2853903

Information

• Patent Grant
• 2853903

• References
• Source

• Patent Number

  2,853,903

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1958
  66 years ago

• CPC

  • B23B41/14 - for very small holes
  • Y10S408/704 - Drilling small holes
  • Y10T74/173 - Screw and nut adjusting means
  • Y10T408/14 - Responsive to condition of Tool or tool-drive
  • Y10T408/23 - including means to cause Tool to progressively vibrate toward work
  • Y10T408/6776 - Actuated by Tool movement

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 074 - Machine element or mechanism