BICYCLE CRANK WITH SPINDLE ATTACHMENT STRUCTURE

A composite bicycle crank with an integral spindle attachment structure provides a unique method for attaching a bicycle crank arm to a bicycle crank spindle, and also for attaching a bicycle crank arm to a crank arm insert. A light-weight crank arm is able to be manufactured separately from the cra...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DUBOIS, George, PETERS, Joel
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A composite bicycle crank with an integral spindle attachment structure provides a unique method for attaching a bicycle crank arm to a bicycle crank spindle, and also for attaching a bicycle crank arm to a crank arm insert. A light-weight crank arm is able to be manufactured separately from the crank spindle or insert, and then securely attached after both pieces have been made. This allows for the pieces of the crank assembly to be manufactured from one or more different materials, and securely connected after manufacturing, to create a lower weight assembly than would be possible otherwise.