An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7987624 | Flashless electric firearm and ammunition therefor A substantially noiseless firearm and ammunition therefor, in which the projectile of the ammunition is attached to the front end of a sabot which fills the cross-sectional area of the barrel and is fired with the projectile. The barrel is provided with lands design... | 08/02/2011 |
| 7669358 | Dynamic process for enhancing the wear resistance of ferrous articles A dynamic process for increasing the wear life of ferrous articles subjected to a high-temperature environment created by combustion of a propellant or fuel comprises selecting the propellant or fuel so that its combustion products include relatively large amounts o... | 03/02/2010 |
| 7650710 | Article with enhanced resistance to thermochemical erosion, and method for its manufacture A body of iron, steel or other such ferrous material is protected from thermochemical erosion by a layer of an iron nitride having a relatively low nitrogen content. The atomic percentage of nitrogen in the iron nitride layer is no greater than 20%, and in specific ... | 01/26/2010 |
| 7631454 | Ball propelling machine A barrel (14)for a gas powered ball machine of the type used to simulate balls propelled whilst playing ball sports, especially those machines used to propel balls with a raised seam, such as a baseball or softball. The barrel (14) has one or more open... | 12/15/2009 |
| 7587853 | System for fastening the barrel of a rifle having a replaceable barrel A system for fastening the barrel (1) of a rifle with a replaceable barrel, the system consisting of a lock frame (2), into which the barrel socket (5) can be inserted into position and locked by a bolting device. The bolting device consists of ... | 09/15/2009 |
| 7444775 | Caliber convertible AR-15 upper receiver system A system that converts an original equipment (OEM) AR-15 rifle to a rifle capable of firing cartridges of at least two different calibers. Two or more barrel liners are provided for cartridges of differing calibers. Each liner is insertable through a rear opening of... | 11/04/2008 |
| 7380363 | Replaceable blank firing barrel A blank firing barrel for use with handguns is disclosed. The blank firing barrel is sized to be substituted for an existing live-ammunition firing barrel in a handgun. The blank firing barrel can be machined from a solid block of metal such as stainless steel so th... | 06/03/2008 |
| 7357082 | Modified shotgun and modified shotgun shell ammunition A shotgun which allows its operator to fire modified ammunition rounds as either slug rounds or rounds of shot. The shotgun is modified by the addition of components creating an electric circuit in the shotgun. The modified ammunition rounds contain a modified slug ... | 04/15/2008 |
| 7275342 | Semi-automatic weapon for several tubes cartridges loading system for long guns New design for semi-automatic weapon for several tubes cartridges loading system for long guns, wherein an in-between connection steel part fixes the barrel to the receiver. The retention of the cartridges inside the parallel tubes is done by three metallic nails. T... | 10/02/2007 |
| 7267794 | Ductile medium-and high-density, non-toxic shot and other articles and method for producing the same Density-enhanced compositions that are comprised of at least iron and tungsten, and articles, including firearm projectiles, formed therefrom. The articles have a density that exceeds that of steel, and which may be less than, equal to, or greater than that of lead.... | 09/11/2007 |
| 7254914 | Hydrogen operated recreational launcher A hydrogen operated gun for shooting projectiles such as a paint pellet. Hydrogen gas is supplied to a combustion chamber and is combusted by a trigger controlled piezo igniter. The hydrogen may be supplied by a hydrogen generator or by a hydrogen storage container ... | 08/14/2007 |
| 7254913 | Revolver for firing high velocity ammunition A revolver for firing high velocity ammunition includes a frame, a cylinder, a barrel, and a firing mechanism. The revolver may include one or more of the following, each of which is especially adapted for use in the context of firing high velocity ammunition: space... | 08/14/2007 |
| 7237705 | Firing pin actuation and reset mechanism for a powder actuated setting tool and method Disclosed herein is a method that relates to resetting and firing a powder actuated setting tool. The method includes resetting the tool by torsionally urging a portion of a firing pin into axial alignment with a finger of a barrel of the tool and compressing the ba... | 07/03/2007 |
| 7221831 | Multi-tube fiber optic cable and system and method for making the same A multi-tube fiber optic cable maintains a plurality of fiber tubes, each fiber tube containing at least one optical fiber therein. The plurality of fiber tubes are disposed apart from a central axis of the cable. A plurality of strength members are disposed apart f... | 05/22/2007 |
| 7210260 | Firearm cartridge and case-less chamber A firearm cartridge has a case configured with a relatively straight-walled portion and a shoulder portion for housing a quantity of propellant. The case further includes a neck for retaining a bullet. The straight-walled portion defines a base cavity having an inte... | 05/01/2007 |
| 7207256 | Weapons platform construction A vehicular weapons platform (30) including a plurality of barrel assemblies (10), wherein each barrel assembly includes a barrel (11), a plurality of projectiles (14) axially disposed within the barrel for operative sealing engagement wi... | 04/24/2007 |
| 7207272 | Identifiable bullet which is unduplicatable This identifiable bullet which is unduplicatable by a third party places plural (two or more) sets of identification codes onto or into a bullet and to make the identification codes in concordance. Thus, the bullet remains identifiable. At least one set of the ident... | 04/24/2007 |
| 7191558 | Dynamic process for enhancing the wear resistance of ferrous articles A dynamic process for increasing the wear life of ferrous articles subjected to a high-temperature environment created by combustion of a propellant or fuel comprises selecting the propellant or fuel so that its combustion products include relatively large amounts o... | 03/20/2007 |
| 7159353 | Shotgun firearm A shotgun has two or more firing chambers, each chamber having an exit opening, and a single barrel. A transition connects the exit openings of the firing chambers to the barrel. A movable cover is positioned over or adjacent to the exit opening of at least one of t... | 01/09/2007 |
| 7152357 | Composite firearm barrel assemblies A firearm barrel includes an elongate metal insert member and a rigid sleeve surrounding the insert member along a majority of the length of the insert member. A casing is formed around at least a portion of the sleeve, preferably by injection molding. Breech and mu... | 12/26/2006 |
| 7131228 | Modular firearm An M-4 firearm having a lower receiver assembly and an upper receiver assembly. The upper receiver assembly is connected to the lower receiver assembly. The lower receiver assembly has a fire control assembly. The upper receiver assembly has a barrel and a hand guar... | 11/07/2006 |
| 7107981 | Device for securing a compressed gas system to a paintball gun The present invention is a mounting bracket used to attach a compressed gas system to a lower side surface of a paintball gun. The mounting bracket positions the compressed gas system in relation to the paintball gun such that it lowers the vertical profile of the p... | 09/19/2006 |
| 7086336 | Firearm cartridge and case-less chamber A firearm cartridge has a case configured with a relatively straight-walled portion and a shoulder portion for housing a quantity of propellant. The case further includes a neck for retaining a bullet. The straight-walled portion defines a base cavity having an inte... | 08/08/2006 |
| 7076905 | Pneumatic paintball marker, universal barrel, adaptor and insert combination The present invention comprises a pneumatic paintball marker for use with an adaptor, the pneumatic paintball marker comprising a marker body which has a back portion and a front portion. The back portion is adapted to receive a paintball and the front portion is ad... | 07/18/2006 |
| 7076904 | Detachable gun barrel assembly A detachable gun barrel assembly having an adapter for threaded engagement with the receiver and a barrel dimensioned for affixation to the adapter. The adapter has a mating end section which threadedly engages the receiver V-threads and a receiving end section havi... | 07/18/2006 |
| 7059078 | Process for imprinting a composite ventilated rib A method of forming a composite rib for the barrel of a firearm is provided. The method generally includes aligning composite material and a release layer and directing the combination of materials through a die. The release layer is removed from the intermediate ri... | 06/13/2006 |
| 7047684 | Short repeater rifle Short repeater rifle with a barrel, which has on one of its ends a cartridge receiver; a locking system; a trigger assembly with a trigger and a trigger guard; a firing mechanism; a magazine; and a targeting device, characterized in that the center of gravity of the... | 05/23/2006 |
| 7040310 | Paintball projectile drop compensator A barrel adaptor for a paintball gun is provided to induce spin onto a paintball exiting the barrel of the paintball gun thereby providing selected projectile drop compensation. The adapter consists of a structure having an elongated aperture with a first end adapte... | 05/09/2006 |
| 7036260 | Method and system to prevent firing live rounds of ammunition during miles exercises A safety system for preventing a handheld firearm from discharging an inadvertently loaded live ammunition projectile or bullet during a training exercise or the like by safely venting through a series of substantially perpendicular vent holes in the barrel, the pre... | 05/02/2006 |
| 7013592 | Guns with exterior surface configured barrels Gas-operated automatic and semi-automatic guns are improved by providing their barrels with unique exterior surface configurations to reduce the weight of their barrels while retaining the barrels' original stiffness and to cause the barrels to dissipate heat faster... | 03/21/2006 |
| 6990764 | Shotgun attachment A tube and ring assembly is provided for use with a shotgun barrel including a cylindrical tube, which may be a conventional choke tube or a carrier platform, with a first externally threaded portion at one end for threadingly engaging an internal thread in the shot... | 01/31/2006 |
| 6949282 | Contoured crushable composite structural members and methods for making the same The present invention provides contoured crushable composite structural members and methods for making the same. The contoured structural members comprise composite materials sandwiching a support or stabilizing structure. The contoured structure can be provided by ... | 09/27/2005 |
| 6935063 | Triple-barrel shotgun A break down triple-barrel shotgun includes three barrels, having two bottom barrels and one top barrel positioned on top of the two bottom barrels. In this respect, the triple-barrel shotgun has features of both side by side and over and under shotguns. The triple-... | 08/30/2005 |
| 6931776 | Apparatus for the section-wise autofrettage of gun barrels An apparatus for the section-wise autofrettage of gun barrels (22) by a hydraulic pressure generated inside the barrel. The apparatus (1, 1′, 1″) comprises a mandrel-shaped insert (2, 2′, 2″) inserted into the barrel (22) from the... | 08/23/2005 |
| 6931774 | Smokeless cylinder for muzzle-loading revolver A replacement cylinder that enables the use of modern smokeless gunpowder in a black powder muzzle-loading revolver is provided. The cylinder includes a main cylinder body and a removable cylinder cap. The main cylinder body includes a number of chambers, each of wh... | 08/23/2005 |
| 6912807 | Firearms safety device The invention relates to a safety device and a securing method, in particular for securing firearms against unauthorised use. A device according to the invention is provided with at least one clamping or locking portion that is insertable into a barrel 100 of... | 07/05/2005 |
| 6889464 | Composite structural member To make a composite gun barrel, an inner barrel of a hard refractory material is formed and a composite jacket formed over it to increase the stiffness and strength while not adding excessive weight. The tows in the external jacket are varied in pitch along the barr... | 05/10/2005 |
| 6886284 | Firearm microstamping and micromarking insert for stamping a firearm identification code and serial number into cartridge shell casings and projectiles A firearm comprising a gun barrel for accommodating a desired round of ammunition having a bullet, a shell casing and a primer. The gun barrel has a firing pin associated with a chamber of the gun barrel and the firing pin is activated by a trigger assembly. When th... | 05/03/2005 |
| 6874403 | Assembly and a method for increasing the accuracy of a projectile An assembly (10) having an outer barrel (12) and an inner barrel (30) having a pair of dissimilar sized bearings (38, 40) which are press fit within the outer barrel (12) and which permit the inner barrel (30) to mechanicall... | 04/05/2005 |
| 6826865 | Gun chambering device A chambering device for a gun includes a shank having a plurality of cutting flutes, a projection extending from one end of the shank, at least one spacer disposed about the projection, and a shaft extending from the shank opposite the projection and adapted to rota... | 12/07/2004 |