Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lance A Heitz0
Date of Patent
April 16, 2024
0Patent Application Number
178570050
Date Filed
July 3, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
A crank assembly for a bicycle includes a crank axle rotatably mounted to a frame of the bicycle, and a carrier shaft slidably mounted on the crank axle and configured to slide in a direction substantially parallel to a central longitudinal axis of the crank axle and relative to the crank axle. The crank assembly also includes an elliptical sprocket mounted on the carrier shaft. The elliptical sprocket rotates to move the bicycle in response to a rotation of the crank axle. A start time of a power stroke of the elliptical sprocket is changed by sliding the carrier shaft relative to the crank axle.
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