847742

Information

• Patent Grant
• 847742

• References
• Source

• Patent Number

  847,742

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1907
  117 years ago

• CPC

  • B23B29/03425 - by means of gears and racks
  • Y10T408/57 - Tool-support with means to receive tool-position indicator
  • Y10T408/856 - Moving means including pinion engaging rack-like surface of Tool
  • Y10T408/904 - with pitch-stabilizing ridge

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 175 - Boring or penetrating the earth