| 摘要 |
FIELD: weapons. ^ SUBSTANCE: breechblock mechanism is provided with double-sided lever having unequal arms, which is connected with the breechblock for permitting rotation and embraces the breechblock from the sides. The breechblock mechanism is also provided with shackles whose one ends are interconnected for permitting rotation together with the breechblock frame and other ends are connected with the long arms of the double-sided lever having unequal arms for permitting rotation. The short arms of the lever co-operate with the receiver. ^ EFFECT: enhanced reliability. ^ 2 dwg |
