US Patent Issued to TOPRAY MEMS on June 30 for "Mouse scroll wheel mechanism" (Taiwanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,881, issued on June 30, was assigned to TOPRAY MEMS INC. (Hsinchu City, Taiwan).

"Mouse scroll wheel mechanism" was invented by Chi-Ling Chang (Hsinchu City, Taiwan), Yu-Cheng Liu (Hsinchu City, Taiwan) and Hsiao-Ming Chien (Hsinchu City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mouse scroll wheel mechanism is provided, including: a wheel base and a wheel body, wherein the wheel base is provided with an axial hole, and a plurality of bearings are arranged at different positions in the axial hole; a rotating shaft extending outward is arranged at the center of the wheel body, and the rotating shaft is arranged in a plurality of the bea...