2845639

Information

• Patent Grant
• 2845639

• References
• Source

• Patent Number

  2,845,639

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1958
  66 years ago

• CPC

  • B23G1/16 - in holes of workpieces by taps
  • Y10T29/5163 - Rack-and-pinion operated
  • Y10T29/5179 - Speed controller
  • Y10T82/2531 - Carriage feed
  • Y10T408/10 - with interlock between machine elements
  • Y10T408/17 - to control infeed
  • Y10T408/6774 - including plural speed drive

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 029 - Metal working
  • 082 - Turning
  • 470 - Threaded, headed fastener, or washer making: process and apparatus