| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 042025000 | Extractors | 27 |
| 20080209788 | Bridged extractor spring for firearms - New and unique improvements of prior known M4/M16 firearms are disclosed that comprise (A) a bolt which, in addition to all of the normal M4/M16 features is configured or reconfigured to accept a bridged extractor spring which straddles the firing pin and presses against the bottom of the extractor with the bridging wire, and (B) a bridged extractor spring which is a single part, wound with dual spaced helical coils connected with a bridge wire that maintains the spacing at the top of the spring. The bridge wire preferably crosses diagonally between and is tangent to both coils. | 09-04-2008 |
| 20100162605 | BOLT ACTION FIREARM - A bolt action firearm includes a bolt assembly with a bolt body having an outer surface defining a longitudinal guide channel extending along a length of the bolt body from a rearward end to a forward end. A receiver defines a central longitudinally extending bore for accommodating the bolt body. A bolt guide is configured to be coupled to the receiver. The bolt guide includes a projection configured for traveling in the guide channel when moving the bolt body in the receiver so as to ensure that the bolt body is at a predetermined correct angular orientation within the receiver. | 07-01-2010 |
| 20100281734 | MULTI-CALIBER BOLT FOR A FIREARM - A bolt for a firearm is described that can be used to chamber, extract, and/or eject different cartridges that have different outside rim diameters. In one embodiment, the bolt includes a bolt head that is configured to engage the rearward end of a plurality of different cartridges. The bolt may include an extractor that is configured to engage the rims of the plurality of cartridges and/or an ejector that is configured to bias the cartridge case out of an ejection port of the firearm. | 11-11-2010 |
| 20100281735 | SLIDE CATCH-EJECTOR ASSEMBLY FOR FIREARM - A slide catch-ejector assembly for an autoloading firearm. An embodiment of a firearm having a slide catch-ejector assembly includes a housing, a slide slidably mounted on the housing for rearward and forward axial movement, and an assembly having a slide catch portion configured for engaging the slide and an ejector portion configured for ejecting cartridge casings from the firearm. In one embodiment, the assembly is selectively movable in the housing between a deactivated position in which the slide catch portion is not engageable with the slide and an activated position in which the slide catch portion is engageable with the slide. The ejector portion is selectively movable into and out of axial alignment with a chamber that receives a cartridge via moving the assembly between the deactivated and activated positions. | 11-11-2010 |
| 20110252686 | High Reliability Extractor Depressor for Use in Handguns - A high reliability extractor depressor assembly for use in handguns which significantly reduces the effect of recoil on the extractor depressor plunger assembly. These positive effects are accomplished by the following: (a) designing a new longer piece (standoff bar) of greater mass, (b) redistributing the mass from the rear of the assembly to the front, (c) designing a new shorter piece (extractor depressor plunger), (d) reversing the location of the longer piece (standoff bar) and the shorter piece (extractor depressor plunger) in the assembly, (e) increasing total mass of the assembly, and (f) changing the balance of the assembly by shifting mass to the rear of the spring. | 10-20-2011 |
| 20110308127 | SYSTEM FOR EVACUATING CARTRIDGES - A system is for evacuating cartridges, applied to a firearm | 12-22-2011 |
| 20120017481 | FIREARMS AND FIREARM COMPONENTS COMPRISING BONDED MULTI-METALLIC MATERIALS; METHODS OF MANUFACTURE - Firearms and firearm components are constructed from bonded multi-metallic base materials comprising at least two dissimilar metallic materials having different properties, such as weight, density, wear resistance, durability, hardness, and the like, bonded to one another. The components are fabricated such that the metallic material having higher impact- and wear-resistance is positioned at areas that experience impact, or that include bearing points, wear points, and interfaces with other components, while a lighter weight metallic material is positioned at component locations that don't have rigorous material property requirements. The bonded multi-metallic materials may be explosively bonded multi-metallic materials. | 01-26-2012 |
| 20120167427 | ROTATING AND TRANSLATING EXTRACTOR MECHANSIM - An extractor mechanism for a firearm includes a firearm slide having a pocket, the pocket extending in a longitudinal direction substantially parallel to a firing axis of a firearm and having an opening proximate to a breech face of the slide, and an extractor arm having a body portion and a hook portion, the body portion being disposed at least partially within the pocket and the hook portion extending at least partially out of the opening and having a distal edge sized to engage a cartridge rim, wherein the extractor arm is pivotally and slidably mounted to the slide such that the hook portion is capable of being pivoted toward and away from the firing axis and the extractor arm is capable of translational movement with respect to the slide in a direction substantially parallel to the firing axis. | 07-05-2012 |
| 20140075805 | Firearm barrel having cartridge chamber preparation facilitating effiecient cartridge case extraction and protection against premature bolt failure - To permit ease and efficiency for the extraction of spent cartridge cases from the cartridge chamber of a firearm barrel within a wide range of temperature conditions, the internal tapered surface of the body region of a cartridge chamber is prepared by establishing circumferentially spaced longitudinal straight or curved regions of the internal surface finish to create an internal cartridge chamber geometry having gradually tapered spaced longitudinally relieved linear or spiral areas having longitudinal linear or spiral lands between each of the relieved areas. The circumferentially spaced lands develop controlled impedance to rearward cartridge case movement on cartridge firing to effectively protect the bolt and extractor mechanisms of the firearm against early failure. | 03-20-2014 |
| 20140075806 | BREECH BOLT FOR FIREARM - A firearm including a receiver, a barrel, a breech bolt assembly, and a trigger assembly. The bolt assembly has a bolt including a body portion, a lug portion, and a firing pin bore. The lug portion includes outward extending lugs, a cartridge recess, and an off-center hole. The bolt assembly also includes an extractor and an ejector pin. At least some of the lugs on the lug portion of the bolt have a tapering outer face so that a rearward face of the respective lug is taller than a forward face of the respective lug. In another aspect, at least some of the lugs on the lug portion of the bolt have tapering side faces so that a rearward face of the respective lug is wider than a forward face of the respective lug. | 03-20-2014 |
| 20140075807 | FIREARM BOLT - Disclosed is a firearm bolt that may optionally incorporate one or more ejectors that are located closer to the extractor. The disclosed firearm bolt may also optionally position the ejector(s) outside of a central portion of a cartridge that experience high compression forces when the cartridge is fired. | 03-20-2014 |
| 20140090283 | BOLT CARRIER AND BOLT FOR GAS OPERATED FIREARMS - An improved bolt and bolt carrier with integral gas key having an extension nozzle threadedly secured and pinned to the gas key for use with a direct gas operated firearm is provided. The extension nozzle is designed to receive a portion of the host firearms gas operating system. The firing pin retaining pin is oriented so as to expose its widest profile to the firing pins annular flange, increasing its service life. The bolt has a plurality of lugs extending from its forward end and an extractor recess. The extractor recess is constructed to accommodate an enlarged extractor claw while not undercutting the bolt lugs adjacent thereto. The extractor engages approximately 57% more of a seated ammunition cartridges rim as compared to some prior art AR15/M16 type extractors used with automatic firearms chambered in 6.8 SPC. The result is an improved bolt and bolt carrier which provides for increased operational reliability. | 04-03-2014 |
| 20140137454 | EXTRACTOR FOR A FIREARM - An extractor for a firearm and method of using the same are provided. The extractor comprises a bullet casing edge including a substantially straight portion and a tab portion situated below and extending from the substantially straight portion. The substantially straight portion is configured to engage the casing and enable it to travel vertically along the substantially straight portion while maintaining engagement therewith. The tab portion is configured to engage the casing and to inhibit it from traveling downward along the casing engagement edge below the tab portion. | 05-22-2014 |
| 20140196339 | Extractor for Self-Loading Firearm - An extractor for a self-loading firearm is mountable on a breech block and is formed of a body having a hook at one end. The body is pivotally mounted via a pivot pin. A surface is positioned between the pivot pin and the hook. The surface is divided into at least two surface portions offset from one another. One of the surface portions has a plurality of step surfaces offset from one another. The step surfaces are used to fix the bar dimension of the hook. The invention also encompasses a slide on which the extractor is mounted, as well as a self-loading firearm having the slide. A method of fitting the extractor to the pistol or slide is also disclosed. | 07-17-2014 |
| 20140259842 | ELASTOMERIC EXTRACTOR MEMBER - A biasing member for a bolt assembly of a firearm is described herein. The biasing member comprises a body having a first portion configured to engage and seat within a biasing member receiving indentation of an arm of the extractor, and a second portion configured to engage and seat within a receiving area along a bolt of the firearm. The body provides a biasing force directed against the extractor arm. The body comprises an elastomeric material, and is configured such that the first and second portions provide varying levels of compression sufficient to maintain a substantially constant extractor tension between the extractor arm and a cartridge. | 09-18-2014 |
| 20140259843 | FIREARM EXTRACTION SYSTEM - An extraction system for extracting a cartridge from a firing chamber of a firearm includes an extractor mounted within the firearm bolt which has a bolt head with a plurality of lugs proximate a bolt face, a cartridge recess extending axially inward from the bolt face, and an extractor aperture extending radially outward through one of the lugs. A spring aperture extends axially through the one lug and intersects with the extractor aperture. The extractor is slidably mounted within the extractor aperture and has a hook portion for coupling with the cartridge and a transverse spring bore extending through a mid-section of the extractor. The extraction system further includes an extractor spring having an anchor portion mounted about the outer surface of the bolt and a cantilever spring portion inserted through the spring aperture and into the transverse hole in the extractor, for resiliently biasing the extractor toward the cartridge recess. | 09-18-2014 |
| 20150040451 | FORWARD EJECTION ASSEMBLY FOR FIREARMS - Ejection assemblies, actions including such ejection assemblies, and firearms including such actions and/or ejection assemblies are provided herein. At least one ejection assembly is provided that is configured to facilitate forward ejection of spent cartridges when a forward-ejection guide cover is in place on a receiver, and to allow for side ejection of spent cartridges when the forward-ejection guide cover is out of place on the receiver. Such a configuration may allow for reliable ejection and access to the action for clearance of jams or malfunctions while providing flexibility with forward or conventional side ejection. | 02-12-2015 |
| 20150128468 | Bolt Spring Clip Assembly for a Firearm - A firearm bolt spring clip assembly is provided. The assembly includes a bolt member, an extractor and an ejector. The extractor is removably coupled to the bolt member, positioned in an extractor cavity located in the bolt member. The extractor may comprise a dove tail end, a groove, a leaf spring section and an extractor claw. The ejector is removably and slidably coupled to the bolt member, positioned in an ejector cavity located in the bolt member. One or both of the extractor and ejector are secured to the bolt member by at least one spring clip. | 05-14-2015 |
| 20150323273 | DUAL EJECTION PORT FIREARM - 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. | 11-12-2015 |
| 20150330731 | EXTRACTOR MECHANISM FOR FIREARM - An ejector mechanism for a firearm. The ejector mechanism includes a claw-type extractor disposed opposite a ledge portion that includes an inclined face, the inclined facing being oriented to face toward a bolt face to help secure a shell casing to the bolt face during the extraction process. The claw-type extractor and inclined face, while providing positive retention of the shell casing during ejection, also cooperate to enable the shell casing to be dislodged by an ejector. | 11-19-2015 |
| 20150369553 | FIREARM EJECTORS AND RECEIVERS AND FIREARMS INCLUDING SUCH FIREARM EJECTORS - Firearm ejectors and receivers and firearms including such firearm ejectors are disclosed. An example ejector for a firearm includes a body including a projection extending therefrom, the ejector to be movably coupled to a receiver of the firearm to enable the projection including an engagement surface to be disposed in a movement path of a breechblock, the engagement surface to be engaged by a cartridge casing during a recoil process to enable the cartridge casing to be ejected from the firearm; and a spring to bias the body relative to the receiver, the body to be movably relative to a longitudinal axis of the receiver upon impact with the cartridge. | 12-24-2015 |
| 20160025434 | BOLT MECHANISMS AND FIREARMS CONTAINING THE SAME - A firearm includes a bolt mechanism with a bolt configured to receive a firing pin assembly and a bolt head assembly. The bolt head assembly includes a pivoting bolt head and an extractor. The extractor is positioned relative to the bolt such that substantially all forces applied by the extractor to the bolt mechanism are reacted within the bolt head assembly. A biasing member or element can urge a claw portion of extractor towards a distal end of the bolt head. | 01-28-2016 |
| 20160033223 | Firearm With Magazine Release Lever - An AR-style firearm includes a specially designed lower receiver, a specially designed upper receiver mounted to the lower receiver, a pistol hand grip mounted to the lower receiver, a handguard mounted around a barrel, a specially designed magazine well formed in the lower receiver that is configured to receive an AK-47 magazine or similar magazine, and a specially designed, ambidextrous magazine release that holds and selectively releases the magazine from the magazine well. | 02-04-2016 |
| 20160116240 | BOLT CARRIER AND BOLT FOR GAS OPERATED FIREARMS - An improved bolt and bolt carrier with integral gas key having an extension nozzle threadedly secured and pinned to the gas key for use with a direct gas operated firearm is provided. The extension nozzle is designed to receive a portion of the host firearms gas operating system. The firing pin retaining pin is oriented so as to expose its widest profile to the firing pins annular flange, increasing its service life. The bolt has a plurality of lugs extending from its forward end and an extractor recess. The extractor recess is constructed to accommodate an enlarged extractor claw while not undercutting the bolt lugs adjacent thereto. The extractor engages approximately 57% more of a seated ammunition cartridges rim as compared to some prior art AR15/M16 type extractors used with automatic firearms chambered in 6.8SPC. The result is an improved bolt and bolt carrier which provides for increased operational reliability. | 04-28-2016 |
| 20160123710 | CARTRIDGES AND MODIFICATIONS FOR M16/AR15 RIFLE - Embodiments of the present invention relate generally to cartridges and modifications for an M16/AR15 rifle. In one embodiment, a modified M16/AR15 rifle or carbine includes a bolt having a maximum outside diameter greater than that of a standard M16/AR15 bolt; and a bolt extractor pivoted to the bolt. The bolt and the bolt extractor are operable to: transport a cartridge from a magazine to a barrel, and eject a spent cartridge from the barrel. The rifle or carbine further includes a barrel extension configured to receive the bolt; a standard M16/AR15 upper receiver coupled to the barrel extension; a standard M16/AR15 lower receiver coupled to the upper receiver. | 05-05-2016 |
| 20160178302 | SYSTEMS AND METHODS FOR RETAINING AN EXTRACTOR PIN IN A BOLT CARRIER GROUP OF A FIREARM | 06-23-2016 |
| 20160377360 | FIREARM - The invention relates to a firearm including a component carrier, a barrel having a cartridge chamber for accommodating a cartridge, and a slide that is supported on the component carrier in a longitudinally moveable manner and has a breech block for the barrel and a firing device for the cartridge. The slide bears an extractor for extracting a fired cartridge from the cartridge chamber. An ejector is supported on the slide in a longitudinally moveable manner, which ejector protrudes from the side into the extraction motion path of the cartridge and lies against a stop formed on the component carrier in the end phase of the rearward motion of the slide. The slide, together with the ejector, can be modularly replaced with a second slide having no ejector. For the second slide, said stop assumes the ejector function. | 12-29-2016 |
