EP1678457A1 - Element d'arme comprenant un profil a corps creux - Google Patents

Element d'arme comprenant un profil a corps creux

Info

Publication number
EP1678457A1
EP1678457A1 EP04790363A EP04790363A EP1678457A1 EP 1678457 A1 EP1678457 A1 EP 1678457A1 EP 04790363 A EP04790363 A EP 04790363A EP 04790363 A EP04790363 A EP 04790363A EP 1678457 A1 EP1678457 A1 EP 1678457A1
Authority
EP
European Patent Office
Prior art keywords
component
hollow body
body profile
sleeve
weapon
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.)
Withdrawn
Application number
EP04790363A
Other languages
German (de)
English (en)
Inventor
Johannes Murello
Wilhelm Fischbach
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.)
Heckler und Koch GmbH
Original Assignee
Heckler und Koch GmbH
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 Heckler und Koch GmbH filed Critical Heckler und Koch GmbH
Publication of EP1678457A1 publication Critical patent/EP1678457A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/64—Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings
    • F41A3/66—Breech housings or frames; Receivers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A3/00—Breech mechanisms, e.g. locks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00—Butts; Butt plates; Stocks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00—Butts; Butt plates; Stocks
    • F41C23/16—Forestocks; Handgrips; Hand guards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00—Butts; Butt plates; Stocks
    • F41C23/18—Butts; Butt plates; Stocks characterised by the material used

Definitions

  • the invention relates to a weapon component, e.g. a grip, a grip, a shaft, a shoulder rest or a housing shell for a weapon housing made of plastic, which u.TJ. also other components of a firearm, such as Pick up the weapon barrel, locking mechanism, trigger device, ammunition feeder, sighting / aiming device, etc.
  • a weapon component e.g. a grip, a grip, a shaft, a shoulder rest or a housing shell for a weapon housing made of plastic, which u.TJ. also other components of a firearm, such as Pick up the weapon barrel, locking mechanism, trigger device, ammunition feeder, sighting / aiming device, etc.
  • a component for example in the case of a rapid-fire rifle, can simultaneously form the stock with corresponding functional surfaces which rest on the body of the shooter or are required for handling.
  • Such components are advantageously made of plastic using injection molding technology, which offers considerable weight and cost advantages, particularly for series components.
  • EP 1 357 348 AI a two-part weapon housing made of plastic is known which has a hollow body with stiffening bridges in the grip area by assembling the two housing shells, so that the wall thicknesses can be made constant.
  • the method is particularly advantageous in the production of components which already have all the important functional surfaces and elements for the attachment of further weapon components on the inside and outside. To ensure that these can be easily attached to the component without time-consuming reworking, close manufacturing tolerances must be observed. In addition, there are high mechanical stresses on the components, which are caused by the firing process itself, as well as by the stresses that occur during handling during use.
  • Guide sleeves for receiving the pipe can e.g. be injected into a housing component.
  • sufficiently dimensioned load transmission areas must be formed in which the plastic material has an increased wall thickness or which are in turn provided with reinforcing metallic inserts.
  • the object of the present invention is therefore to specify a weapon component and a method for its production, in which the described machined parts are at least weakened.
  • a weapon component made of plastic which is designed, for example, as an injection molded part and has a hollow body profile which is formed in one piece with the component for reinforcement.
  • the cavity is formed in the hollow body profile by injection of a suitable medium, for example a gas.
  • a suitable medium for example a gas.
  • the formation of one or more stiffening hollow body profiles on the component increases, for example, the dimensional stability of a housing sound without the volume contraction occurring when a similarly stiff, solid profile is formed causing sink marks and / or tolerance deviations when the shell cools.
  • the targeted arrangement of such hollow body profiles or hollow ribs can reduce the average wall thickness of the entire component.
  • Claims 2 and 3 relate to the design of such a hollow body profile which, on the one hand, stabilizes a large, relatively thin-walled area of the barrel area of a weapon housing and, on the other hand, creates a load-bearing, low-notch transition into a tube receiving region of the weapon housing.
  • the special embedding of the sleeve allows a recess in the plastic housing, which exposes a part of the outer surface of the sleeve, which in turn can then serve as a stop surface for sighting, fire control devices, target optics or other elements that ensure a tolerance-free and rigid coupling to the direction of the projectile Require pipe.
  • One too Additional fixation of the sleeve in the housing shell allows the development according to claim 9.
  • Claims 10 to 13 relate to particularly advantageous designs and arrangements of the hollow body profile in the shaft area, in which it stabilizes the free edge of a projectile sleeve ejection window and at the same time serves as a stable stop or articulation area for an associated closure flap. Particularly in the case of large-caliber weapons with large ejection windows, these functions are otherwise very difficult to implement in terms of design and production technology (claims 10 and 11).
  • the externally exposed outer surfaces can serve as guide rails of a closure element, in particular a closure carrier, with a corresponding shape. This function is guaranteed by the high accuracy of fit and the high dimensional stability of the hollow profile.
  • Claim 16 relates to particularly suitable materials which are particularly suitable both for components according to the invention and for the method according to the invention.
  • Claim 17 relates to a weapon system for which a housing shell according to the invention is particularly suitable.
  • FIG. 1 shows a side view of a weapon housing shell according to the invention
  • FIG. 2 shows a view of a partial longitudinal section through the shaft and tube receiving area of the housing shell according to FIG. 1;
  • FIG. 3 shows a perspective view obliquely from behind into the housing shell according to FIG. 1;
  • FIG. 4 shows a cross-sectional view along the lines A-A (FIG. 1) and shows the course of the hollow body profiles running perpendicular to the tube axis;
  • FIG. 5 shows a detailed view of the partially broken-open hollow profile sections at the transition between the shaft area and the pipe receiving area.
  • Fig. 1 shows an embodiment of a housing shell 1 for a weapon in the so-called "Bull-Pup" construction.
  • the trigger mechanism is located in front of a cartridge magazine when viewed in the firing direction.
  • the housing shell 1 has a shaft area 4 and a tube receiving area 6.
  • the one piece here Standing housing shell 1 has at the rear section of the pipe receiving area 6 an opening 8 pointing downwards, which extends rearward into the shaft area 4.
  • a trigger unit (not shown) and a cartridge magazine (also not shown) can be inserted or inserted through this opening 8.
  • a cartridge case ejection window 12 is formed on the left and right in the shaft area 4 of the housing shell 1.
  • these cartridge case ejection windows can be closed by means of a flap (not shown).
  • hinge elements 14 are formed on the lower edge of the ejection window 12, while the upper edge of the ejection window 12 carries closing elements 16 which, in the exemplary embodiment shown, are formed by magnets which hold them in their closed position via corresponding counterparts in the cover flap, but at the same time allow cartridge case ejection.
  • the barrel receiving area has at its rear end a recess 18 accessible from above, which makes the outer surface 20 of a sleeve 22 surrounding the weapon barrel (not shown) accessible.
  • the weapon housing described here only comprises a single housing shell 1 manufactured in one piece.
  • a housing can just as well be assembled from a plurality of housing shells, which can be connected to one another firmly or detachably in a suitable manner.
  • the housing shell parts can be glued, welded, screwed, riveted or joined in another suitable manner.
  • the cartridge magazine and the cartridge case ejection window 12 are located behind the trigger device. This means that the cartridge is ejected very close to the shooter's head. The cartridge can therefore be ejected either on the left or right side of the weapon, depending on which side points away from the shooter's head.
  • the housing shell 1 can, however, just as well be designed for a weapon in which the ammunition supply is in front of the trigger unit and in which only a single sleeve ejection window 12 is provided, which can optionally be implemented with or without a cover flap.
  • FIG. 2 and 3 show the course of the hollow body profile 24 formed in the shell, which runs from the rear end of the shaft area 4 parallel to the tube axis 26 to the front to the tube receiving area ⁇ .
  • This first section 28 simultaneously forms the upper edge of the cartridge case ejection window 12.
  • the profile of the hollow body profile 24, 28 bends downward and runs behind the end face 29 (FIG. 4) of the case 22, essentially following its circumference downward into the opening 8.
  • This second section 30 thus runs in a curved manner corresponding to a peripheral section of the sleeve 22.
  • the cavity 32 of the hollow body profile 24 thus runs continuously from the opening 10 at the end of the shaft region via the first section 28 into the second section 30 into the opening 8. The transition with a change of direction can be clearly seen in the detailed view of FIG. 5.
  • the cross-sectional profile of the first section 28 extends completely into the interior of the housing shell 1.
  • the outer surface Chen 34 of the profile thus form a prismatic rail, which stiffens the shaft area 4 of the housing shell 1, stabilizes the upper edge of the cartridge case ejection window 12, receives the closing elements 16 in the cartridge case ejection window area 12 and which engages in a corresponding groove on a closure element, not shown, and so the latter Trajectory.
  • these outer surfaces 34 are flat, but they can also have a convex or concave curvature, or they can be formed with additional guide grooves or profiles.
  • slide rails they can also be designed as roller or roll / slide rails.
  • the second section 30 of the hollow body profile 24 extends on the shaft side on the end face 29 of the sleeve 22 and follows the circumference thereof, forming the transition bead 38 (FIG. 3) formed on the outside of the housing between the thickened tube receiving area and the narrower shaft area.
  • the sleeve 22 is embedded in the rear tube receiving area 6 in a form-fitting and non-positive manner in the housing shell 1.
  • Her rear end face 29 is partially supported on the second section 30 of the hollow body profile 24, while the front end face is enclosed by the housing shell 1 in the tube receiving area 6.
  • the outer surface 20 of the sleeve 22 is provided with depressions or perforations 40 which are penetrated by the housing material.
  • the sleeve 22 is provided with an axially extending row of recesses or holes. In the embodiment shown, the perforations 40 run over the entire outer surface 20 of the sleeve 22.
  • the sleeve 22 has two axially spaced apart from one another. te, annular shoulders 42, on the end faces of a brake system, not shown, of the pipe closure mechanism, or the closure mechanism itself (also not shown).
  • the radial inner surfaces 44 of the rings 42 serve as a linear slide bearing of a weapon barrel, not shown, which is movable in the axial direction.
  • the sleeve itself can also be designed so that it also fixes the gun barrel in the axial direction. With a suitably designed heat dissipation, it is also possible for the tube itself to be embedded in the housing shell 1 analogously to the sleeve 22.
  • the additional interlocking in the shell material can also be achieved by means of pimple-like elevations, annular grooves, longitudinal profiles, knurling or other suitable surface configurations.
  • the mounting of the sleeve 22 over the second section 30 ensures a particularly favorable flow of force in the direction of the tube axis 26 via the radial walls 46 and 48 lying outside and inside in the shaft region 4 and in the first section 28 itself.
  • two symmetrical hollow body profiles 24 are provided, the first sections 28 of which run along the upper edge of the cartridge case ejection window 12.
  • these hollow body profiles can run in another suitable manner, for example along the lower edge.
  • a single or a plurality of hollow body profiles can run in the shaft area.
  • the outer surface 20 of the sleeve 22 is partially exposed through the recess 18. Visor / fire control and other devices and components can be attached to the outer surface 20 that is accessible in this way (not shown).
  • the housing shell itself is manufactured in a conventional plastic injection molding process.
  • PA polyamide
  • the plastic granulate is heated in an extrusion press and injected into a mold corresponding to the housing shell.
  • the cavity 32 of the hollow body profile 24, which is initially completely filled with plastic, is produced by injecting a gas which partially pushes the still liquid or plastic plastic material out of the channel.
  • the gas injection takes place via suitable needles or nozzles and is controlled so that the desired wall thicknesses of the profile 24 are formed.
  • the resulting cavity 32 remains dimensionally stable even when cooling.
  • the plastic material solidifies without sink marks or without warping adjacent thin-walled surfaces.
  • the cavity 32 can then be filled with a suitable material (eg elastomer, synthetic resin, foam material).
  • a suitable material eg elastomer, synthetic resin, foam material.
  • filling the cavities prevents moisture from entering the cavities or the Voids are contaminated.
  • additional or exclusively prefabricated hollow body profiles 24 can be injected, glued, welded or inserted in some other way.
  • Weapon components according to the invention lend themselves particularly well to those weapons in which particularly robust, lightweight components with great freedom of design are required, in particular also in order to use large-caliber ammunition with the required precision.
  • These can be handguns of all kinds, but they can also be easily transportable automatic weapons mounted on racks or gun carriages, the casings of which had previously only been made of metal.

Abstract

L'invention concerne un élément d'arme (1) en plastique dans lequel est réalisé un profil à corps creux (24). Selon l'invention, le profil à corps creux (24) sert, par exemple, au renforcement d'une chambre à paroi mince, ainsi qu'au logement à introduction de force d'autres composants d'arme comme un manchon (22) pour le logement du canon. L'incorporation selon l'invention de tels composants dans l'élément permet également de relier à l'arme des dispositifs de visée et/ou de conduite de tir à fixer de manière stable et ajustable avec précision, ainsi que d'autres composants. L'invention concerne également un procédé selon lequel les profils à corps creux (24) sont réalisés d'un seul tenant avec l'élément d'arme (1) par moulage par injection.
EP04790363A 2003-10-22 2004-10-13 Element d'arme comprenant un profil a corps creux Withdrawn EP1678457A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10349160A DE10349160B3 (de) 2003-10-22 2003-10-22 Waffenbauteil mit Hohlkörperprofil
PCT/EP2004/011493 WO2005043067A1 (fr) 2003-10-22 2004-10-13 Element d'arme comprenant un profil a corps creux

Publications (1)

Publication Number Publication Date
EP1678457A1 true EP1678457A1 (fr) 2006-07-12

Family

ID=34529709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04790363A Withdrawn EP1678457A1 (fr) 2003-10-22 2004-10-13 Element d'arme comprenant un profil a corps creux

Country Status (6)

Country Link
US (1) US20070033850A1 (fr)
EP (1) EP1678457A1 (fr)
KR (1) KR20060076785A (fr)
CA (1) CA2540493A1 (fr)
DE (1) DE10349160B3 (fr)
WO (1) WO2005043067A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
RU2774500C1 (ru) * 2021-10-22 2022-06-21 Акционерное общество "Конструкторское бюро приборостроения им. академика А.Г. Шипунова" Огнестрельное оружие

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US7596900B2 (en) * 2003-08-04 2009-10-06 Rmdi, L.L.C. Multi-caliber ambidextrously controllable firearm
DE102005049589A1 (de) 2005-10-17 2007-04-19 Kenter, Herbert P. Gehäuse für eine Handfeuerwaffe
US7937877B2 (en) * 2007-03-07 2011-05-10 Christopher Gene Barrett Light weight firearm and method of manufacturing
DE102007034671A1 (de) 2007-07-25 2009-01-29 Heckler & Koch Gmbh Rohrführungsanordnung, Waffenrohranordnung und Bremsfederanordnung
US8191299B2 (en) * 2008-09-23 2012-06-05 Tuvia Faifer Firearm stock
US8484877B2 (en) * 2009-10-23 2013-07-16 Michael Dwain Zimmerman Rifle upper receiver with integral magazine well
DE102010009426A1 (de) 2010-02-26 2011-09-01 Heckler & Koch Gmbh Verschlussführungseinrichtung für eine Verschlussanordnung und Schnellfeuerwaffe mit einer Verschlussführungseinrichtung
US8950312B2 (en) 2011-08-17 2015-02-10 Lwrc International Llc Bolt carrier and bolt for gas operated firearms
US8844424B2 (en) 2011-08-17 2014-09-30 Lwrc International Llc Bolt carrier and bolt for gas operated firearms
US9140506B2 (en) 2012-07-31 2015-09-22 Lwrc International Llc Firearm receiver assembly
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US9506711B2 (en) 2012-07-31 2016-11-29 Lwrc International Llc Barrel nut assembly and method to attach a barrel to a firearm using such assembly
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US9121652B1 (en) 2013-12-03 2015-09-01 David P. Mangiameli Firearm having a magazine permanently affixed thereto
US9506702B2 (en) * 2014-01-10 2016-11-29 Jv Precision Machine Company Externally loading semi-automatic firearm with integral or non-removable feeding device
EP3180579B1 (fr) 2014-08-11 2020-10-07 WHG Properties, LLC Système d'arme à feu
USD785126S1 (en) 2014-10-09 2017-04-25 Ronnie Barrett Bipod
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Publication number Priority date Publication date Assignee Title
RU2774500C1 (ru) * 2021-10-22 2022-06-21 Акционерное общество "Конструкторское бюро приборостроения им. академика А.Г. Шипунова" Огнестрельное оружие

Also Published As

Publication number Publication date
WO2005043067A1 (fr) 2005-05-12
DE10349160B3 (de) 2005-08-04
US20070033850A1 (en) 2007-02-15
KR20060076785A (ko) 2006-07-04
CA2540493A1 (fr) 2005-05-12

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