DE7800665U1 - LOCKING DEVICE FOR THE SLOT OF THE CHAMBER STEM OF AUTOMATIC HANDGUNS - Google Patents

Description

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FABRTQTTE NATIONALE MANUF. AL en abrege FN, Societe Anonyme, 4400 Herstal (Belgium)

"Closure device for the passage slot of the chamber handle automatic handguns "

The present invention relates to a closure device for the slot in the KämmerstengeIs of automatic handguns provided in the body of the weapon.

The present invention aims to provide penetration to avoid foreign objects in the weapon without hindering the movements of the weapon handle.

The device according to the invention exists for this purpose essentially of an opening having an opening at both ends, appropriately profiled flap; two pins attached to the weapon body, each of which passes through one of these two openings; and one hooked on both sides of these pegs and attached in their middle to the aforementioned flap, these Pressing the flap against the weapon body, as well as claiming it in the direction of the locking position of the slot for the bolt handle Feather.

The characteristics of the system according to the invention are explained by the following description of an implementation example. This description, given without any restrictive intention, takes place with reference to the accompanying drawing, where

7800665 03.05.78

Figure 1 shows a side view of one with an inventive Device-equipped handgun reproduces;

Figure 2 shows part F2 of Figure 1 enlarged Represents the scale;

Figure 3 shows a line III-III of the figure 2 shows the section made; and

Figures 4 and 5 corresponding to Figure 2 show the relevant device according to the invention in two characteristic ways Reflect operating positions.

The firearm shown in the accompanying drawing is an automatic rifle, the body 1 of which is known to have a Has slot 2 for the passage of the bolt handle 3 attached to the chamber 4 of the weapon.

The closure device according to the invention consists of a flap 5 having an opening 6 or 7 on both sides. Through each of the two openings 6 and 7, a pin 8 or 9, fastened to the body 1 and having a groove 10, is inserted (FIG. 3).

A spring 11 with hook-shaped bent ends is in its center by means of a fastening lip 12 of the flap 5 on the same attached. Each hook-shaped bent end of the spring 11 is in engagement with the groove 10 of the corresponding pin 8 or 9, consequently the flap 5 is pressed by the spring 11 against the weapon body 1 and continuously in the direction of the locking position of the Slot. 2 is claimed (Fig. 2). The flap 5 remains anyway able to pivot and shift, the maximum of these movements being due to the shape and size of the two Openings 6 and 7 taking into account the diameter of the pin 8 and 9 is conditioned.

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The front end of the flap 5 has a bolt handle 3 cooperating bent part 13 ,. that the flap 5 is swiveled / closed when the bolt handle 3 is actuated (Fig. 4) and allows access to slot 2. During its movement, the bolt handle 3 comes into contact with the lower edge of the flap 5 (Fig. 5).

By the invention described in the previous lines Measures will be taken to prevent foreign bodies, such as dust, mud and sand, from getting into the weapon and thus the resulting It is advisable to avoid any adverse effects caused.

The invention is of course in no way restricted to the exemplary embodiment described above, but also relates to all modifications, additions and adaptations thereof that do not exceed the scope of the invention.

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Claims (4)

EXPECTATIONS \ 1. - Locking device for the in the weapon body '■ the through slot of the KammerSengeIs automatic hand guns, characterized in that it consists essentially of a suitably profiled flap (5) having an opening (6,7} on both sides, two pins (8,9 ), each of which sticks through one of these two openings (6, 7), and one on both sides of these pins (8, 9) hooked and in its center on the aforementioned flap (5) fastened this flap (5) against the weapon body (1 ) pressing, as well as in the "direction of the closure position of the slot (2) for the bolt handle (3) claiming spring (11). 2. - Device according to claim 1, characterized marked; net ,, that each of the aforementioned pins (8,9) has a with the corresponding hook-shaped bent end of the aforementioned spring (11) ^: Z USairaitenactive groove (Lö). 3. - Device according to claim 1, characterized in that that the aforementioned spring (11) in its center by means of a bent fastening lip (12) of the aforementioned flap (5) same is attached. 4. - Device according to claim 1, characterized in that the front end of the flap (5) has a bent part (13) which forms an inclined plane which cooperates with the bolt handle (3) during its actuation. 7800665 05/03/78