ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,623, issued on June 2.
"Separable bicycle frame" was invented by Yunhui Liu (Sacramento, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present utility model is a separable bicycle frame, comprising a front frame and a rear frame, wherein the front frame comprises a vehicle beam and a steering sleeve, and the rear frame comprises a seat tube, a bottom bracket sleeve, a lower fork, a diagonal fork, and rear connectors; a set of positioning sleeves transversely penetrating the vehicle beam are fixed at a rear part of the vehicle beam of the front frame, and end surfaces for positioning are provided at two ends of each positionin...