ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,706, issued on Nov. 11.
"Trigger mechanism for firearms" was invented by Nikolai Pushkarev (Irkutsk, Russia).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is aimed at improving the accuracy of shooting by reducing the force on a trigger of a firearm during firing. The technical result is achieved by the fact that the design of the trigger mechanism includes a housing in which a hammer and a hammer spring are installed, a tubular axle on which the trigger having a groove allowing longitudinal movement along the axle is installed, thereby disengaging a return mechanism installed in its housing, a roller sear, and a single-fire sear. To e...