ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,553, issued on March 24.
"Bicycle crankset" was invented by Michal Kamil Gasiorowski (Andrychow, Poland) and Karolina Monika Gajecka (Andrychow, Poland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bicycle crankset provided with two arms mounted on opposite sides of the support. Inside one of the arms, near the support, there is a cylindrical socket for the bolt ended on one side with a pin coupled with a socket provided in a non-rotating sleeve, around which the arm rotates to the right or left by any angle from 0deg to 360deg, and on the other side of the bolt, there is a flange in contact with the arm of the two-arm lever pivotally mounted on...