Firearms and Ammunition Patent Grants

Weekly firearms and ammunition patent grants.

May 6, 2025

US12292253 - Adapter for airsoft gun

An adapter for airsoft guns includes a housing comprising a single, integrally formed plastic element, the housing having an upper portion configured to mate with a magazine well of the airsoft gun, an air reservoir located within the housing for holding pressurized gas, an air inlet configured for allowing ingress of pressurized air from an attached gas canister, an air outlet configured for allowing egress of pressurized air from the air reservoir, a piston valve between the air reservoir and the air outlet configured for preventing airflow from the air reservoir to the air outlet when in the rest position, and allowing temporary airflow from the air reservoir to the air outlet when contacted by a firing pin of the airsoft gun, a projectile inlet configured for allowing ingress of projectiles from an attached projectile magazine, and a projectile outlet configured for allowing egress of projectiles to the airsoft gun.

May 6, 2025

US12292254 - Virtual reality baton training device

A virtual reality weapon accessory comprising a baton and a tracker adapter coupled to the baton wherein the tracker adapter is configured to adapt with a virtual reality tracker that facilitates communications between the baton and a virtual reality computing device. The tracker adapter includes a groove comprising a female socket configured to receive a strike plate of the virtual reality tracker wherein the groove includes a magnet that attracts to the strike plate. The tracker adapter further includes a pin pad configured to establish signal connections with the virtual reality tracker to transmit signals from the baton to the tracker. The tracker adapter may be configured to detect a flick motion associated with the baton.

May 6, 2025

US12292255 - Adjustable stock

A stock has a buttstock. The buttstock includes an adjustable comb. The comb is connected to a body of the buttstock via a rod extending into the body of the buttstock and movable along a first axis. The position of the rod and comb is locked and unlocked by a latch. The buttstock includes an adjustable recoil pad. The recoil pad is connected to the body via a threaded rod mated with a nut embedded within an end of the body. The threaded rod and recoil pad move a direction along a longitudinal axis of the body depending on the rotation of the nut.

firearm stock adjustable
May 6, 2025

US12292256 - Adjustable firearm balance weight system

An adjustable firearm balance weight system comprising: a balance weight configured to secure to a part of a firearm in at least two alternative positions relative to the part of the firearm; and a lock system configured to hold the balance weight in each of the at least two alternative positions relative to the part of the firearm, wherein the lock system is configured to be operated, preferably by hand and without tools, to allow the balance weight to move between the at least two alternative positions.

firearm balance weight system
May 6, 2025

US12292257 - Holster cover device

A holster cover device that is capable of covering a strap having a firearm holster secured thereto with a firearm therein. The device may include a sleeve component having an elongated body, an internal cavity extending through the body, and a pair of openings to the internal cavity at ends of the body, and a pocket component having a body with sides that define therebetween an internal compartment, an opening to the internal compartment at an end of the body, and connection members configured to releasably couple to ends of the sleeve component such that the sleeve component forms a closed loop. The internal cavity of the sleeve component is configured to receive the strap and the internal compartment of the pocket component is configured to receive the firearm holster while the firearm holster is secured to the strap and has the firearm therein.

holster firearm accessory
May 6, 2025

US12292258 - Composite case for medical applications

A protective carrying case for medical supplies is disclosed, wherein the protective carrying case includes a top component, a bottom component, and semi-hexagonal ends, wherein the top component and the bottom component are constructed from carbon fiber. The protective carrying case additionally includes a retaining element with vacuum split functionality to retain elements within the case. The retaining element includes a flexible bag with an outer antimicrobial layer for safe and sanitary transport of the medical supplies.

May 6, 2025

US12292259 - Pivotal tactical lights for firearms

A light apparatus for firearms can pivot between a safety position and a shooting position. In the safety position, a light mounted to the firearm can point straight ahead at a target, while the firearm's barrel is pointed downward. In the shooting position, both the light and the barrel point in the same direction. In some examples, the light is supported by a gun mounting member that is fastened to the underside of the firearm, while the light is offset to one side of the barrel. In some examples, the light is connected to a foregrip, so the light and the foregrip can pivot together as a unit relative to the barrel. Some examples of the light apparatus include various devices for holding the light at the safety and/or shooting position.

firearm light tactical
May 6, 2025

US12292260 - Reflector device and system for selective reflection of electromagnetic radiation

The invention relates to a reflector comprising a reflector cavity ( 110 ) having a front opening for receiving EMR into the reflector cavity ( 110 ) for subsequent reflection of the EMR by at least one reflector element ( 120 ) arranged within the reflector cavity ( 110 ), characterized in that the reflector further comprises a front cover ( 130 ) that has high EM R transmittance in at least parts of the EM spectrum, the front cover ( 130 ) being arranged to cover the front opening of the reflector cavity ( 110 ), and that the front cover ( 130 ) and front opening form a gastight seal ( 140 ) impermeable to gas to prevent transport of material into and out of the reflector cavity ( 110 ) through the front opening.

May 6, 2025

US12292261 - Method of determining topographical interference with guided missile and determination apparatus therefor

A method of determining topographical interference with a guided missile is proposed. The method may include obtaining a pre-calculated expected trajectory of a guided missile. The method may also include extracting topographic elevations with respect to a topography corresponding to the pre-calculated expected trajectory from stored topographical information. The method may further include determining presence or absence of topographical interference with the guided missile based on bottom trajectory elevation values in the pre-calculated expected trajectory and topographic elevation values corresponding to the bottom trajectory elevation values. The pre-calculated expected trajectory may include top, bottom, left, and right trajectories with respect to a launch direction of the guided missile, calculated based on an error factor for the guided missile, and the error factor includes manufacturing error values with respect to at least one of a weight, center of gravity, a thrust, or a moment of inertia of the guided missile.

May 6, 2025

US12292262 - System and method for securing a risky geographical area

A method for securing a geographical area encompassing a route. A map of the area is obtained. A weapon is associated with a firing modeling consisting of a probability model of hitting its target when shooting, as a function of the firing distance. Positions of potential shelters of threats on the map are determined by using a trained artificial intelligence device. The modeling is applied for each weapon and potential shelter while relating the shots to the route and summing all the probabilities of hitting its target on each portion of the route. The potential shelters most likely to constitute attack threats along the route are determined. A path is defined in order to address these potential shelters most likely to constitute attack threats.

May 6, 2025

US12292263 - Safety assembly for training use of a laser-directed energy weapon

A safety assembly for use with a laser-directed energy weapon is disclosed. The assembly comprises a control system comprising a photodetector and a processing unit; and an optical device configured to attach to a target such that, when attached, the optical device provides a light beam to the photodetector. The processing unit is arranged to compare the received light beam against one or more predetermined attributes, and to permit the laser-directed energy weapon to fire only when the received light beam is determined to have the one or more attributes.

May 6, 2025

US12292264 - Frustum embedded fabricated composite protective structure

A frustum embedded fabricated composite protective structure is provided, including a restraint frame, a back plate, an infill block and a buffer block. The restraint frame is provided with a plurality of mounting holes matching with the shape of the infill block, the restraint frame is arranged on the back plate, the infill block is in a frustum shape. The buffer block and the infill block are installed in the mounting hole of the restraint frame, the buffer block is arranged on the smaller end of the infill block, and the infill block is wedged into the mounting hole of the restraint frame through a wedge surface mating. Because this protective structure is assembled by multiple restraint frames and infill blocks, under the prestress restraint of partition blocks, the damage range after penetration or explosion will be significantly reduced, and it can withstand multiple blows.

May 6, 2025

US12292265 - Automatic reset target

The invention discloses an automatic reset target, comprising a gantry and shooting targets arranged on the gantry, the gantry is symmetrically provided with outriggers which are rotatably matched with it; the shooting targets include a large shooting target and small shooting targets, the small shooting targets are evenly arranged in multiples, which are rotatably matched with the gantry, and the large shooting target is rotatably matched with the gantry. Through the shooting targets' own gravity, the invention resets the shooting targets that are rotated and matched with the gantry, thereby realizing the advantageous effect of automatic reset. The invention has the advantages of simple and reasonable structure design, convenient use, unlimited installation position, simple manufacture, low cost and strong practicability.

May 6, 2025

US12292267 - Ammo box filling tool

An ammunition box filling tool apparatus and method for filling a pre-folded card stock box having an open top portion with a plurality of units of ammunition is disclosed herein. The ammunition box filling tool apparatus includes a base portion, a perimeter wall extending upwardly from the base portion, a plurality of fingers extending upwardly from the base portion and surrounded by the perimeter wall, and a plurality of sectioned compartments defined one or more of the perimeter wall or the plurality of fingers. Each of the plurality of sectioned compartments is configured receive one of the plurality of units of ammunition. The method includes at least filling ammunition box filling tool apparatus with the plurality of units of ammunition, engaging the open top portion of the pre-folded card stock box with an upper edge of the perimeter wall and simultaneously flipping the two to transfer the ammunition.

ammunition filling_tool
May 6, 2025

US12292268 - Munitions rack with structural element and insertable ejectors

A munitions rack includes a munitions rack structure that houses multiple compact ejectors. The structure includes a pair of internal longitudinal ribs, inboard of a pair of external longitudinal ribs. A spine of the munitions rack structure links all the ribs, and the munitions rack structure may be formed out of a single piece of material. The ribs define a pair of side recesses on the port and starboard sides of the bomb, which each may be further subdivided into a forward pocket and an aft pocket. Removable ejectors are located in the pockets. The ejectors may receive pressurized gas from pressurized gas source(s) located outside of the ejectors. The ejectors may each have multiple forward pistons and multiple aft pistons. The ejectors may include pitch control valving to control the relative amounts of pressurized gas sent to the forward piston(s) and aft piston(s).

May 6, 2025

US12292269 - Projectile

The invention relates to a paintball projectile comprising a front portion and a body portion, which body portion comprises a side wall. The paintball projectile comprises a body component, which is a single piece forming outer surfaces of the front portion and the side wall, a closed cavity in the interior volume of the front portion, a fill in the closed cavity, and a middle component in the interior volume of the body component, the middle component having a first side and a second side. The first side of the middle component is facing the closed cavity, and the projectile further comprises a barrier layer on the second side of the middle component. The invention further relates to a method for manufacturing paintball projectile.

May 6, 2025

US12292270 - Shotshell with a biodegradable wad

A shotshell including a hull with a metal head, a base wad, a primer and an outer tubular element, a powder housed inside the hull, and a wad housed inside the outer tubular element and above the powder. The wad includes an inner tubular element adapted to contain a plurality of pellets and having a first and a second end, and a side wall, and a sealing element. A side wall of the inner tubular element contacts an inner side wall of the outer tubular element. The sealing element is inside the outer tubular element of the shotshell between the powder and the first end of the inner tubular element and an outer side wall of the sealing element being in contact with the inner side wall of the outer tubular element, and outside the inner tubular element and in contact with the first end of the inner tubular element.

shotshell biodegradable ammunition
May 6, 2025

US12292271 - Wedging arrangement to plug a blast hole

The invention relates to a wedging arrangement to plug a blast hole accommodating an explosive charge. The wedging arrangement comprises a body comprising a first part and a second part arranged to angularly slide relative to each other. Each of the first and second parts defines a holding arrangement for holding the first and second parts relative to each other. The wedging arrangement is configurable between a default configuration in which the holding arrangement holds the first and second parts relative to each other, and a stressed configuration in which the body is subjected to external stress forces thereby causing the holding arrangement to be disengaged to allow the first and second parts to angularly slide relative to each other, in use to locate and lock the wedging arrangement in place within the blast hole in order to plug the blast hole and contain the blast energy resulting from the explosive charge being detonated.

May 6, 2025

US12292521 - Detonator position determination

In a blasting system a method of determining which borehole in a plurality of boreholes at a blast site is closest to a tagger, wherein latitude and longitude coordinate values for each borehole are determined and by using subsets of the longitude coordinates and latitude coordinates, and by performing a haversine calculation the position of the borehole which is closest to the tagger is determined.

Apr 29, 2025

US12286230 - Enhanced countermeasure dispensing system with increased payload capability

Various countermeasure dispensing systems (or CMDSs) and method of use are described herein. CMDS may include a dispenser assembly operably engaged with a platform where at least one electrical connection provides electrical communication between the dispenser assembly and a sequencer. CMDS may also include a magazine assembly operably engaged with the dispenser assembly, wherein the magazine assembly comprises a magazine configured to hold at least two countermeasure expendables. CMDS may also include a breechplate assembly operably engaged with the magazine assembly and adapted to dispense the at least two countermeasure expendables. CMDS may also include at least one magazine identification switch (MIS) operably engaged with the magazine assembly and the breechplate assembly. CMDS may also include that the at least one MIS is configured to enable the sequencer and the breechplate assembly to selectively dispense at least one countermeasure expendable from the at least two countermeasure expendables.

Apr 29, 2025

US12286248 - Space debris detection and mitigation with a network of deployed observatories

A space debris removing device, system and method are disclosed. The system comprises a central server, a primary detection node, at least two secondary tracer nodes, the central server is configured to assign a tertiary node to track the debris with laser, wherein the tertiary node is configured to mark the debris being tracked with the laser, creating a laser illuminated target (LIT), a tertiary tracking unit deployed at the tertiary node, and a ground-based kilowatt laser system configured to pick up the LIT by using one or more optical sensors and tackle the debris with a high power laser beam.

Apr 29, 2025

US12286867 - Self-shunting detonator for well perforating gun

Various well-perforating systems and methods are disclosed incorporating a self-shunting detonator. The detonator may include an electrically-conductive detonator body. A resistor initiator inside the detonator body includes first and second leads. A grounding element inside the detonator body couples the detonator body to the first lead. An electrically-conductive clip coupled to the second lead includes an arm biased to electrical contact with an external surface of the detonator body to shunt the detonator. The arm is moveable away from the detonator body to un-shunt the detonator, such as automatically in response to insertion into a detonator housing.

Apr 29, 2025

US12287021 - Modular integration kit for a positioning system

A modular integration kit for a positioning system, like a positioning system on a vehicle, includes a configurable foundation plate, a dampened bolting structure, and a modular vibration isolation assembly. The configurable foundation plate is configured to attach to the positioning system. The dampened bolting structure is affixed to the configurable foundation plate. The dampened bolting structure is configured to attach a payload to the positioning system, like for attaching a payload of a rifle, an optic and/or a rocket launcher onto a positioning system of a vehicle. The modular vibration isolation assembly is arranged between the configurable foundation plate and the dampened bolting structure. The modular vibration isolation assembly is configured to dampen the dampened bolting structure from movements of the configurable foundation plate attached to the positioning system.

Apr 29, 2025

US12287164 - Modular handgun

A modular handgun system comprises an elongated universal trigger frame having a pair of slide rails and an accessory rail. The trigger frame is adapted to have a trigger assembly mounted thereto. The system further comprises a grip frame having an elongated channel and a hand grip extending downwardly from the elongated channel. The trigger frame is removably mounted in the elongated channel of the grip frame. The accessory rail of the trigger frame is positioned forward of a forward end of the elongated channel of the grip frame so as to be exposed. The system further comprises a slide and barrel assembly slidably mounted on the slide rails of the trigger frame.

handgun modular firearm
Apr 29, 2025

US12287165 - Extractor for an autoloading firearm

Disclosed is an extractor for an autoloading firearm, the extractor having an extractor body extending a proximal end portion to a distal end portion. A knuckle is between the proximal end portion and the distal end portion and defines a pin opening extending crosswise through the extractor, where the pin opening has an elongated shape. During rearward movement of the bolt after firing, the elongated opening enables the extractor to shift downward and/or forward so that part of the extractor contacts the bolt, thereby preventing the extractor from pivoting about the extractor pin.

firearm extractor autoloading
Apr 29, 2025

US12287166 - Methods for increasing the number of countermeasure expendables for dispensing systems

Various systems and methods for leveraging legacy countermeasure dispensing systems (CMDSs). The legacy CMDSs are leveraged through the expansion of breechplates and magazines in a CMDS by expanding the amount of expendables carried by a CMDS while still maintaining the legacy sequencer and dispenser in a legacy military platform, such as an aircraft. In addition, various circuitry systems are included in a circuit card of the breechplate for duplicating and/or expanding the firing lines provided in a legacy CMDS.

Apr 29, 2025

US12287167 - Firearm

A firearm is disclosed. The firearm contains a lower receiver containing a first opening, wherein the first opening is configured to accommodate a firing mechanism, an upper receiver removably coupled with the lower receiver, a barrel removably coupled with the upper receiver, a bolt carrier assembly positioned within the upper receiver, wherein the bolt carrier assembly is movable between a locked position and an unlocked position, wherein the bolt carrier assembly contains a rear surface, wherein the rear surface of the bolt carrier assembly is positioned between the barrel and the first opening when the bolt carrier assembly is in the locked position.

firearm bolt carrier mechanism
Apr 29, 2025

US12287168 - Muzzle flash simulator

A muzzle flash simulator for use in an airsoft gun, comprising an internal passage, a detector, a controller, and multiple illuminating components. In response to a projectile passing through and away from the internal passage, the simulator will be triggered and flash multi-color lights on a projectile passage in front of the simulator. When each color light is illuminated on the moving projectile at a specific intensity at specified time periods, because of an afterimage phenomenon of the human eye, the surface of the moving projectile reflects the corresponding color and leaves a multi-layered light-trail accordingly.

Apr 29, 2025

US12287169 - Installation provided with linkless ammunition loading system

The installation includes a traversing portion configured to be rotatably mounted and supported on a stationary support structure, to rotate about a traversing axis. An elevating portion is rotatably supported by the traversing portion about an elevating axis perpendicular to the traversing axis. A firearm assembly supported by the elevating portion has a barrel configured to fire linkless ammunitions through firearm assembly. A magazine is configured to contain a plurality of linkless ammunitions to be fed to the barrel. A feeding assembly is configured to transfer the linkless ammunitions from the magazine to the barrel. The magazine is carried by the traversing portion and is operatively integral therewith. The feeding assembly is carried by the elevating portion and is operatively integral therewith. A transfer device mounted on the traversing portion is configured to transfer the linkless ammunitions (A) from the magazine to the feeding assembly.

firearm ammunition loading linkless
Apr 29, 2025

US12287170 - Projectile launcher maintained breech pressure feature

Improvements in a projectile launcher with a two-part bolt is disclosed. The two-part bolt has a forward bolt that moves and locates the projectile from the magazine to the breach. The ball is maintained in the breach until pressurized air pushes the projective out of the launcher. A ball holder is biased by a spring and when the bolt is moved, the bolt will lift the ball holder and blocks loading of a second projectile. An adjustable barrel detent alters pressure on top of the projectile to create backspin. The two bolt parts forms a piston to drive the projectile forward. A spring between the forward bolt and the rear bolt to maintains an extended biased location between the two bolt components. Travel between the two bolt elements if maintained by a pin that is retained in the rear bolt with a pin keeper spring.

Apr 29, 2025

US12287171 - Archery bow sling and related method of use

An archery bow sling can include one or more cam covers that can cover respective cams of an archery bow, a base panel, an arrowhead hood extending away from a cam cover adjacent the base panel, an arrow retainer between the hood and another cam cover, the arrow retainer defining slots configured to receive one or more arrows; and a sling strap joined with the cam covers on opposing ends of the sling. The sling can be selectively removable from the archery bow with the arrows being carried by the sling and separate from the archery bow, which can itself be quiver-less. The sling can include a fletching guard distal from the hood and configured to extend over fletchings on the arrows, and a string cover panel that provides a string compartment configured to receive and/or protect a bowstring of the bow. A related method of use is provided.

Apr 29, 2025

US12287172 - Composite case having retaining bag including bead refill mechanism

A protective carrying case for a firearm is disclosed, wherein the protective carrying case includes a top component, a bottom component, and semi-hexagonal ends, wherein the top component and the bottom component are constructed from carbon fiber. The protective carrying case additionally includes a retaining element with vacuum split functionality to retain elements within the case.

Apr 29, 2025

US12287173 - Short stroke pump-action shotgun

The present invention relates to a short stroke (operation distance) pump-action shotgun comprising a mechanism that reduces consequently the reloading path and reloading time approximately by 65 percent. The speed repeating faster is achieved, while firing with a pump-action shotgun and hunting rifle and furthermore, a better precision is ensured. The inventive shotgun may be a pump-action shotgun or pump-action hunting shotgun.

shotgun pump-action firearm
Apr 29, 2025

US12287174 - Auto-centre barrel cam for small optical systems

An auto-center barrel cam for small optical systems including an outer barrel having a first channel extending longitudinally where the first channel is tapered from an inner surface to an outer surface of the outer barrel at a first angle and an inner barrel within the outer barrel. The inner barrel including a second channel extending longitudinally along the inner barrel where the second channel is tapered from an inner surface to an outer surface of the inner barrel at a second angle. A cam follower includes a flexure part having a first section with a first surface and a second section with a second surface. A spring section pulls the first section and the second section toward each other. The flexure part is arranged to maintain the cam follower within a center of the first and second channels as the inner barrel moves in relation to the outer barrel.

Apr 29, 2025

US12287175 - Accessory mounts

A system includes a mounting portion with a planar elongated geometry and an accessory portion having a geometry similar to the mounting portion. The mounting portion includes an alignment recess formed centrally on one side of the mounting portion to extend partially into a thickness of the mounting portion, a mount-side magnet seat formed in the one side of the mounting portion, and a mount-side magnet disposed in the mount-side magnet seat. The accessory portion includes an alignment projection formed centrally on one side of the accessory portion to extend outward from the accessory portion to engage with the alignment recess to align the accessory portion with the mounting portion, an accessory-side magnet seat formed in the one side of the mounting portion, and an accessory-side magnet disposed in the magnet seat to engage with the mount-side magnet to removably secure the accessory portion relative to the mounting portion.

Apr 29, 2025

US12287176 - Firearm optics mount plate with multiple footprints

A device implementable on a firearm includes a plate with a first primary side and a second primary side opposite the first primary side. When installed with the first primary side facing the firearm or an accessory of the firearm: (i) the first primary side is directly mounted on a portion of the firearm or the accessory, and (ii) the second primary side accommodates and mates with a first optic when the first optic is mounted on the second primary side of the plate. When installed with the second primary side facing the firearm or the accessory of the firearm: (i) the second primary side is directly mounted on the portion of the firearm or the accessory, and (ii) the first primary side accommodates and mates with a second optic different from the first optic when the second optic is mounted on the first primary side of the plate.

firearm optics mount accessory
Apr 29, 2025

US12287178 - Mounts for optical sighting devices

Disclosed are implementations of a pivot mount for an optical sighting device. A sight support member of the pivot mount is moveable between an operative position, wherein an optical sighting device can be used to sight the firearm on a target, and an inoperative position, wherein the optical sighting device is positioned below, and vertically offset from, the operative position. Also disclosed is an optical sight mount that includes a sight support member slidably coupled to the base. The sight support member is moveable between an operative position, wherein an optical sighting device can be used to sight the firearm on a target, and an inoperative position, wherein the optical sighting device is positioned below, and vertically offset from, the operative position.

firearm sighting optics
Apr 29, 2025

US12287179 - Spike resistant package and article

A spike resistant package containing a pouch, a first grouping of spike resistant textile layers, and a slip layer. The first grouping of spike resistant textile layers contains a plurality of spike resistant textile layers, where each spike resistant textile layer contains a plurality of interwoven yarns or fibers having a tenacity of about 14 or more grams per denier. The slip layer is a woven or knit fabric containing a main portion and a first pile portion on the upper surface of the main portion. The slip layer contains a plurality of yarns knitted or woven together and a plurality of holes between the yarns. The holes of the slip layer have an average max hole size of less than about 2 mm. The yarns and fibers in the pile portion are in loops or strands extending outward from the main portion of the slip layer.

Apr 29, 2025

US12287180 - Utilizing a seat assembly having a set of limit straps to limit deflection

A vehicle includes a vehicle ceiling, a vehicle floor, and a vehicle seat assembly that couples with the vehicle ceiling and the vehicle floor. The vehicle seat assembly includes a seat support that supports a vehicle seat from the vehicle ceiling, a base that forms a slip joint with the seat support from the vehicle floor, and a set of limit straps constructed and arranged to limit deflection of the slip joint in response to deformation between the vehicle ceiling and the vehicle floor (e.g., a vehicle collision, deformation between the vehicle ceiling and the vehicle floor possibly due to a blast, etc.). Each limit strap of the set of limit straps has a first end that attaches to a portion of the slip joint and a second end that attaches to the vehicle floor.

Apr 29, 2025

US12287181 - Control surface deployment and actuation

A device for deployment and actuation of a control surface for a maneuverable object, including an actuation shaft arranged for rotation about a longitudinal axis of the device; an output gear arranged concentric with the actuation shaft and configured to unlock the control surface when rotated about the longitudinal axis; and a pin integral with, or attached to, the actuation shaft and protruding through an opening in the output gear, wherein the output gear is operable to rotate about the longitudinal axis independent of the actuation shaft when the pin is in a circumferentially extending portion of the opening, and the output gear and actuation shaft are operable to rotate together about the longitudinal axis when the pin is in a longitudinally extending portion of the opening.

Apr 29, 2025

US12287182 - Initiator head with circuit board

An initiator head includes a housing piece defining an interior chamber, a circuit board supported in the interior chamber, a line-in terminal coupled to the circuit board, and insulating material filling the interior chamber and covering a top surface of the circuit board for absorbing shocks or vibrations and electrically insulating electronics of the circuit board.

Apr 29, 2025

US12287183 - Explosive booster

An explosive booster for initiating, and thus causing detonation of, a bulk explosive, includes a hollow body comprising a base member and a sidewall projecting from the base member. The body defines an interior space between the base member and the sidewall for containing a detonable booster formulation in use. A hollow elongate initiator locating formation projects longitudinally into the interior space at least from the base member and defines an initiator channel that is open through the base member, for locating an explosive initiator in initiating proximity relative to a detonable booster formulation contained in the interior space in use. The initiator channel extends longitudinally along a central longitudinal axis thereof that is radially spaced from, and parallel to, a central longitudinal axis along which the interior space longitudinally extends.

Apr 29, 2025

US12287184 - Ammunition cartridge casing

An ammunition cartridge casing is provided having a primer body and a casing body. The primer body has an inner primer portion and an outer primer portion configured to nest in conformance with an outer surface of the inner primer portion. The outer surface of the inner primer portion provides a circumferential trench having a radially outwardly extending circumferential wall portion contiguous with an axially extending circumferential wall portion. The casing body has a distal end portion and a proximal end portion. The proximal end portion of the casing body is interposed between the inner primer portion and the outer primer portion within the trench having an interlocked axially extending circumferential portion and an interlocked radially outwardly extending disc portion of the casing body entrapped between the inner primer portion and the outer primer portion. A method is also provided.

ammunition cartridge casing
Apr 29, 2025

US12287185 - Arrow shaft

Proposed is an arrow shaft, having an arrowhead on one side thereof and a nock on the other side thereof, the arrow shaft including: at least one sheet layer arranged in one direction to be wound in a stacked manner around at least one portion of a body of the arrow shaft, wherein the sheet layer comprises a first sheet member, at least one portion thereof including a plurality of sheet portions formed of a transparent or translucent material; a second sheet member, at least one portion thereof being formed to overlap the first sheet member; and an exposure sheet portion interposed between the first sheet member and the second sheet member.

Apr 29, 2025

US12287186 - Safe-and-arm device

The present invention describes a safe-and-arm device, mechanism or assembly ( 160 ) for a projectile ( 100,102 ) equipped with a second-stage propellant ( 124 ). The second-stage propellant ( 124 ) is ignited after the projectile has been ejected out from a launcher barrel. A lockpin ( 190 ), being urged by a spring ( 194 ), is responsive to ignition of the second-stage propellant; after the lockpin ( 190 ) and spring ( 194 ) sense and respond to the second propulsion, an unbalanced rotor ( 164 ) forming part of the safe-and-arm device or assembly ( 160 ), is released to rotate from a “safe” state to an “armed” state, as the projectile continues traveling along its trajectory to a target. In one embodiment, the projectile is configured with a 40 mm cartridge containing a first propellant ( 122 ). An impact sensor may trigger an electric detonator or a point detonator may trigger a stab detonator to set off explosives disposed in the projectile.

Apr 29, 2025

US12287187 - Method for reducing blasting vibration of tunneling

A method for reducing blasting vibration of tunneling includes the steps of: dividing the cutting holes into several groups according to different cutting methods; conducting layout and test blasting on one group of cutting holes; testing blasting parameters for the layout and test blasting; calculating an interval t; conducting layout and test blasting on at least two groups of cutting holes again; testing blasting parameters for the layout and test blasting of each group for the second time; taking the minimum interval t of each group as the interval for formal blasting of the remaining groups of cutting holes. The use of the characteristics of the wave in the invention can superpose the peaks and troughs of the vibration wave, and further cancel out mutually; reduce the peaks of the blasting vibration and fill the troughs of the blasting vibration.

Apr 29, 2025

US12287649 - Apparatus and method for operating electronic detonator blaster with integrated flight function

Proposed are an apparatus and a method for operating an electronic detonator blaster with an integrated flight function. The apparatus includes a blasting command transmission part configured to transmit a blasting command to each of electronic detonators which are combined with a flying vehicle capable of being flown and controlled by induction of radio waves and are connected to each other, a connection control part configured to release the connection of the flying vehicle with the electronic detonators when the transmission of the blasting command is completed, and a flight control part configured to control the flying vehicle to land at a preset return point after ascending to a preset altitude when the connection of the flying vehicle with the electronic detonators is completely released.

Image unavailable
Apr 22, 2025

US12280582 - Reformable epoxy resin for composites

The present invention contemplates a method for forming a composite structure including a plurality of rigid layers and one or more reformable epoxy resin layers. The resulting composite is molded to form a non-planar composite structure.

Apr 22, 2025

US12281865 - Mechanical velocity enhancement assembly

A supplemental propulsion system for a weapon used to fire a projectile includes a barrel and chamber to hold a projectile round. A translating pressure tank surrounds a portion of the barrel, and the pressure tank is configured to translate along the barrel. A recoil spring assembly includes a spring and a pressure plate downstream of the chamber for holding the projectile round. The pressure tank is coupled to the pressure plate such that the spring is configured to stretch upon firing of the projectile and translate the pressure tank along a length of the barrel. The barrel includes a first port configured to selectively align with a first tank port during translation, for the discharge of pressurized gas from the pressure tank. The discharge of pressurized gas occurs rearward of the projectile as it passes through the barrel after firing.

firearm ammunition propulsion mechanism
Apr 22, 2025

US12281866 - Trigger mechanism for a firearm having a vertical and horizontal rotatable trigger piece and a vertical moving sear

A trigger assembly includes a housing a sear moveably connected to the housing; and a trigger piece connected to the housing and moveable between a cocked position and a firing position; the trigger piece including a trigger shoe configured to contact a user in moving from the cocked position to the firing position; the trigger piece being configured to rotate about a first axis of rotation and an orthogonal second axis of rotation in moving from the cocked position to the firing position.

firearm trigger mechanism
Apr 22, 2025

US12281867 - Clutch assembly for a rotary machine gun

A clutch assembly for a rotary machine gun includes a drive sleeve mountable to the gun, a clutch gear slidably and rotatably mounted on the sleeve, a clutch housing on the sleeve, a shifter in the housing, and a solenoid assembly secured to the housing. The clutch gear is configured to engage and rotate with the sleeve. A plunger on the sleeve urges the clutch gear away from engagement with the sleeve. The shifter is configured to push the clutch gear into engagement with the sleeve when actuated. The solenoid assembly includes a solenoid housing, a plunger configured to actuate the shifter, a plunger rod, a biasing member, and a lever on the plunger rod. The lever is manually pivotable to move the clutch gear to a neutral position wherein the gear is rotatable about the sleeve in either of two opposing directions until the solenoid assembly is electrically actuated.

firearm machine gun clutch assembly
Apr 22, 2025

US12281868 - Increased capacity ammunition magazine

An increased capacity replacement firearm ammunition magazine for a polymer or polymer-over-metal single stack firearm ammunition magazine for a Glock® handgun, comprises a metallic body dimensioned to compatibly replace the single stack magazine for the Glock® handgun, the single stack magazine having a body having exterior dimensions defined by polymer or polymer-over-metal forward, aft, and side walls, the metallic body having exterior dimensions defined by metallic forward, aft, and side walls, an exterior width dimension of the metallic side walls compatibly matching an exterior width dimension of the side walls of the single stack magazine body, the metallic walls being thinner than the walls of the single stack magazine, the thinner metallic walls allowing an at least partially laterally offset arrangement of cartridges in the metallic body, the forward wall of the metallic body including at least one spacer extending along the forward wall, the spacer sized such that a forward-to-aft exterior dimension of the metallic body compatibly matches a forward-to-aft exterior dimension of the single stack magazine body, a length dimension of the metallic body compatibly matches a length dimension of the single stack magazine body, a cut-out in the metallic body adapted to receive a firearm magazine catch therein, the cut-out including an upper edge, and polymer over at least the upper edge of the cut-out.

ammunition magazine firearm
Apr 22, 2025

US12281869 - Toy projectile with interchangeable launch tip

A projectile launcher that can be selectively configured to either launch toy ball projectiles or launch toy rocket projectiles. The projectile launcher is a pneumatic launcher that has a main tube. The main tube terminates with a launch head. A slide tube engages the main tube in a telescoping manner. The relative movement of the slide tube and the main tube displaces air through the launch head. The projectile launcher is normally configured to launch toy ball projectiles. By adding a launch adapter to the launch head, the projectile launcher can be configured to launch toy rocket projectiles. The launch adapter has an elongated launch tube and a base. The base is selectively attachable to the launch head. This concentrically aligns the elongated launch tube with the main tube. A toy rocket projectile can be paced over the elongated launch tube.

Apr 22, 2025

US12281870 - Bows for bowhunting and archery

A bow for bowhunting or archery has a bow grip that includes a handle pivotally mounted over the rear surface of the bow at the bow grip creating a pivot point over which the handle pivots at which the different directions of torque exerted on the bow grip by the hand of an archer/bowhunter are focused into one area and straight into the bow, reducing or substantially eliminating the adverse effects of hand torque. Preferably, the location of the pivot point may be adjusted. The bow preferably also is provided with a pair of springs mounted between the handle and the rear surface of the bow for stabilizing the handle.