RIFLE

Description

DESCRIPTION

[0001] The present invention relates to a rifle 5 semi-automatic.

[0002] In particular, with “semi-automatic rifle” it means a semi-automatic rifle for sporting use, for example for hunting.

[0003] In known embodiments, the rifles 10 semi-automatics comprise a main body, also known as carcass, in which they are housed or on the which specific components are involved such as those of the firing mechanism or the trigger assembly.

[0004] In particular, the semi-automatic rifle 15 The subject of this invention is of the type known as “gas operated”. In this semi-automatic rifle it is the energy of the gases resulting from the explosion was exploited of gunpowder: a part of these gases is in fact tapped from the barrel through one or more holes 20 in order to generate an expansion within a tank tube group comprising a closed cylinder and a sliding piston. The thrust of the piston generates a in turn an impulse that rearms the mobile masses, ejects the case and loads the new ammunition. 25

[0005] In known rifle solutions semi-automatic, interaction and group geometry barrel and magazine tube group are found to be particularly complex going to request specific production and maintenance operations. 5

[0006] The purpose of the present invention is to provide a semi-automatic rifle solution alternative to state-of-the-art solutions suitable to allow a simple and effective interaction between barrel group and magazine tube group. 10

[0007] This goal is achieved by the rifle semi-automatic according to claim 1. The claims from these employees ask for protection for additional features and involve additional technical advantages. 15

[0008] In addition, further features and advantages of the invention will appear from the description Below are some of his favorite examples of realization, data for indicative purposes only and not limited to, with reference to the attached figures, in which: 20

[0009] – Figure 1 shows a rifle in perspective semi-automatic according to the present invention;

[0010] – Figure 2 shows a side view partially sectioned semi-automatic rifle of which to figure 1; 25

[0011] – Figure 2a represents a view zoomed in on a region of Figure 2;

[0012] – Figure 3 is a perspective view of separate parts of a barrel group and a device gas cylinder included in the rifle referred to in 5 figure 1;

[0013] – Figure 4 is a bottom view of the barrel group and cylinder device, shown in the figure 3, assembled;

[0014] – Figure 5 is a sectional view 10 transversal of figure 4.

[0015] With reference to the attached figures, with the number 1 is indicated, in its entirety, a rifle semi-automatic in accordance with the present invention.

[0016] Preferably, said semi-automatic rifle 15 1 is a semi-automatic rifle for sporting use, for hunting example.

[0017] In accordance with the present invention, the semi-automatic rifle 1 comprises a main body 2. Preferably said main body 2 is also 20 known as carcass.

[0018] This main body 2 houses or supports all the various components required to perform the action of I shoot.

[0019] The semi-automatic rifle 1 comprises a 25 barrel group 3, which extends in length from the body main 2.

[0020] Said barrel group 3 extends along an axis cane XX.

[0021] Furthermore, the barrel group 3 is engaged in the 5 main body 2.

[0022] According to the present invention, the group rod 3 comprises a rod 30 that extends along the XX barrel axis.

[0023] Said barrel 30 is engaged by means of 10 one end to the main body 2. The other end is the muzzle of the 30 barrel and the rifle semi-automatic 1.

[0024] Preferably, said barrel 30 is in a metallic material, such as steel alloy. 15

[0025] In addition, the semi-automatic rifle 1 includes a tank tube group 4, which extends in length from the main body 2.

[0026] The tank tube group 4 extends along a CC cylinder axis. 20

[0027] Said cylinder axis CC is substantially parallel to the axis of the XX barrel.

[0028] Returning to barrel group 3, this includes a support ring 35 engaged below the 30 barrel. 25

[0029] The support ring 35 develops with respect to to the CC cylinder axis.

[0030] Preferably, the support ring 35 is concentric with the cylinder axis CC.

[0031] According to the present invention, the group 5 barrel 3 also comprises at least one hole 300 which is extends transversely from the 30 barrel to the ring of support 35 to allow the gases to flow out. In particular, through at least one hole 300 gases flow from the barrel 30 to the piston to perform the 10 rearmament operations.

[0032] In accordance with a preferred form of realization, the barrel group 3 includes at least two 300 angularly spaced holes.

[0033] Preferably, the support ring 35 is made of 15 metallic material, preferably alloy steel.

[0034] Preferably, the support ring 35 is joined as one piece with the 30 barrel.

[0035] Preferably, the support ring 35 is 20 welded and heat treated together with the barrel 30.

[0036] In accordance with a preferred form of realization, the support ring 35 extends axially for a length of about 2 centimeters. 25

[0037] In accordance with the present invention, the tank tube group 4 includes a device gas socket cylinder 5.

[0038] The gas intake cylinder device 5 is mountable to the support ring 35 comprising a 5 hollow cylinder 51 and a fixing ring 52.

[0039] In accordance with the present invention, the hollow cylinder 51 and the fixing ring 52 are mutually binding to tighten to the ring of support 35. 10

[0040] Said hollow cylinder 51 and a ring nut of fixing 52 operate respectively along the axis CC cylinder in a first direction and in a second direction.

[0041] In other words, preferably, the cylinder cable 51 and the fixing ring 52 perform respective 15 push and tighten actions on both sides of the ring of support 35.

[0042] Preferably, the cylinder device gas intake 5 can be passed through by piston 40 included in the tank tube group 4. 20

[0043] According to a preferred embodiment, the hollow cylinder 51 comprises an annular surface smooth 510, complementary in shape to the ring of support 35. Preferably, the support ring 35 comprises an annular internal wall 351 and the 25 smooth annular surface 510 has complementary shape said annular internal wall 351.

[0044] Preferably, said annular surface smooth 510 including a passage slot 510', which it extends along a circumferential stretch, overlooking, 5 in the radial direction, at least one hole 300. Preferably, through the said passage hole 510' the gases flow through hole 300. Preferably, the 510' pass-through slot extends in such a way as to be radially facing the 10 plurality of holes 300.

[0045] According to a preferred embodiment, the hollow cylinder 51 comprises at the ends from smooth annular surface 510, an annular abutment 511 suitable for batting with the support ring 35 15 and a fastening region 512 engageable by the ring nut fixing 52.

[0046] In accordance with a preferred form of realization, the smooth annular surface 510 comprises a 515 annular groove and the cylinder assembly 20 gas socket 5 includes a gasket 55 suitable for seal the support ring 35.

[0047] Preferably, said annular groove 515 is positioned proximal to the fixing ring 52.

[0048] In accordance with a preferred form of 25 embodiment, the hollow cylinder 51 comprises a thread 518 and fixing ring 52 includes a 528 nut.

[0049] Preferably, the annular groove 515, and preferably gasket 55, is positioned in a 5 area proximal to the fixation region 512.

[0050] According to a preferred embodiment, the hollow cylinder 51 also includes vent holes axial 518.

[0051] According to a preferred embodiment, 10 the hollow cylinder 51 also includes a vent member 519 which extends to the opposite side from the bezel of fastening 52, wherein said vent member 519 comprising an elastic element 519'.

[0052] Preferably, said vent member 519 is 15 fitted on the hollow cylinder 51, and extends concentrically to it.

[0053] Preferably, said elastic element 519' it is a spring, preferably a coil spring.

[0054] According to a preferred embodiment, 20 the gas passes through the axial vent holes 518 and performs an action on the vent organ 519 winning the action of the elastic element 519'. In other words, the vent axial occurs only in the presence of a pressure that overcomes the elastic action of the elastic element 519'. 25

[0055] Innovatively, the semi-automatic rifle The object of the present invention fulfills in full for the intended purpose.

[0056] Advantageously, the semi-automatic rifle the object of the present invention is a solution 5 alternative to the known ones.

[0057] Advantageously, the semi-automatic rifle The subject of the present invention presents a innovative mountable gas cylinder device, and removable from the support ring. 10

[0058] Advantageously, the cylinder device Mountable gas socket allows for simple gas operations maintenance and cleaning.

[0059] Advantageously, the semi-automatic rifle simplifies the production operations of the rifle in the 15 its entirety, but above all of the barrel group.

[0060] It is clear that a technician in the sector, in order to meet contingent needs, could bring modifications to the invention described above, all contained within the scope of protection as defined by the 20 following claims.

Claims

1. A semi-automatic rifle (1) comprising: i) a main body (2); ii) a barrel assembly (3) comprising a barrel (30) extending along a barrel axis (XX) engaged at one end with the main body (2), a support ring (35) engaged below the barrel (30), extending with respect to a cylinder axis (CC) substantially parallel with the barrel axis (XX) and at least one hole (300) extending transversely from the barrel (30) to the support ring (35) to allow the flow of gases; iii) a magazine tube assembly (4) extending along the cylinder axis (CC) engaged at one end with the main body (2), and comprising a gas cylinder device (5) mountable on the support ring (35) comprising a hollow cylinder (51) and a fixing ring (52) mutually engageable to tighten onto the support ring (5), operating respectively along the cylinder axis (CC) in a first direction and in a second direction.

2. Semi-automatic rifle (1) according to claim 1, wherein the support ring (35) is integrally joined with the barrel (30).

3. Semi-automatic rifle (1) according to any of the preceding claims, wherein the hollow cylinder (51) comprises a smooth annular surface (510), of a shape complementary to an annular internal wall (351) included in the support ring (35), wherein said smooth annular surface (510) comprises a passage slot (510'), which extends for a circumferential section, facing the at least one hole (300).

4. Semi-automatic rifle (1) according to claim 3, wherein the hollow cylinder (51) comprises at the ends with a smooth annular surface (510), an annular abutment (511) suitable to abut with the support ring (35) and a fixing region (512) engageable by the fixing ring (52).

5. Semi-automatic rifle (1) according to claim 3 or claim 5, wherein the smooth annular surface (510) comprises an annular recess (515) and the gas cylinder assembly (5) comprises a gasket (55) adapted to fit in said annular recess (515) to seally engage the support ring (35).

6. Semi-automatic rifle (1) according to claim 5, wherein said annular recess (515) is positioned proximal to the fixing ring (52).

7. Semi-automatic rifle (1) according to any of the preceding claims, wherein the hollow cylinder (51) comprises a thread (518) and the fixing ring (52) comprises a nut (528).

8. Semi-automatic rifle (1) according to any of the preceding claims, wherein the hollow cylinder (51) also comprises axial vent holes (518).

9. Semi-automatic rifle (1) according to claim 8, wherein the hollow cylinder (51) also comprises a vent member (519) extending from the opposite side to the fixing ring (52), wherein said vent member (519) comprises an elastic element (519'), preferably a spring, and wherein the gas passes through the axial vent holes (518) and performs an action on the vent member (519) overcoming the action of the elastic element (519').