Abstract: A plate stack structure including plate stacks is disclosed. The plate stack structure according to the present invention includes: a base; a plurality of plate stacks having a predetermined shape; a plurality of fixing parts for fixing the plate stacks, respectively; a cover coupled to an end surface of an edge of the base, the cover holding the plate stacks therein; and a support plate commonly placed in the plate stacks, the support plate coming into contact with an inner surface of the cover.

Abstract: In a three-dimensional heat conducting structure and its manufacturing method, the manufacturing method includes the steps of (a) providing a vapor chamber having at least one insert hole; (b) providing a heat pipe having an open end, and inserting the open end into the insert hole; (c) providing a support ring, and sheathing the support ring on a joint position of the heat pipe and the vapor chamber; and (d) providing a soldering means, and applying the soldering means between the support ring and the heat pipe.

Abstract: A thermal energy storage is provided comprising a housing, a thermal energy storage structure arranged within the housing, the thermal energy storage structure comprising thermal energy storage elements and a plurality of dividing elements, the plurality of dividing elements being arranged such that the thermal energy storage elements are divided into a plurality of layers, a fluid inlet, the fluid inlet being in fluid communication with the housing and adapted to receive a working fluid and provide a flow of working fluid towards the housing, and a convection reducing structure arranged adjacent the thermal energy storage structure at a side of the thermal energy storage structure that faces the fluid inlet. Furthermore, a method of storing thermal energy and a steam power plant for producing electrical energy are described.

Abstract: A plate fin heat exchanger 1 includes a corrugated fin 3 and tube plates 2. An intermediate portion 33 of the corrugated fin between crest and trough portion 31 and 32 thereof has a plurality of protruding ribs 34 protruding beyond a surface of the corrugated fin and arranged in a first direction. Surfaces of the crest and trough portions being in contact with the tube plates are configured as contact surfaces 310, 320 with no protruding rib. Gently sloping portions 341 are provided between the protruding ribs and the contact surfaces of the crest and trough portions to gradually protrude from the surface of the corrugated fin with increasing distance from the contact surfaces, and are continuous with the protruding ribs.

Abstract: A heat exchanger assembly is provided which includes a coaxial heat exchanger that is formed, at least in part, of a more corrosion resistant material such as, but not limited to stainless steel, titanium and/or alloys thereof. The assembly further includes a condenser tee connected at each end of the coaxial conduit or tubing defining the heat exchanger. The assembly allows for a non-brazed connection of the condenser tee to an inner tube of the coaxial heat exchanger. In some embodiments, the compression fitting may be connected directly to the heat exchanger without the use of a tee.

Abstract: A charging handle for a firearm having an elongate member, a bolt engaging element at a forward end, a handle portion at a rearward end, the handle portion including a first projection from the elongate member and a second projection from the elongate member opposing the first projection, the first projection having a first surface defining an elongate opening at least partially therethrough extending substantially parallel with a longitudinal axis of the elongate member and configured to receive a first end of a lanyard, and the second projection having at least one surface defining a pivot point opening with a pivot axis substantially perpendicular to the longitudinal axis of the elongate member, and a latch having a surface defining a first opening therethrough, where the latch pivots around a pivot pin positioned through the pivot opening and the first opening through the latch.

Abstract: A modernized firearm including interchangeable features.

Abstract: An advanced reloading mechanism for an automatic or semi-automatic weapon includes a firing chamber, a firing bolt and an ammunition magazine-well configured to receive an ammunition magazine with an outer casing. The outer casing of the magazine has a cavity and a spring driven follower in said cavity. An automatic magazine release mechanism is cooperated with an actuator of a first ammunition magazine, so that the first ammunition magazine is automatically released and expelled from the magazine well when the actuator reaches a predetermined position with respect to said magazine well. Further; a bolt catch mechanism is included to hold the firing bolt and chamber in an open position when a last bullet of the first ammunition magazine is fired.

Abstract: The present invention includes modifications to a standard magazine and magazine follower to effect automatic ejection of an ammunition magazine from a weapon, once the last round has left the magazine.

Abstract: Firearms with improved systems and methods of controlling which side of the firearm shell casings are ejected from, with ejection port covers on both sides of the firearm that open to provide cross ventilation, or both. In some embodiments, the bolt can be installed in one of two different orientations to select whether shell casings are ejected from the left or the right ejection port without a need to replace any parts. In a number of embodiments, spring loaded ejection port covers on both sides open when the firearm is fired or when the bolt or carrier of the firearm moves to provide cross ventilation through a passageway through the firearm to cool the firearm. The covers can be manually closed by the operator when the weapon is not being fired to keep dirt and debris out of the firearm.

Abstract: An apparatus comprises a trigger assembly for initiating a firing of a firearm. The trigger assembly comprises a trigger blocking portion. A safety selector lever is configured for joining to the firearm. The safety selector lever has an on position with the safety selector generally in a downward position and accessible to a user's thumb of a hand gripping a grip of the firearm. The safety selector is rotatable by the user's thumb to an off position where the user operates the trigger assembly while maintaining the safety selector in the off position. A safety cam is in engagement with a pivot end of the safety selector. The safety cam is configured for engaging the trigger blocking portion in the on position to inhibit the firing and for engaging the trigger blocking portion in the off position.

Abstract: The invention described herein improves the trigger feel and reset perception using three primary alterations. First, the addition of a spring that presses against the trigger bar, further increasing the reset action. Second, the addition of a pin or screw to a specific location on the trigger bar, increasing the deformation of the trigger bar when pushed to the side by the slide. The result is the trigger bar holds a greater force, increasing the tactility of the reset. Third, the use of a specific sear shape, altering the camming action of the sear, and thus how the sear interacts with the trigger bar and firing pin. Each of these inventions alone results in an improved trigger feel and action. Together the result is a gun with greatly improved trigger characteristics.

Abstract: An archery bow comprises a structural riser that comprises a plurality of cells defined between structural rails and connecting members. In some embodiments, a central longitudinal axis of the riser is oriented midway between the rails. In some embodiments, a first plurality of cells are aligned along the central longitudinal axis. In some embodiments, connecting member intersections are aligned upon the central longitudinal axis.

Abstract: A bow stabilizer for an archery bow having a first portion forming an angle to a second portion. The angle of the bow stabilizer creates a bent or curved shape between the first and second end, allowing a greater number of positions of the bow stabilizer than the current state of the art linear bow stabilizers. Additionally, the bow stabilizer of this application allows a user to easily switch positions by a rotating the bow stabilizer in the bow.

Abstract: The embodiments herein provide a bow hunting box for holding bow, hunting gear, hunting accessories, boots etc. The box comprises several compartments for holding bow tray, leg kit, ski kit etc. The bow tray holds the bow, arrows and hunting accessories in position using straps without damage. The box comprises an ozone device for maintaining the box scent free. The box comprises a lid for providing a dry platform for the hunter. The lid is configured to seal box with an O-ring gasket. The box is configured as a storage during off season for keeping the items away from pest, varmints, elements etc. The box is mounted on vehicle for easy transportation from one place to another. The box has carbon filter for removing the scent/odor.

Abstract: A projectile launching device, which preferably includes a main body, a handle, a plunger, a plunger handle, and a projectile chamber. The plunger handle is connected to the plunger and preferably located proximate the rear of the main body. The invention is fabricated in such a way that allows the user to grasp the handle, pull the plunger handle towards them, and launch a projectile away from them. Preferably, the projectiles launched are spherical. In addition, the handle is preferably hollow In order to act as spare projectile storage. Preferably, the projectile is launched using a burst of air. The burst of air is created when the-user pulls back on the plunger handle and releases it.

Abstract: In various embodiments, a multi-barrel revolver and/or firearm system may comprise a cylinder barrel. The cylinder barrel may be removable from a frame. The cylinder barrel may comprise one or more chambers coupled to one or more barrels. The cylinder barrel may be further configured to shoot a plurality of calibers of ammunition. In various embodiments, the cylinder barrel may allow an operator to scavenge and fire any caliber of ammunition.

Abstract: A butt stock for a firearm including the butt stock arrangeable in a first configuration to fold toward a first side of a receiver of the firearm into a first folded position along the first side of the receiver, and unfoldable away from the first side of the receiver of the firearm into an unfolded position rearward of the receiver; and the butt stock arrangeable in a second configuration to fold toward a second side of the receiver of the firearm into a second folded position along the second side of the receiver, and unfoldable away from the second side of the receiver of the firearm into the unfolded position rearward of the receiver.

Abstract: Disclosed are recoil-inhibiting grips for handguns that minimize recoil without sacrificing aiming accuracy. The grips may provide both recoil inhibition and grip stability by incorporating a vibration-damping elastomeric strategically positioned in only the back surface of a handgun grip (e.g., facing the palm). The elastomeric insert may be incorporated in the top section of the rear surface of the grip, where the bulk of the recoil force meets the user's palm.

Abstract: Extendable tangs are used to increase the surface area of grips so as to better enable users with larger hands to adequately control smaller items. Tangs are stowed within the body of a grip and deployed through one of a number of mechanisms, including spring-loaded and non-spring loaded mechanisms.

Abstract: Securing platform accessories are described herein. An example securing platform accessory comprises a rail mount, an electronic device holder, and a handle. The rail mount includes one or more guides that are sized and configured to allow the securing platform accessory to be releasably attached to a securing platform, such as a tactical rail on a firearm.

Abstract: A slide cover plate adapter and related methods of use for adding functionality to a semi-automatic handgun. The slide cover plate adapter replaces a factory slide cover plate located at a rear wall of a slide assembly in conventional semi-automatic handguns. The slide cover plate adapter includes a channel engagement portion and an accessory engagement portion that are spaced apart and coupled with a bridging member. The channel engagement portion operably couples to the slide assembly while the accessory engagement portion provides a convenient attachment point for any of a variety of handgun accessories.

Abstract: A picatinny/weaver style mount for a folding bayonet provides a cradle with set screws, for affixing the folding bayonet to the mount. The mount can be affixed to any picatinny/weaver style rail that is on the barrel of a rifle, automatic weapon, shotgun, or other long firearm. Below the cradle, is a rail mount that provides a main bolt for the mount, which may be secured with an Allen wrench and released with one hand. On the left side and the right side of the mount, picatinny rails are provided for securing a flashlight, sighting laser, bipod, or other attachments.

Abstract: A holster for a handgun, having at least some of an at least partial cavity; a lever having a finger button portion and an engagement portion, wherein the lever includes a locking projection extending from at least a portion of the engagement portion, and wherein the lever is pivotally attached or coupled to at least a portion of the holster, approximately between the finger button portion and the engagement portion; and a lockout element rotatably attached or coupled to at least a portion of the holster such that the lockout element is rotatable between a locked position and an unlocked position, and wherein at least a portion of a locking portion of the lockout element is positioned above at least a portion of the engagement portion of the lever when the lockout element is in the locked position.

Abstract: A two part clamping retention clip is provided comprising a mounting area for attachment to a holster, bag, pouch or other device and a clamping head with adjacent flap for reversible and secure engagement to a material worn by the user.

Abstract: A firearm and firearm sight system includes a rear sight that changes the image of the front sight, that is, what the operator observes when viewing the front sight through the rear sight. The rear sight accomplishes this front sight image change by obscuring portions of the front sight and its shape when the operator observes the front sight looking through the rear sight. This obscuring of the front sight results in the observance by the operator of a new front sight shape. The new front sight shape represents an aligned sight picture, meaning the new front sight shape indicates the firearm sights are correctly aligned on the firearm and can then be aligned with the intended target.

Abstract: A bow sight is described herein. The bow sight includes, in an embodiment, a frame configured to be coupled to an archery bow. The frame defines or includes a track or slot which extends vertically. At least one sight pin is coupled to frame and is movable between a plurality of vertical positions. At least one biasing member is coupled to the sight pin. The biasing member maintains the sight pin in a selected position to facilitate adjustment of the sight pin.

Abstract: A firearm accessory mount interface to be mounted on a rail interface system has one or more fastener pairs of tightening fasteners and pivot fasteners as well as alignment relief lugs. The alignment relief lugs are shaped and spaced to provide proper alignment on the rail interface by engaging either a rear or front wall of the KeyMod or M-LOK rail interface mounting slot and due impeding movement parallel to the rail. The pivot fastener is sized to enter the selected rail interface in a horizontal orientation and pivot to a vertical orientation relative to the selected rail interface whereby preventing extraction of the accessory mount. The tightening fastener inserted into a fastener hole, situated at a the center point of the pivot fastener, can then be rotated to secure the tightening fastener and the pivot faster together thereby securing the mount interface onto the firearm.

Abstract: A method, apparatus and system for networking accessories to a firearm or weapon wherein the accessories are powered from the rail and data is transferred between the accessories and the rail. In one embodiment, a weapon is provided, the weapon having: an upper receiver; a lower receiver; a powered accessory mounted to a rail of the upper receiver; and an apparatus for networking a microcontroller of the powered accessory to a microcontroller of the upper receiver and a microcontroller of the lower receiver, wherein the data is exclusively provided to the powered accessory from one of a plurality of coils located within the rail; and wherein the powered accessory further comprises a plurality of coils and the powered accessory is configured to determine when one of the plurality of coils of the powered accessory is adjacent to the one of the plurality of coils of the rail.

Abstract: A locking mechanism for a firearm accessory that is meant to be attached to the rail system of a firearm such as a pistol. The locking mechanism features a locking screw that can either be a set screw or a jam socket screw that is advanced within a bore housed by the device until the screw contacts and raises a platform featuring a protrusion configured to engage with a rail system on a firearm frame. The device can also feature a spring located between the locking screw and the platform that can be used to keep tension on the platform. In addition, the device can feature a thumbscrew that is used to advance the locking screw within the device's bore. The locking device is attached to the firearm and screwed into place, but has to be removed through the use of a separate tool.

Abstract: A bulletproof protection structure comprises at least a flexible base and a reinforcing structure realized by means of at least one ballistic panel associated with the flexible base. The ballistic panel is finely divided into a plurality of elementary components, individually associated with the flexible base, structurally independent of one another and not bound to each other, so as to ensure flexibility for the structure as a whole.

Abstract: A ballistic resistant panel can be configured to be quickly and easily installed in a vehicle door. The ballistic resistant panel can include a plurality of ballistic sheets arranged in a stack. The stack can have an outer perimeter sized to fit within a cavity of the vehicle door. The panel can include a cover disposed over the stack, and the cover can be sealed around a perimeter of the stack to form a waterproof barrier that prevents moisture from reaching and altering the performance of the ballistic sheets. At least one anti-wear strip can be adhered to an outer surface of the cover. The anti-wear strip can provide a low friction surface that protects the panel from damage caused by moving internal door components, such as moving window components that repeatedly rub against the panel.

Abstract: A ballistic resistant article includes a front strike face and a backing that is bound by stitching to the front strike face. The front strike face includes a rigid layer and the backing includes at least one non-rigid fibrous layer. The front strike face and the flexible backing have a combined weight, and the rigid front strike face can be 1% to 20% of the combined weight.

Abstract: A personal defense device for being used during an attack having a defense component having a defense member and an aerosol directing system, an alarm component having an alarm member and an alarm directing system, and a housing where the housing is capable of receiving the defense component and the alarm component, the defense component is capable of emitting a self-defense aerosol, and the alarm component is capable of emitting an alarm signal.

Abstract: A fluid dispenser apparatus includes a sealed fluid reservoir container storing a volume of a fluid under a pressure higher than at least 140 psi, a nozzle juxtaposed with the sealed fluid reservoir container, and a trigger mechanically coupled with the nozzle. The nozzle has a fluid inlet that is configured to fluidly couple with the volume of the sealed fluid reservoir container and a fluid outlet configured to emit a stream of the fluid. When activated the fluid inlet of the nozzle is caused to permanently unseal the sealed fluid reservoir container and relate substantially all the fluid under pressure in the volume through the fluid outlet as the stream in a direction determined by a user.

Abstract: An electroshock system wirelessly delivers a shock to a subject. The electroshock system may include a launcher, a wireless projectile, a power source, and a wireless power transmitter. The launcher is configured to be grasped by a user. The wireless projectile is configured to detach from the launcher and adhere to a subject. The power source contributes power for the administration of a shock to the subject. The wireless power transmitter delivers said contributed power to the wireless projectile while the wireless projectile is detached from the launcher. The power source and the wireless transmitter may be co-located with the launcher, or may be separate (such as secured to a person or within a vehicle).

Abstract: This invention a weapon system is created to protect watch, and guard the free world. It is designed for development and use by the United States of America for the primary protection of those that prefer the confidence of safety and security. The function is to aid with the war on terrorism and drugs. This innovation is a defense system. The weapon system is designed to magnify sunrays from Earth's outer atmosphere. The operation of the weapon system is designed to be functional by both day and night. Through the use of reflective relay panels and Earth's outer atmosphere sunrays are directed to the weapon system. The sunrays pass through a chamber which contains a series magnification lens systems. The targeting system is designed to eliminate a single combatant with a variable expanding to eliminate entire countries. The weapon system is an apparatus which deals with satellite control systems. Implementation of the weapon system will be cost-effective to America and save American lives.

Abstract: This invention is a unique arrangement of shaped charge devices in an array to produce a patterned or arranged explosive pattern in a target area. The Axilinear design, in a plural array configuration, solves the limitations of a smooth walled circular linear liner by having opposing corrugations or flutes that have sufficient curvature to converge the liner material so as to obtain ductile Munroe jetting, longer jets, and higher velocities. The individual shaped explosive devices have a liner that produces a single combination jet consisting of a forward rod portion and rearward flattened spade shaped portion, this jet has a velocity gradient form tip to tail. This Axilinear device will produce a combination jet, consisting of a rod forward portion, followed by and connected to a planar symmetric wide spade shaped rear portion.

Abstract: The present invention provides a subsonic ammunition including a polymeric casing body comprising a generally cylindrical hollow polymer body having a body base at a first end thereof and a mouth at a second end to define a propellant chamber; a propellant insert positioned in the propellant chamber to reduce the internal volume of the propellant chamber, wherein the propellant chamber has an internal volume that is at least 10% less than the open internal volume of a standard casing of equivalent caliber; a propellant disposed and confined within the propellant chamber; a primer insert positioned at the body base and in communication with the propellant chamber; a primer disposed in the primer insert in combustible communication with the propellant; and a projectile frictionally fitted in the mouth in combustible communication with the propellant.

Abstract: The present invention provides a subsonic ammunition cartridge including a polymeric casing body comprising a generally cylindrical hollow polymer body having a body base at a first end thereof and a mouth at a second end to define a propellant chamber; a propellant insert positioned in the propellant chamber to reduce the internal volume of the propellant chamber, wherein the propellant chamber has an internal volume that is at least 10% less than the open internal volume of a standard casing of equivalent caliber; and a primer insert positioned at the body base and in communication with the propellant chamber.

Abstract: An expandable broadhead includes an elongated ferrule and a blade. The ferrule includes a forward ferrule tip and an aft shank operable to connect the broadhead to an arrow shaft. The blade presents an elongated cutting edge that extends along the length of the blade. The blade is shiftably mounted relative to the ferrule to shift into and out of a retracted position where the blade extends alongside the ferrule. The blade extends forwardly beyond the ferrule tip in the retracted position so that the blade presents a forward facing edge of the broadhead.

Abstract: A fin deployment system for a projectile is provided, the fin deployment system defining a longitudinal axis and including: an actuator plate, a first mechanical stop arrangement, an actuation assembly, a plurality of fin assemblies, and a second mechanical stop arrangement. The actuator plate is pivotable from a first pivot position to a second pivot position about the longitudinal axis. The first mechanical stop arrangement is configured for initially locking the actuator plate at the first pivot position, and for selectively unlocking the actuator plate from the first pivot position responsive to an actuating force, to thereby allow the actuator plate to pivot to the second pivot position. The actuation assembly is for selectively applying the actuating force to the first mechanical stop arrangement, to thereby unlock the actuator plate from the first pivot position.

Abstract: A method and apparatus is provided that provides accurate navigation for spin-stabilized projectiles in a GPS-denied environment using low cost measurement sensors, by application of flight dynamics in real-time state estimation algorithms.

Abstract: A munition that is adapted to enhance fragmentation effects upon detonation includes preformed fragments between a casing and a shell. The overall mass of the preformed fragments is greater than the overall combined mass of the casing and the shell for enhancing the degree of controlled fragmentation compared to uncontrolled fragmentation. By enhancing the dispersal of controlled fragmentation, the overall fragmentation area coverage and fragmentation pattern density may also be enhanced while limiting travel of the fragmentation beyond the target area for reducing collateral damage. The preformed fragments may fill a continuous volume between the casing and the shell to effectively utilize the munition volume and to maximize the amount of preformed fragments contained within the shell. The preformed fragments may be free flowing pellets that are poured into the volume between the casing and the shell for enhancing distribution of the fragments and for improving assembly of the munition.

Abstract: The present invention provides a method of making a subsonic ammunition cartridge having a polymeric casing body having a generally cylindrical hollow polymer body having a body base at a first end thereof and a mouth at a second end to define a propellant chamber; a propellant insert positioned in the propellant chamber to reduce the internal volume of the propellant chamber, wherein the propellant chamber has an internal volume that is at least 10% less than the open internal volume of a standard casing of equivalent caliber; and a primer insert positioned in the body base and in communication with the propellant chamber.

Abstract: The detonation of one or more explosive charges and propellant charges by a detonator in response to a fire control signal from a command and control system comprised of a command center and instrumentation center with a communications link therebetween. The fire control signal is selectively provided to the detonator from the instrumentation center if plural detonation control switches at the command center are in a fire authorization status, and instruments, and one or more interlocks, if included, are in a ready for firing status. The instrumentation and command centers are desirably mobile, such as being respective vehicles.

Abstract: A size gauge for a nut having flat edges, the size gauge comprises a first surface against which a first flat of the nut is placed, and a second surface against which a second flat of the nut which is adjacent the first flat is placed. The second surface is at an angle of about 120 degrees to the first surface. Distance markings are provided on the side gauge at or near the first surface, the distance markings indicating an across flat measurement based on the length of the flat.

Abstract: A tape measure including a housing arranged to enclose an internal cavity, where the housing defines a front wall. A port is formed in the housing and spaced a non-zero distance from the front wall. A measuring tape is at least partially disposed within the internal cavity of the housing and extends through the port. The measuring tape is rotatably coupled to the housing. A finger guard assembly is positioned adjacent the front wall, such that the finger guard assembly cooperates with the port to define a space therebetween. The measuring tape passes through the space outside of the housing to facilitate the control of the retraction and extension of the measuring tape through contact within the space.

Abstract: A measuring apparatus includes a first angle measuring member, a second angle measuring member, and a display module. The first angle measuring member includes a first connecting shaft, a first needle rotatably connected to the first connecting shaft, and a first angle measuring instrument. The second angle measuring member includes a second connecting shaft, a second needle rotatably connected to the second connecting shaft, and a second angle measuring instrument. The first angle measuring instrument is configured to measure a first angle between the first needle and the first connecting shaft, and the second angle measuring instrument is configured to measure a second angle between the second needle and the second connecting shaft. The display module is configured to calculate a size of the object based on the first angle, the second angle, and lengths of the first connecting shaft and the second connecting shaft.

Abstract: The present invention consists of a device (1) suitable for use during molding work for the measurement of at least one angle formed by at least one first surface and at least one second surface and for conveying the angle or angles to cutting equipment for the adjustment of cutting angles. The device is comprised of at least one first arm (2) and at least one second arm (3) which are connected to each other via at least one connecting device (4) and pivotally arranged in relation to each other via at least one first axis of rotation (5) and that the device (1) includes at least one angle indicator (36) with which the mutual angle between the first arm (2) and the second arm (3) is measured. The device (1) includes at least one unit which indicates a part of angle (V), preferably half of the angle (V), between the first arm (2) and the second arm (3) and that this unit is suitable for use in the adjustment of the angle in a cutting machine. The present invention also concerns a method for use of the device.