SMALL ARMS Russian patent published in 2004 - IPC

FIELD: fire-arms; fowling-sporting rifles with drop-barrels.

SUBSTANCE: the invention is dealt with the field of fire-arms, in particular with the fowling-sporting rifles having drop-barrels. The invention provides, that the spring-loaded locking up mechanism and the arm to lock-up a box of the small arms are made with a capability of turning movement on a shaft in one plane. The upper part of the locking mechanism has a groove ensuring forward movement of the locking-up mechanism and a ledge interacting with curvilinear surfaces on the hammers. On a clutch, in its lower part there are ledges interacting with the locking mechanism and on its side surfaces there are wrist pins and the ledges interacting with the grooves of the L-shaped form, made on a box; in the upper part there is a recess interacting with a hook made on the arm of locking-up. Besides the arm of locking-up is made in the form of the three-port arm on one port of which there is a hook, on the other port - a stop, and on the third port - a bead. The lower ledges of the clutch and a ledge of the locking up mechanism are supplied with rollers. The technical result of the invention is an increase of reliability of the locking up mechanism of the rifles at fire and simplification of their design.

EFFECT: the invention allows to increase of reliability of the locking up mechanism of the rifles at fire and simplification of their design.

3 cl, 6 dwg