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James Turnbull
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Individual
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Individual
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Publication of GB189826220ApublicationCriticalpatent/GB189826220A/en
Shafts, Cranks, Connecting Bars, And Related Bearings
(AREA)
Abstract
26,220. Turnbull, J. Dec. 12. Cranks for bicycles &c. The crank A is tubular, and is fitted with solid ends B, C, which ar3 secured by brazing &c. The boss B for fitting on the axle is of the usual form. The end C consists of a plug fitting in the crank and having a cutaway part b which allows the crank tube to yield slightly when the nut of the pedal pin is tightened. The pedal pin is screwed into the end C. A washer a of suitable form may be placed between the pedal and crank.
GB189826220D1898-12-121898-12-12Improved Construction of Cranks for Bicycles and other Velocipedes.
ExpiredGB189826220A
(en)