Patent ID: 6186041
Filing Date: 2001-02-13
Classification: F41A

Abstract:
A weapon comprising(a) a barrel;(b) a breech ring attached to a rearward end of said barrel;(c) a groove provided in said breech ring;(d) a movable breechblock mounted in said breech ring and having open and closed positions;(e) a slide mounted in said breech ring and being guided by said groove for displacements relative to said breech ring;(f) connecting means for coupling said slide to said breechblock for causing motion of said breechblock between said open and closed positions by the displacements of said slide;(g) a control cam rotatably supported in said breech ring; said control cam having a cam track coupled to said slide for effecting displacements of said slide upon rotation of said control cam; and(h) an external drive for rotating said control cam.