431578

Information

• Patent Grant
• 431578

• References
• Source

• Patent Number

  431,578

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1890
  134 years ago

• CPC

  • B24B9/00 - Machines or devices designed for grinding edges or bevels on work or for removing burrs Accessories therefor
  • B23Q1/5437 - and in which the degree of freedom, which belongs to the working surface, is perpendicular to this surface
  • Y10T82/143 - having electrical actuator
  • Y10T82/148 - Pivoted tool rest
  • Y10T409/500492 - including provision for circumferential relative movement of cutter and work

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 082 - Turning