AUTOMATIC SMALL ARMS Russian patent published in 2011 - IPC F41A19/17 

FIELD: weapon and ammunition.

SUBSTANCE: weapon comprises receiver with lock and return spring, and also trigger mechanism. Trigger mechanism consists of sear installed on axis and spring-loaded support of sear. Spring-loaded support of sear is installed with the possibility of trigger lever interaction with it. Sear is arranged in the form of three-arm lever, which has surfaces at the ends of arms for interaction with lock and support of sear. Sear support is arranged in the form of lever installed on axis fixed in body and having response surface for interaction with sear.

EFFECT: increased rate of fire of arms, reliability of weapon operation, increased strength of weapon, simplified design of sear support and trigger mechanism case.

4 dwg