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Expired
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Henry Cholmondeley Pennell
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Individual
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Individual
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Publication of GB189724915ApublicationCriticalpatent/GB189724915A/en
24,915. Pennell, H. C. Oct. 27. Cranks; pedals. -Relates to a crank arrangement for bicycles by which the effective throw of the crank is stated to be increased during certain parts of the stroke. A supplementary arm, plate, or disc carrying the pedal is pivoted to the crank arm, which is fixed to the crank axle. Fig. 1 shows one form of the invention. A disc f is fixed to the crank arm a and a second disc f<1> carrying the usual form of rotary pedal b is mounted to rotate on ball bearings i, j.
GB189724915D1897-10-271897-10-27An Improvement in the Cranks of Bicycles and other Cycles.
ExpiredGB189724915A
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