
  • Y10T74/19242 - Combined gear and clutch
  • Y10T74/19326 - Fluid operated
  • Y10T409/304984 - Adapted to electrically stimulate control
  • Y10T409/305152 - with means to change rate of infeed

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 074 - Machine element or mechanism