Abstract: A frame of a pistol includes a handgrip portion, an upper frame portion, and a trigger guard. The handgrip portion defines a magazine well for accommodating a magazine. The upper frame portion is connected to the handgrip portion, and includes a barrel-receiving section having a bottom wall, two sidewalls extending upwardly and respectively from two opposite ends of the bottom wall, two through slots respectively formed in the sidewalls, a compression spring retaining groove formed in the bottom wall, and a spring plate retaining groove extending forwardly from the compression spring retaining groove. The trigger guard is connected to and is disposed between the handgrip portion and the upper frame portion.

Abstract: A system for keyless locking of a firearm against discharge is provided, which includes a casing configured for removable insert into a barrel of the firearm, and an extension rod disposed in longitudinally displaceable manner therein. The extension rod is provided with first and second ends and an intermediate portion extending longitudinally therebetween. A locking component supported by the casing is displaceable responsive to the extension rod between locked and unlocked positions. A powered driver coupled to the extension rod for selectively drives the displacement thereof responsive to user activation. The locking component in the locked position protrudes transversely beyond the casing for retentively engaging an inner surface of the firearm to prevent removal of the casing from its barrel, and in the unlocked position is retracted to maintain clearance from the inner surface of the firearm to permit removal of the casing from the barrel of the firearm.

Abstract: A quick release pin is used in a firearm to secure a barrel assembly to a frame and a recoil assembly within a slide. The cylindrical body of the pin functions similarly to traditional takedown pins and pivot pins used with firearms while the lever arm has unique features that are an improvement over traditional takedown pins. The arm has a locking lip at its proximate end, a detent at its distal end, and a cut-out center section which is thinner than the distal end and proximal end. The cut-out center section creates a space between the arm and the firearm's side when the arm is in its locked configuration which provides side edges for a user to grasp the edges of the arm between a finger and thumb while the thicker distal end of the arm is in flush contact with the side of the firearm.

Abstract: A strut tool including a hook portion for engaging an upper receiver assembly and a pivoting portion for engaging the takedown pin of a lower receiver assembly of a firearm that acts as a removable strut for holding the upper and lower receiver assemblies in a relatively aligned open angular position providing access to the inner bores and mechanisms of the firearm. The pivoting portion includes a bore accommodating the placement of the takedown pin in conjunction with the lower receiver assembly providing a pivotal connection permitting the angular alignment of the upper and lower receiver assemblies in an open and fixed position. The hook portion includes a takedown block engagement region that provides a means to accommodate the insertion and engagement of the takedown block present on the upper receiver assembly for the purpose of reversibly positioning and holding the strut tool in said relatively aligned position with respect to the lower receiver assembly.

Abstract: An arm (1) comprises a main body (5), a tilting barrel group (2) fitted to the main body (5) and a locking device (10). The locking device (10) is acting between the main body (5) and the barrel group (2) and manually operable between a locked position, in which the tilting of the barrel group (2) is prevented, and a release position, in which the barrel group (2) is released from said body (5). Said locking device (10) comprises at least one sliding bolt (20) or plug, partially housed in the main body (5) so that, in the locked position, a portion thereof engages the barrel group (2). The device is further comprising a safety catch element (100), acting between the barrel group (2) and the main body (5), which acts in conjunction with the bolt (20) to maintain the locked position.

Abstract: A closure for break-action firearms which includes a barrel assembly which is hinged to a break-action assembly so as to form a closed position and an open position of the firearm; the barrel assembly has a breech end which is opposite with respect to a breech face of the break-action assembly when the firearm is in the closed position. The structure is characterized in that it includes a plate which is associated with the break-action assembly and is interposed between the breech end of the barrel assembly and the breech face of the break-action assembly in the closed position, in which the plate closes the breech end by virtue of a means for the temporary locking of the plate on the barrel assembly.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, identifying a consumer account managed by a service provider to which purchases are chargeable, the identification of the account based on transactional information, enabling customer equipment to request a purchase of an electronically-purchasable item of a vendor via network equipment of the service provider, wherein the vendor is a party other than the service provider, charging the consumer account a fee for a purchase initiated by the customer equipment, and remitting a portion of the fee to an account of the vendor. Other embodiments are disclosed.

Abstract: An opening and closing device, associated with the rolling block and receiver of a hunting or sports gun, comprises a key that is hinged by a tube to the upper part of the rolling block, and a bolt that is actuated by a shaped end of the key and is slidably mounted on the rolling block in such a way that it can be moved from a retracted, open position in which the bolt is entirely inside the rolling block, and an advanced, closed position in which the bolt protrudes from the front of the rolling block with two arms designed to lock by friction two matching mortises made in the receiver; the arms extend from the ends of a shoulder of the bolt and the shaped end of the key has a first cam designed to exert a pushing action to the central portion of the shoulder in order to disengage the arms from the mortises.

Abstract: A hold adjustment device between fore-end iron and action body in a break-open firearm comprising at least one barrel (13) mobile by rotation about a fixed hinging point (15) arranged on an action body (14) between an aligned closed position and a disengaged position rotated open with respect to the action body (14), a tenon (18) fixed at the bottom to the at least one barrel (13) for hooking with a fore-end iron (16), comprising a block (21), or cursor, axially mobile with respect to the fore-end iron (16) and suitable for interfering with the tenon (18), an adjustment pin (26) carrying on its stem-shaped portion (27) a plurality of ring-shaped springs (28), as well as a rear axial binding (30), in which the elastic adjustment device of the fore-end iron-action body hold (20) is suitable for giving a suitable hold and/or the recovery of the loss of hold due to the wear of the fore-end iron-action body coupling.

Abstract: A device that can be used to treat appendage ailments is provided. The device, or appendage sleeve, can be used for wounds, cuts, and blisters, as well as joint related ailments, such as arthritis and carpal tunnel syndrome. In some instances, the appendage sleeve can at least partially made from an elastomeric material, such as an elastomeric nonwoven, so that the sleeve can more aptly fit onto a finger or toe. Furthermore, the sleeve can also possess a barrier that is liquid impermeable, but vapor permeable so that the finger or toe of a user is more comfortable. Various additives can be applied to the sleeve to aid for therapeutic purposes.

Abstract: A break-action firearm with a breech housing, a barrel section that can pivot about a hinge bearing on the breech housing, and a removable fore-end, which contains on its front end a locking mechanism and on its rear end a bearing section for pivoting connection to the breech housing. This provides an easy-to-manufacture fore-end of the break-action firearm with minimal overall height, such that the hinge bearing grasps hinge pin, which project laterally inwards from the breech housing and which engage in lateral recesses on opposing side surfaces of a fastener section of the barrel section. In addition, the bearing section has bolts, which project inwards with at least one lateral contact surface and which lead to contact on corresponding abutment surfaces on the two side surfaces of the fastener section.

Abstract: A barrel catch mechanism particularly suited to small hinged barrel handguns. A transversely slidable locking piece engages a barrel lug. The locking piece has a stud which engages an aperture in the lug. Locking and unlocking is controlled by a spring loaded actuator extending through the frame.

Abstract: A bracket for securing the barrel of a flare launcher to the body of the flare launcher.

Abstract: A locking mechanism for a firearm which includes a rod which is threaded at both ends and extends into the bore of a barrel of a firearm and into the firing chamber. At its proximate end, the rod engages a nut which expands the fingers of a collet that engages the chamber interior wall. At the distal end of the rod a lock is engaged. As the rod is rotated about its longitudinal axis, the fingers are expanded to engage the chamber wall.

Abstract: A barrel balancing device for collapsible firearms (20) wherein at least one barrel (9) which is mobile for rotation about a fixed hinging point (7) arranged on a action body (6) is foreseen, wherein an open-close top lever (13) is foreseen between a closed aligned position of the at least one barrel (9) and the action body (6), and a position disengaged and rotated upon opening of said at least one barrel (9) with respect to said action body (6), the at least one barrel (9) being carried by an iron fore-end (8), wherein at least one elastic or viscoelastic group (21, 22, 23, 24, 25, 26) is foreseen which interacts between the iron fore-end and the action body to oppose the falling motion of the at least one barrel (9), once the open-close top lever (13) is unlocked, and to realise a balancing push with respect to the weight of the at least one barrel (9) when the collapsible firearm (20) is closed.

Abstract: A bracket for securing the barrel of a flare launcher to the body of the flare launcher.

Abstract: A bracket for securing the barrel of a flare launcher to the body of the flare launcher.

Abstract: Binary and ternary electrocatalysts are provided for oxidizing alcohol in a fuel cell. The binary electrocatalyst includes 1) a substrate selected from the group consisting of NiWO4 or CoWO4 or a combination thereof, and 2) Group VIII noble metal catalyst supported on the substrate. The ternary electrocatalyst includes 1) a substrate as described above, and 2) a catalyst comprising Group VIII noble metal, and ruthenium oxide or molybdenum oxide or a combination thereof, said catalyst being supported on said substrate.

Abstract: A tensioning device used for achieving mass-production interchangeability of the barrels for a shotgun with articulated barrels is positioned between the barrels and the breech of the gun and comprises a rod-shaped element constituted by a fixed portion and a movable portion guided for moving on the fixed portion and subject to the action of a powerful spring which urges it against a tenon. Means are provided for adjustably engaging the rod-shaped element on the tenon.

Abstract: A hammer design for use on various firearms, including specifically muzzle-loading firearms, that is easier to engage, quicker to engage, safer to engage and easily adaptable to handle accessories. The present invention discloses a muzzle loading firearm which includes a stock, a barrel fastened to said stock, a pivot mounted to said stock, a trigger and a hammer mechanism comprising of a hammer head and a lever arm both secured to the pivot.

Abstract: A firearm having a trigger which is pivoted to the frame, a hammer which is pivoted to the frame and biased in a forward position, a barrel which is pivotally mounted on the frame so that the breech end of the barrel can be moved between a closed position and an open position. A latch is operatively connected to the hammer and to the trigger for positioning the trigger in its cocked position when the hammer is in its cocked position and for releasably maintaining the hammer in its cocked position, and for releasing the hammer to its firing position upon manual actuation of the trigger. A first locking means is operatively connected to the barrel for preventing the barrel from moving to its open position when the hammer is in its cocked position. A second locking means is operatively connected to the barrel and to the hammer for preventing the hammer from moving to its cocked position when the barrel is in its open position.

Abstract: Disclosed is a barrel lock to be removably inserted and reliably locked within the barrel of a hand gun to prevent the accidental and unauthorized firing of the hand gun without requiring any manufacturing changes to the gun. The barrel lock includes an expandable chamber lock that is located at the distal end of a barrel lock tube. The barrel lock tube is adapted to slide inwardly through the gun barrel to locate the chamber lock to be received in and retained at the existing bullet chamber of the gun barrel, whereby the hand gun is disabled. A combination lock cooperates with the proximal end of the barrel lock tube to prevent the barrel lock tube from being withdrawn from the gun barrel and the chamber lock from being removed from the bullet chamber until a particular predetermined combination has first been successfully dialed in.

Abstract: The present invention pertains to a device for coupling the trigger mechanism in the bascule (10) of guns, which comprises a kinematic mechanism (26, 27, 31) which extends between the locking sliding safety catch (19) of the trigger guard to move the locking bolt of the trigger guard (19) into a backward position for releasing the trigger mechanism followed by a consecutive movement of the sliding safety catch (15) from an intermediate firing position (A) to a forward release position (B) and of the closing top lever (18) into a position for unlocking the barrels.

Abstract: A barrel retaining device for an automatic pistol has a locking element that locks the pistol barrel and breech both of which are guided on the stock of the weapon. In order to remove the breech with the barrel from the stock in order to disassemble the pistol, the locking element has an actuating element on both sides of the stock which, when depressed, unlocks a lock between the barrel and the stock. At the same time, depressing of the actuation element releases the trigger finger into a forward position to impart a forward movement to a spring loaded trigger arm which is also cammed downwardly to disengage the trigger arm and the driver on the firing pin in the breech. The connections between the breech and the stock are thus released by a single unlocking movement when disassembling a pistol.

Abstract: A break open sporting firearm with one to four barrels that lock up in line directly behind the chambers for strength and rigidity.The load from firing is taken up by two or more circularly spaced lugs in the breech engaging with mating lugs on the frame.A rotating breech plate slider and hinge within the breech are the functioning means for this invention.

Abstract: A locking assembly for a firearm, such as a semiautomatic or fully automatic pistol, includes a support member with an action locking arm and an action locking lug extending from a first end of the support member and a retainer arm extending from a second end of the support member. The action locking lug and arm are received in the firing chamber of a pistol, while the muzzle end of the pistol is rested on the retainer arm. A recoil spring in the pistol generates a pincer action between the action locking arm and the retainer arm to securely maintain the pistol in the locking assembly, preventing withdrawal with the normal upward movement. The action locking arm and lug positively prevent operation of the pistol trigger and prevent accidental chambering of an ammunition round. The pistol may be deployed with one downward thrust on the pistol grip, compressing the recoil spring and providing clearance for removal of the action locking arm and lug.

Abstract: A break open firearm having an automatic safety system that can be easily converted to a manual safety, combined with a safety barrel selector mechanism that can also be locked in the fire position to always fire a preselected barrel first.

Abstract: An improved gun design is disclosed which includes a highly effective and accurate hammer rebounding mechanism and a safe and efficient locking mechanism for securing the barrel of a breech load gun to the frame. Particularly, the rebounding mechanism encompasses a torsion spring device which controls the hammer of the pistol to effectuate an automatic hammer rebound after firing. There is also included a procedure to assure proper rotation of the hammer and a procedure to maintain the hammer in its rebounded position when the gun is at rest. The locking mechanism of the present invention increases the ease and speed with which the barrel can be moved into a loading position. Another feature of this locking lever is that if excessive force is applied to the locking lever in an attempt to unlock the barrel from the frame, an accidental discharge from a fully cocked hammer will be prevented.

Abstract: A one-shot weapon includes an external grip, a profiled receiver attached to the grip, and a supporting base hingedly attached to the receiver. A sleeve is connected to the supporting base, and a barrel is disposed in the sleeve. A firing block has a cube-shaped head mounted on a top part of the receiver and abutting against a vertical wall of the receiver. The firing block is interchangeable on the receiver and allows for annular or central firing. A trigger connected to the receiver is operable by a trigger tang. A barrel release connected to the receiver defines a trigger guard for protecting the trigger tang. The receiver has an adjusting mechanism for enabling adjustment of a trigger stroke. A safety mechanism is pivotably attached to the receiver.

Abstract: A gun includes a frame and a pivoting barrel assembly which is releasably latched in a firing position by a pair of flexible and resilient latches on the barrel assembly which engage shoulders on the frame. A trigger is slidably mounted on the frame for movement between a rest position and a firing position. A projectile loader is mounted on the frame at the breech end of the barrel assembly for movement between a loading position and a firing position. The loader is provided with an opening which is aligned with a magazine in the frame when the loader is in the loading position and is aligned with the bore of the barrel assembly when the loader is in the firing position. A camming ramp on the trigger is engageable with the loader for moving the loader between the loading and firing positions as the trigger moves between the rest and firing positions.

Abstract: The fixation of the barrel housing to the breech housing in a break-open gun is controlled by a top lever breechblock, the bottom of which carries, in a groove, countersunk, a connecting member with an eccentric tenon in a displaceable fashion, the tenon being insertable in one of two bores in a control part, and the control part driving the breechblock wedge or wedges, wherein at least one spring between the control part and the breechblock wedge absorbs, when the control wedge is not worn, a distance increment so that the breechblock lever during locking can always go back into a central position. The gun can readily be refitted from a right-hand shooter to a left-hand shooter: the connecting member is rotated by 180.degree. and inserted in the opposite bore, the spring stop is likewise turned, and the breech spring is exchanged with the pressure bolt and the stop bolt.

Abstract: A single shot handgun of the type having a frame, a receiver, a firing chamber in the receiver, a firing pin, a hammer for driving the firing pin, a barrel connected to the receiver being pivotally attached to the frame so that the barrel and receiver can be pivoted from a battery position to an open position. A mechanism for locking the receiver in the battery position comprises a longitudinal slot cut into the rearward end of the receiver. A longitudinal, second slot is cut into the face of the frame that abuts the rearward end of the receiver when the receiver is in the battery position. A longitudinal lug is received in the second slot, with the lug being slidable into a forward position wherein it makes engagement with the slot in the receiver to lock the receiver in its battery position. Finger engagements are provided at the ends of the lug for withdrawing the lug from engagement with the slot in the receiver to allow the receiver to pivot to its open position.

Abstract: The trap gun stock has a projection which mates snugly with a complementary-shaped depression in the rear end of the receiver and is secured therein by a spring-loaded stock bolt which extends through the stock and screws into a stud on the receiver. A latch on the fore-end iron engages a barrel lug to releasably secure the barrel to the fore-end iron. An adjustment shoe at the edge of a latch-hole in the fore-end iron engages the barrel lug to ensure precise barrel positioning. A plastic, resilient, low-friction, heat-resistant stabilizing insert fixed to the fore-end wood engages the barrel to facilitate fitting the barrel in non-contacting relationship in a groove in the fore-end wood handgrip. An extractor/ejector mechanism on the barrel and on the fore-end iron operates when the gun is opened to partially extend an unfired shell or to fully eject an empty shell casing. The fire control mechanism is cocked by opening the gun after the action has been unlocked.

Abstract: A breech load pistol and conversion kit which may be adapted to the frame of a semi-automatic pistol, such as a Government 0.45 pistol. The present invention may provide a modified slide which is slidably mounted to the pistol frame and is adapted to include a pivotable barrel assembly mounted thereto. The barrel preferably is suitable for target pistol accuracy. The barrel assembly may be pivoted exposing the breech end for single shot loading for target shooting applications. The conventional semi-automatic pistol magazine or clip may be replaced with a modified clip acting as a breech release actuator having a lever mechanism which is operable to release a latch holding the barrel assembly in engagement with the slide. The present invention also provides a pistol with a gas relief port. The present invention further provides a rim ejector for ejecting spent cartridges using a camming action occurring during pivoting of the barrel assembly to a loading position.

Abstract: A gun is provided with a pivoting barrel and a cocking and retaining lever which cocks the hammer and retains the barrel in the firing position. When the lever moves to the unlocking position, the barrel is released and the hammer is cocked. When the barrel is loaded, the barrel is pivoted back to the firing position and the lever is moved to the position to retain the barrel.

Abstract: A firearm has a barrel which is pivotal upwardly and forwardly relative to frame to render a rear of the barrel accessible. A latch mechanism latches the barrel in a closed position and is operable to release the barrel to allow pivoting. The firearm has a trigger which is displaceable from a rest position, rearwardly to actuate a firing mechanism, and forwardly. The trigger has a release formation arranged, when the trigger is displaced forwardly, to engage and operate the latch mechanism to release the barrel.

Abstract: An interchangeable trigger device comprising a standard trigger plate, allowing indifferently the mounting of a single selective trigger or of separate triggers. The plate comprises a flat base which can be fitted by pivoting into the opening of the receiver tang and a boss (1c) with a front lug (1d) to co-operate with the rear part of a double-acting sliding bolt (22), the front of which (22a) co-operates with the breech (23) when closing the gun; a top lever (14) actuating the sliding bolt (22) through an eccentric, for sliding it longitudinally according to three positions, a pivoting lever (24) with front stepped notches, and a double-acting elastic return means co-operating with the front nose of the bolt (22) for maintaining it in these positions.

Abstract: A safety mechanism for guns having an openable breech. Guns of this type have a manual lever for operating the breech locking mechanism. The invention provides a linkage between this lever and a trigger block member which prevents trigger actuation. As a result, the gun cannot be fired unless the breech is in a fully closed and locked position.

Abstract: A barrel locking mechanism for a break-open-action gun having a barrel and a mechanical section rotatably engaged with each other by a hinge-pin. It has a lug secured to the barrel and having a delining surface. While a stationary receiver is integrally mounted on the mechanical section. On the top of it, a movable receiver having a delining surface corresponding to that of the lug is vertically movably mounted through a spring. When the gun is locked, the lug moves downwards depressing the movable receiver against the spring. As a result, intimate contact of the corresponding surfaces is obtained in order to receive the load when the gun is discharged.

Abstract: An improved trigger guard for a pistol having trigger guard actuated means has an upwardly and rearwardly extending, elongated lever member which facilitates manual actuation of the trigger guard for opening the breech and setting the trigger mechanism and safety.

Abstract: A gun comprising a stock having a lock housing and a barrel pivotable relative to the lock housing and having a forked member provided with guide grooves engaged by guide ribs on a locking block so that as the gun is opened the grooves slide up the ribs and the block pivots on the lock housing.

Abstract: In a handgun having a spring biased breech locking mechanism and pistol grip handle, a breech release device mounted at the butt of the pistol grip handle to provide breech release access without disturbing the grip of the shooter's hand grasp. The device includes a base member which is fixed within the handle to the handgun receiver. Linkage means are attached at the remote end of said base member to permit coupling thereto of a lever means located at the butt of the handle. A connecting rod extends from a remote end of the lever means and engages the breech locking mechanism of the handgun. Contact between the connecting rod end and breech locking mechanism is maintained by the spring biasing force applied to the breech locking mechanism. By displacing the lever means, the connecting rod is extended and disengages the spring biased breech locking mechanism.

Abstract: Over-and-under firearms of the break-open type have an upper barrel and a lower barrel secured together and pivotally mounted on the frame of the firearm. A top lever is rotatably mounted on the frame for retaining the barrels at their closed position when the top lever is at its barrel locking position and for releasing the barrels for rotation to their open position when the top lever is rotated to its barrel unlocking position. Upper and lower firing pins and springs are mounted for longitudinal movement on the frame, and upper and lower hammers and springs pivotally mounted on the frame. The spring loaded hammers press the firing pins forwardly when the hammers are at their forward or fired position so that the forward ends of the firing pins extend into the rearward ends of the upper and lower barrels.

Abstract: A break-open type firearm having a frame, one or more barrels pivotally mounted on the frame, a barrel lock bolt for releasably locking the barrel at its closed position and a top lever for moving the barrel lock bolt from its barrel locking position to its barrel unlocking position is provided with novel means for retaining the top lever in the lever receiving opening of the frame. The top lever has a vertically elongated lock bolt operating crank that is rotatably received in the lever receiving opening of the frame, the operating crank having a spring strut receiving notch formed therein. The frame has a lever retaining shelf located in the lever receiving opening of the frame and a spring strut retaining shelf located below the lever receiving opening adjacent the upper end of the strut receiving notch of the operating crank.

Abstract: A break-open firearm where the frame and the barrel assembly are locked in place by a sliding top lock. A top lock lever is pivotally connected to the gun frame and is operatively connected to the top lock by a helical coil spring which biases the top lock forwardly into locking position when the top lock lever is moved in a direction which decreases the diameter of the coil spring. Other embodiments of the invention provide for the helical coil spring to be connected to the frame and to the top lock lever and to the frame and the top lock. In each case, the result is that the helical coil spring is the instrument to bias the top lock forward.