• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a bullet trapping device comprising a target which, at least when used, is arranged in line with a bullet trajectory of a shooter to at least one artificial target behind the at least one artificial target, wherein the target has a target surface which is located with respect to the ball trajectory extends at an angle in the range of 15 to 35 degrees, and causes the target striking a ball from the ball trajectory to deflect at least substantially absorbent absorbers in the direction of the kinetic energy of the ball target is at least substantially translucent.
    公开号:BE1019239A3
    申请号:E2010/0048
    申请日:2010-02-01
    公开日:2012-05-08
    发明作者:Aspert Joannes Antonius Maria Van
    申请人:Askove Beheer B V；
    IPC主号:
    专利说明:

    Short description: Bullet trap device.
    DESCRIPTION
    The present invention relates to a bullet trapping device comprising a target which, at least when used, is arranged in line with a bullet trajectory of a shooter to at least one artificial target behind the at least one artificial target, wherein the target has a target surface which is located with respect to the ball trajectory extending at an angle in the range of 15 to 35 degrees, and causing a bullet striking the target member to deflect at least at least substantially absorbent absorbent means from the ball trajectory in the direction of the kinetic energy of the ball.
    A known bullet trapping device has a metal housing with a front relatively open relative to the target in the direction of an artificial target and a shooter. From the open front, the circumferential wall of the housing extends converging rearwardly over a distance. Subsequently, the peripheral wall of the housing makes a turn to eventually extend again in the direction of the shooter to a closed end. A bullet fired in the direction of the target by a shooter is caught behind the target by the bullet trap in the open front. The ball then hits the converging portion of the circumferential wall that acts as a target and is guided and braked through the curved portion of the housing. Eventually the speed of the ball is smothered by the closed end and the ball comes to a stop. Under the closed end of the housing, an opening can be provided at the bottom of the circumferential wall, under which a receptacle for the balls stopped by the ball catching device can be arranged.
    A disadvantage of the known bullet trap device is that a shooter is distracted by the relatively large bullet trap device and that the view of the shooter on the at least one artificial target is reduced by the bullet trap device arranged behind the target relative to the target.
    The present invention therefore has for its object to provide a bullet-catching device according to the introduction, wherein the shooter can better focus on an artificial target arranged in front of the bullet-catching device when aiming. This object is achieved by the present invention in that the target is at least substantially translucent. As a result, the shooter has a better image of the at least one artificial target, which, in contrast to the dark open front of the metal housing of the known bullet trap device, stands out relatively well against the background that remains visible through the bullet trap device according to the invention. Particularly when, as with militia shootings, the sky is shot up and the background is formed by the sky, the at least one artificial target stands out well against the clear background. In other words, the view of the at least one artificial target approaches the view of it in the absence of a bullet trap. Thus, the object of the present invention has been achieved.
    It is further preferred that the target surface extends with respect to the ball trajectory at an angle in the range of 20 to 30 degrees. At such an angle of the ball trajectory with respect to the target surface, it is even better ensured that the ball will bounce off in the direction of the absorbing means and relatively little noise is generated when a bullet hits the target, or rather, shocks it.
    It is preferred that the target surface is adapted to deflect a bullet striking the target surface at an angle to the target surface. The combination of target angle and material of the target are two important variables that determine whether a bullet is again chained away from the target or whether it is guided further along the target along the target. In the first case, sound is only generated for a short time when a bullet hits or hits the target surface; in the second case, the bullet generates a sound so long that it is guided further through the target surface.
    The target surface comprises at least substantially plastic. There are various plastics available that are both translucent and impact-resistant.
    In a preferred embodiment according to the present invention, the target surface is at least substantially made of polycarbonate. Polycarbonate is known for its toughness and can match the light transmittance of glass.
    The target is preferably detachably mounted in the bullet trap device. Despite a correct choice of material for the target, there is a risk that a target will be damaged over time as a result of the many balls that will hit the target in the course of time. A detachable target can easily be replaced if necessary by an undamaged target.
    It is further preferred that the target comprises a composite target. When the target is composed of a number of parts, only damaged parts need to be replaced. It is expected that parts of the target which are directly behind a target will be hit more and therefore more damaged than parts of the target which are in a position deviating from the ideal ball trajectory. Another advantage of a composite target is that individual parts can be handled more easily during placement than a single-component target.
    In a preferred embodiment according to the present invention, the target is arranged at least substantially above the at least one artificial target, at least when used. The bullet trapping device is excellent for catching bullets that are shot up (obliquely), for example during shooting competitions of guild guards.
    In a preferred embodiment according to the present invention, the absorbent means comprise at least one cloth which is collected in the expected path of balls deflected by the target surface. Cloths are, provided that they can withstand a large impact such as that of a bullet, ideally suited for the collection of relatively small objects. Due to the flexibility of a cloth, a bullet can be caught in a cloth without producing too much noise and held back by the cloth.
    When the at least one cloth comprises Dynema fiber, a durable cloth for catching bullets is provided. Dynema is used for, among other things, the manufacture of bulletproof vests and will therefore be suitable for retaining bullets without being damaged too easily.
    In order to be able to properly absorb the kinetic energy of a bullet, it is preferred that the absorbent means comprise an absorbent mass located behind the at least one cloth viewed from the expected trajectory of a bullet deflected by the target surface. The absorbing mass prevents small balls with a lot of kinetic energy from taking the fabric too far in its path before the fabric falls back to its original position. For a reliable operation of the bullet trapping device, it is desirable that the cloth is at least at least approximately in a fixed position, even when the cloth is hit briefly in succession by bullets from different shooters.
    Metal chains hanging behind the at least one cloth can be used excellently as such an absorbent mass. Also chains are flexible to be able to absorb a local impact caused by a bullet striking the cloth and will therefore also produce little noise when a bullet hits the cloth and the chains hanging behind it. The chains have a relatively large mass and therefore a ball will take the chains along a relatively small distance before the movement of the ball through the mass of the chains is stopped. The cloth prevents a bullet from shooting through the chains.
    In order to be able to collect the shot bullets easily, it is preferred that a collecting member is provided at least substantially below the absorbent means, in which the balls retained by the absorbent mass are collected.
    In a preferred embodiment according to the present invention, the bullet trap device comprises side walls for forming a sound-damping housing with the striking means. The relatively little noise produced by the bullet trap device is thus partially retained by the largely damped housing. In addition, the side walls can prevent any blown-off balls from ending up on the ground outside the housing. For a good view of the at least one artificial object, it is preferable that such a side wall is also transmissive.
    In a preferred embodiment of the present invention, the bullet trap device is disposed behind a set of artificial targets. The set of artificial targets can relate to a number of 'birds' posts. At guards' guards, a number of poles with a number of birds are often arranged next to each other. The bullet trap device according to the present invention can be arranged relatively easily via a frame above such a collection of artificial targets. The bullet-catching device according to the invention can also be of sufficiently large design to be arranged behind a number of targets.
    The present invention will be explained below with reference to an exemplary embodiment of the present invention and with reference to the accompanying drawings, in which:
    Figure 1 shows a perspective view of a ball-catching device according to the present invention; and
    Figure 2 shows a schematic side view of the ball-catching device of Figure 1.
    Figures 1 and 2 show a perspective side view and a schematic side view, respectively, of a bullet catcher 1 according to the present invention. The ball catcher 1 is supported by a wooden frame that is supported by diagonal beams 2 and vertical uprights 3. The wooden frame consists of supports 4 which are connected to uprights with a connecting piece 5 and a sleeve 6. frame of uprights 7, beams 8 and diagonal beams 9 as well as a front window with beam 10 and support beams, of which only one support beam 11 is shown in the figures, and upper beam 8 away from the rear window. At the top the wooden frame with connecting pieces 13 and tubes 6 is connected to uprights 3. In the wooden frame there is a collecting tray 14. The wooden frame is connected by means of polycarbonate walls 25 with bolt-nut connections 24 to flat polycarbonate panels 17 and a curved polycarbonate roof panel 18. In figure 2, side wall 25 has been omitted for the sake of clear explanation. Tubes 19 are suspended from Dyneema cloths 20a, 20b (not shown in Figure 1) and steel chains 21 (not shown in Figure 1). For the bullet catcher 1, posts 22 with targets 23 have been placed. Figure 2 shows diagrammatically with arrows (P) how bullets fired by a shooter S are caught by bullet trap 1.
    In the exemplary embodiment shown in Figs. 1 and 2, the targets (posts 22 with birds 23) are integrated in the design of the bullet trap 1. This ensures that the bullet trap 1 is correctly positioned relative to the targets 23 to ensure that (e.g. good if all bullets fired at targets 23 are caught by bullet trap 1. The wooden frame described above shows only one example of a construction for the bullet catcher 1. In fact, many different designs of a wooden frame are possible, as long as the frame is suitable for supporting the (assembled) target (here formed by interconnected polycarbonate panels 17) and the frame does not obstruct the trajectory of a bullet fired at a target.
    The target with the target surface is, as previously described, formed by a number of polycarbonate panels 17 which are connected roof-to-wall with bolt-nut connections 24 on the sides of the panels 17 with each other and with side walls 25. Because the panels 17 are connected to each other on the side, there is no risk that parts protruding from the panel interrupt the trajectory of a bullet fired at a target, as a result of which the ball might bounce off in an undesired direction. The roof tile-like construction of the panels 17 also prevents irregularities in the target surface of the composite target from causing a bullet to deviate in an unintended direction. If a bullet were to bounce sideways, the ball is still retained by a side wall. The target extends beyond the intersection of post 22 and the target so that bullets fired by a shooter positioned on the right side of post 22 and aiming at the upper target 23 will strike the target. Furthermore, in the exemplary embodiment shown, the target surface extends at an angle of approximately 25 degrees with respect to the horizontal. This angle ensures that bullets fired at targets 23 and hitting the target surface of the relevant polycarbonate panel 17 bounce away in the direction of the cloth 20a. Figure 2 shows the two extreme orbits of bullets fired by shooter S with the help of dotted lines (Ps, Pt). When shooter S is aiming at one of the lower targets 23, a bullet shot by shooter S according to arrow Ps1 will hit polycarbonate plate 17 at target point T at an angle α with respect to the target surface. The ball is then bounced off by panel 17 at an angle β with respect to the target surface, which is smaller than angle α, toward Dyneemadoek 20a. In this case, the moment the ball hits the panel 17, a briefly sounding noise is caused. The ball continues its trajectory as represented by arrows Pt1 towards cloth 20a. Due to the speed of the ball and the relatively light weight of the Dyneema cloth 20a, the cloth 20a will slow down the speed of the ball, while the cloth 20a moves slightly in the direction of the trajectory of the ball. Depending on the speed of the ball and the point at which the ball hits the cloth 20a, the cloth 20a will move further or less far with the bullet. Cloth 20a can hereby come into contact with cloth 20b, whereafter the cloths and the ball are further braked jointly by chains 21 which are suspended behind the cloths 20a, 20b. When the bullet hits cloth 20a, no more than a dull popping sound will thereby be caused. Even when the cloths 20a, 20b are slowed down by chains 21, relatively little noise will be produced. When the ball is (almost) completely braked by cloth 20a, the ball falls down into catch tray 14. The catch tray 14 can be provided with a covered bottom to limit the noise even when a bullet falls on the bottom of catch tray 14. The sound outside the bullet catcher 1 is blocked, or at least dumped, by side walls 25. When shooter S is aiming at one of the upper targets 23, the bullet will follow a trajectory represented by arrows Ps2 and polycarbonate panel 17 at T2. Hereby the ball is deflected in the direction of arrow Pt2 in the direction of cloth 20a. When the ball hits the cloth 20a at the bottom, cloth 20a is likely to move further with the ball than in the previously described case where the cloth was hit relatively high. But here too, the ball is ultimately braked by chains 21 to fall into collecting tray 14. It will be clear that even when the shooter is aiming at one of the other targets, the ball will be bounced off by a polycarbonate panel 17 in the direction of Dyneemadoek 20a.
    The bullet trap 1 makes it possible for a shooter S to distinguish targets 23 well, because the polycarbonate panels 17 and side walls 25 allow light to pass well. New plates are crystal clear, over time the polycarbonate plates can slightly damage, but even then almost all light is transmitted through the polycarbonate panels 17. Because the polycarbonate panels 17 cause balls to bounce off, less noise is caused when a polycarbonate panel 17 is hit than if one panel absorbed almost all the kinetic energy of the ball. Hardly any noise is caused when the cloth 20a is hit. With this, noise pollution for the environment by bullet trap 1 is considerably reduced compared to existing bullet traps. It is furthermore an advantage that the bullet trap 1 will collect all bullets that are fired somewhat in the direction of one of the targets 23 and collect it in collecting tray 14.
    When a polycarbonate panel 17 has become (too) seriously damaged over time, it can easily be replaced by a new polycarbonate panel. If Dyneema cloth 20a is weakened after many hits, it is possible for a bullet to penetrate cloth 20a, but even then the bullet will be caught by the second Dyneema cloth 20b. This prevents the first Dyneema cloth 20a from having to be replaced during a shooting competition if it were damaged during that shooting competition.
    In the figures and the foregoing description, only one embodiment of a bullet trap device according to the present invention is explained. It will be clear, however, that many variants, whether obvious or not obvious to those skilled in the art, are conceivable within the scope of the present invention which is determined by the following claims. Thus, instead of polycarbonate and Dyneema, other suitable materials can also be used for the panels or the fabric. Instead of chains, a different mass can be attached behind the cloths. The cloths could even be replaced by a material through which bullets can penetrate, absorbing so much kinetic energy from the bullet that the bullet will remain in the material in question, or with only a very low speed coming out at the rear where the bullet will come out is finally collected. The wooden frame and the metal frame can be made of another suitable material and can also have one shape deviating from the exemplary embodiment.
    权利要求:
    Claims (15)
    [1]
    A bullet-catching device comprising a target member which, at least when used, is arranged in line with a bullet trajectory of a shooter to at least one artificial target behind the at least one artificial target, the target member having a target surface which is situated relative to the bullet trajectory extending at an angle in the range of 15 to 35 degrees, and causing the target member striking a bullet from the bullet trajectory to deflect at least substantially absorbent absorbers, in the direction of the kinetic energy of the bullet, characterized in that it target is at least substantially translucent.
    [2]
    Ball-catching device according to claim 1, characterized in that the target surface extends with respect to the ball trajectory at an angle in the range of 20 to 30 degrees.
    [3]
    3. Bullet-catching device as claimed in claim 1 or 2, characterized in that the target surface is adapted to deflect a bullet striking the target surface at an angle with respect to the target surface.
    [4]
    Ball-catching device according to one or more of the preceding claims, characterized in that the target surface comprises at least substantially plastic.
    [5]
    A bullet trap device according to claim 4, characterized in that the plastic comprises polycarbonate.
    [6]
    A bullet trap device according to one or more of the preceding claims, characterized in that the target is detachably mounted in the bullet trap device.
    [7]
    Bullet trap device according to one or more of the preceding claims, characterized in that the target comprises a compound target.
    [8]
    A bullet-catching device according to one or more of the preceding claims, characterized in that the target, at least when used, is arranged at least substantially above the at least one artificial target, for receiving a bullet that is at least substantially to be fired up.
    [9]
    A bullet-catching device according to one or more of the preceding claims, characterized in that the absorbent means comprise at least one cloth, which is suspended in the expected path of a bullet bent by the target surface.
    [10]
    A bullet trap device according to claim 9, characterized in that the at least one cloth comprises Dyne fiber.
    [11]
    A bullet-catching device according to claim 9 or 10, characterized in that the absorbent means comprise an absorbent mass, viewed from the expected trajectory of a bullet deflected by the target surface, behind the at least one cloth.
    [12]
    A bullet-catching device according to claim 11, characterized in that the absorbent mass comprises metal chains hanging down behind the at least one cloth.
    [13]
    A ball-catching device as claimed in one or more of the foregoing claims, characterized in that a collecting member is provided at least substantially below the absorbing means, in which balls which are retained by the absorbing mass are collected.
    [14]
    A bullet-catching device as claimed in one or more of the foregoing claims, characterized in that the bullet-catching device comprises side walls for forming a sound-damping housing with the striking means.
    [15]
    A bullet trap device according to one or more of the preceding claims, characterized in that the bullet trap device is arranged behind a set of artificial targets.
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    同族专利:
    公开号 | 公开日
    NL1036504C2|2010-08-05|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3455554A|1965-10-19|1969-07-15|Hamlin Products Inc|Air gun shot arresting target|
    CA1022953A|1974-08-26|1977-12-20|Thomas Nilsson|Back lighted target with translucent projectile stop|
    NL9101329A|1991-08-01|1993-03-01|Joannes Jozef Antonius Maria V|Bullet catcher|
    US6526861B1|1997-11-12|2003-03-04|Heinz Gruber|Projectile stopping device|
    法律状态:
    2014-08-31| RE| Patent lapsed|Effective date: 20140228 |
    优先权:
    申请号 | 申请日 | 专利标题
    NL1036504|2009-02-03|
    NL1036504A|NL1036504C2|2009-02-03|2009-02-03|BALL CATCHER.|
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