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WO2012051627A1 - Système de rampe adaptative pour une arme de type ak - Google Patents

Système de rampe adaptative pour une arme de type ak Download PDF

Info

Publication number
WO2012051627A1
WO2012051627A1 PCT/US2011/056600 US2011056600W WO2012051627A1 WO 2012051627 A1 WO2012051627 A1 WO 2012051627A1 US 2011056600 W US2011056600 W US 2011056600W WO 2012051627 A1 WO2012051627 A1 WO 2012051627A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail
weapon
adaptive
mount
distal end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2011/056600
Other languages
English (en)
Inventor
Andrew Edge
Thomas Dodge
Christopher Mitro
William Rhoades
Chris Bailey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Parabellum Innovations Corp
Original Assignee
Parabellum Innovations Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Parabellum Innovations Corp filed Critical Parabellum Innovations Corp
Publication of WO2012051627A1 publication Critical patent/WO2012051627A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G11/00—Details of sighting or aiming apparatus; Accessories
    • F41G11/001—Means for mounting tubular or beam shaped sighting or aiming devices on firearms
    • F41G11/003—Mountings with a dove tail element, e.g. "Picatinny rail systems"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G11/00—Details of sighting or aiming apparatus; Accessories
    • F41G11/001—Means for mounting tubular or beam shaped sighting or aiming devices on firearms
    • F41G11/005—Mountings using a pivot point and an anchoring point
    • F41G11/006—Mountings using a pivot point and an anchoring point the device being rotated in a horizontal plane

Definitions

  • This application relates broadly to the mounting of accessories onto weapons. More particularly, it concerns a device that interfaces with the built-in iron sights of a weapon, and allows for the mounting of accessories, optics, or other useful items to a weapon through the use of the MIL-STD M1913 Picatinny rail interface adaptively attached to the device.
  • the present invention relates to firearms and accessory mounts for securing accessories, such as optical sights, to firearms.
  • the AK-47 (Automat Kalashnikova 1947) is a gas-operated assault rifle designed by Mikhail Kalashnikov. It was standardized and adopted in 1947 and was originally produced by Russian manufacturers for wide-spread use in many Eastern bloc nations during military conflicts during the Cold War. It was one of the first and surely the most widely adopted assault rifle. The AK-47 and numerous variants were produced in greater numbers than any other assault rifle in the 20th century and continue to be manufactured in many countries, including the United States yet today. In addition to being produced as a rifle, the AK-47 may also be provided without a butt stock and be used as a pistol. For the purposes of this disclosure, the term "AK-47", "rifle” or
  • “weapon” includes all variants of the AK-47.
  • the AK-47 is provided with a notched rear tangent iron sight having a pivoting lever arm that is pinned at its forward or distal end. As issued, the sight lever arm is calibrated with numbers and graduations, each numeral denoting hundreds of meters.
  • the front sight located near the rifle muzzle, comprises a post that is adjustable for elevation (up and down) in the field. Windage adjustment (left to right) is typically done by the armory prior to issue.
  • the default sight setting is designed to places fired rounds within a few centimeters above or below the point of aim out to approximately 250 meters. This "point-blank range" setting allows the marksman to fire the rifle at any close target without adjusting the sights. Longer settings are intended for area suppression.
  • the AK-47's sights were fashioned to emulate the Mosin-Nagant and SKS rifles which the AK-47 replaced. This was done in order to ease transition and simplify training over to the new weapon.
  • the AK-47 is in the AK family of weapons and includes the Chinese Norinco, or
  • a tangent sight has a sliding member that bears on left and right walls having curved surfaces.
  • AK and its variants often were manufactured using stamped steel receivers, and so were not suited to conventional scope rail mounts, which are usually affixed by threaded fasteners after drilling and tapping a rifle's receiver.
  • the AK Adaptive Rail System hereinafter referred to as the "AKARS", as presented in the present disclosure utilizes the features of an existing iron sight affixed to a weapon to act as a host for the pivotable attachment of an AKARS to enable the additional weapon accessories, optics, lighting or other useful items to be mounted upon the host weapon without alteration to the rifle's receiver or any other portion the host weapon.
  • the present invention overcomes the above mentioned difficulties by providing an easily installed accessory mount for use with rifles equipped with tangent or ladder-style sights.
  • the present invention provides an easily-installed accessory mount comprising a replacement receiver cover fitted with a Picatinny or Weaver rail mounted upon its top surface.
  • the AKARS mount of the present invention has an elongated body with a distally projecting protuberance providing laterally mounting holes for a mounting pin on a distal end and the receiver cover release button at the proximal end.
  • the AKARS provides a rail affixed to the top surface of the AK-47 receiver cover permitting a universal mounting surface for optical sights or other rail-mounted accessories.
  • the AKARS in configured with V-shaped opposing lateral edges adapted to receive clamping attachments used with either Picatinny or WeaverTM style mounts.
  • the AKARS does not interfere with the mechanical operation of the AK-47 weapon in any manner.
  • the position where the AKARS attaches to the weapon does not get too hot to affect the accessories mounted thereto and it is easy to
  • the AKARS may released by pressing in the receive cover button and tilted up and forward to a generally vertical position. While the AKARS is in this disengaged condition, the weapon may be field stripped and cleaned without removal of the pivoting mount. Since the AKARS is securely and pivotally affixed to the rear sight base and since it is not removed from the rifle during routine cleaning, when the receiver cover re-engages the receiver, the sight pattern returns to zero and is ready to accurately engage the shooter's target.
  • One embodiment of the invention allows for removal of the receiver cover separate and apart from the rail portion of the AKARS.
  • the accessory mount does not permanently alter the firearm in any way, can be quickly and easily installed in the field, and provide the shooter with RTZ after the weapon is field stripped and cleaned.
  • the material for making the AKARS may be one of aluminum, steel, other metals or composites.
  • the AKARS may be finished in a number of ways, including anodizing, phosphate, painting, bluing or other suitable means of providing a suitably durable finish.
  • the AKARS may be manufactured by and combination of machining, molding and EDM.
  • One embodiment of the present invention is a hinged sight mounting system for an AK-47 series rifle.
  • the system is universally adaptable to all currently available models of AK-47.
  • the sight mounting system is affixed to a top cover of the rifle and includes an extension on a front portion that interfaces with a rear sight block on the rifle via a captured pin.
  • a rear portion of the sight mount comprises a fixed iron sight and a predetermined length of MIL-STD M1913 Picatinny rail interface.
  • the mounting system becomes a part of the rifle after installation and is held in place using existing components of the rifle.
  • One object of the present invention is an adaptive rail system for a weapon.
  • An elongate body is adapted to couple to a receiver cover of the weapon.
  • a rail extends from the body.
  • a front extension also extends from the body, the front extension being configured to be pivotably coupled to a sight housing of the weapon.
  • Fig. 1 A is a left elevation view an AK-47 rifle with the AKARS hingedly mounted and shown disengaged from the weapon receiver in one embodiment of the invention
  • Fig. IB is a right elevation view an AK-47 rifle with the AKARS mounted and shown engaged with the weapon receiver in one embodiment of the invention
  • Fig. 1C is a rear perspective view of the tangent rear sight of an AK-47 rifle
  • Fig. ID is a rear perspective view, the sight base of the tangent rear sight of Fig. 1C, with the leaf and slide removed from the base and the bias spring in its home position, in accordance with the method of the present invention
  • Fig. 2A is a partial elevation view of the left front of the AKARS mount according to an embodiment of the present invention
  • Fig. 2B is a partial elevation view of the right front of the AKARS shown in Fig. 2 A according to an embodiment of the present invention
  • Fig. 2C is a perspective view of the AKARS mount shown as an integral unit mounted to the receiver cover according to a unibody embodiment of the present invention
  • Fig. 2D is a partial perspective view of the right rear of the AKARS mounted to the receiver cover according to a bifurcated embodiment of the present invention
  • Fig. 3A is a right elevation view of the rail portion of the AKARS mounting system according to a unibody embodiment of the present invention
  • Fig. 3B is a top plan view of the rail portion of the AKARS mounting system according to a unibody embodiment of the present invention
  • Fig. 3C is a bottom view of the rail portion of the AKARS mounting system according to a unibody embodiment of the present invention.
  • Fig. 3D is a right perspective view of the rail portion of the AKARS mounting system according to a unibody embodiment of the present invention.
  • Fig. 3E is a rear elevation view of the rail portion of the AKARS mounting system according to an embodiment of the present invention.
  • Fig. 3F is a front elevation view of the rail portion of the AKARS mounting system according to an embodiment of the present invention.
  • Fig. 4 is a sectional elevation view of an embodiment of the AKARS mounting system adjustably mounted to the receiver cover of a rifle in accordance with one embodiment of the present invention
  • Fig. 5 is a detailed perspective view of the rail mounting component of the bifurcated rail portion of the AKARS mounting system in accordance with one
  • Fig. 6 depicts one embodiment of the bifurcated AKARS mounting system in accordance with one embodiment of the present invention
  • a standard AK-47 rifle 100 is shown with the AKARS mount 110 shown engaged with the top of the receiver 122.
  • tangent rear sight assembly 102 includes a sight base 108 solidly mounted over the distal end of the rifle's receiver 122, above the barrel 112.
  • the standard sight base 108 has left and right spaced apart side walls 113, 114 terminating distally in left and right opposing pin receiving members 116 and 118.
  • the open central portion 111 of sight base 108 receives the forward extension 134 of the AKARS, when installed.
  • Figs. 2A and 2B illustrate different perspectives of one embodiment of the AKARS mount 110 of present invention.
  • Forward extension 134 is configured as a tripartite elongate structure adapted to removably mount in place of pre-existing tangent or ladder- style sight slide or lever arm 104.
  • AKARS mount 110 is preferably fabricated or machined from a single piece of metal, such as aluminum or steel and finished with a surface suitable to use on a gun, such as anodizing, treating with phosphate, painting or heat treating.
  • the accessory mount 110 has an elongated body 141 comprising a rail 130 and terminating in the front extension 134.
  • the upper surface of rail 130 is configured to accept accessories such as scope rings or other optics and preferably comprises a plurality of transverse raised segments alternately spaced with a plurality of transverse grooves configured to accept equipment or supports designed to clamp on a Military Standard Picatinny rail 130 (or a Weaver rail) providing a universal mounting surface for optical sights.
  • Rail 130 is attached to receiver cover 109 in any suitable manner, such as with fasteners, such as rivets or screws. In the alternative, the rail 130 may be secured to receiver cover 109 by other means, such as by welding or adhesives.
  • Rail 130 may be a separate piece that is mechanically joined to body 141.
  • rail 130 may be made integral with body 141.
  • the right edge and the left edge of the rail portion 130 are suitably dimensioned to receive clamping attachments and preferably have a V-shaped profile such that the center of the V- shape projects outwardly to engage a mating profile in a mounted optic (not shown).
  • the front extension 134 is dimensioned to include a distal or forward end that substantially fits within a pre-existing tangent-style sight housing or base 108 and hinges within the sight housing's left and right opposing pin receiving members 116 and 118 by releasably engaging the AKARS mounting pin 145 through hinge retaining holes, as at 144.
  • the AKARS 110 mounts is free to pivot about the axis formed by the pin, and can be moved between an engaging and disengaging position with the receiver 122.
  • the AKARS 110 mount engages receiver 122, it is now secure in place, being captured by the take down button's 148 firm engagement with take down window 146.
  • This fit between the pivoting front extension 143 and take down button 148 provides repeatable positioning of the AKARS 110 mount and thus any optics mounted to the unit with benefit from a return to zero after cleaning of the weapon.
  • Sight notch 136 is provided to enable aiming the rifle 100 in conjunction with the rifle's front sight 115.
  • one embodiment of the invention uses a modified pin having circumferential cut(s) made in the pin's surface located along its length. This rib or ribs are then engaged by fasteners, such as circlips or e-rings to laterally secure the pin in place. This may be necessary is excessive shock causes pin 145 to disengage from the outer and center hinge arms 138, 140 and right and left pin receiving members 116, 118. Due to the tightness of the fit between these components, it may become necessary to machine some relief wells in the sides of either or both of the hinge arms 138, 140 and the side walls of the pin receiving members 116, 118, to accommodate the additional thickness added by the fasteners.
  • pin 145 may be provided with though-holes at locations corresponding to holes in either or both the outer and center hinge arms 138, 140 and right and left pin receiving, members 116, 118. In this manner, pin 145 may be laterally secured by one or more pins passing vertically through it and its supporting members.
  • the AKARS mount 110 may be comprised of a single, unibody portion as shown in Figs. 1 A and IB, or of a bifurcated construction, such as shown in Figs. 2D and 6.
  • the bifurcated version of the AKARS 110 uses a discrete mount 128 to slidably mount to receiver cover 109 as detailed in Fig. 4.
  • mount 128 and mount plate 129 engage a slot 107 in the top surface of receiver cover 109 and are mated together using two mount screws 131.
  • the sliding engagement of the body 125 within slot 107 provides for linear adjustment of the AKARS. This may be helpful in accommodating the slight variations in length of the receiver cover 109 that is present in different AK-47s manufactured in multiple countries around the world.
  • the AKARS mount is fabricated as a single piece, in a unibody manner.
  • This embodiment could be mounted to the top cover and be linearly adjustable like its bifurcated counterpart, but would not be independently removable from top cover 109, as is shown in Fig. 6.
  • the unibody embodiment is advantaged by a simpler, sleeker and less expensive design to fabricate at the expense of not being able to remove the top cover from rifle 100 without removing mounting screws as at 131.
  • a unibody embodiment of the AKARS rail 110 using the sliding arrangement essentially as shown in Fig.
  • the AKARS rail may be affixed to the top surface of receiver cover 109 in a number of ways, including without limitation: screws, welds and adhesives.
  • a disadvantage of affixing the AKARS in this manner is that it does not provide for adjustment of the mounting system to accommodate variances in the manufacturing tolerances between differing manufacturers.
  • mount 128 may be a separate part or the proximal end of rail 130
  • the interface between mounting components 128, 129 can be seen.
  • the body 125 of the mounting plate 129 is inserted through slot 107 of receiver cover 109 and into a recess 135 within mount 128.
  • a drive pin (not shown) is inserted into hole 127 through retaining hole 126 to prevent complete disengagement of the mount 128 and mounting plate 129.
  • Bolts, as at 131 are inserted through the mounting holes in the top of mount 128 to engage corresponding holes in mounting plate 129. After installation and linear adjustment of the AKARS, mounting bolts 131 are cinched up, thus securing the linear position of the AKARS mounting system 110 relative to the receiver cover 109.
  • AKARS mounting system 110 provides a recess within the mount, such that as rail 130 engages guide pins 132, the abutment takes place underneath the top surface of the mount. In this manner, when the two mounting components 128, 129 are in abutment within a recess of the rail mount, the mating seam between the two is covered by the overhang of the rail mount.
  • the accessory mount 110 may be adapted for attachment to any rifle having a pre-existing tangent or ladder-style sight (e.g., such as a K98 Mauser, a Mosin- Nagant variant or one of the SKS family of rifles), the AK family of rifles is of particular interest.
  • the AK family includes the AK-47, the Chinese Norinco, or Poly Tech, AKS, type 56, AK-47 S, the Hungarian AKM variations, the Romanian AKM variations, the AK- 74 , the Polish Tantal, the Russian AK 74 versions,
  • While this invention is well suited for retrofitting existing military surplus or service rifles (e.g., 100 ), it can also be incorporated as an OEM feature in rifles configured for sale or delivery with optical sights.
  • the AKARS 110 mount may be deployed as follows. First, ensure that the weapon has been cleared. Remove any magazine from the weapon. Pull the bolt to the rear of the weapon and visually inspect the chamber to ensure it does not contain a round. Place the function selector lever on the right side of the weapon in the non-firing or "safe" position.
  • the invention also includes variations. Included in those additional embodiments, include, without limitation, incorporate the AK-47 rear sight into the AKARS mount so that it does not need to be replaced.
  • the AKARS can also be provided with a leaf sight that can pop up if needed.
  • AKARS is described as a rail affixed to the receiver top cover, it is also envisioned that the AKARS may be fabricated from a single piece of stock, thus strengthening the interface between the two components. It is also envisioned that the rail of the AKARS may have a peep sight or an adjustable rear sight incorporated into it to allow for adjustment of windage and elevation.
  • the Picatinny rail may be elevated so that a sight can be deployed such that the sight is aligned with the front sight post of the weapon. Additional rails may be added in different planes than the single plane shown and described. It is also envisioned that additional measures may be taken to ensure that the receiver cover returns to the same position each time it engages the receiver. This could include guides or indicia or alignment structures. There has been no specific length described in the embodiment of the invention because a wide variety of lengths may be appropriate in difference circumstances.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

L'invention concerne un système de rampe adaptative (110) pour une arme (100). Un corps allongé (141) est adapté pour s'accoupler à un cache (109) récepteur de l'arme (110). Une rampe (130) s'étend depuis le corps (141). Une prolongation avant (134) s'étend également depuis le corps (141), la prolongation avant étant configurée pour être accouplée de manière pivotante à un boîtier de visée (108) de l'arme (100).
PCT/US2011/056600 2010-10-15 2011-10-17 Système de rampe adaptative pour une arme de type ak Ceased WO2012051627A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US39384910P 2010-10-15 2010-10-15
US61/393,849 2010-10-15
US41092710P 2010-11-07 2010-11-07
US61/410,927 2010-11-07
US13/275,294 US20120131838A1 (en) 2010-10-15 2011-10-17 Adaptive Rail System for AK-Style Weapon
US13/275,294 2011-10-17

Publications (1)

Publication Number Publication Date
WO2012051627A1 true WO2012051627A1 (fr) 2012-04-19

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ID=45938744

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/056600 Ceased WO2012051627A1 (fr) 2010-10-15 2011-10-17 Système de rampe adaptative pour une arme de type ak

Country Status (2)

Country Link
US (1) US20120131838A1 (fr)
WO (1) WO2012051627A1 (fr)

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WO2016138588A1 (fr) * 2015-03-04 2016-09-09 David Drummond Système de rail pour un fusil
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US9599438B1 (en) 2015-08-27 2017-03-21 Otis Products, Inc. Rail adapter for mounting over the rear sight of an AK type rifle
RU2630207C2 (ru) * 2016-02-04 2017-09-05 Виталий Витальевич Бояркин Кронштейн для крепления оптических прицелов на автоматы и ручной пулемёт калашникова
US10145632B2 (en) * 2016-04-28 2018-12-04 Eric Dienno Replacement receiver assembly for an AK-47
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