The present invention relates to crank extension device for an overhead crank. The device comprises a shell configured to fit over a crank handle, and the shell comprises an aperture for passage of the crank shaft. The device also comprises an extension connected to or integral with the shell, wherein the extension has an extension axis offset from a rotational axis of the crank shaft. The present invention also relates to methods of modifying an overhead crank and for using a crank extension device.
DEVICES AND METHODS FOR OVERHEAD CRANKS
2021-02-11
Patent
Elektronische Ressource
Englisch
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
Machines for repairing journals cranks and fly cranks of locomotive axles
Engineering Index Backfile | 1924
|Cranks—really, the final problem
British Library Online Contents | 2010
|Cold heading cranks up profits
Tema Archiv | 1985