US Patent Issued on Nov. 11 for "Crank apparatus equipped with labor-saving mechanism and bicycle crank assembly" (Taiwanese Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,515, issued on Nov. 11.

"Crank apparatus equipped with labor-saving mechanism and bicycle crank assembly" was invented by Hsuan-Chih Lin (New Taipei, Taiwan) and Kai-Wen Lin (New Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crank apparatus equipped with a labor-saving mechanism and a bicycle crank assembly are disclosed. The crank apparatus includes a crank mechanism, a transmission mechanism, a supporting module and a rotating arm module. The crank mechanism includes a crank, an axle-end gear and a pedal-end gear. The transmission mechanism includes a rotating axle having a circular groove. The supporting module is adapted to she...