2455434

Information

• Patent Grant
• 2455434

• References
• Source

• Patent Number

  2,455,434

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1948
  76 years ago

• CPC

  • B25B13/461 - with concentric driving and driven member
  • B25B13/466 - the ratchet parts engaging in an axial direction
  • Y10S81/02 - Spiral drive for wrenches
  • Y10T74/1527 - Screw and nut devices
  • Y10T408/65 - Means to drive tool

• US Classifications

  • 074 - Machine element or mechanism
  • 081 - Tools
  • 408 - Cutting by use of rotating axially moving tool