EP1232375A1

EP1232375A1 - Magazine safety catch for an automatic pistol

Info

Publication number: EP1232375A1
Application number: EP01988846A
Authority: EP
Inventors: Norbert Fluhr
Original assignee: Heckler und Koch GmbH
Current assignee: Heckler und Koch GmbH
Priority date: 2000-10-23
Filing date: 2001-10-23
Publication date: 2002-08-21
Anticipated expiration: 2021-10-23
Also published as: ATE291214T1; KR20020065599A; KR100519124B1; DE50105615D1; WO2002035172A1; EP1232375B1; PT1232375E; CA2394956C; CA2394956A1; US20020152660A1; ES2237612T3; US6655066B2

Abstract

The invention relates to a magazine safety catch for an automatic pistol, comprising an inserted magazine (8) having magazine lips, and a pivoting lever (2) which is held by a spring (1) in the movement path of a rod (5) coupled to a trigger (6), said lever engaging with said rod in a restraining manner. The pivoting lever then disengages from the rod (5) in a pivoting manner by engaging with a part (10) of the magazine (8) when the same is in its operating position, said part of the magazine (8) being the upper edge (10) thereof so that the pivoting lever (2) can be arranged very high up in the hilt. Said pivoting lever can thus also be fitted in an automatic pistol having a non-detachable hilt part. Furthermore, the magazine can be produced virtually without any additional formation.

Description

Magazine lock for a self-loading pistol

The invention relates to a magazine lock for a self-loading pistol according to the preamble of claim 1; as is known from US 5 355 768.

All the position descriptions used in this document are based on a self-loading pistol which is in normal stop, the barrel being horizontal and the magazine extending more or less obliquely from bottom to top. The mouth faces forward. The magazine has two opposite flat surfaces that end up and back in the magazine lips. The magazine is lowered in front of the magazine lips so that the cartridges can be pushed forward freely between the magazine lips.

The front surface of the magazine is often curved, but does not lie fully against the contour of the projectiles so that they do not rub. There is therefore a certain amount of leeway between the floor and the magazine wall. This applies particularly to magazines with zigzag storage of the cartridges.

Magazine locks have been known for a long time and have the primary task of making shooting impossible when the magazine is removed from the weapon. A wide variety of constructions are known. With pistols of this type (such as S&W Mod. 559), even when the magazine has been removed, the breech can be pulled back and the cock can be cocked, but not via the cocking trigger. A magazine lock is also known from US Pat. No. 4,031,648.

Modern pistols have a plastic handle, in which the handle scales are molded onto the handle and not can be removed. The inner parts of the weapon are then inaccessible, but no parts can be mounted if the handle scales have to be removed for this installation.

For its part, the applicant has recently proposed a magazine lock that is attached rearward at the lower end of the magazine shaft and has a finger that is pressed into the magazine shaft by a spring. When this finger is pushed back by the magazine, the mechanism of the weapon remains unaffected. However, if the magazine is removed, a part interacting with the pin, when the cock is relaxed, inhibits a spring rod, around which the striking spring is placed, and thus prevents the movement of this spring rod and thus the cocking; the loading movement and thus the disassembly of the weapon - and of course the shooting.

The disadvantage, however, is that the magazine must practically be removed completely in order to actuate the magazine lock. It is therefore not possible for the shooter to be made aware of the fact that the magazine has not yet been fully inserted and locked into place.

In contrast, in US Pat. No. 5,355,768 mentioned at the outset, a magazine lock with a pivoting lever is shown which can be pivoted about the axis of the trigger and engages behind the rod from the front. This swivel lever is loaded under tension and can be opened if the trigger is pressed hard but the magazine is removed.

In certain cock lock designs, the cock is also locked with the rod. Then, with the cock blocked, the slide of the pistol cannot be pulled back enough to pull a cartridge out of the chamber. If the magazine was removed with the pistol fully loaded, unloading is not possible. However, in the case of military and civil guards, for example in the event of a changing of the guard, it is customary first to remove the magazine, then to load the weapon, to remove the supplied cartridge and then to hand over the unloaded weapon and the full magazine to the changing of the guard. This is not possible with weapons of the type mentioned at the beginning, because the weapon can no longer be loaded after removal of the magazine. It is not possible to unload the loaded weapon without the magazine.

Now you could empty the removed magazine, then insert the empty magazine into the weapon and then unload it. In years of use, however, the security guards sometimes tend to neglect safety for convenience.

Based on this problem, it is an object of the invention to find a more reliable magazine lock. The magazine lock should also be used with a pistol

Take-off trigger prevent the movement of the rod, and thus also the movement of the trigger.

The magazine lock itself can fix each of these parts directly or via an intermediate link, since all these parts transmit movements in the opposite direction between one another, unless an interruption mechanism prevents this.

The invention has the further object to defuse this source of danger and to search for a magazine lock which - while maintaining proven lock designs - enables the weapon to be unloaded with the magazine removed, even though there is a magazine lock.

According to the invention, the object is achieved in that the part of the magazine on which the pivot lever rests is the upper edge thereof.

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tem magazine. The touch finger, which is formed on the swivel lever in order to feel the magazine, is therefore pressed upwards.

In this case, a particularly expedient embodiment consists in that one end of the pivot lever is set up for engagement in a counter bearing of the rod, the other end (the said touch finger) is set up for engagement in the upper edge of the magazine, and both ends on both sides of the pivot axis are arranged, and that the formation or the cam is formed near the first end (claim 3). The cam is thus located under the slide and dips into a groove which is formed in the slide overlying it. As usual, the pistol can be disassembled since parts of the slide and grip do not engage behind each other.

The subject matter of the invention is explained in more detail with the aid of an exemplary embodiment and the attached schematic drawing. The drawing shows:

1 shows a part of the trigger device of a self-loading pistol with the magazine lock according to the invention, seen from the magazine shaft, in a secured position,

Fig. 2 is a similar representation as in Fig. 1, but with an inserted magazine and with the magazine lock in the unlocked state, and

3 shows the same representation as in FIG. 2, but without representation of the magazine,

Fig. 4 is a view of the right side of the carriage body of a pistol, with components that in

Grip piece, in position ready to fire, but the trigger rod (the trigger System) locked because no magazine is inserted, and

5 shows a view as in FIG. 1, but with a slide which is slightly retracted with respect to the handle component.

A trigger 6 is extended upwards and there has two pivot points, the lower of which sits on a transverse axis in the handle and the upper sits on a transverse axis which is fastened in a rod 5. If the trigger 6 is pulled, that is to say pushed to the right, then it pivots about the lower, fixed pivot point and pulls the rod 5 forwards or to the left.

The rod 5 is extended to the front (to the left in the drawing); there is a fuse (not shown) which can prevent the movement of the rod 5 to the front or left.

At the rear (right) end, the rod 5 engages directly or indirectly in a cock (not shown) in order to tension and pull it off.

As can be seen from FIG. 2, the rod 5 extends past a magazine shaft on the right, which accommodates a magazine 8.

Under the rod 5 (and in Fig. 2 covered by the magazine 8) a pivot lever 2 is arranged and one in

Grip piece firmly anchored transverse axis swiveling. The pivot lever 2 has a rear end 3, with which it can engage in front of a step 4 in the rod 5, and a front end 9. This front end 9 is angled out of the plane of the drawing towards the viewer, one being transverse to the plane of the drawing extending web is formed, which extends from the pivot lever 2 from about right extends at an angle upwards and is angled backwards at approximately a right angle.

A grip projection 7 is formed under the rear end 3. Between this and the rear part of the pivot lever 2, a leaf or leg spring 1 is inserted, which loads the pivot lever 2 counterclockwise and thereby presses its rear end in front of the step 4 of the rod 5.

The magazine 8 (FIG. 2) has a contact edge 10 laterally at the front in front of the magazine lips, on which the part of the front end 9 of the swivel lever bent backwards can rest. The front, upwardly extending part of this front end 9, which bears against the front wall of the magazine 8, ensures that the pivot lever 2 assumes a precise, defined position.

If no magazine 8 is inserted into the self-loading pistol (not shown in any more detail), the parts described assume the position shown in FIG. 1: the rear end 3 of the pivoting lever 2, which is directed upwards by the spring 1 with this end 3 was pivoted, falls in front of stage 4 of rod 5.

If the trigger is now operated, nothing happens and the trigger 6 cannot be moved.

If the shooter overlooks the fact that there is no magazine in the weapon and wishes to shoot, then when trying to press the trigger or pull the trigger to the trigger, he must determine that the trigger cannot be moved. The shooter can thus not only automatically secure the weapon by removing the magazine, but also immediately detects that the magazine is missing when he tries to use the weapon correctly. If the magazine 8 is inserted (FIG. 2), then it engages under the front end 9 of the pivot lever 2 with the edge 10 and pivots it such that the rear end 3 of the pivot lever 2 dips away from the projection 4 of the rod 5 and this releases. The weapon can now be used as usual. This position of the pivot lever 2 is shown in Fig. 3.

In this position, the spring 1 simultaneously exerts a considerable force on the magazine via the swivel lever 2, which force tries to push the magazine out of the pistol. If the magazine 8 is not properly engaged when it is inserted into the pistol, this becomes clear and immediately recognizable.

The leg spring 1 always lies flat on the projection 7; Even if this should be made of plastic, the surface pressure that occurs is low, so that the plastic can withstand it reliably in the long term.

4, a sled body 10 is shown. Attachments, such as the pull-out claw, the rear sight or the like. are omitted for simplicity. The shot direction in the drawing is to the right (right is "front").

An elongated control part 20 is shown separately under the carriage. This extends parallel to the longitudinal direction of the slide, but will usually be part of the slide, that is, a longitudinal web of the slide, which projects downwards. This longitudinal web has a control curve 12 on the underside, with a groove 14. The mentioned longitudinal web or the control part 20 or the control curve 12 must extend so far forward that, when the slide is fully retracted, the position at which in Fig. 4 the groove is made, the edge of the control cam 12 is still present.

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The first position is just before a second position, in which the sled would prevent the slide from being loaded. After leaving the first, but before reaching the second position, the groove 14 must now have pressed the cam 16 down into a position which corresponds to the position when the magazine is inserted. Now the rod 5 is released and the weapon can be loaded through, as usual. In Fig. 5 the mechanism of the gun is shown shortly after passing through said second position.

Claims

Expectations

1. Magazine lock for a self-loading pistol with

Plastic grip with molded grip shells, with an insert magazine (8), which has magazine lips, and with a swivel lever (2), which is held in the path of movement of a rod (5) by a spring (1), which is coupled to a trigger (6) is, and there engages in this inhibitory, and - by engagement with the upper edge (10) of the magazine (8), preferably the portion (10) of the upper edge, which is laterally near the front corner in front of one of the magazine lips, when this is in its operating position, is pivoted out of engagement with the rod (5), characterized in that the pivoting lever (2) is arranged in a recess in the handle piece laterally next to the magazine (8), pivotable approximately in the middle about a cross pin is stored and with its rear end

(3) in the secured position in front of a ledge

(4) the rod (5) engages so that it cannot move forward.

2. Magazine lock according to claim 1, characterized in that the pivot lever (2) is a flat part, the front end (9) of which is bent so that it lies in front of the magazine (8), extended upwards and at the upper end to the rear is bent.

Magazine lock according to claim 1 or 2, characterized in that the swivel lever (2) in an upwardly open groove of the grip piece, which is slotted at the front towards the magazine shaft, or Open top groove of the handle, which is slotted at the front towards the magazine slot, or sits above a housing projection (7) in the magazine slot, and that a leaf or leg spring (1) is attached under the rear end (3) of the pivoting lever (2) which is supported on the groove base or the housing projection (7).

4. Magazine lock according to one of claims 1 to 3, wherein the tap is set as long as the

Swivel lever (2) is not swiveled out of engagement with the rod (5) around a swivel axis (18) by engagement with the upper edge of the magazine when it is in its operating position, characterized in that the fixed cock allows a slight backward movement of the slide (10), the cock can no longer reach the firing pin after this backward movement of the sled and / or the firing pin is blocked so that it can no longer ignite, and the swivel lever (2) from the slide (10) after its slight backward movement from its inhibiting engagement in the rod (5) is then lifted out when the tap can no longer hit the firing pin and / or this can no longer ignite, so that despite the magazine removed and with complete security the tap and thus the Sledges are movable.

5. Magazine lock according to claim 4, characterized in that on the pivot lever (2) has a design, in particular a cam (16) is formed, which in an inhibiting engagement of the pivot lever (2) in the rod (5) in a counter-training, in particular a groove (14) occurs, which is formed on the carriage (10) or is connected or connectable to this. Magazine lock according to claim 5, characterized in that one end (3) of the pivoting lever (2) is set up for engagement in a counter bearing (4) of the rod (5), the other end (9) is set up for engagement in the upper edge of the magazine is, and both ends are arranged on both sides of the pivot axis, and that near the first end (3) the formation or the cam (16) is formed on the pivot lever (2).