History of Gears

By hannahharbold17
  • 27 BCE

    Chinese South-Pointing Chariot

    Chinese South-Pointing Chariot
    First vehicle with gears was made.
  • 4 BCE

    description of gears

    description of gears
    the earliest description of gears was written by Aristotle
  • 3 BCE

    Greek inventores used gears in multiple things

    Greek inventores used gears in multiple things
    they used gears in water, wheels, and clocks
  • 19

    rotating cutters

    rotating cutters
    The first form of rotating cutters were used.
  • 50

    Specific mention of gears

    Specific mention of gears
    The first writings about gears that were not describing them.

  • The first NC gear hobbing machine

    The first NC gear hobbing machine
    The Pftar company in Germany invented the first NC gear hobbing machine.

  • the patenting of the first gear hobbing process

    the patenting of the first gear hobbing process
    An English inventor, Joseph Whitworth, patented the first gear hobbing process.

  • The first gear hobbing machine

    The first gear hobbing machine
    Herman Pfauter of Germany invented the first gear hobbing machine.

  • Another gear hobbing machine was introduced

    Another gear hobbing machine was introduced
    The full six axis hobbing machine was used.