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By 1898, a rear-wheel drive electric bicycle, which used a driving belt along the outside edge of the wheel, was patented by Mathew J. Steffens. An 1899 patent by John Schnepf (U.S. patent 627,066) depicted an electric bicycle with a rear-wheel friction, "roller-wheel"-style drive. [10]
Staton-Inc., a motorized bicycle manufacturer of long standing, also uses a rack-mount with either a tire roller-mount (friction drive) or a chain-driven, geared transmission. Other manufacturers produce kits using small two- or four-stroke gas engines mounted in the central portion of the bicycle frame, and incorporating various types of belt ...
1982 – The "Bumble Bike" friction drive (now Golden Eagle belt drive) is chosen as "Official Transportation" at the Knoxville Worlds Fair. 1985 – The Tour de Sol leads to the development of modern electric bicycles in Switzerland. 1986 – A group of Swiss students develops the Twike sociable tricycle.
The bicycle's short gearing assisted when cycling uphill, but the CVT was noted to significantly increase the weight of the bicycle. [51] The rise of the electric bicycle has brought a reappraisal of the CVT as a better solution for an optimal drive train set up in comparison to gearing systems historically applied on human powered bicycles.
A belt drive for a bicycle was patented in the United States on April 8, 1890 by Charles D. Rice, Patent # 425,390. [9] Mathew J. Steffens. In 1898, Mathew Joseph Steffens of Chicago, Illinois received a patent for a rear-wheel drive electric bicycle using a driving belt attached to the periphery of the pneumatic-tired wheel. By the early 1900s ...
Rubbee Drive is a 250W friction drive module which fits most standard bicycles. [1] It enables a bicycle to reach up to 25 km/h speed and travel 40 km, making it a viable option for daily commuting. [2] The units are assembled by JSC ELINTA in Lithuania.