1859372

Information

• Patent Grant
• 1859372

• References
• Source

• Patent Number

  1,859,372

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1932
  92 years ago

• CPC

  • B21D43/04 - by means in mechanical engagement with the work
  • Y10T83/4635 - Comprises element entering aperture in, or engaging abutment surface on, work
  • Y10T83/5815 - Work-stop abutment
  • Y10T83/658 - With projections on work-carrier [e.g., pin wheel]
  • Y10T83/6665 - Spring or gravity urged

• US Classifications

  • 083 - Cutting
  • 470 - Threaded, headed fastener, or washer making: process and apparatus