2493299

Information

• Patent Grant
• 2493299

• References
• Source

• Patent Number

  2,493,299

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1950
  75 years ago

• CPC

  • B23Q5/18 - Devices for preselecting speed of working-spindle
  • F16H61/0274 - Control units where shifting is directly initiated by the driver
  • B23Q2705/08 - Devices for preselecting speed in gear boxes of lathes
  • F16H2708/24 - with a preselection system, mainly semi-automatic
  • Y10T74/1808 - Phonograph type
  • Y10T74/19265 - Governor
  • Y10T74/19433 - Fluid operated
  • Y10T82/2554 - Speed changing gear

• US Classifications

  • 192 - Clutches and power-stop control
  • 074 - Machine element or mechanism
  • 082 - Turning