2402831

Information

• Patent Grant
• 2402831

• References
• Source

• Patent Number

  2,402,831

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1946
  78 years ago

• CPC

  • B28D5/021 - by drilling
  • Y10T408/23 - including means to cause Tool to progressively vibrate toward work
  • Y10T408/488 - Driven by lever or connecting link
  • Y10T408/92 - with counterweight mechanism

• US Classifications

  • 125 - Stone working
  • 408 - Cutting by use of rotating axially moving tool