SMALL ARMS TRIGGER MECHANISM Russian patent published in 2010 - IPC F41A19/00 

FIELD: small arms.

SUBSTANCE: proposed trigger mechanism incorporated with "bullpap"-type automatic rifle comprises triggering mechanism, hammer cock sear, hammer auto release cock sear and return springs of said mechanisms. It comprises also shaped slide-type trigger element arranged in its seat inside guide support and below firing element that moves ahead from its rear fixed position to fire fixed burst. Trigger element has trigger made integral with slide trigger element furnished with muzzle element to act on trigger cock sear in front position of firing element. It comprises also breech frame element to act on sear in rear fixed position of said firing element with respect to its guiding support that represents a spring-loaded dog arranged to allow recoiling firing element to pass above it and to return back into fire position only after initial displacement of aforesaid slide trigger element.

EFFECT: improved operation.

6 cl, 6 dwg