2789687

Information

• Patent Grant
• 2789687

• References
• Source

• Patent Number

  2,789,687

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1957
  67 years ago

• CPC

  • F16H19/025 - comprising a friction shaft
  • B65H51/14 - Aprons, endless belts, lattices, or like driven elements
  • B66F11/00 - Lifting devices specially adapted for particular uses not otherwise provided for
  • F16H19/00 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
  • B66F2700/09 - Other lifting devices

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 226 - Advancing material of indeterminate length
  • 254 - Implements or apparatus for applying pushing or pulling force
  • 414 - Material or article handling