| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 042059000 | REVOLVERS | 28 |
| 20090044436 | LIGHT WEIGHT FIRING CONTROL HOUSING FOR REVOLVER - A revolver with light-weight firing control housing includes a cylinder frame supporting a rotatable cylinder defining a plurality of cartridge-receiving chambers and a firing control housing made of a non-metallic material. The firing control housing attaches to the cylinder frame and supports firing control mechanism components, such as a trigger and a pivotable hammer actuated by the trigger. In one embodiment, the firing control housing may be made of a polymer and the cylinder frame may be metal. | 02-19-2009 |
| 20110072705 | Compact Foldable Firearm with Survival Tools - A compact and foldable survival tool includes a firearm including a trigger and safety lever with many unique features including a compact and folding survival tool with an easy-to-manufacture top strap, a rack and pinion hammer actuator, dual lasers for distress signaling and target and ranging sighting, reconfigurable multiple tools, contained child-safety lock system, folding trigger with safety lever, cam hammer lock, floating firing pin, and cylinder pin assembly positive cylinder lock, for example. | 03-31-2011 |
| 20110094138 | 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: spacers for adjusting a barrel-cylinder gap, for eliminating broaching of the rearward surface(s) of the barrel; a forcing cone formed in the rearward opening of the barrel for accommodating deformed projectiles; a reflective surface (e.g., mirrored surface) provided on the cone and/or barrel rearward surfaces, for reducing erosion resulting from using high velocity ammunition; gain-twist rifling in the barrel for a smoother transition to full projectile velocity; a larger diameter, hardened firing pin bushing for minimizing brass flow in the rearward direction; and a front sight assembly that minimizes lateral shift or drift of the sight pin during firing. | 04-28-2011 |
| 20130008069 | FUNCTIONAL AND AUTONOMOUS METALLIC STRUCTURE FOR FIREARMS, AND RESULTING COMPOSITE, METAL-PLASTIC REVOLVER - A functional metallic and autonomous structure for fire-arms and revolvers is described. The revolver composed of metal/plastic, has a metallic structure, which is composed of the cylinder frame, provided with a hole having an internal thread for receiving and sustaining the revolver barrel. All the components of the discharge mechanism are embedded and/or sustained in said cylinder frame, defining the metallic structure, through which the junction of said cylinder frame, of the barrel and the components of the discharge mechanism will result in a semi-finished, fully functional revolver. The revolver also comprises at least a rear cover, a plate and a polymeric piece, intended for coating/covering at least a part of the metallic structure. | 01-10-2013 |
| 20130036643 | REVOLVER WITH AMMUNITION CLIP - A revolver that has a cylinder that is capable of receiving a cylinder clip so that multiple cylinder clips can be used to quickly reload the revolver. | 02-14-2013 |
| 20130145667 | REVOLVER WITH CYLINDER SHROUD - Revolvers with cylinder shrouds include first and second shroud portions, each having a cylindrical wall portion having a length at least as great as the length of a revolver cylinder and an interior surface shaped to be closely spaced apart from an exterior surface portion of the cylinder. The first and second shroud portions each include a fastening mechanism operable to removably connect the first shroud to a revolver frame. The first and second shroud portions each include a fastening element operable to removably connect the first and second shroud portions to the frame to cover the cylinder. The first and second shroud portions may have a major cylindrical wall portion having a radius of curvature centered on axis defined by the cylinder when the first and second shroud portions are connected to the frame. | 06-13-2013 |
| 20140075811 | OPEN CHAMBER MECHANISM - Aspects described herein relate to an open chamber gun mechanism comprising a frame and a cylinder assembly that forms an open chamber positioned for rotation within the frame, said open chamber including an insert positioned within the open chamber, the insert forming an expandable region between the open chamber and cylinder. According to one embodiment, the insert is configured to deflect into the expandable region upon firing the open chamber gun mechanism. | 03-20-2014 |
| 20140082982 | Gap seal for gun - A gun or other projectile launching device includes a frame, and a barrel, including a bore therethrough, held in position by the frame. A cylinder is rotatable attached to the frame in close proximity to an inner end portion of the barrel, the cylinder having multiple chambers and configured to sequentially and longitudinally align a chamber with the bore of the barrel. A sleeve is slidingly positioned over the inner end portion of the barrel. The sleeve has a front face with a central opening therethrough, that has a size less than an inner diameter of the sleeve, but no smaller than a diameter of the bore through the barrel. The sleeve is configured to slide back, substantially in response to gas pressure, until the front face of the sleeve is forcibly maintained in contact with the cylinder to eliminate a gap between the cylinder and the barrel. | 03-27-2014 |
| 20140215879 | METHOD FOR LOADING A WEAPON IN LINE WITH THE RATE OF FIRE - A revolver cylinder is rotated at least approximately at a speed that corresponds to the normal rate of fire of a weapon. When a predetermined loading step is reached, the trigger of the weapon is controlled such that fire can be opened essentially without delay. The weapon is fired without break immediately after (with) the loading process. At the same time, the weapon is transferred, thus only directly before firing, from a secure SAFE state to the CHARGED state, whereby the safety standards of the weapon are significantly improved. The time during which the weapon is in the state of operational and firing readiness and not in the SAFE state is minimized or entirely eliminated, which considerably increases the operating safety. Extending the time in the SAFE state allows the level of testing for the weapon (for example for the trigger) to be greater, which in turn results in greater reliability of the weapon. | 08-07-2014 |
| 20150059223 | MULTI-BARREL SYSTEM AND APPARATUS - 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. | 03-05-2015 |
| 20150107145 | Revolver Louver - The present invention is revolver louver which redirects the hot propellant gases which leak from the barrel-cylinder gap away from the user. The louver provides at least one directional passages which control the flow of propulsion gases after firing the revolver. Numerous embodiments are disclosed including some having an expansion capability to further block gas passage and one embodiment which is an extension of the revolver frame itself. One embodiment further comprises an expansion groove to further block the passage of propulsion gases. As such, the present invention's general purpose is to provide a new and improved revolver that is more compact and safer for the user than a conventional revolver. | 04-23-2015 |
| 042062000 | Swinging cylinder | 6 |
| 20100192440 | FIREARM HAVING NONMETALLIC COMPONENTS AND AN AMBIDEXTROUS CYLINDER RELEASE LEVER - A polymeric revolver including a frame, a cylinder mounted in a rectangular aperture in the frame, a cylinder retaining mechanism and a cylinder releasing mechanism is provided. The cylinder retaining mechanism includes two assemblies: (1) an extractor, locking bolt and locking bolt retainer that house an extractor rod spring, and (2) a ratchet hub driver, hub drive center pin and central pin plate that house a ratchet drive spring. The two assemblies are biased toward one another forming a locking engagement of the extractor and the ratchet hub driver. The locking engagement is enhanced by a star-shaped configuration of grooves and ridges on the extractor and ratchet hub driver, respectively. The cylinder releasing mechanism includes a cylinder release lever that actuates the hub drive center pin and ratchet hub driver out of locking engagement with the extractor, and an ambidextrous thumb piece that facilitates access to the cylinder release lever. | 08-05-2010 |
| 20100192441 | FIREARM HAVING NONMETALLIC COMPONENTS AND AN EXTRACTOR YOKE LOCKUP - A polymeric revolver including a frame, a cylinder mounted in a rectangular aperture in the frame via a yoke, and a cylinder retaining mechanism is provided. The cylinder retaining mechanism includes multiple assemblies, which lock the yoke in the cylinder-closed position, including: (1) an extractor, a locking bolt and a locking bolt retainer that house an extractor rod spring and engage a ratchet hub driver, hub drive center pin and central pin plate that house a ratchet drive spring; (2) a star-shaped configuration of grooves and ridges on the extractor and the ratchet hub driver, respectively; (3) a rear taper of the locking bolt that engages a concave recess at the axial center of the rounded groove of the locking bolt recess; and (4) an annular ring that engages an inner wall of an annular opening in a breach face of the frame. | 08-05-2010 |
| 20110107640 | FIREARM HAVING NONMETALLIC COMPONENTS AND AN AMBIDEXTROUS CYLINDER RELEASE LEVER - A polymeric revolver including a frame, a cylinder mounted in a rectangular aperture in the frame, a cylinder retaining mechanism and a cylinder releasing mechanism is provided. The cylinder retaining mechanism includes two assemblies: (1) an extractor, locking bolt and locking bolt retainer that house an extractor rod spring, and (2) a ratchet hub driver, hub drive center pin and central pin plate that house a ratchet drive spring. The two assemblies are biased toward one another forming a locking engagement of the extractor and the ratchet hub driver. The locking engagement is enhanced by a star-shaped configuration of grooves and ridges on the extractor and ratchet hub driver, respectively. The cylinder releasing mechanism includes a cylinder release lever that actuates the hub drive center pin and ratchet hub driver out of locking engagement with the extractor, and an ambidextrous thumb piece that facilitates access to the cylinder release lever. | 05-12-2011 |
| 20140331536 | Yoke And Cylinder Retaining Mechanism - A revolver has a spring biased rod that extends from the cylinder, the rod having a tip that engages a portion of the frame to retain the cylinder within the aperture of the frame during firing. The rod is movable out of engagement with the frame portion to release the cylinder and allow it to pivot on a yoke for ejection of spent shells and reloading. A pin is mounted in the yoke so as to engage a recess in the frame when the cylinder is within the aperture of the frame. The pin retains the cylinder within the aperture and is spring loaded and movable out of engagement with the recess to permit the cylinder to pivot on the yoke for ejection of spent shells and reloading. | 11-13-2014 |
| 20150338177 | Revolver with Two Chambers Cylinder - Provided is a revolver with a two chambers cylinder, of the type having a low profile and with no protruding parts from the frame. The revolver includes a frame which has a grip at its rear portion, a trigger at its lower portion and a barrel at its front portion. The frame further includes a central opening that defines the cylinder housing. The cylinder has an oblong shape and has two chambers, radially opposite with respect to the rotation axis of the cylinder. The cylinder rotation before firing is obtained by means of the trigger actuation, which causes an upward movement of the cylinder impeller and the consequent rotation of the gear, due to interaction between the pinion and the teeth of the cylinder impeller. The transfer of the rotational movement of the gear to the cylinder is made from a ratchet, which is partially arranged within said cylinder. | 11-26-2015 |
| 20180023917 | Self-Captured Detent Mechanism | 01-25-2018 |
| 042065000 | Firing mechanism | 9 |
| 20090044437 | REVOLVER TRIGGER MECHANISM - A revolver with trigger mechanism for cocking a rotatable hammer. The revolver includes a frame, a barrel supported by the frame and defining a bore, at least one chamber aligned with the bore of barrel for holding a cartridge, a hammer pivotally mounted to the frame and moveable between a forward uncocked position and a rearward cocked position, and a trigger pivotally mounted to the frame. In one embodiment, the trigger includes a contoured camming surface configured and arranged to engage a protrusion extending outwards from the hammer for cocking the hammer in response to pulling the trigger. The protrusion may be a hammer dog pivotally coupled to the hammer in some embodiments. In another embodiment, the hammer may include a sear having a contoured camming surface for engaging the trigger. | 02-19-2009 |
| 20090077853 | "No-skip upon recocking revolver": after decocking, the cylinder does not advance skipping a round when recocked - In a single or double action revolver, an improvement that prevents the cylinder from advancing upon being recocked should the revolver be decocked (uncocked) without firing. During or after decocking, a pawl (hand) retainer may be automatically set or manually set by the shooter. When the retainer is set it prevents the pawl from engaging the cylinder ratchet and rotating the cylinder past a live round when recocked. The retainer may be automatically or manually reset so that the cylinder will advance when the revolver is subsequently recocked. | 03-26-2009 |
| 20110083351 | FIREARM INDEXING MECHANISM - A revolver includes a frame; a hammer rotatably coupled to the frame; a trigger mounted on the frame and movably coupled to the hammer; a cylinder rotatably mounted on the frame and having more than six chambers, each of the chambers adapted to receive a cartridge, wherein the cylinder is rotatable into discrete firing positions; and a pawl connected to the hammer for moving the cylinder between the discrete firing positions. | 04-14-2011 |
| 20140190053 | LIGHT-WEIGHT FIRING CONTROL HOUSING FOR REVOLVER - A revolver with light-weight firing control housing includes a cylinder frame supporting a rotatable cylinder defining a plurality of cartridge-receiving chambers and a firing control housing made of a non-metallic material. The firing control housing attaches to the cylinder frame and supports firing control mechanism components, such as a trigger and a pivotable hammer actuated by the trigger. In one embodiment, the firing control housing may be made of a polymer and the cylinder frame may be metal. | 07-10-2014 |
| 042066000 | Safety devices | 4 |
| 20090199450 | No-skip recocking revolver pawl retainer - A pawl retainer for a revolver operates to prevent the cylinder from advancing after decocking, thus allowing safe holstering while maintaining uncompromised fire power. The retainer may be automatically or manually “set” so that, when the gun is recocked, the cylinder does not advance, and, after firing or a misfire, the cylinder advances normally. A cocked revolver can discharge accidentally. This is because Andrew Fyrberg's 1891 safety transfer bar invention cannot function to prevent an accidental discharge while a revolver is cocked. Nonetheless, shooters in pursuit, for example, are tempted to holster a cocked revolver to avoid skipping a live round that may be needed for the kill. | 08-13-2009 |
| 20100170129 | FIREARM HAVING NONMETALLIC COMPONENTS - A firearm comprising a frame, a barrel with a firing axis connected to the frame, a cylinder pivotally attached to the frame and positioned within an opening in the frame and having a plurality of firing chambers sized to receive a cartridge, and a firing mechanism including a trigger attached to the frame to actuate the firing mechanism, wherein the frame is substantially nonmetallic and includes at least one metal insert having a polymer over-molding. A cylinder retaining mechanism selectively retains the cylinder in a first position within a window in the frame and comprises a biasing pin operatively attached to a yoke and which is oriented in a direction substantially transverse to the bore axis when the cylinder is in the first position. | 07-08-2010 |
| 20140047752 | Concealable Revolver - The present invention is a spring-actuated, concealable revolver utilizing a flattened cylinder shape and a unique off-chamber placement of the cylinder when in a stowed safe mode. An extendable grip tag may also be employed to provide a further reduced profile. Various grip styles, unloading mechanisms and advancing actions may be employed with the revolver. Single and double action embodiments are disclosed. | 02-20-2014 |
| 20150047243 | Ratcheting Mechanism for a Revolver - A firearm utilizing a ratcheting system to rotate a cylinder containing ammunition is disclosed. The ratchet system is designed to accommodate the cylinder being in an initial safe (without a chamber centered over the barrel and hammer) and subsequent active positions. A ratchet arm protrudes through the breach plate and is supported thereon as it pushes ratchet pads on the cylinder from a starting point in either position to the next active position. Numerous designs for the ratchet pads and the ratchet arm are disclosed, as is a stepped drawbar to accommodate the workings of the firearm and a locking bar that interfaces with both the hammer and locking notches in the circumference of the cylinder so as to release and secure the cylinder in appropriate positions. | 02-19-2015 |
| 042067000 | Cylinder stops | 1 |
| 20140026458 | Firing Pin Blocking Safety - A safety for a firearm includes a blocking member that has a relieved portion adjacent to a relieved portion of a firing pin of the firearm. The blocking member is movable between a safe position wherein the relieved portions are not in registration and a fire position wherein the relieved portions are in registration. The blocking member moves from the safe to the fire position in response to a pull of the firearm's trigger. Movement of the blocking member is rotational in response to a pawl as would also be used to rotate the cylinder of a revolver. | 01-30-2014 |
| 042068000 | Shell extractors | 2 |
| 20140059912 | Rimless Cartridge Extractor Assembly And Method Of Use - A rimless cartridge cylinder assembly is used for adapting revolvers which typically require the use of rimmed cartridges to accept rimless cartridges. The assembly includes an extractor mechanism having an extractor rod extending axially through a center passage provided in a cylinder having chambers adapted to receive cartridges. The extractor mechanism has an axially extendable extractor head assembly disposed at a cartridge loading end of the cylinder. The head assembly includes a plurality of spring biased projections housed therein which extend radially into engagement with corresponding grooves in rimless cartridges as they are loaded into each chamber. After discharge, rearward displacement of the head assembly allows the engaged projections to remove the spent cartridges from each chamber. Utilizing the rimless cartridge cylinder assembly, rimless cartridges typically used only with automatic hand guns can be loaded and fired in a revolver with long term reliably. | 03-06-2014 |
| 20160084604 | Dummy Cylinder for a Revolver - A dummy cylinder for a revolver that permits dry fire practice but does not permit the insertion of live ammunition. | 03-24-2016 |
