Patents Examined by David Brown
  • Patent number: 5544441
    Abstract: A radially loading ignition system for a muzzle loading weapon generally comprises a body having threads on its outer surface and a well sunk into one end for loosely holding a shotgun shell primer; a first opening through the side of the well for passing the primer into the well radially; and a rotatable cover enclosing the well and having a second opening which is aligned with the first opening for loading the primer and which is rotated out of alignment with the first opening for closing the ignition system. The ignition system is suitable for use in muzzle loading weapons using either an in-line firing system or a conventional swing hammer. A spare primer holder is also disclosed which comprises a semi-circular ring of elastomeric material adapted to snap onto a rifle scope or barrel and having a series of holes for frictionally receiving spare primers.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: August 13, 1996
    Inventors: Gary Mahn, Gary Bowman
  • Patent number: 5488795
    Abstract: A multi-caliber laser firing cartridge (10) for use with a variety of different caliber conventional firearms (100) wherein the cartridge (10) employs an adjustable position switch housing member (71) which may be movably deployed within the cartridge base unit (11) to accommodate varying firing pin "throws" within conventional firearms (100) such that the impact of the firing pin (102) on the cartridge (10) will generate and project a laser beam from the cartridge and through the barrel (104) of the firearm.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: February 6, 1996
    Assignee: American Laser Technology, Inc.
    Inventor: Richard E. Sweat
  • Patent number: 5467549
    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.
    Type: Grant
    Filed: December 30, 1993
    Date of Patent: November 21, 1995
    Inventors: Kenneth C. Rowlands, Thomas G. Bauman
  • Patent number: 5448941
    Abstract: Apparatus for launching a device from a vessel includes a launcher having a air of launch bay doors retractable within a launch bay, and first and second connection mechanisms for holding first and second ends of the device. The connection mechanisms extend the device partially out of the launch bay simultaneous with the retraction of the bay doors into the launch bay. The first connection mechanism releases the first end of the device while the second connection mechanism rotatably holds the second end of the device. This allows the device to rotate away from the launch bay until a preset position is reached at which point the second end of the device separates from the second connection mechanism allowing the device to move away from the launcher.
    Type: Grant
    Filed: December 29, 1993
    Date of Patent: September 12, 1995
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Daniel M. Godfrey, Mark V. Chester
  • Patent number: 5433132
    Abstract: A missile and launcher system that shields a missile from external electromagnetic radiation. Shielding is accomplished by separating the shielding system of the missile from the shielding system of its launcher system. Unique and separate shielding of the missile is accomplished by utilizing the missile launching enclosure. External signal isolation is accomplished by providing insulation on the interface cable between the missile and the launcher system to attenuate high frequency electromagnetic radiation signals. The present invention is implemented using an unconventional combination of technologies that includes the use of composite materials, vapor deposited conductive coatings, high frequency dielectric insulation filtering, and high frequency coupling of the radiation on the surface of the enclosure and the launcher system.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: July 18, 1995
    Assignee: Hughes Missile Systems Company
    Inventor: John R. Hufault
  • Patent number: 5428915
    Abstract: A detachable mount for a rifle telescope sight includes front and rear clamp support bases configured for attachment to a rifle, the bases having in their lateral side walls a plurality of detents arranged to receive the rounded ends of mounting screws extending through laterally spaced legs on front and rear scope clamp members configured for mounting on a telescope sight. The plurality of detents on the front base are arranged on a common axis that extends parallel to the longitudinal axis of the rifle barrel, and the plurality of detents on the rear base are arranged on a common axis that extends obliquely with respect to the axis of the front base detents, whereby to enable adjustment of the longitudinal axis of the telescope sight vertically relative to the rifle barrel. The spacing between the detents on the front base is different from the spacing between the detents on the rear base, whereby to ensure that a removed telescope sight must be returned to the same detents from which it had been removed.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: July 4, 1995
    Inventor: Kory A. King
  • Patent number: 5426880
    Abstract: An elongated configured spring which biases the trigger bar of a pistol rearwardly and upwardly and engages the slide top latch to prevent its transverse movement. The spring is anchored in the frame and trigger bar under tension. The spring is long and narrow requiring little space in the firearm.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: June 27, 1995
    Assignee: Sturm, Ruger & Company, Inc.
    Inventors: William B. Ruger, James McGarry, William T. Atkinson
  • Patent number: 5423143
    Abstract: A method that limits the amount of time that a hand weapon can be discharged during use, an apparatus that limits the area of usefulness of a hand weapon, an apparatus for preventing the discharging of a hand weapon based on the weapon having been in an attitude that is good for concealed carrying, a method and an apparatus for preventing the discharging of a hand weapon that has had a part not necessary for the discharging of the weapon removed to increase concealability, an apparatus that transmits an identifying signal from a hand weapon under various conditions, a means necessary for the firing of a hand weapon that provides a detectable magnetic field in the vicinity of the hand weapon, an apparatus for preventing the discharging of a hand weapon based on a magnetic field that can be created in location where the weapon is likely to be used for criminal purposes and an apparatus for preventing the discharging of a hand weapon based on a radio field that can be created in a location where the weapon is li
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: June 13, 1995
    Inventor: John M. Martin
  • Patent number: 5423263
    Abstract: A detonator-to-shock tube ignition transfer connector for bi-directional explosive transfer from a detonator to one or more shock tubes is disclosed wherein the connector has a housing defining a barrel portion for enclosing a detonator assembly, the barrel portion having an opening at both ends, and a coupling attached to one end of the barrel portion. The coupling and the barrel portion form a coupling channel for holding shock tubes within the path of an explosive force created when a detonator assembly positioned in the barrel portion is ignited, thereby initiating the shock tubes. The invention also includes a collar lock for holding the detonator assembly within the barrel portion and preventing the detonator assembly from being accidentally removed.
    Type: Grant
    Filed: April 1, 1994
    Date of Patent: June 13, 1995
    Assignee: Dyno Nobel, Inc.
    Inventors: Daniel Rontey, David Steedman
  • Patent number: 5419232
    Abstract: An elastomeric shutter mechanism for opening and closing a passageway in wall of a vessel, such as a submarine hull. A single, unitary, retractable shutter member made of an elastomeric material is partially attached to the wall around a portion of a passageway. The single, unitary, retractable shutter member is moveable from a closed position when the unattached portion of the shutter member is abutting the wall around the passageway to an open position when the unattached portion of the shutter member is retracted away from the wall around the passageway. Cables are attached to the inside surface of the shutter member for retracting the shutter member and opening the passageway. Mechanical stops are positioned inside of the vessel for abutting the shutter member when retracted to the open position by the cables.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: May 30, 1995
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Clifford M. Curtis
  • Patent number: 5417139
    Abstract: Apparatus and method are provided whereby a single rocket or other projectile can be used to deploy a flexible array such as a net. There is provided to the rocket, via a sleeve and an attached flexible nose cone cap, a pair of pivoted, telescoping arms. The rocket is placed in a launch tube that has guides for the rocket, accommodates the swing arms, and has guides for the tow cables for the net. When the rocket is launched from the launch tube, the arms are swung apart on their single pivot such as with one or more loaded springs. After the arms have been swung out, they are held in place such as by a clam shell catch spring. While or after the spring-loaded arms are spread into place, the telescoped arms are extended such as by triggering a gas generator. Tow cables, one attached to each extreme end of an arm, spread out the net while the rocket is pulling it. Stabilization cables are provided that provide a central point of tow contact and better distribute some loads.
    Type: Grant
    Filed: October 1, 1993
    Date of Patent: May 23, 1995
    Assignee: Unisys Corporation
    Inventors: James D. Boggs, John M. Geiger
  • Patent number: 5416999
    Abstract: This invention relates to a lightweight, shoulder-fired, flat-trajectory, disposable, multi-shot weapon system. In particular, this invention relates to a disposable weapon system which is designed to shoot ammunition rounds capable of penetrating one inch or more of rolled homogenous armor. Specifically, the present invention provides a deposable weapon system in which the materials are chosen to minimize weight, to cut the production cost, and to maximize safety.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: May 23, 1995
    Inventor: William S. Coury
  • Patent number: 5417001
    Abstract: Firing mechanism for fire arms, includes a hammer (5) revolving between a "cocked" position and a "tumbled" position which makes contact with the striker (4), a tumbler (8) which can retain the hammer (5) in the cocked position, a trigger (13) which controls the tumbler (8), an assembly (20) to make the hammer (5) revolve from its cocked position towards the striker (4) of the arm when the hammer (5) is released by the tumbler (8), and a security device containing a bolt element (27) which can be manually locked and which can lock the trigger (13). The bolt element (27), in the security position, not only cooperates with the trigger (13), but simultaneously with the assembly (20) to make the hammer revolve in order to prevent the hammer (5) from knocking against the striker (4) as long as the bolt element (27) is in its security position.
    Type: Grant
    Filed: July 14, 1994
    Date of Patent: May 23, 1995
    Assignee: Browning SA
    Inventor: Joseph F. N. Rousseau
  • Patent number: 5415073
    Abstract: A recoil reducer (70) attachable to the muzzle end of a rifle (71), handgun (73, 75), or shotgun to reduce the recoil force produced when the weapon is discharged. An elongate, hollow recoil tube (74, 102) attaches either directly to the muzzle (recoil tube 102) or with an adapter tube (72). The recoil tube has a uniform inner diameter along its length which at least corresponds to the bore of the weapon. The recoil reducer tube has a plurality of slots (90) extending longitudinally of the recoil reducer tube and spaced circumferentially thereabout. Outwardly extending gas deflectors (94) are formed at one end of the recoil reducer tube for discharge gases expelled through the slots to impact curved rear walls (98) of the deflectors. The discharge gasses are directed rearwardly by the deflectors to reduce the weapon's recoil.
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: May 16, 1995
    Inventor: Gary Ciluffo
  • Patent number: 5415099
    Abstract: In a push-type safety lever, a contact surface between a safety lever and a trigger lever is slanted. In a rotation-type safety lever, its circumferential surface is gradually increased in radiuses from an area in which a safety lever does not contact a trigger lever to an area in which it contacts the trigger lever. A mechanical ignition sensor is thereby provided so as to prevent the safety lever and the trigger lever from catching on each other and to reliably operate the safety device.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: May 16, 1995
    Assignee: Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho
    Inventors: Yasuho Kitazawa, Kenji Matsui
  • Patent number: 5415074
    Abstract: The inbore sub-caliber device has spaced apart front and rear adapter plate members, each of which has an opening formed therethrough. A plurality of spaced apart rods extend between the front and rear adapter plate members to locate the openings in the front and rear adapter plate members in alignment. Support structure is coupled to the rear adapter plate. A gun comprising an elongated barrel and a rear receiver member is secured to the support structure. The barrel is supported in alignment with the openings in the front and rear plate members with at least a portion of the receiver located rearward of the rear plate member and the front end of the barrel located forward of the rear plate member to allow a bullet when fired to pass from the front end of the barrel by way of the opening of the front plate member.
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: May 16, 1995
    Inventor: Phillip R. Fields
  • Patent number: 5415075
    Abstract: A firearm having a moveable breech locking barrel supported on a receiver by an offset barrel cam lug which cooperates with a wall of the receiver to provide space between the lug and the receiver wall to receive therebetween portions of a trigger and an associated trigger bar when the barrel moves to an unlocked position.
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: May 16, 1995
    Inventor: Kook-Jin Moon
  • Patent number: H1451
    Abstract: An acoustic training device for simulating the effects of a weapon posing omnidirectional threat in a tactical engagement simulation system generates an audible signal of a predetermined frequency and duration once activated. The amplitude of the signal generated corresponds to the kill-zone of the weapon being simulated. The signal may be modulated so as to produce a predetermined number of pulses which are easily distinguished from other noises associated with the tactical exercise.
    Type: Grant
    Filed: December 1, 1992
    Date of Patent: June 6, 1995
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Carl J. Campagnuolo
  • Patent number: H1454
    Abstract: Apparatus and methods for encasing a sanitary napkin in a pouch which eliminates the need for release paper strips and provides for the disposal of the napkin.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: June 6, 1995
    Assignee: Nordson Corp.
    Inventors: Carl C. Cucuzza, John M. Raterman
  • Patent number: H1465
    Abstract: A sleeve or collar for preventing the migration of infection along the length of an implanted lead. The sleeve or collar is given anti-microbial properties, as by embedding therein or coating with anti-microbial substance. At the time that a changeable portion of an implantable device is changed-out, e.g., when the pulse generator in a pacemaker system must be replaced due to battery depletion, the collar or sleeve in accordance with the present invention is affixed to the lead and slid as far distal along the lead as possible, in order to ensure that a barrier is established to prevent the migration of infection to the extreme distal end of the lead. In one embodiment of the invention, the collar or sleeve can serve the dual purposes of establishing an infection barrier and of facilitating the anchoring of the lead in place.
    Type: Grant
    Filed: September 8, 1993
    Date of Patent: July 4, 1995
    Assignee: Medtronic, Inc.
    Inventor: Kenneth B. Stokes