ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,811, issued on April 21.
"Torque structure" was invented by Wen-Chin Kuo (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A torque structure includes a first body provided with a first receiving chamber, a second body provided with multiple first through holes, an elastic member received in the second body, a third body provided with a mounting portion having multiple third through holes and a second receiving chamber, and an operation portion having a first receiving recess, a rotation member having a first outer peripheral face provided with multiple protruded portions and multiple recessed portions, a push member received in the ...