جورج ويلر
جورج ويلر George A. Wheeler مخترع أمريكي، هوأحد مخترعي السلم المتحرك، مع جسي رنو، حصلا على براءة الاختراع
ولد في نورثفيلد، مينسوتا. تفهم في عقد 1880 وانتقل لمدينة نيويورك حيث عمل.
السلم المتحرك
محطات على طريق اختراع السلم المتحرك:
- 1859 Nathan Ames of Saugus, Massachusetts patents Revolving Stairs 25,076 issued March 9, 1859
- 1891 Jesse Reno invents escalator-type elevator apparatus. Files January 2, for patent
- 1891 George A. Wheeler invents escalator-type apparatus. Files March 5, for patent
- 1892 Reno of New York, New York patents Endless Conveyer or Elevator 470,918 issued March 15,
- 1892 George A. Wheeler of New York, New York patents Elevator 479,864 issued August 2,
- 1896 Reno installed his version of an escalator at the Old Iron Pier at Coney Island in New York City
- 1896 Charles D. Seeberger invents escalator-type elevator apparatus. Files May 19, for patent
- 1897 George A. Wheeler invents escalator-type elevator improvements. Files April 18, for patent
- 1899 Charles D. Seeberger of Chicago, Illinois patents Elevator 617,778 issued January 17,
- 1899 George A. Wheeler of New York, New York patents Elevator 617,788 issued January 17.
- 1899 Seeberger buys Wheeler patent and goes to work for Otis Elevator Company
- 1900 Seeberger registered "Escalator" as a trademark for a moving stairway
- 1900 Otis's first step-type escalator made for public use, is installed at the Paris Exhibition
- 1902 Jesse Reno founded the Reno Electric Stairways and Conveyors company
- 1910 Otis Elevator Company buys Seeberger patent and "Escalator" trademark.
- 1911 Otis Elevator Company buys Reno patent
- 1921 مهندسوأوتـِس، بقيادة ديڤد لـِندكوِست، يُدخلون تحسينات ينتج عنها السلم المتحرك كما نعهده اليوم.
المصادر
- britannica
