2781843

Information

• Patent Grant
• 2781843

• References
• Source

• Patent Number

  2,781,843

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1957
  67 years ago

• CPC

  • B26F1/02 - Perforating by punching
  • Y10T83/387 - Interrelated tool feed means and means to actuate work immobilizer
  • Y10T83/388 - Actuated clamp element and work holder coact to position work
  • Y10T83/40 - Multiple external active tools
  • Y10T83/4617 - Work feed means modified to maintain clearance from tool
  • Y10T83/464 - Means to transport work to work-feed means
  • Y10T83/8755 - One tool resiliently mounted or biased

• US Classifications

  • 083 - Cutting