IDENTIFIER OF KAMYNIN AND SERGEEV FIREARM Russian patent published in 2003 - IPC

FIELD: firearm and designed for prevention of unauthorized use of it by illegitimate owners. SUBSTANCE: the firearm identifier has a body and a signet-ring acting on the firing mechanism, installed in the body is a plate of magnetopermeable material with chambers and a movable matrix, blocking components of magnetosoft material are freely arranged in the plate chambers, used as these components are balls or bodies of revolution, whose generating lines are parallel or inclined at a certain angle, and the ends have, respectively, a plane, or plano-convex, or plano-concave shape, the matrix has cavities for the blocking components, and in the "blocked" position it pushes against the component of the firing mechanism preventing depression of the trigger, installed in the signet-ring are permanent magnets, whose arrangement coincides with the arrangement of the matrix cavities, and the cutout in the pistol handle or in the weapon stock and the signet-ring repeat in plan the shape of the plate of magnetosoft material asymmetric with one of the axes. EFFECT: simplified construction and enhanced reliability of functioning. 3 dwg