2474377

Information

• Patent Grant
• 2474377

• References
• Source

• Patent Number

  2,474,377

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1949
  75 years ago

• CPC

  • B25G1/025 - for screwdrivers, wrenches or spanners
  • B25B13/46 - of the ratchet type, for providing a free return stroke of the handle
  • B25B13/461 - with concentric driving and driven member
  • B25B15/04 - with ratchet action
  • B25B15/06 - operated by axial movement of the handle
  • Y10S81/02 - Spiral drive for wrenches
  • Y10T74/1527 - Screw and nut devices
  • Y10T74/18056 - Rotary to or from reciprocating or oscillating
  • Y10T408/637 - with thrust applying means
  • Y10T408/65 - Means to drive tool

• US Classifications

  • 074 - Machine element or mechanism
  • 081 - Tools
  • 408 - Cutting by use of rotating axially moving tool
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts