With Recoil Check Patents (Class 89/42.01)
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Patent number: 11629927Abstract: A recoil assembly for a rifle includes a barrel assembly, a bolt, bolt actuator, and a buffer assembly. The barrel assembly includes a barrel secured to a barrel extension. The barrel assembly is configured to be movably received through the fore end of a receiver and to move axially relative to the upper receiver when the rifle is fired. The barrel extension is coupled to a hydraulic buffer assembly located below the barrel extension and counteracts recoil forces acting on the barrel extension when the rifle is fired. An op-rod spring is coupled to an op rod extending from a gas piston assembly on the barrel. The op-rod spring counteracts recoil forces acting the bolt actuator when the rifle is fired.Type: GrantFiled: December 8, 2021Date of Patent: April 18, 2023Assignee: Sig Sauer, Inc.Inventors: David Luke Steimke, Jeffery John Melochick, Andrew Phillip Loriot, Jacob Thomas Shawley, Lindsay Lee Bunch
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Patent number: 11150047Abstract: Recoil-reducing firearm including a compensating inertial mass coupled to the firearm by a flexible and resilient mass support, where the mass support permits translation of the compensating inertial mass along a translation axis but substantially prevents movement of the compensating inertial mass in a direction orthogonal to the translation axis. The mass support is configured so that movement of the compensating inertial mass in a distal direction can at least partially dissipate energy imparted to the firearm by firing a round of ammunition and impelling the projectile down the barrel.Type: GrantFiled: July 25, 2019Date of Patent: October 19, 2021Assignee: The Boeing CompanyInventor: Steven Griffin
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Patent number: 11054212Abstract: The invention relates to an external chassis for a long firearm, the precision of which is increased owing to: 1. The incorporation of an external chassis, inside which the firearm is installed. 2. The anchoring of the firearm telescopically inside the external chassis using sliding rings with minimum friction. 3. The inclusion of a movement absorbing element. 4. The inclusion of guide bushings that limit the movement of the firearm to a single axis. With the above elements arranged as shown in the drawings, the inherent recoil produced in a firearm at the moment of firing, owing to the action-reaction effect of the stock-projectile assembly or the stock-discharge system, is suppressed and absorbed by the proposed invention, such that the stock remains immobile and no movement is transmitted to the shooter.Type: GrantFiled: December 5, 2018Date of Patent: July 6, 2021Inventor: Jose Antonio Dominguez Vazquez
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Patent number: 10156422Abstract: A firearm stock assembly includes a firearm stock and a recoil reduction device. The recoil reduction device includes a butt plate and a first collapsible element connected between a butt end of the firearm stock and the butt plate. The first collapsible element is configured to maintain a fixed distance between the butt end and the butt plate until a compressive force between the firearm stock and the butt plate reaches a recoil threshold.Type: GrantFiled: March 10, 2015Date of Patent: December 18, 2018Inventor: Norman A. Valin
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Patent number: 9097475Abstract: A gas operating system for a firearm renders the firearm capable of firing a wide range of shot loads by passively or automatically compensating for different shot loads. The firearm includes a plurality of ports formed in the firearm barrel, and corresponding ports formed in a gas block of the gas operating system. The ports tap gases generated during firing which are used to cycle the firearm. When firing different cartridge loads, differing combinations of the ports are selectively at least partially blocked or otherwise obstructed by the cartridge casing according to the size of the cartridge. Additionally, the gas operating system includes compensating gas pistons with internal relief valves that can bleed off excess gas to compensate for larger shot loads regardless of the size of the cartridge.Type: GrantFiled: March 13, 2013Date of Patent: August 4, 2015Assignee: RA Brands, L.L.C.Inventor: Jonathan Ricks
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Patent number: 8925892Abstract: The invention relates to a support device for the gun sight of a military vehicle, incorporating a head to which the gun sight is fastened and a foot which is integral with the vehicle, the head being integral with a column with a vertical axis which is introduced into the foot, the column being made integral with the foot by spring means wherein the spring means are constituted in the form of tongues arranged along at least two parallel planes perpendicular to the vertical axis of the support, each plane incorporating at least three tongues evenly spaced angularly around the column and integral with it by a first end and integral with the foot by their second end, these spring means imparting stiffness to the link between the column and the foot that is less along the vertical axis than along the other directions (X, Y) orthogonal to this vertical axis.Type: GrantFiled: November 16, 2011Date of Patent: January 6, 2015Assignee: Nexter SystemsInventor: Olivier Germenot
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Patent number: 8857312Abstract: In some embodiments, an adapter for attaching a handheld firearm to an unmanned air vehicle comprises a mounting assembly configured for attachment to said firearm and to the unmanned air vehicle, and an actuation assembly comprising an actuation device configured to actuate a trigger of the handheld firearm.Type: GrantFiled: October 30, 2012Date of Patent: October 14, 2014Assignee: Alliant Techsystems Inc.Inventors: Kent C. Nelson, Kenneth Nash, Dennis C. Philpot
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Patent number: 8707846Abstract: The invention relates to a weapon (1), constructed relatively simply and compactly, for shooting ammunition (2), with a barrel (3) with recoil and a braking device (12) damping the barrel recoil. According to the invention, a plastically deformable absorption body (12) is used as the braking device (12) for reducing the recoil energy. Thus, a weapon assembly for firing ammunition is provided, wherein the weapon assembly includes: (a) a weapon including a weapon barrel provided with a recoil spring that holds the weapon barrel in an initial position; and (b) a braking device that damps barrel recoil of the weapon barrel when firing ammunition, wherein the braking device is a plastically deformable absorption body.Type: GrantFiled: May 5, 2011Date of Patent: April 29, 2014Assignee: Rheinmetall Waffe Munition GmbHInventor: Anke Hasenkox
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Publication number: 20130269507Abstract: Disclosed are a soft recoil system and a cannon having the same. The soft recoil system includes: a cannon barrel returning device mounted to a recoil device for absorbing a recoil force occurring when ammunition is fired, and configured to backward press a breech ring, such that the cannon barrel is fixed to a preset position; a cannon barrel fixing device installed at the recoil device, and configured to fix the cannon barrel when the cannon barrel returns to the fixed position; and a forward momentum generator connected to the recoil device and the breech ring, respectively, configured to forward move the cannon barrel by applying a force to the breech ring, such that the ammunition is fired while the cannon barrel forward moves, and configured to reduce a recoil force by partially attenuating recoil momentum resulting from the firing of the ammunition, by forward momentum.Type: ApplicationFiled: November 16, 2012Publication date: October 17, 2013Inventors: Sang-Tae AHN, Kuk-Jeong KANG, Chang-Ki CHO, Sang-Bae JUN
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Patent number: 8413570Abstract: An ejection and recovery system for a disrupter barrel has a parachute. A housing having a channel formed there through is provided wherein the disrupter barrel is positioned in the channel. A tube is coupled to the housing for storing the parachute. A lanyard is coupled to the parachute and to the disrupter barrel.Type: GrantFiled: May 27, 2011Date of Patent: April 9, 2013Inventor: F. Richard Langner
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Patent number: 8333141Abstract: A recoil absorbing assembly is provided for automatic weapons secured to a weapon cradle having a fixed portion and a portion movable longitudinally thereto, the fixed cradle portion being rotatably mounted to a support, including a recoil absorbing spring and friction device arranged in connection with the cradle portions. Further the friction device includes a main shaft provided with angled friction blocks and a movable bearing housing surrounding the main shaft and having free floating pistons as to cooperate with the friction blocks, the recoil absorbing spring being situated on the main shaft in elongation of the bearing housing.Type: GrantFiled: February 24, 2010Date of Patent: December 18, 2012Assignee: Vinghog ASInventors: Sigvart Schøning-Olsen, Jan Marius Hektoen
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Patent number: 8297172Abstract: In some embodiments, an adapter for attaching a handheld firearm to an unmanned air vehicle comprises a mounting assembly configured for attachment to said firearm and to the unmanned air vehicle, and an actuation assembly comprising an actuation device configured to actuate a trigger of the handheld firearm.Type: GrantFiled: November 12, 2008Date of Patent: October 30, 2012Assignee: Alliant Techsystems Inc.Inventors: Kent C. Nelson, Kenneth Nash, Dennis C. Philpot
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Patent number: 8297174Abstract: A weapon may include a translatable recoil mass and two translatable counterweights disposed on opposite sides of the recoil mass. Each counterweight may have a mass that is substantially one-half a mass of the recoil mass. A pair of racks may be fixed to respective ones of the counterweights and a second pair of racks may be fixed to opposites sides of the recoil mass. Pinions may engage the counterweight and recoil mass racks. A receiver may be fixed with respect to the recoil mass and the pair of counterweights. The directions of translation of the recoil mass are substantially opposite directions of translation of the two counterweights.Type: GrantFiled: October 28, 2009Date of Patent: October 30, 2012Assignee: The United States of America as Represented by the Secretary of the ArmyInventors: Kevin Russell, Eric Binter, Adam Jacob, Hansen Lukman
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Publication number: 20120180644Abstract: An ejection and recovery system for a disrupter barrel has a parachute. A housing having a channel formed there through is provided wherein the disrupter barrel is positioned in the channel. A tube is coupled to the housing for storing the parachute. A lanyard is coupled to the parachute and to the disrupter barrel.Type: ApplicationFiled: May 27, 2011Publication date: July 19, 2012Inventor: F. Richard Langner
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Patent number: 8161863Abstract: A recoil-actuated gun scavenger for a gun having a bore, a breech, a recoiling mass, and a non-recoiling mass. The scavenger may include a pneumatic cylinder and a piston translatable therein. A rod may be fixed to the piston. The cylinder and rod may be fixed to respective recoiling and non-recoiling masses, or vice versa. The cylinder may include intake and exhaust ports with check valves, on both sides of the piston. The exhaust ports may communicate with an accumulator. The accumulator may discharge compressed air to jets located at the open breech end of the gun.Type: GrantFiled: December 13, 2010Date of Patent: April 24, 2012Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Jeffrey W. Haas
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Patent number: 8061259Abstract: A light weight field howitzer includes a barrel which is supported by a cradle constructed from hollow members and which is pivotally mounted about a trunnion bearing secured to a chassis. The trunnion bearing lies on the barrel axis and is positioned beyond the limit of maximum recoil of the barrel. Front stabilisers and rear trail support legs are provided to spread the load of the howitzer and spades are rigidly secured to the chassis. The howitzer includes a single hydraulic accumulator arrangement constituting a combined recoil buffer and recuperator system. A barrel elevating means is provided comprising a geared manual means assisted by a precompressed gas system.Type: GrantFiled: June 7, 1995Date of Patent: November 22, 2011Assignee: BAE SYSTEMS plcInventors: Harold Leslie Searle, David Andrew Eaglestone, James Bone
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Publication number: 20110174149Abstract: In weapon shot is fired during counterrecoil. The counterrecoil energy damps the recoil energy. During recoil, the breech block is unlocked, the spent cartridge case is ejected from the barrel by the residual pressure of the powder gases and is directed by a deflector into a hole in the gun carriage. When recoiling into the aftmost position, the barrel approaches the projectile and locks it by means of the breech block. Meanwhile, the next cartridge is taken from a magazine. In the event of misfire, the barrel, continuing to counterrecoil, actuates an extractor for removing the defective projectile. A recoil imitator returns the barrel to the aftmost position, where it is loaded with a projectile in a manner similar to the post-firing recoil. The technical result is ability to load the weapon automatically before firing or to reload the weapon automatically in the event of misfire.Type: ApplicationFiled: November 27, 2009Publication date: July 21, 2011Inventor: Yurij Igorevich Donetsky
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Publication number: 20110168007Abstract: A device for delaying a recoil action of a recoil system of a weapon intended to fire projectiles out from a barrel. The device includes a housing removably mountable onto the recoil system, a rod being movable along opposite first and second directions in response to a corresponding movement of the piston end of the recoil system, and a damping assembly contained in the housing and cooperating with a distal extremity of the rod. When in use, the damping assembly provides a damping effect to the distal extremity when the rod is moved along the first direction, the damping effect being configured so that the recoil action of the recoil system is delayed by a time corresponding substantially to a time of travel of a projectile inside the barrel of the weapon before being fired out of said barrel, for improving firing accuracy and other parameters of the weapon.Type: ApplicationFiled: March 29, 2010Publication date: July 14, 2011Inventor: Antoni Binek
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Publication number: 20100269681Abstract: An inertial isolation and alignment system for a sensitive component or apparatus affixed to a mortar barrel comprising a barrel clamp assembly which supports two parallel bearing rail followers and pointing device cage assembly which supports two parallel linear bearing rails. The bearing rail followers and linear bearing rails form a simple sliding contact linear motion bearing system. The bearing rail followers on the barrel clamp assembly allow the cage assembly to slide freely along the length of the linear bearing rails. During firing, the travel vector is decoupled from the cage assembly by the bearing rail followers as they move with the barrel along the linear bearing rails leaving the cage assembly suspended in inertial space. The cage assembly then accelerates under the force of gravity over the distance of the displaced travel of the bearing rail followers back to its rest position landing on dampers, each on a linear bearing rail.Type: ApplicationFiled: February 14, 2007Publication date: October 28, 2010Applicant: Honeywell International Inc.Inventors: John M. Shipman, Daniel E. Burkholder, Richard L. Bissell
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Publication number: 20100011951Abstract: A gun comprising: a generally tubular barrel defining a barrel axis and having an external barrel surface about the perimeter of the tubular barrel a cradle having a cradle bore for accommodating a section of the barrel wherein the barrel is slidably mounted in the cradle bore such that the barrel can move relative to the cradle along the barrel axis across a range of barrel positions and wherein an interface defined by the slidable contact between external barrel surface and the cradle bore—i) prevents rotation of the barrel relative to the cradle about the barrel axis; and ii) is maintained at a single section of the cradle over the entire range of barrel positions.Type: ApplicationFiled: December 16, 2008Publication date: January 21, 2010Inventors: David Andrew Eaglestone, Stephen Wildgoose
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Patent number: 7493845Abstract: A recoil mechanism for a gun with a frame, a barrel and a slide, has a cylinder with a rear with external flange and an internal diaphragm spaced forwardly of the flange and between a rear chamber and a front chamber in the cylinder. A nut is fixed to the frame and an axle has a rear end threaded to the nut and extends in the cylinder. The axle has a collar trapped in the front chamber by the diaphragm. A first spring around the cylinder, has a front end abutting the slide and a rear end abutting the flange. A second spring extending at least partly in the rear chamber has a rear end abutting the nut and a front end abutting the diaphragm. A third spring in the front chamber, is shorter in length than the front chamber. A recoil adjusting plug is used with or without the recoil mechanism.Type: GrantFiled: April 23, 2008Date of Patent: February 24, 2009Inventor: Dimitrios Mantas
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Patent number: 7380487Abstract: A recoil reduction mechanism for a gun includes two successive springs cooperating with a cylinder, an axle and a magnet. The magnet attracts the gun's slide and the cylinder, in a direction opposite of the slide's and the cylinder's recoil direction. A third spring, because of its position and size, acts as an extra suspension for the gun's recoil, and as an accelerator for the slide's reciprocating motion.Type: GrantFiled: June 2, 2003Date of Patent: June 3, 2008Inventor: Dimitrios Mantras
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Patent number: 7350452Abstract: A fire arm with improved salvo accuracy, having a barrel and a casing mounted on a supporting frame, whereby the frame comprises a cradle provided with a slide which can slide in a direction which is mainly parallel to the axis of the barrel. The casing is mounted on the slide of the cradle on a transversal hinge pin, and on the frame via at least one shoe mounted in a sliding guide provided in the frame. The sliding guide is inclined in relation to the direction of the axis of the barrel at rest.Type: GrantFiled: January 25, 2006Date of Patent: April 1, 2008Assignee: FN Herstal S.A.Inventors: Philippe Plumier, Charles Demoulin, Guiseppe Librici
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Patent number: 7273002Abstract: A device and method for increasing the rate of the firing cycle of a semi-automatic firearm includes a base that is adapted to support any one of a variety of semi-automatic firearms. The base includes a trigger extension with a grip, a slide mount, and a slide housed within the slide mount. At least the receiver, barrel, and trigger assembly of the firearm are secured to the base so that they may move as a single unit upon the base between a rearward position upon discharge of the firearm and a forward position. A biasing means continuously biases the receiver, barrel, and trigger assembly upon the base toward the forward position to effect successive discharges of the firearm.Type: GrantFiled: February 18, 2005Date of Patent: September 25, 2007Assignee: AW-SIM, LLCInventor: Steve Rogers
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Patent number: 6889594Abstract: A recoil mitigation apparatus for a projectile-firing device, such as an explosives disrupter, is provided. At least one brake shoe is positioned proximate the projectile-firing device and means are provided for urging the at least one brake shoe toward the projectile-firing device. The urging of the at least one brake shoe provides a frictional force to mitigate the recoil of the projectile-firing device. In a preferred embodiment, at least one pair of brake shoes are provided. In a further preferred embodiment, the each of the at least one pair of brake shoes are positioned in a facing, spaced apart relationship and the at least one pair of brake shoe combination is positioned in a coaxial relationship to the projectile-firing device.Type: GrantFiled: February 28, 2003Date of Patent: May 10, 2005Assignee: Battelle Memorial InstituteInventors: Harvey Nelson Ebersole, Jr., Bradley G. DeRoos
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Patent number: 6789456Abstract: A braking system is provided for mitigating the linear or rotational motion of an object having an axis, the linear or rotational motion being coaxial with the axis. In particular, the motion is the type which is the result of an impulse imposed over a short period of time, typically less than one second. The object whose linear or rotational motion is to be mitigated is disposed coaxially within a tube. The braking system includes at least one brake shoe positioned within an annular free space defined by the outer surface of the object and the inner surface of the tube. The at least one break shoe may be urged against the outer surface of the object or the inner surface of the tube to effect the mitigation.Type: GrantFiled: February 28, 2003Date of Patent: September 14, 2004Assignee: Battelle Memorial InstituteInventors: Bradley G. DeRoos, Harvey N. Ebersole, Jr.
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Publication number: 20040154465Abstract: A recoil brake isolation system for the hydraulic recoil brake cylinder of a large caliber gun, includes two sets of hydraulic valves disposed respectively within the inlet valve block and return valve block of the hydraulic cylinder, an orchestrated combination of which together block the flow of hydraulic fluid to or from the hydraulic cylinder during the recoil/counterrecoil cycle or upon failure of the hydraulic circuit. A method of hydraulically isolating a recoil brake cylinder of a large caliber gun for survivability and improved weapon performance and a gun incorporating such a system are also included.Type: ApplicationFiled: December 17, 2002Publication date: August 12, 2004Inventor: Joel Martin
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Patent number: 6748844Abstract: A recoil buffering apparatus for use with an artillery gun of the type comprising a breech assembly (15) connected to a barrel (12), the breech assembly (15) having a firing mechanism for firing a projectile through an open end of the barrel (12). The recoil buffering apparatus comprises a recoil buffering means adapted to be fixed to the barrel (12) and movable therewith during recoil action of the barrel (12) caused by firing of the projectile, and a support means associated with the recoil buffering means for supporting the recoil buffering means and thereby supporting the barrel (12) and breech assembly (15) through the recoil buffering means. An elevating apparatus and a traversing apparatus for an artillery gun are also described. The artillery gun can also be provided with a muzzle brake (11).Type: GrantFiled: September 27, 2002Date of Patent: June 15, 2004Assignee: Ordnance Development and Engineering Company of Singapore (1996) Pte LTDInventor: Teoh Hwa Ang
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Patent number: 6745663Abstract: A recoil-mitigated projectile-firing device comprising a firing assembly, the firing assembly comprising the projectile-firing device secured within a tube and the recoil-mitigated projectile-firing device further comprising a brake assembly surrounding a portion of the tube. The brake assembly comprising at least one brake shoe supported within a frame and means for urging the at least one brake shoe against the outer surface of the tube. When the projectile-firing device is discharged, the firing assembly moves relative to the brake assembly and the frictional force mitigates the recoil.Type: GrantFiled: February 28, 2003Date of Patent: June 8, 2004Assignee: Battelle Memorial InstituteInventors: Harvey N. Ebersole, Paul T. Ratajczak, James F. Mank
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Patent number: 6644168Abstract: A system and method for absorbing a recoil force in a weapon is provided. A recoil mechanism includes a housing that contains a hydraulic fluid and has an inner wall defining a first chamber and a second chamber within the housing. The inner wall has at least one orifice that connects the first and second chambers. A piston is slidably disposed within the first chamber of the housing. A shuttle valve is slidably disposed within the first chamber of the housing and has at least one orifice configured to align with the at least one orifice in the inner wall of the housing to define a fluid passageway between the first and second chambers. A shuttle valve control is operable to generate a magnetic field in response to an applied current to control the movement of the shuttle valve to thereby control the size of the fluid passageway between the first and second chambers.Type: GrantFiled: August 12, 2002Date of Patent: November 11, 2003Assignee: General Dynamics Armament and Technical Products, Inc.Inventors: Jerry M. Browne, Kenneth Wynes, Gary Bowrey
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Publication number: 20030200862Abstract: A recoil mitigation apparatus for a projectile-firing device, such as an explosives disrupter, is provided. At least one brake shoe is positioned proximate the projectile-firing device and means are provided for urging the at least one brake shoe toward the projectile-firing device. The urging of the at least one brake shoe provides a frictional force to mitigate the recoil of the projectile-firing device. In a preferred embodiment, at least one pair of brake shoes are provided. In a further preferred embodiment, the each of the at least one pair of brake shoes are positioned in a facing, spaced apart relationship and the at least one pair of brake shoe combination is positioned in a coaxial relationship to the projectile-firing device.Type: ApplicationFiled: February 28, 2003Publication date: October 30, 2003Inventors: Harvey Nelson Ebersole, Bradley G. DeRoos
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Publication number: 20030154850Abstract: A braking system is provided for mitigating the linear or rotational motion of an object having an axis, the linear or rotational motion being coaxial with the axis. In particular, the motion is the type which is the result of an impulse imposed over a short period of time, typically less than one second. The object whose linear or rotational motion is to be mitigated is disposed coaxially within a tube. The braking system includes at least one brake shoe positioned within an annular free space defined by the outer surface of the object and the inner surface of the tube. The at least one break shoe may be urged against the outer surface of the object or the inner surface of the tube to effect the mitigation.Type: ApplicationFiled: February 28, 2003Publication date: August 21, 2003Inventors: Bradley G. DeRoos, Harvey N. Ebersole
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Publication number: 20030154851Abstract: A recoil-mitigated projectile-firing device comprising a firing assembly, the firing assembly comprising the projectile-firing device secured within a tube and the recoil-mitigated projectile-firing device further comprising a brake assembly surrounding a portion of the tube. The brake assembly comprising at least one brake shoe supported within a frame and means for urging the at least one brake shoe against the outer surface of the tube. When the projectile-firing device is discharged, the firing assembly moves relative to the brake assembly and the frictional force mitigates the recoil.Type: ApplicationFiled: February 28, 2003Publication date: August 21, 2003Inventors: Harvey N. Ebersole, Paul T. Ratajczak, James F. Mank
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Patent number: 6578464Abstract: A recoil mitigation device is provided for a projectile-firing device, such as an explosives disrupter, in which a brake is attached to a barrel of the projectile-firing device and the projectile-firing device/brake combination is positioned coaxially within a tube, the tube secured to a frame or other suitable foundation. The brake includes two or more brake shoes positioned within an annular free space defined by the outer surface of the barrel and the inner surface of the tube and adapted to frictionally contact the inner surface of the tube. An apparatus is attached to the barrel for limiting the lateral movement of the brake shoes and there is an apparatus for urging the brake shoes in an outward radial direction against the inner surface of the tube, whereby when a projectile is fired from the barrel, the brake mitigates the recoil of the projectile-firing device.Type: GrantFiled: August 29, 2001Date of Patent: June 17, 2003Assignee: Battelle Memorial InstituteInventors: Harvey Nelson Ebersole, Jr., Bradley Gene DeRoos
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Publication number: 20030051600Abstract: A weapon having a barrel (3) supported in a cradle (2) for axial recoil movement, and having a breech block wedge (7) displaceable, transversely to the barrel axis (6) by a control unit (11) connected to the cradle and acting on a piston rod (8). The control unit (11) includes a spring-loaded shift rod (13) aligned with the piston rod (8), a spring-loaded control rod (15) aligned with a control cam (10) secured to the breech ring (4), and a detent pawl (17) that can be pivoted by a cam (16) from a blocking to a release position. The piston and shift rods (8, 13) are disposed such that during forward motion of the barrel (3), the breech block wedge (7) is already opened by axial displacement of the rods (8, 13) before the control cam (10) displaces the control rod (15).Type: ApplicationFiled: September 4, 2002Publication date: March 20, 2003Inventors: Heinz Gunter Breuer, Hans Hulsewis
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Publication number: 20030041724Abstract: A recoil mitigation device is provided for a projectile-firing device, such as an explosives disrupter, in which a brake is attached to a barrel of the projectile-firing device and the projectile-firing device/brake combination is positioned coaxially within a tube, the tube secured to a frame or other suitable foundation. The brake includes two or more brake shoes positioned within an annular free space defined by the outer surface of the barrel and the inner surface of the tube and adapted to frictionally contact the inner surface of the tube. An apparatus is attached to the barrel for limiting the lateral movement of the brake shoes and there is an apparatus for urging the brake shoes in an outward radial direction against the inner surface of the tube, whereby when a projectile is fired from the barrel, the brake mitigates the recoil of the projectile-firing device.Type: ApplicationFiled: August 29, 2001Publication date: March 6, 2003Applicant: Battelle Memorial InstituteInventors: Harvey Nelson Ebersole, Bradley Gene DeRoos
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Publication number: 20030024379Abstract: A recoil buffering apparatus for use with an artillery gun of the type comprising a breech assembly (15) connected to a barrel (12), the breech assembly (15) having a firing mechanism for firing a projectile through an open end of the barrel (12). The recoil buffering apparatus comprises a recoil buffering means adapted to be fixed to the barrel (12) and movable therewith during recoil action of the barrel (12) caused by firing of the projectile, and a support means associated with the recoil buffering means for supporting the recoil buffering means and thereby supporting the barrel (12) and breech assembly (15) through the recoil buffering means. An elevating apparatus and a traversing apparatus for an artillery gun are also described. The artillery gun can also be provided with a muzzle brake (11).Type: ApplicationFiled: September 27, 2002Publication date: February 6, 2003Applicant: ORDNANCE DEVELOPMENT AND ENGINEERING COMPANY OF SINGAPORE (1996) PTE LTD.Inventor: Teoh Hwa Ang
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Patent number: 6347568Abstract: A guide system for the recoiling mass of a gun relative to its cradle, the recoiling mass being equipped with a carrier that slides relative to sliders attached to two lateral slides. The carrier is provided with a rail incorporating a groove in which a slider is disposed. Each groove has a shape preventing the slider received therein from being extracted from it. Each slider is attached to a support. The combination of carriers and sliders is adjustable relative to the slides, by the supports, to compensate for wear.Type: GrantFiled: July 26, 2000Date of Patent: February 19, 2002Assignee: Giat IndustriesInventor: Gérard Soulaigre
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Publication number: 20010006018Abstract: A recoil buffering apparatus for use with an artillery gun of the type comprising a breech assembly (15) connected to a barrel (12), the breech assembly (15) having a firing mechanism for firing a projectile through an open end of the barrel (12). The recoil buffering apparatus comprises a recoil buffering means adapted to be fixed to the barrel (12) and movable therewith during recoil action of the barrel (12) caused by firing of the projectile, and a support means associated with the recoil buffering means for supporting the recoil buffering means and thereby supporting the barrel (12) and breech assembly (15) through the recoil buffering means. An elevating apparatus and a traversing apparatus for an artillery gun are also described. The artillery gun can also be provided with a muzzle brake (11).Type: ApplicationFiled: December 12, 2000Publication date: July 5, 2001Applicant: ORDNANCE DEVELOPMENT AND ENGINEERING COMPANY OFInventor: Teoh Hwa Ang