US 12,351,140 B1
Crank sleeve
Daniel George Burkhardt, Cincinnati, OH (US)
Filed by Daniel George Burkhardt, Cincinnati, OH (US)
Filed on Sep. 27, 2022, as Appl. No. 17/954,261.
Claims priority of provisional application 63/248,923, filed on Sep. 27, 2021.
Int. Cl. B60S 9/04 (2006.01)
CPC B60S 9/04 (2013.01) 6 Claims
OG exemplary drawing
 
1. A crank sleeve, including:
a first open-sided hollow cylinder having a length, an open first end, and a second end, and having an open slot extending from the open first end along the length toward the second end, and having an axis along the length,
a second open-sided hollow cylinder having a length, an open first end, and an open second end, and having an open slot extending from the open first end along the length toward the open second end, the second end of the first open-sided hollow cylinder fixed at a right angle to the open second end of the second open-sided hollow cylinder, to provide a continuous open slot from the open first end of the first open-sided hollow cylinder to the open first end of the second open-sided hollow cylinder, and
a drive port formed into an end plate which is secured at the second end of, and oriented perpendicular to the axis of, the first open-sided hollow cylinder, and configured for inserting therein a drive shank that extends along the axis of the first open-sided hollow cylinder.