Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8132350 | Hammer spring assembly for a firearm A hammer spring assembly comprises a spring and a member operatively coupling the spring and a hammer of a firearm when the hammer spring assembly is connected to a firearm. The hammer is biased by the spring to rotate forward toward a cartridge or firing pin. The s... | 03/13/2012 |
| 8112928 | Trigger-controlled select fire for M-16 rifle A trigger system for a firearm has an enclosure having a bottom surface, a trigger pivoted at a first pivot axis within the enclosure, a firing hammer pivoted at a second pivot axis within the enclosure, the firing hammer spring-loaded to rotate clockwise to fire, t... | 02/14/2012 |
| 8099895 | Kinetic firearm trigger A trigger mechanism having a sear block engaging a striker of a firearm, a pivot drop piece supporting the sear block in an over center configuration, a toggle sear supporting the pivot drop piece and engaging a finger piece via a set of sear surfaces, the toggle se... | 01/24/2012 |
| 8074393 | Adjustable dual stage trigger mechanism for semi-automatic weapons A dual stage trigger assembly for a firearm. The trigger assembly comprises a spring loaded lightweight hammer, a spring loaded trigger, a spring loaded disconnector, a spring follower for the disconnector spring and two adjustment screws that allow the user the abi... | 12/13/2011 |
| 8069602 | Adjustable dual stage trigger mechanism for semi-automatic weapons A dual stage trigger assembly for a firearm. The trigger assembly comprises a spring loaded lightweight hammer, a spring loaded trigger, a spring loaded disconnector, a spring follower for the disconnector spring and two adjustment screws that allow the user the abi... | 12/06/2011 |
| 7992335 | Modular insertion trigger method and apparatus A trigger assembly comprising a housing adapted to mount a trigger, hammer and sear therein. The housing has an adjustment feature adapted to fixedly mount the housing within the trigger chamber portion of the firearm. The trigger assembly is particularly conducive ... | 08/09/2011 |
| 7930848 | Modular fire control assembly for a handgun Apparatus for a modular fire control assembly for a firearm. The modular fire control assembly integrates a hammer, a sear, a disconnector, and sear and disconnector springs in a single housing. The force applied by the sear spring is adjustable by a set screw, whic... | 04/26/2011 |
| 7698845 | Double action model 1911 pistol A model 1911 semi automatic pistol having a receiver, a barrel, a breach slide and a firing mechanism. The barrel is coupled to the receiver. The breach slide coupled to the receiver. The firing mechanism is coupled to the receiver. The firing mechanism is adapted f... | 04/20/2010 |
| 7600338 | Multi-stage trigger for automatic weapons A two-stage trigger assembly for the M16 or AR15 weapon systems. The trigger assembly comprises a spring loaded hammer, trigger and disconnector. Calibrated springs are provided to facilitate the adjustment of the second stage trigger pull weight. No set screws adju... | 10/13/2009 |
| 7562479 | Set trigger for a firearm A set trigger assembly that enables a user of a firearm with a trigger, return spring plunger, and a return spring plunger spring to modify the trigger mechanism on-demand to reduce the trigger pressure required to fire the firearm by enabling the user to retract th... | 07/21/2009 |
| 7526889 | Trigger mechanism for handguns The invention pertains to a trigger mechanism for handguns, particularly pistols, with a striking lever (2), a first striking spring (3) that is assigned to the striking lever (2) and serves for acting upon the striking lever (2) in the f... | 05/05/2009 |
| 7421937 | Modular insertion trigger method and apparatus A trigger assembly comprising a housing adapted to mount a trigger, hammer and sear therein. The housing has an adjustment feature adapted to fixedly mount the housing within the trigger chamber portion of the firearm. The trigger assembly is particularly conducive ... | 09/09/2008 |
| 7353742 | Double action firing pin system A firing pin system for a firearm, including a breech block, a firing pin slidably disposed in the breech block and a single firing pin coil spring adapted to both urge the firing pin toward a cartridge in a barrel of the firearm when the firearm is fired and, subse... | 04/08/2008 |
| 7347022 | Gun and method for assembling a gun A gun comprises a frame and a framework on which at least some components of a firing mechanism are mounted. The framework is inserted into a cross cavity of the frame and means for locking the framework within the frame are provided. The framework holds the whole f... | 03/25/2008 |
| 7331136 | Adjustable dual stage trigger mechanism for semi-automatic weapons A dual stage trigger assembly for a firearm. The trigger assembly comprises a spring loaded lightweight hammer, a spring loaded trigger, a spring loaded disconnector, a spring follower for the disconnector spring and two adjustment screws that allow the user the abi... | 02/19/2008 |
| 7322143 | Semiautomatic handgun A semiautomatic handgun has a frame, a barrel mounted on the frame and having a chamber for receiving a cartridge, a slide mounted on the frame and over the barrel and longitudinally movable relative to the frame and the barrel, a firing mechanism for striking the c... | 01/29/2008 |
| 7293385 | Modular trigger group for firearms and firearm having a modular trigger group A module housing is adapted to be inserted into an operating position in the trigger group receiving area of a firearm. The module housing includes at least one pin receiver defined by two openings formed in the module housing, one on each lateral side of the housin... | 11/13/2007 |
| 7263796 | Trigger system for hand firearms The invention relates to a trigger system for hand firearms with a hammer, a catch allocated to the hammer, a trigger, and a trigger arm interacting with this trigger, wherein the hammer has a first stop for holding the hammer in a completely cocked position and the... | 09/04/2007 |
| 7257918 | Double action, hammer trigger mechanism for a firearm Double action, hammer trigger mechanism for a semi-automatic firearm (10) with a spring loaded slide (12) having a cam surface (28), a pivoting sear (46) to hold the hammer (20) in a cocked position and a transfer bar (26) c... | 08/21/2007 |
| 7243452 | Small arm firing mechanism The invention pertains to a firing mechanism for a small arm, particularly a rifle, with a trigger (2) that can be pivoted about a trigger axis (12), with a trigger rod (4) that is displaceably arranged within a housing (1) and serves for... | 07/17/2007 |
| 7213359 | Additional safety device for sear mechanism for firearms A sear mechanism for firearms comprises a sear box 12, and an additional safety device to prevent the hammer 16 from releasing accidentally and to fire under the action of inertial forces acting along the direction of the axis of the barrel in case of ... | 05/08/2007 |
| 7213358 | Trigger system for small arms The invention relates to a trigger system for small arms, said system including a hammer, a catch associated with the hammer, a trigger, and a trigger bar which cooperates with the trigger and has a first locking edge for engaging with a first fire locking element o... | 05/08/2007 |
| 7207130 | Over-and-under shotgun apparatus and method An over-and-under shotgun apparatus includes a radius track which serves as a hinge for articulating the barrel portion of the shotgun apparatus relative to the receiver/stock portion of the shotgun apparatus. The radius track is defined by a female or concave porti... | 04/24/2007 |
| 7204051 | Safety for a hand firearm A safety for a hand firearm with a firing lever, a firing pin, a safety element allocated to the firing pin, a trigger rod that can be activated by a trigger, and a transmission element, which is coupled to the trigger rod and through which the safety element can be... | 04/17/2007 |
| 7188561 | Adjustable firearm trigger mechanism and method of adjustment The adjustable firearm trigger mechanism and method of adjustment includes a firing pin block bar, a pivotally trigger shoe, and a link mechanism interconnecting the trigger shoe and the firing pin block bar. The link mechanism includes a sear bar coupled to the tri... | 03/13/2007 |
| 7181880 | Roller sear/hammer interface for firearms A roller sear/hammer interface for a firearm. The sear has a roller rotatably mounted between two side plates forming a portion of the sear body. As the trigger is moved, a linkage connecting the trigger and sear causes the sear to pivot rearward such that the rolle... | 02/27/2007 |
| 7165352 | Rifle with trigger pull weight adjustment A trigger pull weight adjustment element for a firearm having a frame and a trigger spring. The adjustment element has a body with a connection element adapted to connect the body to the frame. The body has a number of spring engaging features each adapted to engage... | 01/23/2007 |
| 7162824 | Modular trigger group for firearms and trigger group installation method A module housing is adapted to be inserted into an operating position in the trigger group receiving area of a firearm. The module housing includes at least one pin receiver defined by two openings formed in the module housing, one on each lateral side of the housin... | 01/16/2007 |
| 7150121 | One-piece trigger for lever action rifle with exposed hammer The present invention comprises a new and improved one-piece trigger for a lever action rifle which eliminates trigger flop found on two piece factory triggers. The trigger allows the sear to slip up and past the half and full cock notches on the hammer via an ellip... | 12/19/2006 |
| 7140138 | Firearm hammer with adjustable spur A firearm hammer has a hammer body with a hammer pivot axis for attachment to a firearm frame. A spur is connected to the hammer body, and the spur is movable among a number of positions with respect to the hammer body. The spur may be attached in a standard positio... | 11/28/2006 |
| 7117623 | Frame construction for with removable side plate Frame construction for a firearm (10) with a frame (18) and a slide (12) constrained to move longitudinally between a forward and a rearward position but which is also removable from the frame. A recess (39) in the side of the frame conta... | 10/10/2006 |
| 7086191 | Trigger assembly A trigger assembly comprises a trigger frame having a body with a cavity therein, a handle connected to the body, a trigger guard on the body defining a space with which a portion of the cavity is in communication, a connection member on the body, a slot member on t... | 08/08/2006 |
| 7076902 | Firing system for a firearm An improved action for a muzzleloading firearm which allows loading an ignition system from above, and completely releasing the action from below. The system covers the ignition system during firing to shield the user and the line of sight. The action may be removed... | 07/18/2006 |
| 7076906 | Electronic grip-frame for a paintball marker 20 A grip frame 21 replaces an existing grip frame 1 on a paintball marker in order to convert said paintball marker from a mechanically operated paintball marker into an electro-pneumatic paintball marker. The electronic grip frame 21 ut... | 07/18/2006 |
| 7069922 | Paintball marker internal reset system An internal reset system for paint ball markers. A hammer body as modified rearwardly to include an axial opening to receivably retain the forward head of a reset rod. The forward portion of the reset rod is thus free to reciprocate within the axial opening, but res... | 07/04/2006 |
| 7051467 | Gun trigger The present invention relates to a gun trigger for use with a bolt-action gun. The trigger of the present invention has a finger element with an extension and a catch. The catch has a front strap and a rear strap. One or more openings are between the front and rear ... | 05/30/2006 |
| 7051638 | Trigger mechanism for small firearms A trigger mechanism for small firearms with a striking hammer, a trigger, and a trigger rail, which interacts with the trigger and which can be moved by a control element from an engagement position for cocking the striking hammer into a release position for releasi... | 05/30/2006 |
| 7032340 | Breech construction for firearms In an autoloading gun construction having the breach end of a barrel removably assembled to the forward end of a barrel extension which is positioned between and secured to wall sections of two opposing receiver plates of a receiver section, the improvement comprisi... | 04/25/2006 |
| 7010879 | Trigger assemblies for grenade launcher attachments to gas-operated rifles Grenade launchers for attachment to gas-operated service rifles and carbines such as the M16 and M4 are improved by providing them with a trigger assembly that enables the shooter to deliver repeated hammer strikes to the primer of the loaded grenade without having ... | 03/14/2006 |
| 7010878 | Trigger system and method of installing same A trigger system for an automatic handgun includes a trigger bar sized to be installed in an interior space behind a trigger by movement from the magazine well. The trigger bar is first inserted into the inlet opening of the magazine well and into the interior space... | 03/14/2006 |
