1968479

Information

• Patent Grant
• 1968479

• References
• Source

• Patent Number

  1,968,479

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1934
  91 years ago

• CPC

  • B21D43/11 - for feeding sheet or strip material
  • B23Q7/04 - by means of grippers
  • Y10T83/4503 - Such means drives the work feed means
  • Y10T83/4554 - By change of effective shape of driving or driven surface of element of work-feed mechanism
  • Y10T83/4632 - Comprises a work-moving gripper
  • Y10T83/8855 - With spaced guide pins [e.g., die set leader pins]

• US Classifications

  • 083 - Cutting
  • 059 - Chain, staple, and horseshoe making
  • 226 - Advancing material of indeterminate length