Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 13, 2022
Patent Application Number
15931859
Date Filed
May 14, 2020
Patent Citations
Patent Primary Examiner
A 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. Methods of modifying an. overhead crank and for using a crank extension device.
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