80 results about "Lock (firearm)" patented technology

A grip and bipod mounting device for mounting a bipod supporting grip assembly to a “picatinny” mounting rail structure as are often affixed below the forearm stock of a firearm such as a military rifle (e.g., as per standard MIL-STD-1913). In particular, the present invention is directed to mounting a Parker-Hale style of firearm bipod on a bipod supporting grip assembly including a contoured mounting block segment inletted to cover and attach to a picatinny rail affixed beneath the forearm stock of the firearm. A grip or handle depends transversely from the mounting block segment and has a plurality of evenly spaced circumferential band-shaped outwardly projecting surface features. The bipod supporting grip assembly is releasably attachable to a bipod frame by means of a quick release connector such as a bayonet lock or similar locking means. The bipod frame includes a pair of extensible / retractable legs, each having a pair of telescoping sections to enable the height of the bipod to be adjustable as desired.

A grip and bipod mounting device for mounting a bipod supporting grip assembly to a “picatinny” mounting rail structure as are often affixed below the forearm stock of a firearm such as a military rifle (e.g., as per standard MIL-STD-1913). In particular, the present invention is directed to mounting a Parker-Hale style of firearm bipod on a bipod supporting grip assembly including a contoured mounting block segment inletted to cover and attach to a picatinny rail affixed beneath the forearm stock of the firearm. A grip or handle depends transversely from the mounting block segment and has a plurality of evenly spaced circumferential band-shaped outwardly projecting surface features. The bipod supporting grip assembly is releasably attachable to a bipod frame by means of a quick release connector such as a bayonet lock or similar locking means. The bipod frame includes a pair of extensible / retractable legs, each having a pair of telescoping sections to enable the height of the bipod to be adjustable as desired.

An upper receiver assembly for a firearm having an upper receiver with an integral barrel nut, a handguard assembly and a barrel nut assembly with a barrel and lock nut is provided. The barrel is received by the upper receiver and is secured directly to the upper receiver using the lock nut. The upper receiver also includes an integral handguard mounting member to which the handguard assembly may be directly attached. The upper receiver assembly allows the user to attach both the barrel and handguard assemblies directly to the upper receiver, independently of one another.

A firearm safety device invention for handguns is disclosed. The safety device (10) prevents accidental firing of a gun by children, but is easily removable by an adult in 5 to 10 seconds even in pitch darkness. The safety device includes a lock sleeve (26) with an expandable end plug (30) which is inserted through the muzzle (16) of a gun barrel (14). With the end plug positioned in the firing chamber, a lock rod (24) is inserted into the lock sleeve to force expansion of the linear slotted (32) end plug sufficiently to prevent the safety device from being removed from the barrel. Withdrawal of the lock rod from the lock sleeve to allow removal of the safety device is prevented by a knurled cap (22) which is threadedly attached to a knurled enlarged end portion (28) of the lock sleeve. Since the safety device is able to rotate freely in its assembled position in the gun, any attempt to unscrew the knurled cap without holding the enlarged end portion of the lock sleeve stationary will be unsuccessful. A child will not be able to remove the knurled cap since he or she will hold the gun in one hand while fiddling with the knurled cap with the other hand.

A lock for a firearm with a grip safety, and a sear engageable to a biased hammer in a cocked position and releasable by a trigger is disclosed. The lock has a housing defining a first bore within which a mainspring that biases the hammer is received, as well as a second bore. There is a locking pin retractable into and extendible out of the second bore of the housing. When the locking pin is in an extended position, the grip safety is restricted to an engaged state, blocking movement of the trigger. An actuator disposed in the housing and cooperatively linked to the locking pin provides the motive force for retracting and extending the locking pin.

The present invention is directed to an adaptor for a suppressor comprising a gate for locking the suppressor on the muzzle and a threaded receiver for securing the suppressor to the firearm such that excessive play of the suppressor is removed. It is further directed to a method of securing a suppressor on a firearm by engaging a gate on an adaptor in a groove on a barrel of the firearm to lock on the adaptor, and any attached suppressor, and then tightening the suppressor and the adaptor on the barrel by threading the suppressor into the adaptor until excessive play is removed.

The RF system for preventing hunting accidents comprising RF interrogator mounted on the firearm and RF transponder attached to hunter's coat, wherein sharp-diagram K-band RF channel of the interrogator, which is directed along the sightline of hunter's rifle, provides alert information about “friendly targets” that could be under fire, such as other hunters or persons and animals equipped with said transponder; and if they are, the system develops alert signal: “Do not shoot”. Also, the system is optionally equipped with a trigger lock automatically preventing friendly fire.

A lower receiver for an AR15 type firearm is provided comprising a non-detachable magazine movable in the receiver between a first locked position where the firearm is ready for use (i.e. cocked and ready for firing) and a second non-operational position where the magazine is lowered sufficiently to open a window or aperture in the receiver enabling the user to load fresh shell cartridges into the magazine. A locking mechanism also is provided for controlling the position of the non-detachable magazine between the first and second positions. A child-proof lock further is provided to prevent undesired activation of the locking mechanism. Additionally, a novel locking plate disposed between the lower receiver's frame and the receiver's stock extension tube provides enhanced support for the extension tube and an accessory attachment point for a shoulder strap or sling.

Presently disclosed is a locking device for a firearm that includes a longitudinally extending frame and a configurable butt support, a configurable action housing, and a barrel lock. The configurable butt support defines an opening for receiving a butt of the firearm, with one or more of the width, length or base of the opening being configurable. The configurable action housing defines a channel between interchangeable opposing profiles, which are associated with the configuration of one or more firearms and inhibit access to at least a trigger of the firearm. The barrel lock is configured to secure the barrel of the firearm when in a locked position, and to release the barrel of the firearm when in an unlocked position. The locking device may also include a biometrically activated lock, such as a fingerprint reader, and a communication interface to provide information about attempts to access the firearm.

Firearms have an alignment element configured to connect to the barrel with the threaded muzzle portion exposed forward of the alignment element, the alignment element having a lock element movable between a release position and an engaged position, a muzzle device having internal threads configured to mate with the threaded portion of the barrel, the muzzle device defining a lock channel adapted to receive the lock element in the engaged position, the lock channel including wall portions configured to contact the lock element in the engaged position to prevent rotation of the muzzle device, and the lock element in the release position being clear of the lock channel to enable the muzzle device to rotate for removal from the threaded muzzle portion. The alignment element may define a first bore portion configured to closely receive a selected barrel portion immediately aft of the shoulder surface.

An improved firearm safety device for handguns is disclosed. The firearm safety device (10) prevents accidental firing of a gun by children, but is easily removable by an adult in 5 to 10 seconds, even in pitch darkness. The firearm safety device includes a lock sleeve (26) having an expandable end plug (30) and a lock rod (24) having a removable tip (34), which are inserted through muzzle (16) of a gun barrel (14) into an empty firing chamber (20). Removable tips, having different diameters, provide the proper expansion for different caliber handguns. A knurled cap (22), connected to the lock rod, is threadedly attached to a knurled enlarged end portion (28) of the lock sleeve, forcing the expansion of the linear slotted (32) end plug, preventing removal of the firearm safety device from the handgun. Since the safety device is able to rotate freely in its assembled position within the handgun, any attempt to unthread the knurled cap without holding the knurled enlarged end portion of the lock sleeve stationary, will be unsuccessful.

An improved firearm safety device for handguns is disclosed. The firearm safety device (10) prevents accidental firing of a gun by children, but is easily removable by an adult in 5 to 10 seconds, even in pitch darkness. The firearm safety device includes a lock sleeve (26) having an expandable end plug (30) and a lock rod (24) having a removable tip (34), which are inserted through muzzle (16) of a gun barrel (14) into an empty firing chamber (20). Removable tips, having different diameters, provide the proper expansion for different caliber handguns. A knurled cap (22), connected to the lock rod, is threadedly attached to a knurled enlarged end portion (28) of the lock sleeve, forcing the expansion of the linear slotted (32) end plug, preventing removal of the firearm safety device from the handgun. Since the safety device is able to rotate freely in its assembled position within the handgun, any attempt to unthread the knurled cap without holding the knurled enlarged end portion of the lock sleeve stationary, will be unsuccessful.

A method for locking a firearm in an “open” position involves blocking some portion of the firearm's action (internal operational mechanism) with a selectively-extendable locking device accessible from outside the firearm. More specifically, the locking device is positioned at one of a plurality of pre-selected locations on the firearm, and includes a plunger that lies retracted when the device is unlocked, and that extends into the interior of the firearm when locked. The pre-selected location is chosen such that: (i) when locked, the locking device interferes with the firearm's action, preventing it from being closed, and the firearm from being fired; (ii) the locking device can only be locked when the firearm's action is in an open position, with the chamber visually exposed; and (iii) to the extent one is able to operatively disassemble the firearm when the locking device is locked, the locking device cannot be defeated internally.

A rear lock-up bolt action assembly is provided. The bolt action assembly can include a receiver body including a front aperture capable of receiving a firearm barrel and a rear aperture. A lug groove can be formed in the vicinity of the rear aperture of the receiver body. The bolt action assembly can also include a bolt assembly including a bolt handle and three rear locking lugs arranged on a rear portion of the bolt assembly. The bolt assembly is configured to be arranged in the receiver body such that the three rear locking lugs are capable of being rotated within the lug groove when the bolt handle is rotated. When a round is fired, the three rear locking lugs are forced to mate with the lug groove thereby evenly distributing a bolt pressure on the receiver body.

Safety lock mechanisms (C1-C28) for a portable weapon is disclosed. Such a mechanism includes an actuator (M3), and locking means operable from an unlocked state to a locked state by the actuator (M3) for blocking a firing sequence of said portable weapon. The blocking of the firing sequence is carried out at a trigger, a trigger lever, a hammer, or a firing pin of the portable weapon. The actuator (M3) may be a push-pull solenoid or servo motor.

A surface-mounted wall and / or vehicle locking and securing device for a firearm comprises a mounting bracket having a hinged lock bar connected at the second end of the mounting bracket. A magazine block is connected to the mounting bracket carrying a spring-loaded lock pin, which is dimensioned to pass through a hole or cut-out provided in the magazine block and the second end of the mounting bracket. A magazine mount tab is permanently attached to the mounting bracket for holding the magazine block. The device prevents the firearm from being loaded with ammunition and locks the firearm to a mounted surface using an external lock. The spring-loaded lock pin goes through the mounting bracket, magazine block inside the firearm and goes through a hole on the lock bar that comes through the firearm ejection port. The device has an automatic unlocking feature via a lock pin spring when the external padlock is removed from the pin lock tab and the lock pin. This allows the lock bar to automatically open for quick and easy removal of the firearm. Different external locks can be used to lock the firearm.

The present invention relates to a coupling for quick and easy attachment and detachment of a firearm accessory to a muzzle of a firearm, the coupling including a female member and a male member, where the female member is provided with a throughgoing bore and further is provided with a number of successive threaded portions and unthreaded portions around a circumference of the throughgoing bore, wherein the male member around an outer circumference is provided with the same number of successive threaded portions and unthreaded portions as the female member, the female member further being provided with a groove arranged around an outer circumference of the female member and a through-going slit extending from the groove to an end of the female member, the male member being provided with a number of recesses arranged around an outer circumference of the male member, a resilient lock element being arranged in the groove.

An automatic firearm that includes a unitary portion including a human interface and a barrel defining a longitudinal dimension. A slidable portion is attached to the unitary portion so as to permit the slidable portion to slide in the longitudinal dimension. The slidable portion includes at least a portion of a firing chamber. In addition, a lock is adapted to selectably fix the slidable portion relative to the unitary portion. Also, a chamber attached to the unitary portion and an inertial member permitted to move inside the chamber and urged into a first position, the inertial member adapted to translate into a second position, displaced from said first position by at least 0.1 cm, upon firing of the firearm, in which second position the inertial member begins to change the position of the lock, thereby permitting the moveable portion to move relative to the unitary portion.

A device for assisting loading rounds into a firearm magazine (70) includes a body (12) that locks to the magazine using a catch pin 16. The body has a top opening (32) for a round (74). A press (40) hinged to the body top includes two plungers (44, 46) projecting down and aligned to enter the opening. A bullet pusher (60) is hinged to the body front and has a tongue (68) with a pushing surface (64). A wire (54) couples the press and pusher so that when the press is moved down, the pusher is moved out, and vice versa. A round is placed in the opening and on the tongue and the press is moved down to withdraw the tongue and push the round partly into the magazine. The pusher is then moved to the body to raise the press and push the round fully into the magazine.

A firearm apparatus is described comprising a firearm upper assembly and a firearm lower assembly, the firearm lower assembly comprising a firearm magazine container, wherein swapping of or refilling of a firearm magazine that is resident within the magazine container necessitates at least partial removal of the firearm upper assembly or may require complete removal of the firearm upper assembly from the firearm lower assembly. Further, such an apparatus requires removal of a firearm magazine retaining device that secures a firearm magazine lock wherein the retaining device is inaccessible without the at least partial removal of the firearm upper assembly from the firearm lower assembly. The firearm lower assembly may have a firearm magazine container that has a closed or partially closed bottom end to prevent switching out of a firearm magazine and the firearm lower assembly may have an opening in the top end sized for receiving a firearm magazine. A new firearm lower assembly is described that has no magazine position button as well as a conversion kit and a method of using a conversion kit to convert a semi-automatic firearm with a readily detachable firearm magazine into a firearm having a non-readily detachable firearm magazine.

A stock assembly and related method are provided. The stock assembly can include a base that can be joined with a weapon and a butt portion that movably extends from the base so the stock assembly can be adjusted in length. The stock can include an adjustment limiter configured to stop extension of the butt portion at a predetermined length, which can be set by a user to fit their stature. The butt portion can include a longitudinal axis and a limiter surface offset at an angle relative to the axis. The adjustment limiter can be a wedge that wedges against the limiter surface to set the stock assembly at the predetermined length, thereby automatically setting that length in a consistent and repeatable manner. A lock, separate from the adjustment limiter, can selectively lock the butt portion in a fixed position as or after the stock assembly attains the predetermined length.

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.

Broadly, the present embodiment is a magazine locking device. The present embodiment locks a magazine in the magazine well when an AR-15 style rifle's upper and lower receivers are closed together. When an AR-15 style rifle's upper and lower receivers are closed, the present embodiment will allow a magazine to be inserted into the firearm. When a magazine is fully inserted into the magazine well the magazine is fixed in place. In order to release the fixed magazine that is retained in an AR-15 style rifle magazine well by the present embodiment, the upper and lower receivers of an AR-15 style rifle must be opened, or separated. The instant the upper and lower receivers of an AR-15 style rifle are separated the fixed magazine is automatically released. The present embodiment is returned to the closed position when an AR-15 style upper receiver is closed onto the lower receiver.

A safety selector for switching a firearm between at least two firing modes. The safety selector includes a cavity for placing a vial of tritium to provide a visual indication of the selected firing mode. A lock member extends through a portion of the firearm to regulate movement of a firing mechanism. A lever arm and a faceplate are connected to one end of the lock member to rotate the lock member between positions and an endcap is connected to the opposite end of the lock member to rotate therewith. At least one of the lever arm, the faceplate, and the endcap define the cavity for nesting the tritium vial. Another lever arm and faceplate may be located on the other side of the lock member for ambidextrous usage. The additional lever arm and / or faceplate may also include a cavity for nesting another tritium vial.

Firearms have an alignment element configured to connect to the barrel with the threaded muzzle portion exposed forward of the alignment element, the alignment element having a lock element movable between a release position and an engaged position, a muzzle device having internal threads configured to mate with the threaded portion of the barrel, the muzzle device defining a lock channel adapted to receive the lock element in the engaged position, the lock channel including wall portions configured to contact the lock element in the engaged position to prevent rotation of the muzzle device, and the lock element in the release position being clear of the lock channel to enable the muzzle device to rotate for removal from the threaded muzzle portion. The alignment element may define a first bore portion configured to closely receive a selected barrel portion immediately aft of the shoulder surface.

An accessory mount for removably attaching an accessory to a firearm rail includes a base having a mounting rail, a lock block moveable in a recess of the base and a throw lever, which when activated, allows springs to move the lock block in the recess so the lock block disengages the firearm rail in an open mode. The thumb lever also can engage the lock block to a closed mode in which it clamps the mount to the firearm rail in a fixed position relative to the firearm. An accessory thus can be firmly, consistently and securely mounted relative to the firearm with the mount. The thumb lever can be joined with a threaded shaft that engages a threaded element, for example, a keps nut, associated with the lock block. A toggle lock can selectively engage notches in the threaded element to set the overall clamping force of the lock block and mount on the firearm rail.

The present invention is an ammunition magazine utilizing slide lock release relief depressions made to fit around a firearm slide lock release lever. The magazine body can further comprise trigger bar relief and frame relief depressions configured to fit around the corresponding components of a firearm, permitting the function of firearm components while maximizing the thickness of the firearm magazine body material.