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Antoine Op De Coul
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Individual
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Individual
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Publication of GB189815022ApublicationCriticalpatent/GB189815022A/en
15,022. Coul, A. O. de. July 8. Driving-mechanism. -The Figures show the application to a bicycle. A chain l connects the usual chain - wheel on the crank axle to a wheel k keyed on an axle b mounted in ball bearings in the gear case a. A wheel c keyed to the axle b drives a wheel d mounted in ball bearings as shown and secured to a wheel e which drives an internal wheel f, also mounted in ball bearings. External teeth i<1> formed on the wheel f engage a wheel m keyed to the driving. wheel hub. The case a is formed with a screwed tube P which is secured inside the split end of the chain stay o by a clip n as shown. A nut r screwing on the tube P enables the tension of the chain l to be adjusted. The opening in the case a through which the driving-wheel axle passes is preferably elongated to allow of the distance apart of the wheels m and i' being adjusted.
GB189815022D1898-07-081898-07-08Improvements in the Driving Mechanism of Velocipedes.
ExpiredGB189815022A
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