2641938

Information

• Patent Grant
• 2641938

• References
• Source

• Patent Number

  2,641,938

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1953
  71 years ago

• CPC

  • B23Q5/18 - Devices for preselecting speed of working-spindle
  • B23Q2705/08 - Devices for preselecting speed in gear boxes of lathes
  • Y10S82/903 - Balancing and centering
  • Y10T29/5179 - Speed controller
  • Y10T74/19437 - Electrically operated
  • Y10T82/2547 - Change gears
  • Y10T477/347 - Condition responsive engine control

• US Classifications

  • 477 - Interrelated power delivery controls, including engine control
  • 029 - Metal working
  • 074 - Machine element or mechanism
  • 082 - Turning