Low-recoil firearm

Abstract

To further reduce recoil in a low-recoil firearm equipped with a counterweight.SOLUTION: There is provided a low-recoil firearm 1 equipped with a counterweight 22. There are two or more counterweights 22a, 22b, and the kinetic energy of a bullet received by a gun barrel 11 is transmitted to each of the counterweights 22a, 22b and dispersed. A stopping mechanism stops each of the counterweights 22a, 22b separately. While the kinetic energy transmitted to one counterweight is dissipated, the stopping mechanism dissipates the kinetic energy dispersed by the two counterweights 22a, 22b.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a low recoil firearm, and more particularly to a low recoil firearm equipped with a counterweight. [Background technology]

[0002] 2. Description of the Related Art When a firearm such as a gun is fired, a recoil occurs when the bullet is fired. Some firearms are known that are equipped with a counterweight to reduce this recoil. The low-recoil firearm shown in Patent Document 1 reduces recoil by transmitting the recoil of the gun barrel when a bullet is fired to a counterweight. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2017-129306 A Summary of the Invention [Problem to be solved by the invention]

[0004] When a bullet is fired, the kinetic energy of the bullet that the barrel receives is transmitted to the counterweight. However, the kinetic energy received by the counterweight needs to be dissipated. In conventional low-recoil firearms, the process by which the counterweight dissipates the kinetic energy received was not optimal. The present invention provides further recoil reduction in low recoil firearms that include a counterweight. [Means for solving the problem]

[0005] The present invention relates to a low recoil firearm equipped with a counterweight, the counterweight being two or more in number and equipped with a stopping mechanism for stopping each counterweight separately. In the above configuration, the counterweight is two or more, and the kinetic energy of the bullet that the barrel receives is transmitted to each counterweight and dispersed. The stopping mechanism stops each counterweight separately. While the kinetic energy transmitted to one counterweight is dissipated, the stopping mechanism dissipates the kinetic energy dispersed by multiple counterweights. Effect of the Invention

[0006] The low recoil firearm of the present invention dissipates kinetic energy distributed across multiple counterweights, thereby reducing recoil more effectively than a firearm equipped with a single counterweight. [Brief description of the drawings]

[0007] [Figure 1] FIG. 1 is a schematic diagram of an initial state of a low recoil firearm according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a schematic diagram of the low recoil firearm in an intermediate state. [Diagram 3] FIG. 2 is a schematic diagram of the low recoil firearm in a stopped state. [Figure 4] FIG. 2 is a schematic diagram of the initial state, illustrating in simplified form the operating principle of the low recoil firearm. [Diagram 5] FIG. 2 is a schematic diagram illustrating the operation principle of the low recoil firearm in a stopped state in a simplified manner. [Figure 6] FIG. 2 is a front view of the counterweight, illustrating the operating principle of the low recoil firearm in a simplified manner. [Figure 7] FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Figure 8] FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Figure 9] FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Figure 10] FIG. 2 is a schematic diagram of the low recoil firearm in an intermediate state. [Figure 11] FIG. 2 is a schematic diagram of the low recoil firearm in a stopped state. [Figure 12]FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Figure 13] FIG. 2 is a schematic diagram of the low recoil firearm in an intermediate state. [Figure 14] FIG. 2 is a schematic diagram of the low recoil firearm in a stopped state. [Figure 15] FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Figure 16] FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Figure 17] FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Figure 18] FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Figure 19] FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Figure 20] FIG. 2 is a schematic diagram of the low recoil firearm in a stopped state. [Figure 21] FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Figure 22] FIG. 13 is a schematic diagram of an initial state of a low-recoil firearm according to a modified example. [Diagram 23] FIG. 2 is a schematic diagram of the low recoil firearm in a stopped state. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 to 3 are schematic diagrams showing a low recoil firearm according to one embodiment of the present invention, with FIG. 1 showing an initial state, FIG. 2 showing an intermediate state, and FIG. 3 showing a stopped state. In the figure, the low recoil firearm 1 is a low recoil firearm equipped with a counterweight. The barrel 11 of the low recoil firearm 1 has a firing port on the upper right of the figure. The firing port side is called the front direction, and the chamber side is called the rear direction. It is supported by a part 12 of the frame so that it can move back and forth. When a bullet is fired, the barrel 11 receives recoil toward the upper left of the figure. A slide rail 21 is disposed behind the barrel 11, and the slide rail 21 supports a counterweight 22 (22a, 22b) so that it can slide back and forth within a predetermined range. A bolt 13 is disposed behind the barrel 11.

[0009] 4 to 6 are schematic diagrams showing the operation principle, with Fig. 4 showing the initial state and Fig. 5 showing the stopped state. Fig. 6 shows the counterweight in a front view. For the sake of simplicity, the shape of the counterweight is depicted in a simplified manner. The counterweights 22a and 22b are the same member, and are arranged upside down when attached. The slide rail 21 has a flat plate portion 21a, and is fixed to a frame (not shown) at the top of the flat plate portion 21a. The lower end of the flat plate portion 21a is formed with a cylindrical portion 21b having a circular cross section.

[0010] The counterweight 22 (22a, 22b) is generally prismatic, and a groove 22c is formed in the center of the width of the upper and lower surfaces, into which the flat plate portion 21a of the slide rail 21 is inserted toward the inside, and a circular recess 22d is formed at the back of the groove 22c, into which the cylindrical portion 21b of the slide rail 21 can be inserted. The width of the groove 22c is smaller than the diameter of the cylindrical portion 21b, and the length of the groove 22c is slightly shorter than the flat plate portion 21a. Therefore, the slide rail 21 can be inserted in the front-rear direction of the counterweights 22a, 22b, and when inserted, the slide rail 21 can suspend and support the counterweights 22 (22a, 22b) in a state in which the counterweights 22 can slide in the length direction.

[0011] Through holes 22e, 22e penetrate the counterweight 22 in the front-rear direction at symmetrical positions. The through hole 22e has a large diameter portion 22e1 with a large diameter at the rear side and a small diameter portion 22e2 with a small diameter at the front side. A bolt 23 is inserted into each through hole 22e from the rear side, and the head 23a of the bolt 23 is inserted up to the boundary surface with the large diameter portion 22e1, and only the threaded portion 23b penetrates the small diameter portion 22e2.

[0012] When the counterweights 22a and 22b are arranged in the front-rear direction with the top and bottom directions reversed, a female screw hole 22f into which the screw portion 23b can be screwed is formed at a portion where the small diameter portion 22e2 of the through hole 22e faces. Therefore, when the bolt 23 is inserted from the large diameter portion 22e1, the screw portion 23b protruding through the small diameter portion 22e2 can be screwed into the female screw hole 22f at the facing position. Additionally, a female screw hole 12f is formed in the same position in the frame part 12. Therefore, the threaded portion 23b of the bolt 23 that passes through the counterweight 22a on the side adjacent to the barrel 11 can be screwed into the female screw hole 12f.

[0013] The threaded portion 23b is made slightly longer than the length of the small diameter portion 22e2 of the through hole 22e. First, the counterweight 22a is placed in a position where it contacts the part of the frame 12, and the counterweight 22b is placed in a position where it contacts the counterweight 22a. When the counterweight 22b moves away from the counterweight 22a by an amount that is longer than the length of the small diameter portion 22e2, it stops, and when the counterweight 22a moves away from the part of the frame 12 by the same length difference, it stops. In this manner, the counterweights 22a, 22b are slidably connected to each other so that they can be spaced apart from each other by a predetermined distance in the moving direction. Therefore, a stopping mechanism is formed by the through hole 22e, the bolt 23, the female screw holes 22f, 12f, etc.

[0014] In this example, the length of the bolt 23 is longer than the small diameter portion 22e2, so that the counterweights 22a and 22b stop at a position separated by a predetermined length from the state where they are in contact with each other. The counterweights stop directly when the head 23a abuts against the boundary surface between the large diameter portion 22e1 and the small diameter portion 22e2. In this case, the counterweight 22 stops by colliding with a stopping member consisting of the bolt 23, the through hole 22e, etc.

[0015] On the other hand, instead of stopping the moment head 23a comes into contact with the boundary surface between large diameter portion 22e1 and small diameter portion 22e2, for example, head 23a of bolt 23 may be in sliding contact with the inner peripheral surface of large diameter portion 22e1 or a sliding member may be provided between them, so that resistance is generated when bolt 23 slides within large diameter portion 22e1. In this case, counterweight 22 stops by sliding against a stopping member formed of bolt 23, through hole 22e, etc. It is also possible to combine sliding and then collision.

[0016] In this example, the counterweights 22a and 22b are connected to each other, forming a stopping mechanism that stops them one after the other. However, if multiple protrusions are provided on the slide rail 21 so that the counterweights 22a and 22b come into contact with each other at the stopping positions of the counterweights 22a and 22b relative to the slide rail 21, each of the counterweights 22a and 22b can come into contact with each of the protrusions when moving backward from the initial position. In other words, instead of stopping the counterweights 22a and 22b together, each of the counterweights 22a and 22b can be made to come into contact with the above-mentioned protrusions and stop.

[0017] Next, returning to Figs. 1 to 3, a low recoil firearm according to one embodiment of the present invention is shown in schematic diagrams, with Fig. 1 showing an initial state, Fig. 2 showing an intermediate state, and Fig. 3 showing a stopped state. As shown in Figure 1, when the low recoil firearm 1 fires a bullet, the barrel 11 tries to move backward due to the recoil. Then, a part of the barrel 11 pushes the adjacent counterweight 22a backward. At this time, the recoil of the barrel 11 is transmitted to the counterweight 22a, but since the counterweight 22b is in contact with the counterweight 22a, the transmitted kinetic energy is dispersed to the counterweights 22a and 22b. Then, the counterweights 22a and 22b start to move backward due to the recoil transmitted to them.

[0018] FIG. 2 shows the state where the counterweight 22a is separated from the part 12 of the frame by the above-mentioned length. Until the counterweight 22a moves to this position, the counterweight 22a slides without any restriction. However, when it reaches this position, the head 23a of the bolt 23 hits the boundary surface between the large diameter part 22e1 and the small diameter part 22e2 of the through hole 22e, so it cannot move any further and stops. In other words, the first counterweight 22a of the multiple counterweights 22 has been stopped by the stopping mechanism. In order to stop the counterweight 22a, it tries to pull the part 12 of the frame backward, but there is a time difference from the time of firing and the recoil is distributed, so the recoil is low.

[0019] On the other hand, the counterweight 22a and the counterweight 22b which receives the reaction force in a distributed manner continue to move rearward. FIG. 3 shows the state where the counterweight 22b is separated from the already stopped counterweight 22a by the above-mentioned length. Until the counterweight 22b moves to this position, the counterweight 22b slides without any restriction. However, when it reaches this position, the head 23a of the bolt 23 hits the boundary surface between the large diameter portion 22e1 and the small diameter portion 22e2 of the through hole 22e, so it cannot move any further and stops. In other words, the second counterweight 22b of the multiple counterweights 22 has stopped due to the stopping mechanism. In order to stop it, the counterweight 22a and the part 12 of the frame are being pulled backwards, but there is a time difference from the time of firing and the recoil is dispersed, so the recoil is low.

[0020] In this way, there are two or more counterweights 22, and in order to stop each counterweight 22 (22a, 22b) separately, a stopping mechanism consisting of a through hole 22e, a bolt 23, and female screw holes 22f, 12f is provided.

[0021] In the low recoil firearm shown in Figures 1 to 6, the two counterweights 22a and 22b each have the same mass. In other words, each of the multiple counterweights has the same mass. In this way, the kinetic energy of the recoil is distributed approximately evenly.

[0022] 7 and 8 are schematic diagrams of the initial state of the low recoil firearm according to the modified example. In the modified example shown in Figure 7, the counterweight 22a1 closer to the barrel 11 has a greater mass than the counterweight 22b1 farther from the barrel, and in the modified example shown in Figure 8, the counterweight 22a2 closer to the barrel 11 has a smaller mass than the counterweight 22b2 farther from the barrel. In other words, the masses of the multiple counterweights are different. Note that in the figure, part 12 of the frame is not shown, and only the rear end 11a of the barrel is shown, which is supported slidably at this part.

[0023] As mentioned above, the recoil of a bullet is distributed to multiple counterweights and stopped at small intervals by the stopping mechanism. When this stops, the user of the low-recoil firearm receives the distributed recoil in some way. By making the mass of the counterweight that stops first larger or smaller than the mass of the counterweight that stops later, the way in which the distributed recoil is received changes. This allows the ease of handling of the low-recoil firearm to be adjusted.

[0024] 9 to 11 are schematic diagrams showing a low-recoil firearm according to a modified example, with FIG. 9 showing the initial state, FIG. 10 showing a midway state, and FIG. 11 showing a stopped state. In this modification, the counterweights 22g1 and 22g2 have a larger mass than the counterweights 22a and 22b. Although not shown, the modification is provided with a slide rail and a stop mechanism similar to the modification shown in FIGS.

[0025] As shown in FIG. 9, in the initial state, the counterweights 22g1 and 22g2 are almost in contact with each other and are slightly spaced from the bolt 13. As shown in Figure 10, when a bullet is fired, the barrel 11 and the bolt 13 at the rear end receive recoil and move backward, and the bolt 13 at the rear end abuts against the counterweight 22g1 close to the barrel 11, transmitting the recoil. Then, the counterweights 22g1 and 22g2, which are almost in contact with each other, both receive recoil and transmit the kinetic energy that moves them backward. Therefore, after this, the two counterweights 22g1 and 22g2 start to move backward while remaining almost in contact with each other.

[0026] Figure 11 shows the stopped state, and up until this point, the two counterweights 22g1 and 22g2 move backwards at the same time while remaining almost in contact with each other, and then the counterweight 22g1 stops first, and the counterweight 22g2 stops a short time later. As shown in Figure 11, the two counterweights 22g1 and 22g2, which have stopped after a time lag, are stopped at positions separated from each other.

[0027] The larger mass of the 22g1 and 22g2 counterweights allows a larger recoil force to be transmitted to the counterweight, allowing adjustment to suit different recoil forces depending on the bullet.

[0028] 12 to 14 are schematic diagrams showing a low recoil firearm according to a modified example, with FIG. 12 showing the initial state, FIG. 13 showing the intermediate state, and FIG. 14 showing the stopped state. In this modification, the counterweights 22h1 and 22h2 are generally ring-shaped and are disposed so as to surround the bolt 13. The counterweights 22h1 and 22h2 do not require a slide rail because they are penetrated by the bolt 13. Also, a stop mechanism similar to that of the modification shown in Figs. 12, in the initial state, the counterweights 22h1 and 22h2 are substantially in contact with each other and are stationary in a state in which they surround the bolt 13. Also, they are slightly spaced from the rear end 11a of the barrel.

[0029] As shown in Figure 13, when a bullet is fired, the barrel 11 and the bolt 13 at the rear end receive recoil and move backward, and the rear end 11a of the barrel abuts against the counterweight 22h1 close to the barrel 11, transmitting the recoil. Then, the counterweights 22h1 and 22h2, which are almost in contact with each other, both receive recoil and transmit the kinetic energy that moves them backward. Therefore, after this, the two counterweights 22h1 and 22h2 start to move backward while remaining almost in contact with each other.

[0030] Figure 14 shows the stopped state, and up until this point, the two counterweights 22h1 and 22h2 move backwards at the same time while remaining almost in contact with each other, and then the counterweight 22h1 stops first, and the counterweight 22h2 stops a short time later. As shown in Figure 14, the two counterweights 22h1 and 22h2, which have stopped after a time lag, are stopped at positions separated from each other.

[0031] The counterweights 22h1 and 22h2 receive the recoil while surrounding the bolt 13, and then stop. In other words, the multiple counterweights are arranged around the axis of the bullet. As a result, the gun barrel 11 is in a position surrounding the axis of the bullet when it transmits the recoil to the counterweights 22h1 and 22h2 and when the counterweights 22h1 and 22h2 stop, so the gun barrel 11 does not deviate from the axis of the bullet and does not affect the trajectory of the bullet.

[0032] 15 to 17 are schematic diagrams showing the initial state of a low-recoil firearm according to a modified example, and in each case, the counterweight is disposed on the side of the gun barrel 11. In the modified example shown in Figure 15, counterweights 22i1, 22i2 are placed above the barrel 11, while counterweights 22j1, 22j2 are placed below the barrel 11. In addition, a barrel tip member 11b is formed on the side closer to the tip of the barrel 11 so that it can come into contact with the counterweights 22i1, 22i2, 22j1, 22j2 when the barrel 11 moves due to recoil.

[0033] In this way, the multiple counterweights 22i1, 22i2, 22j1, 22j2 are arranged facing each other across the axis of the trajectory. As a result, even when the gun barrel 11 transmits recoil to the counterweights 22i1, 22i2, 22j1, 22j2 and when the counterweights 22i1, 22i2, 22j1, 22j2 stop, they are in positions facing each other across the axis of the trajectory, so at least the gun barrel 11 does not cause the axis of the trajectory to move up or down and does not affect the trajectory of the bullet.

[0034] In the modification shown in Fig. 16, only the counterweights 22i1, 22i2 are placed on the upper side of the barrel 11, while in the modification shown in Fig. 16, only the counterweights 22j1, 22j2 are placed on the lower side of the barrel 11. Since low-recoil firearms are not symmetrical in the up-down direction, placing the counterweights 22i1, 22i2, 22j1, 22j2 on the upper or lower side of the barrel 11 makes it possible to mitigate the recoil as a whole in a well-balanced manner.

[0035] FIG. 18 is a schematic diagram of an initial state of a low recoil firearm according to a modified example. In the examples so far, there have been two counterweights, but the number of counterweights is not limited to two. As shown in the figure, four counterweights 22k1, 22k2, 22k3, and 22k4 can also be used. By using four counterweights 22k1, 22k2, 22k3, and 22k4, the recoil transmitted from the barrel 11 can be stopped in four parts by the counterweights 22k1, 22k2, 22k3, and 22k4, so that the recoil can be dispersed more finely and the recoil felt can be softened.

[0036] 19 and 20 are schematic diagrams showing a modified low-recoil firearm, with FIG. 19 showing the initial state and FIG. 20 showing the stopped state. This modified example is a semi-automatic low recoil firearm, in which the barrel 11 and the bolt 13 receive recoil separately and slide rearward. The two pairs of counterweights 22m1, 22m2 and the counterweights 22n1, 22n2 receive recoil from the barrel 11 and the bolt 13, respectively.

[0037] The counterweights 22m1 and 22m2 are positioned on the upper side based on the trajectory of the gun barrel 11, and are supported on a slide rail 21 that is supported on a frame (not shown) at the upper side so that they can slide in the front-rear direction. The counterweights 22m1 and 22m2 are equipped with a stopping mechanism similar to that shown in Figures 4 to 6. The counterweights 22m1 and 22m2 receive recoil when the rear end 11a of the gun barrel retracts.

[0038] The counterweights 22n1, 22n2 are positioned below the trajectory of the barrel 11, and are supported on a slide rail 21 that is supported on a frame (not shown) or the like so that they can slide forward and backward. The counterweights 22n1, 22n2 are also equipped with a stopping mechanism similar to that shown in Figures 4 to 6. The counterweights 22n1, 22n2 receive recoil when the bolt 13 retracts.

[0039] When a bullet is fired and the barrel 11 begins to recoil and comes into contact with the counterweights 22m1 and 22m2, the counterweights 22m1 and 22m2 begin to move backward due to the recoil. Furthermore, when a bullet is fired, the bolt 13 also moves backward, but when the bolt 13 moves a predetermined distance, it comes into contact with the counterweights 22n1, 22n2, and the counterweights 22n1, 22n2 start to move backward due to the recoil.

[0040] Like the other modified examples, the counterweights 22m1 and 22m2 and the counterweights 22n1 and 22n2 stop with a time lag between each other, and when they stop, the user of the low recoil firearm feels recoil, but since the recoil is distributed, the user feels that the recoil is low. In this way, counterweights 22m1, 22m2 and counterweights 22n1, 22n2 can be finely adjusted to match the barrel 11 and bolt 13, thereby reducing recoil felt by the user.

[0041] In this manner, this low recoil firearm has a plurality of components that generate recoil (the barrel 11 and the bolt 13), and has a plurality of separate counterweight groups for each of the components (counterweights 22m1, 22m2 and counterweights 22n1, 22n2).

[0042] FIG. 21 is a schematic diagram of an initial state of a low recoil firearm according to a modified example. The mass of the counterweights 22p1 and 22p2 is smaller than the counterweights shown so far. The heavier the counterweight, the better. It is better to adjust the counterweight appropriately for each low-recoil firearm.

[0043] 22 and 23 are schematic diagrams showing a low recoil firearm according to a modified example, with FIG. 22 showing the initial state and FIG. 23 showing the stopped state. In each of the above examples, the rear end 11a of the barrel moves back and directly contacts the counterweight, or the bolt 13 moves back and directly contacts the counterweight. In contrast, in this modification, a buffer material 24 is disposed between the rear end 11a of the barrel and the counterweights 22q1, 22q2. The buffer material 24 is made of, for example, a hard resin or aluminum. The buffer material 24 is selected from a material that is softer than the rear end 11a of the barrel and the counterweights 22q1, 22q2.

[0044] 22, there is a gap between the rear end 11a of the barrel and the buffer material 24, and there are also gaps between the buffer material 24 and the counterweights 22q1, 22q2. When a bullet is fired, the barrel 11 starts to move backward due to recoil, and the rear end 11a of the barrel first comes into contact with the buffer material 24 and then moves backward together with the buffer material 24. When the buffer material 24 comes into contact with the counterweight 22q1, the recoil received by the barrel 11 is instantly transmitted to the counterweights 22q1, 22q2.

[0045] At this time, even if an impact is applied to the rear end 11a of the barrel or the counterweights 22q1, 22q2, the buffer material 24 is made of a softer material than the rear end 11a of the barrel or the counterweights 22q1, 22q2, so the rear end 11a of the barrel or the counterweights 22q1, 22q2 will not be damaged. After that, after a short period of time, the counterweights 22q1 and 22q2 are stopped in order by the stopping mechanisms, dispersing the recoil.

[0046] In this way, the low recoil firearm has a barrel rear end 11a that generates recoil, and a buffer material 24 is disposed between the barrel rear end 11a and the counterweights 22q1, 22q2. It goes without saying that the present invention is not limited to the above-mentioned embodiment. -Appropriately change and apply the mutually replaceable members and configurations disclosed in the above embodiments. · Appropriately replacing members and configurations that are not disclosed in the above embodiments but are publicly known and can be mutually substituted for the members and configurations disclosed in the above embodiments, and changing the combinations thereof for application. - Substitute members and configurations, etc. that are not disclosed in the above embodiments but that a person skilled in the art could imagine as substitutes for the members and configurations, etc. disclosed in the above embodiments based on publicly known techniques, and change and apply the combinations. is disclosed as one embodiment of the present invention. [Explanation of symbols]

[0047] 1. Low recoil firearms, 11...gun barrel, 11a… rear end of barrel, 11b...Barrel tip member, 12…Part of the frame, 12f…female screw hole, 13…Bolt, 21…Slide rail, 21a...flat plate part, 21b...Cylindrical part, 22(22a,22a1,22a2,22b,22b1,22b2,22g1,22g2,22h1,22h2,22i1,22i2,22j1,22j2,22k1,22k2,22k3,22k4,22m1,22m2,22n1,22n2,22p1,22p2,22q1,22q2)…Counterweight, 22c...Groove, 22d...Circular recess, 22e...Through hole, 22e1...large diameter part, 22e2…Small diameter part, 22f…female screw hole, 23…Bolt, 23a...head, 23b...Threaded portion, 24...Buffer material.

Claims

1. A low-recoil firearm equipped with a counterweight, The low recoil firearm is characterized in that the counterweight is two or more and is provided with a stopping mechanism for stopping each counterweight separately.

2. 2. The low recoil firearm according to claim 1, wherein each of the plurality of counterweights has the same mass.

3. 2. The low recoil firearm according to claim 1, wherein the masses of the plurality of counterweights are different.

4. 2. The low recoil firearm according to claim 1, wherein the plurality of counterweights are arranged around the axis of the projectile.

5. 2. The low recoil firearm according to claim 1, wherein the plurality of counterweights are disposed opposite each other across the axis of the bullet trajectory.

6. 2. The low recoil firearm according to claim 1, further comprising a member that generates recoil, and a buffer material is disposed between the member and the counterweight.

7. 2. The low recoil firearm according to claim 1, wherein the low recoil firearm comprises a plurality of members for generating recoil, each of which is provided with a separate plurality of counterweight groups.

8. 2. The low recoil firearm according to claim 1, wherein the plurality of counterweights are slidably connected to each other so as to be spaced apart from each other by a predetermined distance in the direction of movement.

9. 2. The low recoil firearm according to claim 1, wherein each of the plurality of counterweights is individually stopped.

10. 2. The low recoil firearm according to claim 1, wherein the counterweights are stopped by colliding with a stopping member.

11. 2. The low recoil firearm according to claim 1, wherein a plurality of counterweights are stopped by sliding them against the stop member.

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