WO2020128684A1 - Kit de conversión para rifles de asalto - conjunto culata plegable para armas - Google Patents
Kit de conversión para rifles de asalto - conjunto culata plegable para armas Download PDFInfo
- Publication number
- WO2020128684A1 WO2020128684A1 PCT/IB2019/060141 IB2019060141W WO2020128684A1 WO 2020128684 A1 WO2020128684 A1 WO 2020128684A1 IB 2019060141 W IB2019060141 W IB 2019060141W WO 2020128684 A1 WO2020128684 A1 WO 2020128684A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tactical
- cylinder head
- rifle
- handguard
- assembly
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
- F41C23/00—Butts; Butt plates; Stocks
- F41C23/04—Folding or telescopic stocks or stock parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A11/00—Assembly or disassembly features; Modular concepts; Articulated or collapsible guns
- F41A11/02—Modular concepts, e.g. weapon-family concepts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A11/00—Assembly or disassembly features; Modular concepts; Articulated or collapsible guns
- F41A11/04—Articulated or collapsible guns, i.e. with hinged or telescopic parts for transport or storage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A3/00—Breech mechanisms, e.g. locks
- F41A3/64—Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings
- F41A3/72—Operating handles or levers; Mounting thereof in breech-blocks or bolts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
- F41C23/00—Butts; Butt plates; Stocks
- F41C23/14—Adjustable stock or stock parts, i.e. adaptable to personal requirements, e.g. length, pitch, cast or drop
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
- F41C23/00—Butts; Butt plates; Stocks
- F41C23/16—Forestocks; Handgrips; Hand guards
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G1/00—Sighting devices
- F41G1/06—Rearsights
- F41G1/10—Rearsights with notch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G1/00—Sighting devices
- F41G1/06—Rearsights
- F41G1/12—Rearsights with line or mark other than notch
Definitions
- the present invention falls within the technological field of weaponry, in particular of individual firearms such as rifles.
- the invention refers to firearms that are supported on the shoulder like rifles and their constituent parts like butts, such as handles, handguards and different accessories for rifles.
- the present invention meets the needs of modernization and tactical adaptation to assault rifles, avoiding the purchase of new weapons and with a reduced manufacturing cost. Additionally, an important feature in the use of weapons is their ergonomics and maneuverability, due to the diversity of anthropometric or laterality characteristics of the users, a complete coupling to them is necessary, and deficiencies in the adaptability and ergonomics of the weapon end up decreasing the user's precision due to possible numbness of the upper extremities and even causing injuries due to unnecessary pressure in the carpal tunnel 1 .
- US Patent 8,448,366 B2 provides an advance in the conversion of pistols to a short-barreled rifle, including certain modifications such as a stock and devices for holding sights, with the disadvantage of be a modification to a short-range weapon, not be adjustable, or have an ergonomic character; This limits the use in real tactical operations, where a greater fire distance than that obtained with a pistol is necessary and the complete adaptation of the weapon to the user and an outstanding ergonomics are crucial, due to their complexity and duration.
- the present invention has adaptability to any rifle with minor or null modifications of the weapon, it presents a kit of sets that represent different technical advantages in terms of temperature, precision, maintenance and cost for its adaptation to new assault rifles with emphasizing its totally character ergonomic for meaningful user engagement.
- the present invention is related to the different devices and components that are part of individual weapons such as rifles, as well as to the elements and mechanisms that make up these weapons, and provides a technical solution to the need for adaptation, modernization and updating of rifles, conferring on them properties for use
- the assault rifle tactical retrofit kit (100) comprises a handguard set (A), a reload handle set (B), a butt set (C), a tactical grip set (D), a set second handle (E) and a cover assembly (F), as shown in Figure 1, which are assembled in a selected rifle and together allow a tactical adaptation with minor or null modifications of the rifle and providing an ergonomic set with different advantages for adaptation to different types of people that may have different anthropometric and lateral features; which is an advantage of the present invention.
- the handguard assembly (A) is in charge of providing protection against the high temperatures presented in the barrel when the weapon is fired and offers the possibility of adapting tactical elements such as a second handle, laser, sights, among others.
- Figure 2a shows the handguard assembly in an isometric view showing the handguard in one embodiment of the present invention.
- the tactical adaptation kit for assault rifles includes a set of reloading handle (B), which seeks to fit the existing reloading handle on some assault rifles. It consists of a vertical to horizontal position adaptation, since it is an objective of the tactical adaptation to include equipment on the Picatinny rails, so if it is vertical, said handle can interfere with accessories and equipment.
- An isometric of the refill handle assembly is shown in Figure 3b.
- the present invention also has a butt assembly (C) shown in Figure 4, which provides a practical and complete solution to the need to support the rifle on the shoulder to decrease recoil force and increase the precision of consecutive shots.
- the cylinder head assembly (C) includes a folding mechanism with lock (C1) which offers the possibility of folding the cylinder head for transporting and carrying the weapon. It also includes a retractable telescopic button mechanism (C2) for graduation to different types of users and a cheek support system (C3) that is also adjustable to ergonomically facilitate the grip and aim the rifle in an appropriate and ergonomic way.
- the cylinder head assembly (C) also has a fully adjustable cheek support system (C3) that allows the user to rest the cheek and level the sight and aim of the weapon during the grip of the weapon, which gives it the functionality of a better visualization. of the shot.
- the present invention comprises a tactical grip assembly (D), which seeks to improve the poor grip of assault rifles, by implementing a completely ergonomic grip, which adapts perfectly to the user's hand, resembling in the hilt of a pistol.
- the second grip assembly (E) is characterized by providing additional support to the weapon, in order to balance the recoil forces of the weapon and provide a more stable grip, granting additional firmness to the user, which when making consecutive shots will have a positive impact on their precision.
- the second handle assembly is characterized by comprising an adaptable and completely compatible geometry with the Picatinny rails that includes the handguard assembly (A).
- Figure 7a shows an isometric view of the second handle assembly (E).
- the cover assembly (F) is characterized by understanding the adaptation to any type of cover without deteriorating its components or making major modifications, and confers the tactical capacity to couple different tactical devices such as sights, lasers, vision multipliers, among others.
- Figure 1 shows an isometric view of one embodiment of the assemblies of the present invention and their installation on a rifle.
- Figure 2a shows an isometric of one embodiment of the assembled handguard assembly (A).
- Figure 2b shows an exploded isometric of one embodiment of the handguard assembly (A).
- Figure 3a shows an isometric of one embodiment of the assembled refill handle assembly (B).
- Figure 3b shows an exploded isometric of one embodiment of the refill handle assembly (B).
- Figure 4 shows an isometric of the cylinder head assembly (C) in isometric.
- C cylinder head assembly
- Figure 4c shows a sectional view of the section shown where the button mechanism of the cylinder head assembly (C) is shown.
- Figure 5 shows an exploded isometric view of the cylinder head assembly (C).
- Figure 6a shows an isometric of one embodiment of the assembled tactical grip assembly (D).
- Figure 6b shows an exploded isometric of one embodiment of the tactical grip assembly (D).
- Figure 7a shows an isometric of one embodiment of the second grip assembly.
- Figure 7b shows an exploded isometric view of an embodiment of the second handle assembly (E).
- Figure 8a shows an isometric of one embodiment of the assembled cover assembly (F).
- Figure 8b shows an exploded isometric of one embodiment of the cover assembly.
- the tactical adaptation kit for assault rifles (100) is related to the different devices and components that are part of individual weapons such as rifles, as well as to the elements and mechanisms that make up these weapons, and provides a technical solution to the need. adaptation, modernization and updating of rifles, giving properties for use in tactical and precision operations to pre-existing and new assault rifles, through minor or null modifications to different types of rifles, due to their versatility in installation.
- the assault rifle tactical retrofit kit (100) comprises a handguard set (A), a reload handle set (B), a butt set (C), a tactical grip set (D), a set second handle (E) and a cover assembly (F), as shown in Figure 1, which are assembled in a selected rifle and together allow a tactical adaptation with minor or null modifications of the rifle and providing an ergonomic set with different advantages for adaptation to different types of people that may have different anthropometric and lateral features; which is an advantage of the present invention.
- the tactical adaptation kit for assault rifles includes a set of handguard (A) which is responsible for providing protection from the high temperatures presented in the barrel when the weapon is fired and offers the possibility of adapting elements tactics such as a second grip, laser, sights, among others.
- Figure 2a shows the handguard assembly in an isometric view showing the handguard in one embodiment of the present invention.
- the handguard assembly (A) comprises a heat sink assembly (A1) which, due to its geometry, arrangement and materials, provides an innovative system to dissipate the high temperatures that commonly occur in the barrel of the rifle, where It can be adapted without major modification, which is an additional advantage for incorporation into different types of rifles, including rifles that were already in use.
- the heat sink assembly is fixed to the barrel of the rifle or rifle, by means of a mechanism similar to that of a clamp that includes a right handguard support (1) and a left handguard support (2).
- Said support when it is armed is related in its internal cavity with a cylinder and allows a firm fixation to the barrel of the weapon, it has a length proportional to the free length of the barrel and the weight of the handguard, which allows a firm hold, without displacement no risk of fracture, and that in turn the area in contact is such that heat transfer is minimized.
- the right handguard support (1) and the left handguard support (2) are joined by a plurality of screws, in one embodiment of the present invention the fixation is given by three screws, these being the upper handguard support screw (3), the lower handguard support screw (4) and the handguard screw (13).
- Said set is novel in the selection of the material used in its manufacture, due to the choice of a material that has a lower thermal conductivity selected from stainless steel, not present in other embodiments, which gives the present invention a novel character in terms of safety for the user, because the heat transfer that occurs between the barrel and the handguard assembly (A) is much less than conventional fixing devices; this being a differentiating factor due to the high temperatures that can be reached during continuous fire (650 ° C during continuous firing of 350 cartridges) and that due to the implementation of the present invention allow an allowable temperature for the user and allow the Adaptive Tactical Handguard Set (A2) polymer material has increased durability.
- the heat sink assembly (A1) is attached by means of a plurality of handguard screws (13) attached to the insulator (5) to the adaptive tactical handguard assembly (A2).
- the insulator (5) is presented as a selected material of aluminum due to its high thermal conductivity and considerable area, which allow adequate heat dissipation and conducive to the weapon, and which together with the openings of the handguard (7) allow adequate dissipation of heat transferred from the barrel.
- the insulator is attached to the handguard by a plurality of spacers (6) and a plurality of handguard nuts (10), which allow an adequate distance for heat dissipation and allow minimal transfer to the handguard (7), allowing to the polymeric material of the handguard (7) to have a greater durability.
- the handguard assembly (A) also includes an adaptive tactical handguard assembly (A2), which is characterized by being a solution to the need to incorporate tactical attachments to the weapon by incorporating a plurality of Picatinny-type rails, which provides a standardized platform for the adaptation of all types of sights, vision multipliers, lasers for different objectives due to its geometry in accordance with the international standard STD-1913.
- A2 adaptive tactical handguard assembly
- the adaptive tactical forearm assembly (A2) comprises a forearm (7), a forearm cover (12) that are attached by means of the forearm screw (13) and the fixing screw nut (1 1) to the right forearm support (1) and the support left handguard (2), in turn attached to the barrel of the rifle.
- the handguard (7) for its part has a plurality of false Picatinny rails (9) selected as 6 in an embodiment of the present invention, which allow its disassembly of the handguard (7) by disassembling a plurality of picatinny handguard screw and cover (8), which give the shooter or the user the possibility of disassembling them for greater comfort in the grip and use of the weapon.
- the handguard (7) and the handguard cover (12) also have two fixed Picatinny rails, one on the handguard (7) at the bottom and one on the handguard cover (12), which in combination with the false Picatinny rails ( 9) allow the clamping of tactical devices selected as a set of second handle (E) or different sights, telescopic sights, lasers, vision multipliers, among others.
- the forearm assembly (A) then presents a graceful solution to tactical adaptation to improve the precision of the weapon, reducing the rate of fire and saving ammunition and money, the latter because it does not need a new barrel to be deployed in any rifle.
- the modification of the original handguard by the handguard assembly (A) normally requires a new barrel, since it is not feasible to dismantle the elements attached to the barrel since it has a low success rate and consists of the need to align the parts of the barrel in such a way that the grooves of the barrel (which stabilize the projectile) and also the components of the gas-powered reload (which allow the shell to be removed, a fundamental part of semi-automatic or automatic weapons) coincide again; what turns the present invention into a solution that can be extrapolated to different types of rifle, without substantial modifications.
- Picatinny rail fixings directly to the gas pipe are common, which due to the conditions of use of the rifles that can occur in jungle conditions including, due to humidity, rain, mud and dirt typical of the location or the use requires proper grooming and maintenance, even in conditions of direct conflict, which prevents recalibration of the weapon's tactical devices or "wag.”
- the present invention has a handguard cover (12) that is arranged in such a way that the disassembly of the gas tube does not alter the fixing of accessories such as sights, multipliers, lasers, among others, and therefore the precision of the weapon. it is not affected, since in the cleaning and maintenance of the rifle it continues with the same alignment and it will not need a recalibration or "cerear” again the weapon by firing it, which is an unviable situation in many scenarios of direct conflict .
- the tactical adaptation kit for assault rifles includes a set of reloading handle (B), which seeks to fit the existing reloading handle on some assault rifles. It consists of a vertical to horizontal position adaptation, because it is an objective of the tactical adaptation to include equipment in the Picatinny rails, so if the handle is vertical, it can interfere with the accessories and equipment.
- An isometric of the refill handle assembly is shown in Figure 3b.
- the reload handle assembly (B) is the only assembly of the present invention that needs to partially modify the weapon; modifying only the current recharge handle, by cutting it in a place that allows a change of its section transversal by a larger one, to avoid slipping in it.
- the refill handle assembly (B) For coupling with the rest of the vertical refill handle, the refill handle assembly (B) comprises a refill handle base complement (14) and a refill handle base (15), which are arranged in said section as clamp and have an internal geometry that matches the rest of the vertical refill handle and are joined by two refill handle screws (17).
- the base recharging handle (15) includes a threaded hole to allow the stable insertion of the recharging handle (16), which will have a geometry that allows reloading the weapon, providing ergonomics to the user and due to its new horizontal arrangement will allow the user to reload the weapon without deteriorating or altering the location or compromising their integrity
- an exploded view of the reload handle assembly is shown in figure 3a.
- the present invention also has a cylinder head assembly (C) shown in Figure 4, it provides a practical and complete solution to the need to support the rifle on the shoulder to decrease recoil force and increase the precision of consecutive shots.
- the cylinder head assembly (C) includes a folding mechanism with lock (C1) which offers the possibility of folding the cylinder head for transporting and carrying the weapon. It also includes a retractable telescopic button mechanism (C2) for graduation to different types of users and a cheek support system (C3) that is also adjustable to ergonomically facilitate the grip and aim the rifle in an appropriate and ergonomic way.
- the folding mechanism with lock (C1) shown in a general exploded view of the cylinder head assembly (C) in Figure 5, allows the user to load the weapon with a length less than the total length it would have to be deployed, for the transport of the weapon or the user carrying the weapon.
- It provides a folding system that allows its configuration for users with different lateralities, either left or right-handed, since the mechanism allows the rotation of the system's own components to adapt to right-handed or left-handed users so that according to preference, the weapon can be loaded with its butt folded down in the preferred direction without implying discomfort when loading it or the need to release the gun trigger, which becomes important in use during special operations where there may be a need to shoot without time to deploy the butt, which confers the tactical property of timely fire to all types of users regardless of their laterality and ergonomics and comfort in carrying the weapon.
- the lockable folding mechanism (C1) comprises a stock base adapter (19) that attaches to the rear of the assault rifle, with the possibility due to its geometry of being rotated to change the direction in which the folding stock will be folded and is attached to the weapon by by means of a cylinder head bolt (18), which will deform elastically to allow entry and of the cylinder head base adapter and has the proper dimensions for adjustment with minimum tolerance with the gun.
- the cylinder head base adapter (19) is attached to the cylinder head base block (20) by means of a screw (21) which can be rotated an angle of 180 ° to fold the cylinder head in the opposite direction without the use of a specialized tool.
- the cylinder head base block (20) also has a geometry that allows the insertion of the union block (25) and contains a section change that will allow the block of the union block (25) to be blocked by geometric interference, to prevent the cylinder head from having displacements unwanted in their downcast position.
- the union block (25) also fulfills the function of housing the cylinder head base shaft (22) which will allow the cylinder head locking mechanism to be released to unfold it and also houses the components that will serve the mechanism to fold it down.
- the cylinder head base shaft (22) is characterized by being cylindrical with different section changes and where one of those section changes is used to secure the shaft by means of the cylinder head fixing ring (51) which will prevent the shaft from being ejected by the cylinder head base spring (23) and also allows the shaft to return to its original position.
- the cylinder head base shaft (22) also allows the joint block (25) to have a vertical displacement along that provided by the cylinder head base spring (23), where said movement occurs during the turning of the cylinder head to lower it and where said vertical displacement of the union block (25) is the one that generates a geometric interference with the cylinder head base block (20) to block unwanted movements.
- the folding mechanism with lock (C1) is actuated to lower the cylinder head by means of the cylinder head base button (26) which comprises two projections, the most prominent of them with knurling on its upper part to ensure its operation without slipping by the user and the second protrusion intended to generate a geometric interference between the cylinder head base block (20) and the cylinder head base button (26) and will remain in said position due to the driving effect generated by the cylinder head button spring (31) between the base button cylinder head (26) and the union block (25) and where the spiral spring pin (24) prevents the button mechanism from being ejected and fixes it to the union block (25), on the other hand, when the cylinder head base button is pressed (26) the cylinder head button spring (31) is compressed, freeing the joint block (25) from said interference and allowing the mechanism to lower the cylinder head.
- the union block (25) has a threaded hole to include a rifle system so that the user can load the weapon through the use of fasteners, slings or straps with multiple anchor points allowing it to be loaded ergonomically and decrease the effort and exhaustion of carrying the weapon only with the arms, which It will result in greater firmness when holding the weapon and consequently greater precision.
- Said rifle system is characterized by comprising a weapon carrier screw (70), to which a weapon carrier ring (69) will be attached by means of a weapon carrier pin (68) allowing the rotation of the weapon carrier ring (69) on its axis, which allows adaptation of the rifle system to the desired loading position.
- the union block (25) also includes a slot where the telescopic push-button mechanism (C2) joins with the hinged locking mechanism (C1), where the cylinder head guide body (28) will be in charge of coupling to the union block (25) by means of an elastic pin (43).
- the cylinder head guide body (28) and the cylinder head guide body (52) are characterized by being permanently joined and by being of different materials.
- the cylinder head guide body (28) is characterized by being made of a selected polymer material to facilitate its injection into a mold and it also has the property of being light and having a different types of grooves geometry that allow it to lighten its weight.
- the cylinder head guide body (52) is characterized by being made of a metallic material of great hardness and density to allow the telescopic mechanism to have greater durability and resistance, it has a plurality of grooves in its lower part that will be those in charge of providing the space for the necessary geometric interference to give firmness to the positions available in the retractable button telescopic mechanism (C2), selected from six positions in an embodiment of the present invention.
- the present invention also has holes in its upper part arranged to alleviate its weight and to generate a more stable connection between the polymer injected directly into the core guide body (52) and the body geometry cylinder head guide (28) (to be generated by injection into a mold) which implies that these parts are completely welded and have the mechanical advantages of steel, with a reduction in weight due to the large volume occupied by the polymer without risking its properties of durability and resistance to use.
- the retractable telescopic button mechanism (C2) bases its operation on the actuation of a cylinder head button (35) which has a knurled surface that will be the one that is in contact with the user to guarantee a precise actuation, it also includes a hole arranged to that the cylinder head seal (32) can enter it and another perpendicular to it so that the spiral spring pin (38) joins the cylinder head seal (32) with the cylinder head button (35) firmly and said union will prevent the complete exit of the cylinder head guide body (28) from the cylinder head (30), that is, it prevents accidental complete disassembly of the telescopic mechanism.
- the cylinder head seal (32) is characterized by being a solid piece made preferably from durable, hard materials, and with resistance to shear stress such as steel or some aluminum. Said piece has a base from which two projections rise, the most prominent of which comprises a cylinder head spring (31) along its span, which is responsible for returning the cylinder head button (35) to the position of block automatically, said projection in its upper part has a hole that will house the spiral spring pin (38).
- the less prominent projection is responsible for blocking the selected position of the retractable telescopic mechanism by means of a geometric interference between the cylinder head guide body (52) and the cylinder head retainer (32), which will have restricted rotation through the cylinder head cavity (30) that matches the geometry of the cylinder head seal.
- the cylinder head (30) is then in charge of having the cavity for the cylinder head guide body (28) creating the relative linear displacement typical of a telescopic system, of having the cavities with the necessary shape that engage the cylinder head button (35) and the retainer cylinder head (32) for actuating the retractable telescopic button mechanism (C2) preventing its rotation and allowing its linear movement. It also has enough holes for fixing a butt plate (34) and the cheek support system (C3).
- the butt piece (34) is fixed to the cylinder head (30) by means of a plurality of spiral spring pins (37) and is characterized by being made of a material selected from impact absorbing materials such as rubber. It is characterized by having a curved geometry that favors ergonomics and adaptation to the user's shoulder and a series of grooves that, together with its curved geometry, help the rifle not slide off the user's shoulder, to avoid injuries typical of the lack of firmness in the recoil of the weapon and also to avoid unintentional slips of the weapon that could change the target aimed at while holding the rifle, which increases the level of firmness in the grip of the weapon and, therefore, its precision, conferring a tactical character to the cylinder head assembly (C).
- the cylinder head assembly (C) also has a fully adjustable cheek support system (C3) that allows the user to rest the cheek and level the sight and aim of the weapon during the grip of the weapon, which gives it the functionality of a better visualization. of the shot.
- the present cheek support system (C3) has a mechanism capable of regulating the height of the line of sight where the cheek rests continuously, thus providing full adaptation to the different anthropometric conditions of the user and to different heights They can have the sights, vision multipliers, among other accessories to aim the rifle necessary, providing a tactical, comfortable solution, ergonomic and simple to the need to aim the rifle for shots at long distances.
- the present cheek support system (C3) is characterized by its comfortable use by people of different lateralities (right-handed or left-handed) due to the symmetry present in its geometry, it is also characterized by allowing the arrangement of the fastening elements in opposite directions to the place where the cheek is supported, allowing the cheek to rest comfortably.
- the cheek support system (C3) comprises a light cheek support (29) that allows the user's cheek to rest during the grip of the weapon, which is attached to the stock (30) by means of a support shaft -cheek (33) which is characterized by being at one of its ends a selected form of prism, square, hexagon, among others, and in general any that prevents the rotation of the cheek-rest axis (33) on its own axis , the other end has a threaded length to hold a composite device between a cheek rest knob nut (36) and a cheek rest knob insert (53).
- the cheek-rest knob insert (53) is characterized by having a threaded internal geometry to allow the entry of the cheek-rest axis (33) and being made of a metallic material selected from steel, aluminum, among others, compatible with the material of the cheek support shaft (33) and which allows sufficient torque to be attached to the cheek support without showing wear;
- Said cheek rest knob insert (53) is characterized by being part of the cheek rest knob nut (36) which is characterized by being made of a polymeric material and by having an exterior shape large and ergonomic enough to allow maneuverability with
- the user's fingers and the one embodiment of the present invention are characterized by being made by injecting the polymer into a mold where the cheek-rest knob insert (53) is located, making these two a single piece.
- the cheek support (29) is characterized by being a piece with a symmetry axis, which contains two lateral grooves for the insertion of the cheek support axis (33) for its subsequent torque against the stock (30) by means of the formed by the insert cheek support knob (53) and the cheek support knob nut (36) and will allow the insertion of the cheek support axis (33) on either side of its axis of symmetry, so that the nut cheek rest knob (36) does not inconvenience the user.
- the present cheek support system (C3) also has a pin pin (39) which prevents the assembly formed by the cheek support knob insert (53) and the cheek support knob nut (36) accidentally coming out of its union with the axis of the cheek support (33) allowing the user to always have the cheek support system (C3).
- the assault rifle tactical retrofit kit (100) comprises a tactical grip assembly (D), which seeks to improve the poor grip of assault rifles, by implementing a fully ergonomic grip, which is perfectly suited to the user's hand, resembling the grip of a pistol and characterized by comprising in its geometry a plurality of grooved grooves in the form of engravings that prevent sliding of the user's fingers and with a plurality of grooves in prismatic shapes in the manner of engravings that prevent slipping of the palm of the hand and is also characterized by being of considerable roughness, which confers the functionalities of giving firmness and stability even under wet conditions, favoring the handling and grip of the rifle, granting a tactical character to the weapon .
- D tactical grip assembly
- the tactical grip assembly (D) as shown in Figure 6a comprises a cavity in its upper part that allows its insertion in the assault rifles, it also includes a hole through which the screw of the rifle receiver is passed through for its adaptation to the assault rifle.
- the Tactical Grip Assembly (D) comprises a compartment inside for the placement of rifle grooming implements, sensor coupling for rifle usage statistics, ammunition traceability sensors , among others.
- the compartment comprised in the internal cavity of the tactical handle assembly (D) and the provision of a handle cover (41) that pivots on a handle pin (42) and allows closing the compartment (normally open in conventional assault rifles) of the handle, giving it the functionalities of the adaptation of sensors, a secret compartment, the inclusion of a rifle cleaning kit, an aesthetic character and free of dirt from the environment that in conventional rifles are housed in that place, which can interfere with the devices electronic present.
- the present invention also includes a second handle assembly (E), which is characterized by providing additional support to the weapon, to balance the recoil forces of the weapon and provide a more stable grip, granting additional firmness to the user, taking consecutive shots will have a positive impact on their accuracy.
- the second handle assembly is characterized by comprising an adaptable and completely compatible geometry with the Picatinny rails that includes the handguard assembly (A).
- Figure 7a shows an isometric view of the second handle assembly (E).
- the second grip assembly (E) comprises a tactical grip (44) characterized by comprising a series of grooved grooves in the form of an engraving that allow a comfortable grip and with an ergonomic shape that fit perfectly to the user's hand and comprise a mechanism for graduation in four positions selected between 0 or 45 ° 90 ° and 135 ° with respect to the axis of the barrel, which give a functional advantage to the operation of the rifle in tactical operations.
- the mechanism for graduation in four positions is comprised of the set consisting of the tactical grip button (46), the button spring (47) and the tactical grip retainer (48) that joins the tactical grip base (45) with the tactical grip (44) such that pressing the tactical grip button (46) allows the tactical grip (44) to be rotated.
- the tactical handle button (46) is comprised as a stepped shaft with one of its ends threaded and the other with a cavity that allows the insertion of tools for its adjustment, selected from hex keys, torx, among others.
- the threaded end of the tactical grip button (46) is coupled to a threaded cavity in the tactical grip retainer (48) which is characterized by being a threaded nut-like insert with polymer coating so that the shown geometry is generated in Figure 7b, which shows an exploded view of the second handle assembly (E).
- the mechanism for graduation in four positions in its tactical grip retainer (48) is characterized by comprising with a geometry characterized by fitting firmly into a cavity with its same shape and slightly larger dimensions arranged in the grip. tactic (44).
- the tactical grip retainer (48) comprises a length that allows the tactical grip retainer (48) to release the cavity from the geometry comprised by the tactical grip base (45) by actuating the tactical grip button (46) and return to its original locking position by aligning the geometries present in the tactical grip base (45) and the tactical grip retainer (48) by using a cylinder head button spring (47) arranged between the geometry of a section change of the tactical grip button (46) and the tactical grip (44).
- the base tactical grip (45) comprises a selected geometry of four overlapping rectangles every 45 ° that allow graduation in the four described positions that together with the upper geometry of the tactical grip (44) generate geometric interference such that the whole Second handle (E) remains stable in the described positions, arrangements and geometries shown in the exploded view of Figure 7b.
- the second handle assembly (E) is attached to the Picatinny rails provided in the present invention because it is characterized by comprising a geometry with a cavity compatible therewith which fixes the second handle assembly (E) in the transverse direction of the Picatinny rail and comprises a through hole characterized in that its half circumference is exposed in the part of contact with the rail, so that when introducing a screw (50) through it it generates a geometric interference with the cavities arranged in the Picatinny rail in such a way as to prevent the movement of the second grip assembly (E) in the longitudinal direction of the axis of the Picatinny rail and the second grip assembly (E) remains firmly on the rifle.
- the present invention is characterized by comprising a cover assembly (F), which is characterized by comprising a receiver cover (54), a rear reinforcement (55), a rear sight pivot screw (56), a plurality of bolts of internal thread (57) a covered picatinny rail (58), a plurality of covered picatinny screws (59), a rear night sight (60), a night sight piston (61), a piston spring (62), a bolt sight rear night light (63), a rear sight (64), a ball spring (65), a ball (66) and a rear sight base (67).
- a cover assembly which is characterized by comprising a receiver cover (54), a rear reinforcement (55), a rear sight pivot screw (56), a plurality of bolts of internal thread (57) a covered picatinny rail (58), a plurality of covered picatinny screws (59), a rear night sight (60), a night sight piston (61), a piston spring (62), a bolt sight rear night light
- the present set is characterized by its adaptability to different types of rifle with minor modifications, by incorporating a plurality of internal thread bolts (57) which in one embodiment of the present invention are welded to the receiver cover ( 54) in positions related to the covered picatinny rail (58) so that they fit together and the rail is fixed by a plurality of covered picatinny screws (59).
- the present set provides adaptation to any type of cover without deteriorating its components or making major modifications, and gives it the tactical capacity to couple different tactical devices such as sights, lasers, vision multipliers, among others.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CR20210402A CR20210402A (es) | 2018-12-21 | 2019-11-25 | Kit de conversión para rifles de asalto - conjunto culata plegable para armas |
MX2021007588A MX2021007588A (es) | 2018-12-21 | 2019-11-25 | Kit de conversion para rifles de asalto - conjunto culata plegable para armas. |
EP19900665.1A EP3901559A4 (en) | 2018-12-21 | 2019-11-25 | ASSAULT RIFLE CONVERSION KIT - FOLDING STOCK ARRANGEMENT FOR WEAPONS |
US17/416,942 US11867477B2 (en) | 2018-12-21 | 2019-11-25 | Assault rifle conversion kit—folding gun stock assembly |
PE2021001050A PE20211928A1 (es) | 2018-12-21 | 2019-11-25 | Kit de conversion para rifles de asalto - conjunto culata plegable para armas |
BR112021012279-6A BR112021012279A2 (pt) | 2018-12-21 | 2019-11-25 | Kit de conversão para rifles de assalto e conjunto de culatra dobrável para armas |
DO2021000131A DOP2021000131A (es) | 2018-12-21 | 2021-06-21 | Kit de conversion para rifles de asalto - conjunto culata plegable para armas |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CONC2018/0014000A CO2018014000A1 (es) | 2018-12-21 | 2018-12-21 | Kit de conversión para rifles de asalto - conjunto culata plegable para armas |
CONC2018/0014000 | 2018-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020128684A1 true WO2020128684A1 (es) | 2020-06-25 |
Family
ID=65629763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2019/060141 WO2020128684A1 (es) | 2018-12-21 | 2019-11-25 | Kit de conversión para rifles de asalto - conjunto culata plegable para armas |
Country Status (10)
Country | Link |
---|---|
US (1) | US11867477B2 (es) |
EP (1) | EP3901559A4 (es) |
BR (1) | BR112021012279A2 (es) |
CL (1) | CL2021001682A1 (es) |
CO (1) | CO2018014000A1 (es) |
CR (1) | CR20210402A (es) |
DO (1) | DOP2021000131A (es) |
MX (1) | MX2021007588A (es) |
PE (1) | PE20211928A1 (es) |
WO (1) | WO2020128684A1 (es) |
Families Citing this family (4)
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US11906264B2 (en) * | 2020-06-17 | 2024-02-20 | Bahtiyar Tasyagan | Adjustable forend mechanism in rifles |
WO2022019846A1 (en) * | 2020-07-21 | 2022-01-27 | Tasyagan Abdullah Oguz | An adjustable handgrip |
US20220282951A1 (en) * | 2021-03-04 | 2022-09-08 | Bowden Tactical, LLC | Interchangeable handguard system |
CZ2022338A3 (cs) * | 2022-08-15 | 2023-10-11 | Česká Zbrojovka A.S. | Palná zbraň s teleskopickou opěrou |
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- 2019-11-25 US US17/416,942 patent/US11867477B2/en active Active
- 2019-11-25 EP EP19900665.1A patent/EP3901559A4/en active Pending
- 2019-11-25 WO PCT/IB2019/060141 patent/WO2020128684A1/es unknown
- 2019-11-25 CR CR20210402A patent/CR20210402A/es unknown
- 2019-11-25 PE PE2021001050A patent/PE20211928A1/es unknown
- 2019-11-25 MX MX2021007588A patent/MX2021007588A/es unknown
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Also Published As
Publication number | Publication date |
---|---|
PE20211928A1 (es) | 2021-09-28 |
BR112021012279A2 (pt) | 2021-10-05 |
CO2018014000A1 (es) | 2019-01-18 |
EP3901559A1 (en) | 2021-10-27 |
CL2021001682A1 (es) | 2022-03-18 |
US20220155041A1 (en) | 2022-05-19 |
DOP2021000131A (es) | 2021-12-30 |
MX2021007588A (es) | 2021-10-13 |
US11867477B2 (en) | 2024-01-09 |
EP3901559A4 (en) | 2022-10-12 |
CR20210402A (es) | 2021-12-03 |
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