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bike boom
(詳細はcraze" refers to any of several specific historic periods marked by increased bicycle enthusiasm, popularity, and sales.
Prominent examples include 1819 and 1868, as well as the decades of the 1890s and 1970s — the latter especially in North America.
==1819==
The first period which may be called a bicycle craze actually refers to a precursor of the bicycle which was pushed along by the feet on the ground as in walking, and did not have pedals. This machine was invented by Baron Karl von Drais in Germany, and was called variously a "draisine" (English) or "draisienne" (French) after his name, a "velocipede" from the Latin terms for "fast foot", a "hobby horse", or a "dandy horse", the last name being perhaps the most popular. Drais got a patent for his invention in 1818, and the craze swept Europe and the USA during the summer of 1819 while many manufacturers (notably Denis Johnson of London) either copied Drais's machine or created their own versions, then quickly died out as many pedestrians began to feel threatened by the machines and municipalities enacted laws prohibiting their use.
During the next 43 years, chiefly in England, inventors continued to explore the concept of human-powered transport, but on vehicles with 3 or 4 wheels (called "tricycles" and "quadracycles" respectively), which were thought to be more stable, not requiring the balance that is necessary for 2-wheeled vehicles. But none of these achieved much popularity.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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