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Heinrich Hirt
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Devices For Conveying Motion By Means Of Endless Flexible Members
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Abstract
22,823. Hirt, H. Oct. 31. Drawings to Specification. Toothed gearing; chain gearing.-Relates to driving-mechanism for cycles. The motion is transmitted from the pedal-crank axle by eccentrics to a crank shaft, and from this shaft is transmitted to the chain-wheel by means of toothed wheels and pinions. The chain - wheel, which runs loosely upon the crank shaft, is provided with a hub upon which the last pinion of the toothed gearing is mounted.
GB189822823D1898-10-311898-10-31Improvements in Driving Gear for Cycles.
ExpiredGB189822823A
(en)