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Tom Shotter
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7853. Shotter, T. March 26. Chain-wheels.-Relates to improvements in the driving-gear of cycles whereby the ordinary pedal crank is dispensed with. A large chain-wheel formed with an open framework consisting of a rim a, arms or spokes a<1>, and an inner ring a<2> is attached to the driving-axle. One of the arms or spokes is formed with a slot or perforation b for the passage of the pedal spindle c, which is secured by the nut f. A similar wheel or disc or a crank is fitted upon the opposite end of the axle. A smaller sprocket-wheel may be attached to the larger wheel, if desired, when a lower gear is required, or a smaller wheel may be employed and have a short arm fixed thereto, to which the pedal is attached.
GB189707853D1897-03-261897-03-26Improvements in the Driving Mechanism of Cycles.
ExpiredGB189707853A
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