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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク John Richard Dedicoat ： ウィキペディア英語版 John Richard Dedicoat John Richard Dedicoat (born 1840, Birmingham; died 1903) was the inventor of the bicycle bell. Apprenticed to James Watt, he went on to become a bicycle manufacturer and made and sold the "Pegasus" bicycle. A keen inventor, he designed a spring step to assist in mounting bicycles with high seats. Some people found it quite an effort to hoist themselves into the saddle from the step. Dedicoat's invention was based on the action of a groom, who, when a lady puts her foot in his hand in mounting a horse, gives her a lift into the saddle; so with this step it was pushed down against a spring until a catch held it. The step rocked on a hinge which turned as the leg was straightened and released the spring, the rider then getting a lift of 5 or 6 inches just at the moment he was reaching for the saddle. It was very pretty but had one defect: if the spring was too strong for the weight of the rider, it did its work too well, and shot him not into the saddle, but over the handles. Another of his inventions was a pencil-sharpening machine. He died at the age of sixty-three in 1903. ==References== Some of this information is from ''The Cyclist'' Trade Section of May 20, 1903. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「John Richard Dedicoat」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.