Operating As Gas Piston And/or Recoil Member Patents (Class 89/156)
  • Patent number: 10837721
    Abstract: A single bolt-action receiver with a lower having the ability to accept multiple shaped magazines through an interchangeable magazine well, defining a magazine chamber shape. The interchangeable magazine wells may further comprise a first flange and a first aperture and a second flange and a second aperture. The first interchangeable magazine well defining a first magazine chamber shape, may be configured to receive a first ammunition magazine containing a first shape and first caliber ammunition. The first interchangeable magazine well can be removed and a second interchangeable magazine well containing a second chamber shape, may be configured to receive a second ammunition magazine shape containing a second shape and second caliber ammunition.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: November 17, 2020
    Inventor: David Alan Ives
  • Patent number: 10641564
    Abstract: A drive for a weapon having a drive cam and a connecting rod unit guided in the drive cam. The drive cam includes the firing cycle of the weapon. A connecting rod unit has a front pin and a rear pin, a strut pin. With its front pin, the connecting rod unit engages in the drive cam. The front pin is also connected to a crank, which is driven by an external drive. The strut pin is connected to an overall control slider of a breech block of the weapon. An emergency stop device, which when a shot is fired makes a pin extend and ensures that the overall control slider is taken along. If, on the other hand, no shot is fired, the pin is not made to extend and the overall control slider not moved. Parts of the drive may in this case continue to run.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: May 5, 2020
    Assignee: Rheinmetall Waffe Munition GmbH
    Inventor: Hubert Schneider
  • Patent number: 9375795
    Abstract: In one embodiment, a reciprocating tool includes a reciprocating plunger, a motor operably connected to the plunger, a cam portion operably connected to the motor, a cam follower operably connected to the reciprocating plunger, and a biasing assembly configured to bias the cam follower toward the cam portion, the biasing assembly including an outer biasing member and an inner biasing member, the inner biasing member in contact with an inner portion of the outer biasing member.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 28, 2016
    Assignee: Robert Bosch GmbH
    Inventor: Stephen C. Oberheim
  • Patent number: 9194637
    Abstract: A universal magazine latch mechanism operable to retain and release a magazine from a firearm. In one embodiment, the mechanism may include a frame defining a magazine well configured to insertably receive a magazine holding a plurality of cartridges, a rear catch lever pivotably mounted to a rear wall of magazine well about a first pivot axis, and a side catch lever pivotably mounted to the frame about a second pivot axis. The rear catch lever is operable to engage/disengage rear or front style latching magazines. The side catch lever is operable to engage/disengage side catch style magazines. The rear catch lever is an actuator for operating both the rear and side catch levers, thereby latching and releasing all three catch styles of magazines with a single user action.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: November 24, 2015
    Inventor: Jonathan Philip Mather
  • Patent number: 8967033
    Abstract: A fixed-barrel, gas-operated firearm having its barrel concentrically mounted within a pressure tube enclosing substantially all of the moving parts of the firearm's action. A gas cup reciprocates under the influence of propellant gas pressure when the firearm is fired, driving slide members that link the pressure cup to the firearm's bolt rearward within the pressure tube, unlocking the breech, rotating and retracting the bolt, discharging the spent cartridge casing and then advancing the bolt to chamber a new cartridge.
    Type: Grant
    Filed: May 10, 2014
    Date of Patent: March 3, 2015
    Inventor: J Patrick O'Brien
  • Patent number: 8752471
    Abstract: A fixed-barrel, gas-operated firearm having its barrel concentrically mounted within a pressure tube enclosing substantially all of the moving parts of the firearm's action. A gas cup reciprocates under the influence of propellant gas pressure when the firearm is fired, driving slide members that link the pressure cup to the firearm's bolt rearward within the pressure tube, unlocking the breech, rotating and retracting the bolt, discharging the spent cartridge casing and then advancing the bolt to chamber a new cartridge.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: June 17, 2014
    Inventor: J. Patrick O'Brien
  • Publication number: 20100077914
    Abstract: A recoil-operated, impulse averaging, air-cooled, magazine-fed, automatic weapon. An operating group of the weapon includes a chamber, a bolt, a barrel extension and one or more toggles. The recoil action of the weapon from firing a first round drives the toggles in a motion constrained by a cam way. The toggles then drive the chamber in a linear reciprocating motion ejecting a first round and over-riding the next round. An impulse averaging system controls the speed of the recoil.
    Type: Application
    Filed: April 7, 2009
    Publication date: April 1, 2010
    Applicant: General Dynamics Armament and Technical Products
    Inventors: David L. Steimke, Parke R. Warner
  • Patent number: 7178443
    Abstract: A wedge-type breechblock is provided for a weapon having a barrel that recoils relative to a cradle, the barrel having a bore with an axis, and a breech plate. The breechblock includes a closing wedge for arranging in the breech plate such that the closing wedge can be displaced transverse to the axis of the bore. A pin-type carrier, through a control lever and a breech mechanism shaft, activates the closing wedge. An ascending curved track is located on a guiding device, and guides the pin-type carrier during a counter-recoil motion of the barrel from an intake region to a highest point, so that the control lever is pivoted during the counter-recoil motion of the barrel and the breech mechanism shaft is turned to move the closing wedge to an opened position.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: February 20, 2007
    Assignee: Rheinmetall W. & M GmbH
    Inventors: Helmut Isgen, Henning von Seidlitz
  • Patent number: 6257116
    Abstract: A slide action pistol including a frame; a barrel supported on said frame and having a bore on an axis of the barrel; a handgrip portion of the frame provided with a cavity therein for receiving a magazine; a firing assembly including a trigger, hammer and firing pin arranged in operative relationship; and, a slide having one end engaged with the barrel and an opposite end pivotally connected to the handgrip portion, the slide arranged to pivot upwardly and rearwardly when the pistol is fired.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: July 10, 2001
    Inventors: Jacob L. Moczijdlower, Vera R. Pini Leitao, Luiz M. Vianna Camargo
  • Patent number: 5992290
    Abstract: A digital interface device conveys signals between aircraft data busses and a wingtip weapons station. A first interface is provided, coupling to an F/A-18 Aircraft Instrumentation Subsystem Internal (AISI) input/output connector. A second interface is coupled to a secondary armament bus. A crossover cable interconnects the wingtip weapon station to the secondary armament bus. A digital data processing module is coupled to the first and second interfaces and programmed to convey signals between aircraft data systems coupled to the F/A-18 AISI input/output connector and the wingtip weapon station. Namely, the processing module monitors signals received on the input/output connector, and extracts signals addressed to one or more predetermined addresses. The module also transmits the reformatted signals to the wingtip weapon station. With a minimum of wiring changes, the interface easily converts an aircraft designed for a nose-mounted ACT pod for use with an ACT pod mounted at a wingtip station.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: November 30, 1999
    Assignee: Cubic Defense Systems, Inc.
    Inventors: Gayle P. Quebedeaux, James W. Schafer, Gerald R. Schroeder
  • Patent number: 5900577
    Abstract: A weapon system is disclose whose design permits simple reconfiguration of the weapon to perform optimally in many configurations. By reconfigurations, the weapon can be configured to fire a wide variety of cartridges, including but not limited to 7.62.times.39 mm, 5.45.times.39 mm, 5.56 NATO, 0.45 ACP, 9 mm, 40 S&W, and 0.300 Magnum. This reconfiguration is accomplished by easily changing the following components: barrel; operating rod, recoil spring, and buffer; gas tube, bolt head, firing pin and extractor; and magazine well. The weapon can be reconfigured to accept a wide variety of cartridge feeding devices, including but not limited to AR15/M16 magazines, AK47 magazines, and a variety of ammunition belts and links. Also, the weapon system can be easily reconfigured to position a cartridge magazine either under the firearm or above the firearm.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: May 4, 1999
    Assignee: ZDF Import Export Inc
    Inventors: Alexander J. Robinson, Darin G. Nebeker
  • Patent number: 5866838
    Abstract: The disclosure relates to a low cost and highly accurate precision guided system suitable for use in conventional aircraft launched bombs. The system includes a kit mounted upon the nose of the conventional bomb which replaces the conventional fuse disposed in a fuse well, the kit including guidance electronics controlling a self-contained jet reaction device and GPS P-code receiver electronics. The bombs are readied for discharge by radio frequency signals broadcast from the aircraft into the bomb bay which transfer initial GPS data and commence operation of a gas generator which powers the jet reaction device.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: February 2, 1999
    Assignee: Lockheed Martin Corp.
    Inventor: Joseph R. Mayersak
  • Patent number: 5691531
    Abstract: A microcomputer with a modem is programmed with information for controlling a flight control computer on a missile. The microcomputer is carried on an aircraft from which the missile is controlled. The pilot of the aircraft has a keypad for setting the target coordinates in the microcomputer. The audio signals from the microcomputer modem are fed to the voice communications system of the aircraft so as to modulate the carrier of the transmitted signal. This signal is received by the receiver on the missile and demodulated and employed to control signals for the missile in the missile flight control computer. The pilot of the aircraft sets in target coordinates for the missile on a keypad connected to the microcomputer.
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: November 25, 1997
    Assignee: Leigh Aerosystems Corporation
    Inventors: Gordon L. Harris, Neil A. Levy, Daniel R. Weisz
  • Patent number: 5681008
    Abstract: A wireless apparatus and communication system for remotely determining the unique identification of individual remote devices, among a plurality of remote devices, and to simultaneously determine the location of each individual remote device, associated with its unique identification number. This invention further provides a wireless signaling response capability for the purpose of relaying generic digital data from a remote device to a host system.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: October 28, 1997
    Assignee: Boeing North American, Inc.
    Inventor: Gary A. Kinstler
  • Patent number: 5657947
    Abstract: The disclosure relates to a low cost and highly accurate precision guided system suitable for use in conventional aircraft launched bombs. The system includes a kit mounted upon the nose of the conventional bomb which replaces the conventional fuse disposed in a fuse well, the kit including guidance electronics controlling a self-contained jet reaction device and GPS P-code receiver electronics. The bombs are readied for discharge by signals broadcast from the aircraft into the bomb bay which transfer initial GPS data and commence operation of a gas generator which powers the jet reaction device.
    Type: Grant
    Filed: November 24, 1995
    Date of Patent: August 19, 1997
    Assignee: Loral Corp.
    Inventor: Joseph R. Mayersak
  • Patent number: 5614896
    Abstract: A weapon station testing system for testing the mission readiness of an aircraft (10) having a plurality of weapon stations including a first weapon station (12a) and a second weapon station (12b) comprises a common electronics module (14) and a plurality of interchangeable mechanical fixtures (16a, 16b). A first interchangeable fixture (16a) is operative for interconnecting the common electronics module (14) with the first weapon station (12a). A second interchangeable fixture (16b) is operative for interconnecting the common electronics module (14) with the second weapon station (12b).
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: March 25, 1997
    Assignee: Hughes Missile Systems Company
    Inventors: R. Winston Monk, David P. Van Cleve
  • Patent number: 5487322
    Abstract: A store ejector includes at least one fluid pressure operated ram (4). In use the ram (4) engages and ejects a store (5). The ejector includes a source of fluid under pressure and a throttle valve connected between the source of fluid under pressure and the ram (4). A pressure sensor detects the pressure supplied to the ram and an extension sensor monitors the extension of the ram. A computer receives inputs from the pressure and extension sensors and provides a control output to the throttle valve to control the valve to provide a predetermined applied thrust profile to the store.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: January 30, 1996
    Assignee: M L Aviation Limited
    Inventor: Glenn M. Rhodes
  • Patent number: 5351597
    Abstract: A device for indicating the type of ammunition provided in or on the ammunition unit comprises a distinguishable specific identification allocated for each type of ammunition and made up of electronic device with different electrical characteristics depending on the type of ammunition, including a status-changing element which can change between at least two statuses having different electrical characteristics. A control circuit is provided for controlling change-over of the status-changing element between the at least two statuses having different electrical characteristics, the process of the status changes controlled by the control circuit being indicative of the type of ammunition contained in the ammunition unit.
    Type: Grant
    Filed: January 14, 1993
    Date of Patent: October 4, 1994
    Assignee: NobelTech Electronics AB
    Inventors: Peter Holmstrom, Bjorn Levison
  • Patent number: 5348250
    Abstract: The coolant supply to a cooler for the detector of an optical seeker in a missile is to be controlled; the missile is arranged in a launcher attached to an aircraft. A caging device for caging the movable seeker optical system of the seeker is provided in the seeker. For target tracking, this caging device is releasable, before operation of the missile, by a release signal through a control line extending from the cockpit of the aircraft to the launcher. This control line is simultaneously used for controlling the coolant supply by providing a bistable circuit on the missile side of the control line, activation of the coolant supply being effected by setting the bistable circuit, the setting and resetting of the bistable circuit being determined by the variation in time of the release signal.
    Type: Grant
    Filed: July 15, 1993
    Date of Patent: September 20, 1994
    Assignee: Bodenseewerk Geratetechnik GmbH
    Inventors: Gerd Semler, Winfried Zeischke
  • Patent number: 5335581
    Abstract: The invention relates to a system for loading a round such as a telescoped round into a pivoting chamber of a gun, in particular a medium caliber gun. The system comprises a feed device secured to the oscillating mass of the gun and laterally offset relative to the gun barrel. The feed device is situated between the trunnion axis of the gun and the pivoting chamber. The system further includes an insertion device for inserting a round into the chamber, which insertion device is secured to the recoil mass of the gun, is situated above the barrel, and lies substantially in the vertical plane in which the chamber pivots. The round is conveyed from the feed device to the insertion device by a feed star mounted to rotate about the barrel of the gun.
    Type: Grant
    Filed: May 20, 1993
    Date of Patent: August 9, 1994
    Assignee: Giat Industries
    Inventors: Georges Simon, Michel Baubois
  • Patent number: 5229538
    Abstract: A digital communication network adapts a conventional MIL-STD-1553 aircraft multiple weapons rack for carriage of smart weapons. The network is a communications, power, and signal management interface circuit which permits an existing single pylon wing RT/sub-bus to control a plurality of additional smart RT's. The network utilizes a sub-bus which includes an RT and a bus controller for the multiple stores. The output of the RT/sub-bus is divided to create a plurality of inputs to the additional RT's to establish a power and communications link with the aircraft controller. The network includes a processor which receives coded digital communications from the controller and selectively rebroadcasts those communications to one of the smart weapons on the rack designated by the coded communication.
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: July 20, 1993
    Assignee: M. Technologies, Inc.
    Inventors: Maureen P. McGlynn, William D. Meiklejohn
  • Patent number: 5092221
    Abstract: This invention comprises a multi-store, gas-fired launcher that fits into, nd is electrically connected with, a transporting vehicle and that contains sequentially-stacked assemblies that generate sufficient gas force to discharge an individual store. An electrical pulse from the transporting vehicle cause a sequencer in the launcher to divert the charge to a burn resistor. At burn-out, a spring-activated striking arm punctures a CO2 bottle which provides sufficient gas pressure to force the store out of the launcher.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: March 3, 1992
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Bruce W. Travor, James F. McEachern
  • Patent number: 5014590
    Abstract: A device for ejecting submunition from a scattering vessel with a plurality of ejecting tubes which receive this submunition, has one or more compressed-gas generators being assigned to these ejecting tubes for the purpose of an ejection which is uniform or variable with respect to time. Such a device regulates the pattern of the submunition in accordance with given conditions.
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: May 14, 1991
    Assignee: Messerschmitt-Bolkow-Blohm GmbH
    Inventor: Wolf-Dieter Moggert
  • Patent number: 4825151
    Abstract: A weapon interface system evaluator and method for testing weapon carriage assemblies used with weapons and ejectors on military aircraft. The evaluator system is adapted for interfacing with a standard weapon system avionics box that responds to the aircraft's computer via a standard MIL. SPEC. data bus. The evaluator is easily deployed at forward military operating bases and under various temperature and weather extremes.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: April 25, 1989
    Assignee: The Boeing Company
    Inventor: David J. Aspelin
  • Patent number: 4791851
    Abstract: A self-powered, belt-fed automatic gun for firing cylindrical, telescoped ammunition is described. Mounted in receiver portions of the gun, to which a barrel is connected, are a shell chamber, a chamber carrier assembly, a shell rammer assembly and shell feeding and casing ejecting assembly. The shell rammer and chamber carrier assemblies are mounted in the receiver for axial reciprocating movement, the chamber being interconnected with the carrier assembly so that recoil movement of the carrier assembly moves the chamber laterally from a firing position to a loading position, counterrecoil movement of the carrier assembly causing the chamber to move back to the firing position. Responsive to chamber movement from the firing position to the loading position a shell is moved into a feed position rearwardly adjacent to the chamber.
    Type: Grant
    Filed: December 24, 1987
    Date of Patent: December 20, 1988
    Assignee: Ares, Inc.
    Inventor: Eugene M. Stoner
  • Patent number: 4709615
    Abstract: An electrical firing arrangement for the sequential firing of a plurality of mortars stacked in end-to-end relationship within a single launching barrel. The firing arrangement comprises a pulse generator for producing mortar firing pulses and a circuit for applying these pulses to an electro-magnetic stepping switch which applies the pulses in turn over pairs of wires to igniters of the respective mortars as the stepping switch is stepped from one position to the next. The stepping switch comprises normally-open contacts which close when an operating coil is effectively energized by a firing pulse and switch wipers move out of engagement with one pair of associated contacts on the stepping switch towards the next pair of associated contacts on the same switch.
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: December 1, 1987
    Assignee: Plessey Overseas Limited
    Inventor: John R. Field
  • Patent number: 4660456
    Abstract: An airborne missile launcher is provided which is of modular construction to carry a variety of different missiles. A main body section has top attachment points, whereby it is carried by an aircraft, and sub-rail hangers at its underside to receive alternative missile-carrying sub-rails each of which sub-rails has one or more longitudinal tracks for carrying one or more types of missile. The sub-rail may be mounted in telescopically sliding relationship with the main body section. To complete the launcher body, forward and aft body sections are attached to the main body section, each of the forward and aft body sections being selected from a number of different such sections to suit different types of missile. For certain missile types, the forward and aft sections may be simply a plastics fairing; for certain other missile types, the forward and aft section may house a missile umbilical retraction mechanism and other operative means.
    Type: Grant
    Filed: October 2, 1984
    Date of Patent: April 28, 1987
    Assignee: Frazer-Nash Limited
    Inventors: Dennis Griffin, Charles A. Field
  • Patent number: 4531446
    Abstract: An apparatus for converting an automatic firearm of high caliber including a frame, a receiver mounted on the frame, a barrel mounted on the receiver, a bolt disposed on the receiver telescopically moveable relative to the breech end of the barrel against the action of a recoil spring, and the bolt being controlled by a sear which is movable in response to the movement of the weapon trigger and a disconnect lever, to a low caliber automatic firearm is disclosed. The apparatus for conversion includes a frame disposed in the receiver of the firearm, a low mass bolt assembly including a bolt carrier, a bolt, and a sear foot disposed in sliding contact with the frame. A pivotable camming lever is attached to the frame and pivots in response to impact from the bolt carrier. The camming lever provides sufficient mechanical advantage to enable the forward impact of the low mass bolt assembly to depress the disconnect lever on the original weapon.
    Type: Grant
    Filed: July 26, 1982
    Date of Patent: July 30, 1985
    Inventor: Steven C. VanVoorhees
  • Patent number: 4494438
    Abstract: An existing, conventional fighter aircraft equipped with an air-to-ground weapons system is provided, through the present invention, with means for additionally carrying and releasing air-to-air missiles. A mounting member having a conventional air-to-air missile launcher attached to each side is provided with a pair of spaced lugs for engagement by the existing hooks on one or more of the aircraft pylons normally used for attachment of air-to-ground weapons. A pilot-controlled switch is selectively positioned to connect either the air-to-air or air-to-ground weapons systems with the existing weapons control network for operation upon actuation of the standard "fire", "uncage" or "reject" switches. Relay means associated with the launcher mounted member intitially connect a first of the two missiles carried thereby with the control network and, after actuation of either the fire or reject switch, automatically connect the second of the two missiles with such switches.
    Type: Grant
    Filed: January 20, 1983
    Date of Patent: January 22, 1985
    Inventors: Gary R. Lighton, Michael S. Lighton
  • Patent number: 4357857
    Abstract: A loading apparatus for telescoped round ammunition for a rapid fire gun in which the loading occurs during the recoil and counter-recoil movements of the gun with the recoil and counter-recoil movements of the gun being employed to position a new round into the chamber, discharge the old round from the chamber and reposition the chamber in the breech. One or two magazines of new rounds can be selectively used. The chamber can be moved along tracks out of the breech and back into the breech or can be swung out of and into the breech.
    Type: Grant
    Filed: July 5, 1979
    Date of Patent: November 9, 1982
    Assignee: Paccar Inc.
    Inventor: Roland A. Magnuson
  • Patent number: 4278008
    Abstract: A cartridge containing a propellant charge, and a separate projectile are dividually loaded into two independently operable sections of a gun breech assembly. The automatic loading operation is facilitated by separating the two sections during recoil movement, loading each component, and re-aligning both sections with the gun barrel in the battery position at the conclusion of counter-recoil movement.
    Type: Grant
    Filed: October 12, 1979
    Date of Patent: July 14, 1981
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: William G. Smith, Ladd Yuhash
  • Patent number: 4240324
    Abstract: An automatic gun for firing a projectile by means of a separately loaded pellant case has a receiving frame in which an elongated barrel can reciprocate. The barrel, which has an axial bore from its breech to its muzzle, has a chamber member slidably mounted on its breech end. This chamber member, having a concavity shaped to hold the propellant case, is transversely displaced from alignment with the barrel to an unlocked position by an actuating means, in response to barrel recoil.
    Type: Grant
    Filed: October 30, 1978
    Date of Patent: December 23, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: William G. Smith, Ladd Yuhash
  • Patent number: 4182502
    Abstract: This device incorporated in a release or ejector mechanism for adjusting the transverse direction of an airborne load comprises a device for pivoting thereon the load-supporting hook and a bell crank linkage system, whether the load is equipped with a so-called saddle member or with standard rings. This device comprises essentially a cylindrical body formed either with an eccentric portion or with a transverse screw for performing the necessary adjustment, and a lock nut for firmly maintaining the selected adjustment position.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: January 8, 1980
    Assignee: R. Alkan & Cie
    Inventors: Jean H. Hasquenoph, Pierre F. Coutin