2556940

Information

• Patent Grant
• 2556940

• References
• Source

• Patent Number

  2,556,940

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1951
  73 years ago

• CPC

  • B23D37/16 - for broaching helical grooves
  • Y10T29/49469 - Worm gear
  • Y10T29/5146 - Common reciprocating support for spaced tools
  • Y10T29/5147 - including composite tool
  • Y10T82/30 - Miscellaneous
  • Y10T407/16 - Rectilinear broach
  • Y10T409/4028 - Means for cutting groove
  • Y10T409/404725 - Interrelated with cutter infeed

• US Classifications

  • 029 - Metal working
  • 082 - Turning
  • 407 - Cutters, for shaping
  • 409 - Gear cutting, milling, or planing
  • 470 - Threaded, headed fastener, or washer making: process and apparatus