Class 42/75.04 - Hinged or pivoted barrel

Subclass of Class 42 - Firearms
Definition: Devices wherein the barrel may be moved in any direction
No. of patents: 35
Last issue date: 03/25/2008

Number	Title	Issue Date
7347023	Machine guns having detachable barrels and methods operating the same Machine guns having detachable barrels and methods of operating the same are disclosed. An illustrated example firearm includes a housing; a removable barrel; a latch to releasably secure the barrel in the housing, the latch having a released state and a secured sta...	03/25/2008
7325351	Rotating hand grip trigger assembly for small arms A firearm includes a barrel that has a central axis, a receiver fixedly supporting the barrel, and a gunstock that is connected to the receiver and that has a longitudinal axis. The gunstock and the receiver are each configured to provide for angular movement of the...	02/05/2008
7322142	Rotating fore grip for small arms A firearm includes a barrel that has a central axis, a receiver fixedly supporting the barrel, a gunstock that is connected to the receiver and that has a longitudinal axis and a fore grip connected to the receiver. The gunstock and the receiver are each configured ...	01/29/2008
7322141	Rotating fore grip for small arms A firearm includes a barrel that has a central axis, a receiver fixedly supporting the barrel, a gunstock that is connected to the receiver and that comprises a longitudinal axis, and a shoulder stock extending in a plane that is generally perpendicular to the longi...	01/29/2008
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
6935063	Triple-barrel shotgun A break down triple-barrel shotgun includes three barrels, having two bottom barrels and one top barrel positioned on top of the two bottom barrels. In this respect, the triple-barrel shotgun has features of both side by side and over and under shotguns. The triple-...	08/30/2005
6907687	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...	06/21/2005
6901691	Minimum exposure weapon A proven military combat-type weapon with the stock removed therefrom converted to an improved tactical weapon by addition of retrofit assemblies which include a collapsible and bilaterally pivoting stock, a front stabilization system, and a sighting system. This im...	06/07/2005
6739082	Firearm with fixed cartridge magazine top A firearm including a barrel, an upper receiver, a lower receiver, a cartridge magazine top, a magazine follower, and a magazine spring. The upper receiver has the barrel attached thereto. The lower receiver is pivotably attached to the upper receiver. The lower rec...	05/25/2004
6543173	Firearm assembly A firearm assembly including a fluid deflector adapted to be connected to a discharge end of a barrel of a firearm, the fluid deflector including a first passage for flow therethrough of a fluid and a second passage in fluid communication with and angled ...	04/08/2003
6539659	Device for hinging a barrel in an air-powered carbine of gun having a tiltable barrel A barrel box integral with the barrel rear end, with a hinge and latch for closing with respect to a fork integral with the front end of a pressure chamber. The box being connected to a mechanism of levers for compressing a plunger of the pressure chamber...	04/01/2003
6526683	Mid-grip high-power pistol A system and method for manufacturing a mid-grip high-powered pistol by modifying an existing rifle receiver, wherein a portion of the original trigger is removed, a new trigger is added in a position forward of the partially removed original trigger, and...	03/04/2003
6470617	Folding stock A folding firearm comprises a stock supporting a receiver, the receiver defining a bore for receiving a first end of the firearm barrel. A forearm is operably pivotally connected to the stock. The forearm includes a barrel securing mechanism having a secu...	10/29/2002
5974940	Rifle stabilization system for erratic hand and mobile platform motion An adaptive fuzzy logic based control system for rifle stabilization uses a rifle where the barrel is freely pivoted on the stock which is held by the human being firing the rifle who may be shooting from a moving vehicle or helicopter; alternatively, the...	11/02/1999
5933998	Break-action shotgun with a device for mass-production interchangeability of the barrels 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 a...	08/10/1999
5870846	Double barrel shotgun A new double barrel shotgun for increasing firing capacity and allowing simultaneous pump action of both forearm members or independent operation of one firing mechanism if one barrel becomes unusable due to jamming. The inventive device includes a receiv...	02/16/1999
5809682	Large calibre firearm The invention is related to a firearm having a plurality of barrels with a hinged breech block and handle with the handle acting as a grip. The handle is arranged so that it is aligned with the barrel when the breech block is in a closed position....	09/22/1998
5649383	Barrel retaining device for firearms 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 p...	07/22/1997
5467549	Firearm automatic safety system 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....	11/21/1995
5225610	One-shot weapons 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...	07/06/1993
4999939	Breech load pistol and conversion 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 reinforced slide which is slidably mounted to the pistol frame and is adap...	03/19/1991
4964232	Single barrel break-action trap shotgun 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 la...	10/23/1990
4891898	Projectile firing weapon with a replaceable firing mechanism actuator cassette A projectile firing weapon is disclosed having a simplified construction and a consequent increase in reliability. The trigger and firing mechanism are completely contained within an easily removable and replaceable cassette which may simply be dropped in...	01/09/1990
4890405	Stock flexure isolating gun barrel mount This invention concerns a unique firearm trigger, safety and stock attachment mechanism and to an embodiment in a semi-automatic blowback rifle where the receiver is mounted in the buttstock, a style commonly referred to as a "bullpup". The trigger is a d...	01/02/1990
4729186	Firearm with barrel holder for interchangeable barrels A firearm including a barrel holder for accommodating interchangeable barrels. A breechblock housing, connected to a stock, includes in a forward zone thereof, a recess having an abutment surface for absorbing recoil forces, with the barrel including a tu...	03/08/1988
4718186	Pivotal connection between break-open action and barrel of a gun Articulated connection between the break-open action and the at least one barrel of a rifle with two coaxial pairs of articulation members, the two articulation members (1a and 2a) of each pair complementing each other, and respectively one articulation m...	01/12/1988
4691462	Break-open action for sporting rifles A break-open action for sporting rifles comprising a forward part for connection with the at least one rifle barrel, which part can be releasably locked together with a rearward part by snug seats and corresponding fastening elements, and with the rearwar...	09/08/1987
4648192	Firearm for firing ammunition of different caliber A firearm is disclosed which includes a gun body having a firing mechanism and a barrel mount movable between a barrel loading position and a firing position. The firing mechanism is maintained in inoperative condition unless the barrel mount is correctly...	03/10/1987
4541192	Hinge device for firearms A hinge device for break-open type firearm comprises two pair of arcuate ridges on the breech slidably received in complementary grooves formed in parallel sidewalls of a receiver. One pair of ridges and complementary grooves is located forwardly of the h...	09/17/1985
4383384	Folding stock for firearms and firearms employing same A folding stock includes a butt plate that assumes its operational orientation in both the extended and the folded positions of the stock. A pivot arm is pivotably mounted on a mount that is adjustably inserted into recesses in the rear of the receiver of...	05/17/1983
4354322	Hand gun with improved barrel mounting pin The frame of a hand pistol has in its forward end a pair of spaced furcations between which the lug on a removable gun barrel is pivotally mounted by means of an adjustable mounting pin, which permits the barrel to be pivoted between an open or loading po...	10/19/1982
4299046	Single-shot survival rifle A portable lightweight rifle which is primarily intended for use as a survival rifle. The rifle is readily disassembled into two assemblies for storage or ease of transporting, without requiring any separable fastener. A supply of ammunition is carried in...	11/10/1981
4290220	Lightweight stock and frame construction for a firearm The lightweight stock and frame construction for a firearm involves replacing a substantial portion of the side walls of the metal frame with forwardly extending portions of the side walls of the wooden or plastic stock. Specifically, the right hand and l...	09/22/1981
4282671	Bolt-on fore stock An improved means of attaching a fore stock to a break action firearm provides for convenient adjustment to compensate for dimensional variations caused by wear, or occuring during manufacture of the various firearm components, and allows the user to adju...	08/11/1981
4063379	Fore end assembly for a firearm A firearm of the break-open and take-down type has a frame, at least one barrel releasably mounted on the frame, and a fore end assembly releasably secured to the underside of the barrel. The fore end assembly comprises a wooden fore end stock having a ch...	12/20/1977

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Class 42/75.04 - Hinged or pivoted barrel