EP3835708A1 - Front shaft for clamping on a weapon in front - Google Patents
Front shaft for clamping on a weapon in front Download PDFInfo
- Publication number
- EP3835708A1 EP3835708A1 EP19216891.2A EP19216891A EP3835708A1 EP 3835708 A1 EP3835708 A1 EP 3835708A1 EP 19216891 A EP19216891 A EP 19216891A EP 3835708 A1 EP3835708 A1 EP 3835708A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nut
- axis
- lever
- clamping
- thread
- 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.)
- Granted
Links
- 210000000245 forearm Anatomy 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/32—Muzzle attachments or glands
- F41A21/325—Mountings for muzzle attachments
-
- 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
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/30—Silencers
-
- 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
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/44—Insulation jackets; Protective jackets
-
- 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
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/48—Barrel mounting means, e.g. releasable mountings for replaceable barrels
- F41A21/481—Barrel mounting means, e.g. releasable mountings for replaceable barrels using partial or interrupted threads, e.g. bayonet-type mountings
-
- 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
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/48—Barrel mounting means, e.g. releasable mountings for replaceable barrels
- F41A21/484—Barrel mounting means, e.g. releasable mountings for replaceable barrels using interlocking means, e.g. by sliding pins
-
- 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
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/48—Barrel mounting means, e.g. releasable mountings for replaceable barrels
- F41A21/485—Barrel mounting means, e.g. releasable mountings for replaceable barrels using screws or bolts
-
- 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
Definitions
- the invention relates to a fore-end for clamping assembly on a firearm, in particular a rifle (carbine), also called fore-end clamping or just clamping, specifically for weapons of the rifle type M4 / M16 / AR15, according to the preamble of claim 1.
- a rifle also called fore-end clamping or just clamping, specifically for weapons of the rifle type M4 / M16 / AR15, according to the preamble of claim 1.
- the clamping device according to the invention and their variants are not limited to rifles, carbines, etc., but can in principle also be used for pistols. The improvements and their effects / benefits are listed below.
- fore-ends In numerous rifles (carbines), in particular those of the types mentioned, fore-ends have been known for many years as independent parts and are commercially available that meet a wide variety of requirements. It is therefore assumed in the following and in the claims of the carbine as existing, the invention relates to a fore-end that is adapted to this and which thus fits the weapon geometrically and functionally so that it can be used with the fore-end according to the invention.
- the following can be briefly stated as a general technological background: On the one hand, fore-ends form a grip area for the free hand - the target hand - of the shooter and serve as protection against burns on the hot barrel.
- a forend protects the barrel from knocks, dirt, etc. and can be used as a mount for a variety of accessories, such as riflescopes, residual light amplifiers, flashlights, laser pointers, and much more.
- the fore-end can be understood as a kind of extension of the housing of a rifle in the direction of travel.
- the fore-end In order to improve the precision of a rifle, the fore-end must therefore be connected to the housing as rigidly as possible relative to the barrel and therefore also relative to the housing.
- the barrel must be able to swing "freely" when the shot is fired.
- the barrel is usually attached to the housing by means of a barrel nut, which is usually designed as a union nut and screwed to the housing.
- the traveling nut presses the barrel against a radially projecting shoulder of the housing.
- a plurality of components is required in order to form a clamp at least in the tangential direction. Securing and pre-tensioning the barrel in the axial direction, preferably also by means of a clamp, would also be desirable in order to form the most rigid possible connection between the housing and the fore-end.
- the object of the present invention is therefore to provide a clamping device which ensures that the fore-end is secured against displacement relative to the housing and at the same time ensures a rigid connection to the housing. Another object of the invention is that the smallest possible number of components is used for the clamping device. A further object of the invention is to provide a clamping device which is easy to handle, easy to maintain and has a relatively simple structure.
- Figs. 1-6 Exemplary embodiments are shown which are suitable for use in a rifle of the AR15 or M4 type. Modifications of the examples shown can easily, simply and without extensive or complex experiments be transferred to other types of rifles by the person skilled in the art with knowledge of the invention.
- the Fig. 1 shows a schematic exploded view of a fore-end 1 with housing 11 and built-in spacer 12, which is not essential to the invention and is therefore not explained further. Also shown is a clamping device 2 according to the invention with a lever 21, a nut 28 and a locking ring 281; a coordinate system 51 used variously in the description and the claims - running direction, shaft direction, forward; 52-transverse direction to the left and 53-vertical direction up are entered for better orientation.
- the Fig. 2 shows the section II-II of Fig. 1 , an axial section through the shaft axis 41, thus parallel to the barrel axis.
- the barrel 15 lies radially closest to the barrel axis (parallel to or coinciding with the shaft axis 41); a barrel nut 13 in the form of an elongated sleeve may be pushed onto it and connected to the upper housing 14 at its rear end by means of a screw connection 42.
- a collar of the barrel 15 is thus pressed by a rear end face of the running nut 13 against a front end face of the upper housing 14 and the barrel 15 itself is held in this way.
- the housing 11 of the fore-end 1 encloses not only the barrel 15 including barrel nut 13, but also a gas pipe 16.
- An annular groove 131 is provided in the traveling nut 13; the lever 21 lies partly in this annular groove, and in this illustration it is cut in the area of its central piece 26.
- the housing 11 there is an elongated hole extending in the transverse direction 52 provided, the cross-section of which has circular end sections, two parallel slot axes 191, 192 running in the transverse direction 52. These axes lie in a plane normal to the vertical 52.
- Figs. 3a , b are a section along the line III-III of Fig. 1 , thus normal to the shaft axis 41, and represent two different clamping situations.
- the structure itself is as follows: The threaded end of the lever 21 is pushed through the elongated hole 19, the nut 28 with its cone 282 is directed towards the weapon, screwed on and secured against loss by means of the resilient locking ring 281.
- a longitudinal slot 17 of the housing 11 or of the spacer 12 is changed in its width in the area of the lever 21 and, with the conical sections 22 of the shaft and 282 of the nut, ensures pretensioning and adjustment.
- the clamping device 2 shown in detail consists of a lever 21 with a shaft with a lever axis 291, in one end region of which a thread 24 is provided, and at the other end of which a lever arm 27 protrudes approximately at right angles.
- the diameter of the shaft increases conically to the lever arm 27 and forms a clamping cone 22.
- the shaft has a recess 23 on the center piece 26, approximately in the center, which forms a generally cylindrical, preferably circular cylindrical, lateral surface; in the exemplary embodiment, the generators of the lateral surface run parallel to the plane defined by the lever axis and the lever arm 27.
- the thread 24 does not extend to the end of the shaft, but rather ends at an annular groove 25, the inner diameter of which is smaller than the diameter of the thread root.
- the shaft diameter in the direct end area is larger than that of the groove, but smaller than that of the thread root.
- a nut 28 cooperates, which in the Figs. 5a -c is shown.
- This nut 28 is provided in a first axial area with an internal thread which can interact with the thread 24, in a second axial area it has a cylindrical bore (recess) with a larger diameter than the shaft diameter. This recess leads over the entire remaining length (actually height) of the nut 28.
- the outer contour of the nut is cylindrical with a subsequent conical taper towards the end; in the second, an external hexagon is provided.
- An aspect of the invention that is also important in one embodiment lies in the design of the in the Figs. 6a , b elongated hole 19, shown in more detail, which, as already mentioned, has two elongated hole axes 191, 192 running parallel to one another.
- the assembly takes place with the lever 21 in the "OPEN” position up to the stop on the "upper”, then the nut 28 is tightened, narrows the gap 17 and thus fixes the housing 5 to the traveling nut 128.
- This situation is essentially in Figs.7a -c shown.
- the first elongated hole axis 191 is further away from the upper housing 14 than the second elongated hole axis 192.
- FIG. 7c shows the situation after the clamping nut 28 has been tightened, since the clamping surface 18, which is conical around the axis 191, as the arrow indicates, loads / shifts the housing 11 of the fore-end 1 in the direction of the upper housing 14, so that stable mechanical conditions prevail .
- the invention enables tangential and axial clamping of the fore-end at the same time.
- the outer diameter of the nut 28 is selected so that part of the weapon, preferably the slide (not shown), can be used to loosen the nut 28.
- the slider 28 with its slot-shaped opening, which allows the hammer or striking piece to pass through, can be used to unscrew the nut 28.
- a "half-inch" width of the nut head is particularly preferred.
- the terms "front”, “rear”, “top”, “bottom” and so on are used in their usual form and with reference to the object in its usual position of use. This means that in a weapon the muzzle of the barrel is “front”, that the breech or slide is moved “back” by the explosion gases, etc .. Transverse to a direction essentially means a direction rotated by 90 °, Unless otherwise indicated, the variously drawn and described coordinate system 51 - running direction, 52 - transverse direction and 53 - vertical (when the weapon is normally held at the ready) is specifically pointed out for better orientation.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Clamps And Clips (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
Die Erfindung betrifft einen Vorderschaft zur klemmenden Montage auf einer vorliegenden Schusswaffe mit einer Schaftachse (41), insbesondere auf deren Laufmutter (13), umfassend: ein Schaftgehäuse (11) das einen Schlitz (17) radial zur Schaftachse (41) aufweist und mit einer Klemmvorrichtung (2), aufweisend einen Hebel (21) mit einem die Hebelachse (291) umfassenden Mittelstück (26), das in einer Normalebene zur Schaftachse (41) in einer Durchgangsöffnung des Schaftgehäuses (11) liegt, und das in seinem mittleren Bereich eine Ausnehmung (23), an einem Endbereich ein Gewinde (24) und am anderen Ende einen Hebelarm (27) aufweist, und eine Mutter (3) mit einem zum Gewinde (24) passenden Innengewinde; versehen ist.Die Erfindung ist dadurch gekennzeichnet, dass das Mittelstück (26) an seinem zum Hebelarm (27) gerichteten Endbereich mit einem sich zum Hebelarm (27) erweiternden Klemmkonus (22) versehen ist; und dass im montierten Zustand die Mutter (3) auf das Gewinde (24) geschraubt ist und so den Schlitz (17) verengt und die Winkellage des Hebels (21) um seine Hebelachse (291) so ist, dass das Mittelstück (26) in einer Ringnut (131) der Laufmutter (13) kontaktierend angeordnet ist.The invention relates to a fore-end for clamping assembly on an existing firearm with a shaft axis (41), in particular on its running nut (13), comprising: a shaft housing (11) which has a slot (17) radially to the shaft axis (41) and with a Clamping device (2), comprising a lever (21) with a center piece (26) which encompasses the lever axis (291) and which lies in a through-opening of the shaft housing (11) in a plane normal to the shaft axis (41), and which has a Recess (23), a thread (24) at one end and a lever arm (27) at the other end, and a nut (3) with an internal thread matching the thread (24); The invention is characterized in that the middle piece (26) is provided at its end region directed towards the lever arm (27) with a clamping cone (22) which widens towards the lever arm (27); and that in the assembled state the nut (3) is screwed onto the thread (24) and thus narrows the slot (17) and the angular position of the lever (21) around its lever axis (291) is such that the center piece (26) in an annular groove (131) of the traveling nut (13) is arranged contacting.
Description
Die Erfindung betrifft einen Vorderschaft zur klemmenden Montage auf eine vorliegende Schusswaffe, insbesondere eines Gewehrs (Karabiners), vereinfacht auch Vorderschaftklemmung oder nur Klemmung genannt, speziell für Waffen des Gewehrtyps M4/M16/AR15, entsprechend dem Oberbegriff des Anspruches 1. Die erfindungsgemäße Klemmvorrichtung und ihre Varianten sind nicht auf Gewehre, Karabiner, etc. beschränkt, sondern können grundsätzlich auch für Pistolen verwendet werden. Die Verbesserungen und ihre Effekte/Vorteile sind nachstehend angeführt.The invention relates to a fore-end for clamping assembly on a firearm, in particular a rifle (carbine), also called fore-end clamping or just clamping, specifically for weapons of the rifle type M4 / M16 / AR15, according to the preamble of claim 1. The clamping device according to the invention and their variants are not limited to rifles, carbines, etc., but can in principle also be used for pistols. The improvements and their effects / benefits are listed below.
Bei zahlreichen Gewehren (Karabinern), insbesondere solchen der genannten Typen sind seit vielen Jahren Vorderschäfte als selbstständige Teile bekannt und im Handel erhältlich, die die unterschiedlichsten Wünsche erfüllen. Es wird daher im Folgenden und in den Ansprüchen der Karabiner als existierend vorausgesetzt, die Erfindung betrifft einen an diesen angepassten Vorderschaft, der somit geometrisch und funktionell an die Waffe passt, sodass diese mit dem erfindungsgemäßen Vorderschaft verwendet werden kann. Als allgemeinen technologischen Hintergrund kann man kurz Folgendes angeben:
Vorderschäfte bilden einerseits einen Griffbereich für die freie Hand - die Zielhand - des Schützen aus und dienen als Schutz vor Verbrennungen am heißen Lauf. Andererseits schützt ein Vorderschaft den Lauf vor Schlägen, Schmutz, etc. und kann als Aufnahme für eine Vielzahl von Accessoires, wie etwa Zielfernrohre, Restlichtverstärker, Taschenlampen, Laserpointer, und vielem mehr, genutzt werden.In numerous rifles (carbines), in particular those of the types mentioned, fore-ends have been known for many years as independent parts and are commercially available that meet a wide variety of requirements. It is therefore assumed in the following and in the claims of the carbine as existing, the invention relates to a fore-end that is adapted to this and which thus fits the weapon geometrically and functionally so that it can be used with the fore-end according to the invention. The following can be briefly stated as a general technological background:
On the one hand, fore-ends form a grip area for the free hand - the target hand - of the shooter and serve as protection against burns on the hot barrel. On the other hand, a forend protects the barrel from knocks, dirt, etc. and can be used as a mount for a variety of accessories, such as riflescopes, residual light amplifiers, flashlights, laser pointers, and much more.
Der Vorderschaft kann als eine Art Verlängerung des Gehäuses eines Gewehrs in Laufrichtung verstanden werden. Um die Präzision eines Gewehrs zu verbessern, muss daher der Vorderschaft relativ zum Lauf und demnach auch relativ zum Gehäuse möglichst steif mit dem Gehäuse verbunden sein. Dabei muss der Lauf jedoch bei der Schussabgabe "frei" schwingen können.The fore-end can be understood as a kind of extension of the housing of a rifle in the direction of travel. In order to improve the precision of a rifle, the fore-end must therefore be connected to the housing as rigidly as possible relative to the barrel and therefore also relative to the housing. However, the barrel must be able to swing "freely" when the shot is fired.
Die Befestigung des Laufes am Gehäuse erfolgt in der Regel mittels einer Laufmutter, welche zumeist als Überwurfmutter ausgeführt und mit dem Gehäuse verschraubt ist. Die Laufmutter drückt dabei den Lauf an einen radial vorspringenden Absatz des Gehäuses.The barrel is usually attached to the housing by means of a barrel nut, which is usually designed as a union nut and screwed to the housing. The traveling nut presses the barrel against a radially projecting shoulder of the housing.
Aus dem Stand der Technik sind für Gewehre des Typs AR-15 eine Vielzahl von Möglichkeiten bekannt, um einen Vorderschaft mit dem Gehäuse zu koppeln, wobei sehr häufig eine Klemmung in Umfangsrichtung, also tangential zur Schaftachse, die im Folgenden, wenn sich aus dem Zusammenhang nichts anderes ergibt, auch bei Verwendung des Begriffes "axiale Richtung" die Bezugsachse, vorgenommen wird. Zumeist ist eine Verspannung entgegen der Laufrichtung, also gegen das Obergehäuse, mittels einer eigenen, zweiten, Klemmvorrichtung realisiert.A multitude of possibilities for coupling a fore-end to the housing are known from the prior art for rifles of the type AR-15, whereby very often a clamping in the circumferential direction, i.e. tangential to the shaft axis nothing else results, even if the term "axial direction" is used, the reference axis is made. In most cases, tensioning against the running direction, that is to say against the upper housing, is implemented by means of a separate, second, clamping device.
Es bleibt der Wunsch nach einer schnellen De-/Montage des Vorderschaftes, ob im Einsatz oder auch zu Wartungszwecken. Ferner soll der Zerlege- bzw. Zusammenbauvorgang möglichst einfach vorgenommen werden können. Häufig sind spezielle Werkzeuge erforderlich, welche natürlich separat mitgeführt werden müssen. Oftmals erfolgt die tangentiale Klemmung über Schrauben, welche den Vorderschaft tangential an die Laufmutter klemmen wie beispielhaft in der
Einen ähnlichen Ansatz verfolgt die
In der Regel ist eine Mehrzahl von Bauteilen erforderlich, um eine Klemmung zumindest in tangentialer Richtung auszubilden. Eine Sicherung und Vorspannung des Laufs in axialer Richtung, vorzugsweise ebenfalls über eine Klemmung, wäre ebenfalls wünschenswert, um eine möglichst starre Verbindung zwischen Gehäuse und Vorderschaft auszubilden.As a rule, a plurality of components is required in order to form a clamp at least in the tangential direction. Securing and pre-tensioning the barrel in the axial direction, preferably also by means of a clamp, would also be desirable in order to form the most rigid possible connection between the housing and the fore-end.
Die Aufgabe der vorliegenden Erfindung liegt somit darin, eine Klemmvorrichtung zur Verfügung zu stellen, welche eine Sicherung des Vorderschafts gegen Verschieben gegenüber dem Gehäuse und zugleich eine steife Anbindung an das Gehäuse gewährleistet. Eine weitere Aufgabe der Erfindung liegt darin, dass eine möglichst geringe Anzahl an Bauteilen für die Klemmvorrichtung verwendet wird. Ferner liegt eine Aufgabe der Erfindung darin, eine einfach handhabbare, gut zu wartende und relativ einfach aufgebaute Klemmvorrichtung zur Verfügung zu stellen.The object of the present invention is therefore to provide a clamping device which ensures that the fore-end is secured against displacement relative to the housing and at the same time ensures a rigid connection to the housing. Another object of the invention is that the smallest possible number of components is used for the clamping device. A further object of the invention is to provide a clamping device which is easy to handle, easy to maintain and has a relatively simple structure.
Diese Aufgabe wird durch die im kennzeichnenden Teil des Anspruches 1 angegebenen Merkmale gelöst. Mit anderen Worten bildenThis object is achieved by the features specified in the characterizing part of claim 1. In other words, form
Es wird in der Beschreibung und den Ansprüchen "vor" bzw. "(nach) vorne" als Richtung zur Mündung des Laufes hin, "(nach) hinten" als Richtung zum Schaft hin, "(nach) unten" als Richtung für den Verschluss zum Magazin hin, und "(nach) oben" als Richtung vom Magazin weg benutzt. Die Bezeichnungen "Waffenmittelebene", "Laufseele", "Laufachse", "Seelenachse", etc. haben die übliche Bedeutung, die der Fachmann ihnen im Stand der Technik beimisst. "Links" ist somit auf die Waffenmittelebene bezogen, "von links" entspricht einer Bewegung, Betätigung, Kraftausübung in Richtung der Waffenmittelebene, ausgehend von einer "links" von ihr liegenden Ausgangsposition, etc.. Es wird der Verschluss unter der Wirkung der Gase nach der Abgabe eines Schusses "nach hinten" bewegt und gelangt unter der Wirkung einer Schließfeder wieder "nach vorne", etc..In the description and claims, "in front of" or "forwards" as the direction towards the muzzle of the barrel, "(towards) rear" as the direction towards the shaft, "(down)" as the direction for the breech towards the magazine, and "(up)" used as the direction away from the magazine. The terms "weapon center plane", "barrel core", "barrel axis", "core axis", etc. have the usual meanings which the person skilled in the art attaches to them in the prior art. "Left" is therefore related to the weapon center plane, "from the left" corresponds to a movement, actuation, exertion of force in the direction of the weapon center plane, starting from a starting position "to the left" of it, etc .. The closure is made under the action of the gases the firing of a shot moves "backwards" and comes back "forwards" under the action of a closing spring, etc ..
Die Erfindung wird im Folgenden anhand der Zeichnungen näher erläutert. Dabei zeigt bzw. zeigen:
- die
Fig. 1 eine schematische Explosionsdarstellung eines Vorderschafts, - die
Fig. 2 den Schnitt II-II derFig. 1 , - die
Figs. 3a,b den Schnitt III-III derFig. 1 in zwei unterschiedlichen Klemmsituationen, - die
Figs. 4a,b einen Hebel in zwei unterschiedlichen perspektivischen Ansichten, - die
Figs. 5a-c eine Mutter in unterschiedlichen Ansichten, - die
Figs. 6a,b ein Detail am Vorderschaft in unterschiedlichen Ansichten und - die
Figs. 7a-c unterschiedliche Klemmsituationen in einem axialen Schnitt.
- the
Fig. 1 a schematic exploded view of a fore-end, - the
Fig. 2 the section II-II of theFig. 1 , - the
Figs. 3a, b the section III-III of theFig. 1 in two different jamming situations, - the
Figs. 4a, b a lever in two different perspective views, - the
Figs. 5a-c a mother in different perspectives, - the
Figs. 6a, b a detail on the forend in different views and - the
Figs. 7a-c different clamping situations in one axial section.
In den Figuren wurde möglichst alles, was den Vorderschaft 1 ohne die Klemmvorrichtung betrifft, mit "1n" bezeichnet, analog dazu möglichst alles, was die Klemmvorrichtung 2 betrifft mit "2n".In the figures, as far as possible everything that relates to the fore-end 1 without the clamping device has been designated with "1n", analogously to this, if possible, everything that relates to the
In den
Die
Die
In der Laufmutter 13 ist eine Ringnut 131 vorgesehen, der Hebel 21 liegt zum Teil in dieser Ringnut wird in dieser Darstellung im Bereich seines Mittelstückes 26 geschnitten. Im Gehäuse 11 ist ein in Querrichtung 52 verlaufendes Langloch vorgesehen, dessen Querschnitt kreisrunde Endabschnitte zwei zueinander parallele, in Querrichtung 52 verlaufende, Langlochachsen 191, 192, aufweist. Diese Achsen liegen in einer Ebene normal zur Vertikalen 52.An
Die
Der Aufbau selbst ist folgender: Der Hebel 21 ist mit seinem Gewinde-Ende voran durch das Langloch 19 geschoben, die Mutter 28 mit ihrem Konus 282 zur Waffe gerichtet, aufgeschraubt und mittels des federnden Sicherungsringes 281 gegen Verlust gesichert. Durch das Aufschrauben der Mutter 28 wird ein Längsschlitz 17 des Gehäuses 11 bzw. des Distanzhalters 12 im Bereich des Hebels 21 in seiner Breite verändert und sorgt mit den konischen Abschnitten 22 des Schaftes und 282 der Mutter für eine Vorspannung und Justierung.The structure itself is as follows: The threaded end of the lever 21 is pushed through the
Die
der Ringnut 131der Laufmutter 13,- des Langloches 19 des Gehäuses 11 und
- des Schaftes des Hebels 21
- the
annular groove 131 of the travelingnut 13, - the
elongated hole 19 of thehousing 11 and - of the shaft of the lever 21
Die in den
Mit dem Gewinde 24 des Schaftes wirkt eine Mutter 28 zusammen, die in den
Durch die Verdrehung des Hebelarms 27 in der Einbauposition (siehe
Ein in einer Ausgestaltung ebenfalls bedeutender Aspekt der Erfindung liegt in der Ausbildung des in den
Die Montage erfolgt mit dem Hebel 21 in der "OFFEN" Position bis zum Anschlag auf den "Upper", dann wird die Mutter 28 angezogen, verengt den Spalt 17 und fixiert so das Gehäuse 5 an der Laufmutter 128. Diese Situation ist im Wesentlichen in
In
Die
Die
Somit ermöglicht die Erfindung gleichzeitig eine tangentiale und axiale Klemmung des Vorderschaftes.Thus, the invention enables tangential and axial clamping of the fore-end at the same time.
Im dargestellten Ausführungsbeispiel ist der Außendurchmesser der Mutter 28 so gewählt, dass ein Teil der Waffe, vorzugsweise das Gleitstück (nicht dargestellt), zum Lösen der Mutter 28 verwendet werden kann. Dies bedeutet, dass man das Gleitstück 28 mit seiner schlitzförmigen Öffnung, welche den Durchtritt des Hammers bzw. Schlagstücks ermöglicht, zum Auf-Abschrauben der Mutter 28 verwenden kann. Somit ist eine "halb-zöllige" Weite des Mutterkopfs besonders bevorzugt.In the exemplary embodiment shown, the outer diameter of the
Weitere Ausgestaltungen betreffen die bereits erläuterte Verlustsicherung der Klemmvorrichtung durch die Ringnut 25 am Hebel 21 in Verbindung mit dem Sicherungsring 281, der ein vollständiges Abschrauben der Mutter und damit deren Verlust verhindert.Further refinements relate to the already explained loss protection of the clamping device by means of the
Es ist für den Fachmann klar, dass die dargestellten und beschriebenen Ausführungsformen als beispielhaft anzusehen sind, in Kenntnis der Erfindung kann er diese problemlos auf andere Waffen übertragen und anpassen. Die zu verwendenden Materialien sind die gleichen wie im Stand der Technik, die Verarbeitung bzw. die zu wählenden Herstellungsverfahren ebenso.It is clear to the person skilled in the art that the illustrated and described embodiments are to be regarded as exemplary; with knowledge of the invention, he can easily transfer and adapt it to other weapons. The materials to be used are the same as in the prior art, as are the processing and the manufacturing methods to be selected.
In der Beschreibung und den Ansprüchen werden die Begriffe "vorne", "hinten", "oben", "unten" und so weiter in der landläufigen Form und unter Bezugnahme auf den Gegenstand in seiner üblichen Gebrauchslage gebraucht. Das heißt, dass bei einer Waffe die Mündung des Laufes "vorne" ist, dass der Verschluss bzw. Schlitten durch die Explosionsgase nach "hinten" bewegt wird, etc.. Quer zu einer Richtung meint im Wesentlichen eine um 90° dazu gedrehte Richtung, soferne nichts anderes angegeben ist, auf das verschiedentlich in den Figuras eingezeichnete und beschriebene Koordinatensystem 51- Laufrichtung, 52 - Querrichtung und 53 - Vertikale (bei üblicher Haltung der Waffe im Anschlag) wird zur besseren Orientierung speziell hingewiesen.In the description and the claims, the terms "front", "rear", "top", "bottom" and so on are used in their usual form and with reference to the object in its usual position of use. This means that in a weapon the muzzle of the barrel is "front", that the breech or slide is moved "back" by the explosion gases, etc .. Transverse to a direction essentially means a direction rotated by 90 °, Unless otherwise indicated, the variously drawn and described coordinate system 51 - running direction, 52 - transverse direction and 53 - vertical (when the weapon is normally held at the ready) is specifically pointed out for better orientation.
Es soll noch darauf hingewiesen werden, dass in der Beschreibung und den Ansprüchen Angaben wie "unterer Bereich" eines Gegenstandes die untere Hälfte und insbesondere das untere Viertel der Gesamthöhe bedeutet, "unterster Bereich" das unterste Viertel und insbesondere einen noch kleineren Teil; während "mittlerer Bereich" das mittlere Drittel der Gesamthöhe (Breite - Länge) meint. All diese Angaben haben ihre landläufige Bedeutung, angewandt auf die bestimmungsgemäße Position des betrachteten Gegenstandes, soferne nichts anderes angegeben ist.It should also be pointed out that in the description and the claims, statements such as "lower area" of an object mean the lower half and in particular the lower quarter of the total height, and "lowest area" means the lowest quarter and in particular an even smaller part; while "middle area" means the middle third of the total height (width - length). All of this information has its common meaning, applied to the intended position of the object in question, unless otherwise stated.
In der Beschreibung und den Ansprüchen bedeutet "im Wesentlichen" eine Abweichung von bis zu 10 % des angegebenen Wertes, wenn es physikalisch möglich ist, sowohl nach unten als auch nach oben, ansonsten nur in die sinnvolle Richtung, bei Gradangaben (Winkel und Temperatur) sind damit ± 10° gemeint.In the description and the claims, "essentially" means a deviation of up to 10% of the specified value, if it is physically possible, both downwards and upwards, otherwise only in the meaningful direction, for degrees (angle and temperature) this means ± 10 °.
Alle Mengenangaben und Anteilsangaben, insbesondere solche zur Abgrenzung der Erfindung, soweit sie nicht die konkreten Beispiele betreffen, sind mit ± 10 % Toleranz zu verstehen, somit beispielsweise: 11 % bedeutet: von 9,9 % bis 12,1%. Bei Bezeichnungen wie bei: "ein Lösungsmittel" ist das Wort "ein" nicht als Zahlwort, sondern als unbestimmter Artikel oder als Fürwort anzusehen, wenn nicht aus dem Zusammenhang etwas anderes hervorgeht.All quantities and proportions, in particular those to delimit the invention, unless they relate to the specific examples, are to be understood with a tolerance of ± 10%, thus for example: 11% means: from 9.9% to 12.1%. In terms such as: "a solvent", the word "a" is not to be seen as a numerical word, but as an indefinite article or as a pronoun, unless the context indicates otherwise.
Der Begriff: "Kombination" bzw. "Kombinationen" steht, soferne nichts anderes angegeben, für alle Arten von Kombinationen, ausgehend von zwei der betreffenden Bestandteile bis zu einer Vielzahl oder aller derartiger Bestandteile, der Begriff: "enthaltend" steht auch für "bestehend aus".Unless otherwise stated, the term: “combination” or “combinations” stands for all types of combinations, starting from two of the constituents in question up to a large number or all of such constituents, the term: “containing” also stands for “consisting out".
Die in den einzelnen Ausgestaltungen und Beispielen angegebenen Merkmale und Varianten können mit denen der anderen Beispiele und Ausgestaltungen frei kombiniert und insbesondere zur Kennzeichnung der Erfindung in den Ansprüchen ohne zwangläufige Mitnahme der anderen Details der jeweiligen Ausgestaltung bzw. des jeweiligen Beispiels verwendet werdenThe features and variants specified in the individual configurations and examples can be freely combined with those of the other examples and configurations and used in particular to characterize the invention in the claims without necessarily including the other details of the respective configuration or the respective example
Zum einfacheren Verständnis der Erfindung sind die englischen Begriffe, welche auch als Synonym verwendet werden können, in der nachfolgenden Bezugszeichenliste angegeben.
Claims (4)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US17/757,291 US11892260B2 (en) | 2019-12-13 | 2020-11-23 | Handguard for clamping mounting on an existing firearm |
BR112022011131A BR112022011131A2 (en) | 2019-12-13 | 2020-11-23 | HAND PROTECTOR FOR FIXING THE ASSEMBLY OF AN EXISTING FIREGUN |
PCT/EP2020/083075 WO2021121877A1 (en) | 2019-12-13 | 2020-11-23 | Handguard for clamping mounting on an existing firearm |
IL293577A IL293577A (en) | 2019-12-13 | 2020-11-23 | Handguard for clamping mounting on an existing firearm |
CA3163898A CA3163898A1 (en) | 2019-12-13 | 2020-11-23 | Handguard for clamping mounting on an existing firearm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP19215974.7A EP3835706B1 (en) | 2019-12-13 | 2019-12-13 | Adapter for mounting an accessory to a firearm |
Publications (3)
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EP3835708A1 true EP3835708A1 (en) | 2021-06-16 |
EP3835708B1 EP3835708B1 (en) | 2023-12-06 |
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EP19215974.7A Active EP3835706B1 (en) | 2019-12-13 | 2019-12-13 | Adapter for mounting an accessory to a firearm |
EP19216891.2A Active EP3835708B1 (en) | 2019-12-13 | 2019-12-17 | Front shaft for clamping on an existing weapon |
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EP19215974.7A Active EP3835706B1 (en) | 2019-12-13 | 2019-12-13 | Adapter for mounting an accessory to a firearm |
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US (2) | US11892260B2 (en) |
EP (2) | EP3835706B1 (en) |
BR (1) | BR112022011131A2 (en) |
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EP4194795A1 (en) | 2021-12-10 | 2023-06-14 | Glock Technology GmbH | Device for forming a secondary attachment of a front shaft |
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US20220252374A1 (en) * | 2021-02-11 | 2022-08-11 | Jason Louthan | Modular handguard for firearm |
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USD1027094S1 (en) * | 2021-04-15 | 2024-05-14 | Angstadt Arms, LLC | Firearm upper assembly |
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Also Published As
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US20210180903A1 (en) | 2021-06-17 |
EP3835708B1 (en) | 2023-12-06 |
US11391532B2 (en) | 2022-07-19 |
EP3835706C0 (en) | 2023-10-18 |
CA3163898A1 (en) | 2021-06-24 |
WO2021121877A1 (en) | 2021-06-24 |
EP3835706A1 (en) | 2021-06-16 |
US20230020437A1 (en) | 2023-01-19 |
IL293577A (en) | 2022-08-01 |
US11892260B2 (en) | 2024-02-06 |
EP3835706B1 (en) | 2023-10-18 |
EP3835708C0 (en) | 2023-12-06 |
BR112022011131A2 (en) | 2022-08-23 |
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