WO2007090219A1

WO2007090219A1 - Pistol

Info

Publication number: WO2007090219A1
Application number: PCT/AT2007/000059
Authority: WO
Inventors: Wilhelm Bubits
Original assignee: Caracal International L.L.C.
Priority date: 2006-02-07
Filing date: 2007-02-06
Publication date: 2007-08-16
Also published as: AT503304A4; AT503304B1

Abstract

Pistol having a grip (1), a barrel slide (2; 102), which can be moved on the grip (1) in the firing direction, and a barrel (3; 103) which can be locked to the barrel slide (2; 102), with projection means (29; 129) with a first inclined surface (40) facing forwards being formed on the outer contour of the barrel (3; 103) for locking to the barrel slide (2; 102), and with lever means (20, 120) which can pivot in a sprung manner and have a claw (24) being fitted in the barrel slide (2; 102) and having a second inclined surface (42) which faces to the rear and interacts with a friction lock with the first inclined surface (40), with a single projection (29; 129) being arranged on the upper face of the barrel (3; 103) and with a single lever (20; 120) being arranged above the barrel (3; 103) and exerting a force (50) in the downward direction on the barrel (3; 103).

Description

pistol

The invention relates to a pistol, with a handle, a sliding on him in the weft direction chutes and lockable with the barrel run, which formed for locking with the carriage on the outer contour of the barrel projecting means with a forwardly facing first inclined surface and in the running a resiliently pivotable lever means are mounted with a claw having a rearwardly facing second inclined surface which cooperates with the first inclined surface, wherein for unlocking a stop in the handle is arranged, which cooperates with a stop lug of the barrel, and wherein the inclination angle of the inclined surfaces with respect to the direction of movement of the barrel is greater than the friction angle of the friction between the two inclined surfaces.

Such a pistol is known from WO 2005/093361 Al, and the construction mentioned causes when striking the barrel at the stop and continue the Laufschüttens the inclined surfaces can slide against each other and the lever is pivoted against the force of a spring so that the claw Projection on the outer contour of the barrel and thus the Laufschütten for the continued backward movement releases. The purpose of this continued movement in self-loading pistols (among other things) is to automatically load a new cartridge after each shot, regardless of whether it is single shot or continuous fire, and of what kind the firing mechanism is. In the known pistol is achieved by the semi-rigid locking of the barrel with the Laufschütten without vertical movement of the barrel already, among other benefits, improving the accuracy. But there is still another negative influence on the accuracy: The slidably guided in Laufschütten run has in the leadership, among other things, because of the thermal expansion, so much game that he can perform slight vertical movements. This manifests itself, above all, at the rear support of the barrel near the cartridge chamber by vibrations in the moment in which the shot breaks. These vertical vibrations of the barrel affect the accuracy as long as the bullet is still running. In DE 537 582 C, on the other hand, an automatic firearm with a receding barrel is described, which can be connected to the receding closure via a hook. This hook is pivotally mounted at the rear end, and it can engage under spring pressure in a recess at the top of the closure, wherein it has an inclined surface, with which it comes to rest on a ramp on the housing when returning the unit lock-run so that it is lifted out of the locking position, whereby the closure is separated from the barrel. In the locking position itself, the hook abuts against a corresponding stop surface of the recess in the closure with a locking surface perpendicular to the direction of movement. The disadvantage here is that due to the rigid, positive locking due to the vertical locking surfaces own elements are necessary to release the hook from the locked position. Furthermore, it is disadvantageous in the known pistol that here too the barrel can perform relative to the vertical movements vertical movements, which can affect the accuracy.

DE 1 119 726 B discloses a rebound lock for straight-pull fasteners on automatic firearms, wherein a control piece and a retaining weight which can be connected thereto via a latching lever are accommodated in a closure carrier. The control piece projects with its front portion into a cylindrical recess in a closure head, which in turn is received with a locking piece fixedly connected to the barrel. To lock the lock head and run piece, rollers are provided which abut the inside of bevels at the front end of the control piece and then, when the control piece is retracted relative to the lock head, can move inwardly so as to lock the lock head to the run or pick up its locking piece. The pivotal, two-armed latching lever is held by the steady weight, as long as it rests against the back of the control piece in its locking position in which it rests with a front nose having an inclined surface on a corresponding inclined surface at the rear end of the closure head. A disadvantage here is that two different mechanisms for the locking or unlocking of parts to be loosened during the return movement of the barrel and the closure are provided. see are; weiters is disadvantageous that also here at. Firing a shot, the barrel is vertically movable relative to the barrel, as stated above, so that these vertical movements have an adverse effect on the accuracy.

Finally, from US Pat. No. 2,919,630 A a handgun is described with a retraction device for the return movement of the closure piece, wherein a wedge mounted on a pivotable bracket rests on a cambered surface of the closure piece and slides up when the closure piece moves back. However, a locking of the closure piece with the barrel is not provided.

It is an object of the invention to improve a pistol as stated at the outset that the above-mentioned vibrations do not occur and so to increase the accuracy. The design should be as simple as possible, cheap and space-saving.

According to the invention this is achieved in a generic gun in that a single projection on the top of the barrel and a single lever is disposed over the barrel, which exerts a downward force on the barrel. This force presses the rear part of the barrel during the common preliminary until unlocking on his guide so that he can not lift off this and thus can not perform the described vertical movement. The period of the joint movement is only very short, but it lasts as long as the bullet is still running.

The arrangement of the single lever over the barrel offers the further advantage of being particularly simple and space-saving. It allows a very narrow construction of the gun. The lever can be arranged, formed and guided in various ways within the scope of the invention. In an advantageous embodiment, the lever is a pivotable about a transverse axis two-armed lever, of which one arm carries the claw and the other arm is pressed by a spring to the outside.

In another favorable embodiment, the lever is a One-armed spring lever, one end of which is clamped to the barrel and the other end carries the claw and exerts the downward force on the barrel. This embodiment, in which the lever is at the same time its own spring, is particularly suitable for small pistols.

The lever can be connected to the carriage both before and behind the claw. The former is recommended for small and very light pistols. Preferably, however, the pivot axis of the two-armed lever is behind the claw (and thus behind the inclined surfaces), wherein seen in the weft direction front arm of the lever carries the claw and its rear arm is pressed by the spring to the outside. Thus, the lever can absorb considerable forces and there is enough space for a strong leaf spring or hairpin spring available, especially if - as is preferred - the projection on the outer contour of the barrel is arranged at the rear end and the lever in an opening is arranged on the top of the LaufSchlittens. This gives a compact design and short power flow paths.

In a further development of the invention, in addition to the unlocking stop forming in the handle another stop is provided, which also cooperates with the stop lug of the barrel, wherein the clear distance in the longitudinal direction between the stop and the further stop by an amount that the return path of the barrel determined until unlocking, is greater than the length of the stop flag.

This amount determines in the simplest way the flow path of the barrel to lock, which can be very short thanks to the essence of the invention. If this further stop is designed retractable, it serves as Zerlegsperre, after their opening the barrel can be pulled out.

The invention will be explained in more detail below with reference to drawings, particularly preferred embodiments, to which it should not be limited. Show it:

Fig. 1 shows a pistol according to the invention in partially cut Side view in a first position;

Figure 2 is a section along the line II-II in Fig. 1.

Fig. 3 is a detail of the sectional view of Figure 1 on a larger scale.

FIG. 4 shows the pistol of FIG. 1 in a second position; FIG.

FIG. 5 shows the pistol of FIG. 1 in a third position; FIG.

Fig. 6 shows another embodiment of the gun according to the invention; and

7 is a section along the line VII-VII in Fig. 6th

In Fig.l pistol is indicated only in broad terms. It has a handle 1, a barrel 2 and a barrel 3. The upper part of the handle piece 1 forms a housing 6 with a guide 4, in which the running sheds 2 in the longitudinal direction (= weft direction) is displaceable. The housing 6 goes down into a trigger guard 5 and into a handle 7 via. The barrel 3, only indicated, is movably guided in the barrel 2.

In Fig.2 and 3 (in addition to Fig. 1) of the barrel shells 2, the barrel 3 and their locking are shown in more detail. Parts attached to the handle 1 are only to be seen insofar as they are related to the lock. The runner 2 is a portion of approximately rectangular cross-section extending the length of the entire gun. It has a left side wall 7, a right side wall 8 and a top wall 9, wherein on the side walls 7, 8, the guide 4 attacks. In its rear part of the barrel 2 includes a closure piece 10, which includes, for example, a firing pin with the associated parts (not shown), which cooperates with a trigger mechanism also not shown. At its front end, the closure piece 10 forms a push bottom 11 against which the barrel 3 rests in the locked state. At its front end of the running shafts 2 has a run 3 leading front panel 15, at which a closing spring 16 is supported with one end. The other end of the closing spring 16 is attached to an attached in the handle 1 abutment (guide) 17.

In the top wall 9 of the LaufSchlittens 2, a lever 20 is mounted. This lever 20 is arranged in a recess 26 of the top wall 9 with approximately the same contour. The lever 20 is a two-armed lever whose pivot axis 21 is mounted horizontally in the carriage 2. The front arm 22 of the lever 20 forms at its front end an inwardly directed claw 24. The rear arm 23 of the lever 20 is pressed at its end by a leaf spring 25 upwards (and the claw 24 thus downwards) other end of the leaf spring 25 at the bottom 27 of the LaufSchlittens 2 and the closure member 10 is supported.

The barrel 3 has at its the shock bottom 11 of the closure piece 10 facing the end of a cartridge chamber 28 for receiving a cartridge 12 and on this cartridge chamber 28 a nose 29. This nose 29 acts with the claw 24 in the locking of carriage 2 and barrel 3 in to be described together. Another required for the locking or unlocking organ is a stop flag 32 at the bottom and near the rear end of the barrel 3, which stop lug 32 cooperates with a housing-fixed stop 33. The stopper 33 protrudes from a bridge arranged in the handle 1 bridge 37, in the further forward another stop 34 is guided vertically displaceable.

The further stop 34 can be withdrawn by means of a Zerleghebels not shown to pull off the barrel 3 and disassemble the gun in the episode can. As can be seen, the length of the stop lug 32 is smaller by a difference 35 than the distance between the stop 33 and the further stop 34. The difference 35 is the way the barrel 3 travels backwards with the barrel shute 2 until, upon reaching the Anschlages 33, the connection between runners 2 and 3 barrel is unlocked. In the side wall 7 of the carriage 2 may finally be mounted not shown Auswerfkralle.

3 shows greatly enlarged the interaction of the claw 24 with This nose 29 has in the weft direction at the front a first inclined surface 40 and in the weft direction behind a first stop surface 44. The claw 24 has in the weft direction behind a second inclined surface 42 and front a second stop surface 46. Die Schrägflächen 40, 42 here are parallel planar surfaces whose surface normal 39 with the barrel axis 3 'includes an angle 41. But you could also be trained spherical. The angle 41 must be greater than the friction angle whose tangent is the coefficient of friction μ between the two inclined surfaces 40, 42. It is assumed that the pivot axis 21 of the lever 20 or its kinematic instantaneous pole is approximately equidistant from the running axis 3 'as are the inclined surfaces 40, 42.

The effect of the two inclined surfaces 40, 42 is as follows: If the against the weft 3 * pushed back by the recoil run 3 is suddenly stopped with its stop lug 32 on the stopper 33, the hitherto co-propagated together with the barrel 3 Laufschütten 2 due to his sluggish crowd striving to continue its movement. Since the lever 20 is connected to the running shute 2, acts on this a force 52, which decomposes at the inclined surfaces 40, 42 corresponding to the angle 41 in a normal component and in a tangential component. If the tangential component of this force is greater than the frictional force between the two inclined surfaces 40, 42, the claw 24 is very quickly pivoted against the force of the spring 25 to the outside until it releases the projection 29. Now the barrel shuttles 2 with the closure piece 10 can move further to the rear. When the runner 2 is pulled forward again by the force of the closing spring 6, the contact surfaces 44, 46 come into contact. In this case, the claw 24 is lifted over the projection 29 and engages thanks to the spring 6 again in the position shown in Figure 3 in front of the projection 29 a. Now the barrel 3 and the barrel 2 are locked together again. In addition, the lever 20 has yet another effect: In the locked state, the lever 20 presses the barrel 3 with considerable force (see arrow 50 in FIG. 3) on its guide 17 in the handle of the pistol and thus prevents vertical vibrations of the barrel 3.

Fig. 1 shows the gun in the ready to fire position. Becomes triggered a shot, the barrel 3 is hurled back together with the carriage 2 until the stop flag 32 reaches the stop 33. This is the position of Fig. 4. During this phase of motion, the spring 25 presses the claw 24 on the barrel 3 via the lever 20 so that it is pressed onto its horizontal guide 17 * (see FIG. 3). This is the basis of the special effect of the present construction.

In the position shown in FIG. 4, the stop lug 32 has reached the stop 33. However, the track 2 continues to move backwards due to its inertial mass. The claw 24 is torn to the outside, see Fig. 5. This can be explained with reference to FIG. 3: The inertial force of the carriage 2 is decomposed at the inclined surfaces 40, 42 in a normal component and in a tangential component; the latter overcomes the frictional force generated by the normal component and pushes the claw 24 outwards. Now the barrel 3 is unlocked and the barrel 2 can continue its movement backwards against the force of the spring 16.

The embodiment of FIGS. 6 and 7 differs from the described embodiment according to FIGS. 1 to 5 in two respects, wherein the reference numerals of corresponding parts are increased by 100. First, the lever 120 is housed in the front part of the carriage 102, and secondly, the lever 120 itself is a very strong leaf spring, one end of which is clamped by screws or rivets 121 to the bottom 127 of a groove in the carriage 102 and the other one End forms the claw 124. The function of the lock is identical to the one described above with reference to FIGS. 1 to 5.

Claims

cLAIMS

A pistol comprising: a handle (1), a barrel (2; 102) slidable thereon in the firing direction, and a barrel (3; 103) lockable to the barrel (2; 102), the barrel being locked to the barrel (2; 102) formed on the outer contour of the barrel (3; 103) projection means (29; 129) with a forwardly facing first inclined surface (40) and in the run-shedding (2; 102) a resiliently pivotable lever means (20, 120) with a Claw (24) are attached, which has a rearwardly facing second inclined surface (42) which cooperates with the first inclined surface (40), wherein for unlocking a stop (33) in the handle (1) is arranged, which with a stop flag ( And the inclination angle (41) of the inclined surfaces (40, 42) with respect to the direction of movement of the barrel (3, 103) is greater than the friction angle of the friction between the two inclined surfaces (40, 42). is, characterized in that as V orsprung- and lever means a single projection (29; 129) at the top of the barrel (3; 103) and a single lever (20; 120) over the barrel (3; 103) are arranged, which lever (20; 120) on the barrel (3; Force (50) exercises.

2. Pistol according to claim 1, characterized in that the lever (20) is a pivotable about a transverse axis (21) two-armed lever, of which one arm (22) carries the claw (24) and the other arm (23). pushed by a spring (25) to the outside.

3. Pistol according to claim 2, characterized in that the pivot axis (21) of the two-armed lever (20) behind the claw

(24) and the inclined surfaces (40, 42) is located, so that in the weft direction (3 *) seen front arm (22) of the lever (20) carries the claw (24) and its rear arm (23) from the spring

(25) is pressed outwards.

4. A pistol according to claim 1, characterized in that the lever (120) is a one-armed spring lever, of which one end

(121) is clamped to the runner (102) and the other end

(122) carries the claw (124) and exerts on the barrel (103) the downward force (50).

5. Pistol according to one of claims 1 to 4, characterized in that the projection (29) on the outer contour of the barrel (3) is arranged at its rear end and the lever (20) in a recess (26) on the upper side of the LaufSchlittens (2) is arranged.

6. Pistol according to one of claims 1 to 5, characterized in that in addition to the unlocking means forming stop (33) in the handle (1), a further stop (34) is provided, which also with the stop lug (32) of the barrel ( 3) cooperates, wherein the clear distance (35) in the longitudinal direction between the stop (33) and the further stop (34) by an amount that determines the return path of the barrel (3) to unlock, greater than the length of the stop flag ( 32).

7. Pistol according to claim 6, characterized in that the further stop (34) is retractable.