Trigger mechanism

Abstract

The invention relates to the field of gun technology. The trigger mechanism comprises a body, a spring-loaded sear, a trigger with a spring, and adjustment screws, including a screw for adjusting the triggering and a screw for adjusting the triggering motion. The trigger mechanism additionally comprises a screw for adjusting the amount of engagement of the trigger with the sear. All of the adjustment screws are mounted in the body and are oriented vertically. The sear is provided with a tooth which can come into contact with a moth present on the trigger. Furthermore, the trigger tooth surface which interacts with the sear tooth surface is curvilinear. The technical result consists in increasing the reliability and simplicity of assembling and servicing the device.

Description

FIELD OF THE INVENTION[0001]The invention relates to weapon technology area, particularly to trigger mechanisms of arms having lengthwise sliding bolts, for example, for hunting rifles.BACKGROUND OF THE INVENTION[0002]It is known the trigger mechanism for the BK-5 rifle described by V. I. Trofimov in his guide “Russian Combined Hunting and Sporting Guns” / Part 2.—Moscow: DAIRS, 2000, p. 140. The mechanism comprises a body, a sear with a latch and a sear lever, a triggering lever, and a trigger, and also adjustment screws. The prior art mechanism is complicated in design and, besides, it does not separate the striker and the sear reliably, for which reason the safety of the rifle decreases.[0003]The closest related prior art of this invention is the trigger mechanism disclosed in Russian Patent No. 2219459, F41A 19 / 24 published on Dec. 20, 2003 that comprises a body, a spring-loaded sear, a trigger with a spring, and adjustment screws; the sear and the trigger in that mechanism have t...

AI Technical Summary

Benefits of technology

This patent describes a trigger mechanism that allows for reliable and safe operation of a device by improving the quality of release triggering. The mechanism has a broader range of adjustments for the triggering point, making it easy to manufacture, assemble, and maintain. The technical effects of this invention are improved reliability and safety of operation and ease of manufacture, assembly, and maintenance.

Problems solved by technology

The prior art mechanism is complicated in design and, besides, it does not separate the striker and the sear reliably, for which reason the safety of the rifle decreases.

Presence of the said threaded holes in the trigger imposes a limit on technology capability in manufacturing of the trigger and necessitates for additional components, typically a special-purpose hard insertion, to be used.

The deficiencies of the mechanism in accordance with the aforesaid patent are primarily its complex design that affects the quality and reliability of the trigger mechanism in operation.

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