EP2578985B1 - Forestock mounting system for a handgun - Google Patents

Forestock mounting system for a handgun Download PDF

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Publication number
EP2578985B1
EP2578985B1 EP12186022.5A EP12186022A EP2578985B1 EP 2578985 B1 EP2578985 B1 EP 2578985B1 EP 12186022 A EP12186022 A EP 12186022A EP 2578985 B1 EP2578985 B1 EP 2578985B1
Authority
EP
European Patent Office
Prior art keywords
clamping
stock
fastening device
eccentric
slot
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.)
Active
Application number
EP12186022.5A
Other languages
German (de)
French (fr)
Other versions
EP2578985A2 (en
EP2578985A3 (en
Inventor
Matthias Klotz
Bastian Rothe
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.)
JP Sauer and Sohn Machinenbau GmbH
Original Assignee
JP Sauer and Sohn Machinenbau 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 JP Sauer and Sohn Machinenbau GmbH filed Critical JP Sauer and Sohn Machinenbau GmbH
Priority to PL12186022T priority Critical patent/PL2578985T3/en
Publication of EP2578985A2 publication Critical patent/EP2578985A2/en
Publication of EP2578985A3 publication Critical patent/EP2578985A3/en
Application granted granted Critical
Publication of EP2578985B1 publication Critical patent/EP2578985B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44017—Clasp, clip, support-clamp, or required component thereof with specific mounting means for attaching to rigid or semirigid supporting structure or structure-to-be-secured
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44291—Clasp, clip, support-clamp, or required component thereof including pivoted gripping member
    • Y10T24/44376—Spring or resiliently biased about pivot
    • Y10T24/44385—Distinct spring
    • Y10T24/44402—Distinct spring with operator for moving pivoted member
    • Y10T24/4441—Camming or wedging element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44291—Clasp, clip, support-clamp, or required component thereof including pivoted gripping member
    • Y10T24/44376—Spring or resiliently biased about pivot
    • Y10T24/44385—Distinct spring
    • Y10T24/44427—Distinct spring with position locking-means for gripping members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44291—Clasp, clip, support-clamp, or required component thereof including pivoted gripping member
    • Y10T24/44376—Spring or resiliently biased about pivot
    • Y10T24/44385—Distinct spring
    • Y10T24/44427—Distinct spring with position locking-means for gripping members
    • Y10T24/44436—Distinct spring with position locking-means for gripping members including pivoted arm
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44291—Clasp, clip, support-clamp, or required component thereof including pivoted gripping member
    • Y10T24/4453—Clasp, clip, support-clamp, or required component thereof including pivoted gripping member with position locking-means for gripping members

Definitions

  • the invention relates to a shaft attachment device for a handgun.
  • the invention also relates to a handgun having such a shank attachment device.
  • a shaft attachment device for fixing a shaft is made DE 3 509 125 bekant.
  • the object of the invention is to provide a shaft attachment device and a handgun with such a shaft attachment device, which allow a simple and quick assembly or disassembly of a shaft.
  • the shaft fastening device consists of a clamping bolt and a clamping eccentric cooperating with the clamping bolt, by means of which the shaft can be fastened to the closure housing to produce an axial tensile force.
  • the clamping eccentric has a central through-hole for inserting a clamping head of the clamping bolt and at least one lateral slot for receiving a slender region of the clamping bolt.
  • the clamping eccentric are rotated only a quarter turn to effect the clamping or releasing. Due to the clamping eccentric, a fixed clamping position can furthermore be predetermined, so that too light or too tight a tightening of the shaft and consequent inaccuracies or distortions can be avoided. In addition, the clamping eccentric and the clamping bolt remain mounted even when dismantling the shaft to the parts to be connected so that they can not be lost even with a disassembly of the shaft in the field.
  • the clamping bolt on the closure housing and the clamping eccentric are arranged in the shaft.
  • the clamping eccentric may e.g. be rotatably disposed in the front shaft about an axis perpendicular to the longitudinal axis of the shaft.
  • the clamping eccentric is expediently housed rotatably within a housing on a base plate.
  • the clamping eccentric can also be arranged without a separate housing in the shaft.
  • the clamping eccentric preferably has on the outside at least one eccentric clamping surface for engagement with a contact surface of the clamping bolt.
  • an axial pull-in force between the clamping eccentric and the clamping bolt can be generated.
  • the clamping eccentric can also be designed symmetrically and have two opposing eccentric clamping surfaces and two opposing slots. Then no special installation position must be taken into account when installing the clamping eccentric.
  • a locking device may be provided to prevent undesired rotation of the clamping eccentric.
  • the locking device may include, for example, a form-locking connected to the clamping eccentric, between a locking position and an actuating position axially displaceable actuating element, which is rotatable only in the operating position.
  • the actuating element has a trained as a hexagon head and lying below the head slimmer shaft and extends through an opening formed as a slot opening of a base plate such that the head secured in the blocking position within the opening against rotation is held and the shaft passes in the operating position in the region of the opening for rotation of the actuating element.
  • the clamping bolt can be fastened to the closure housing via a mounting element.
  • the mounting member may be pivotally mounted in a slot formed as a slit sleeve barrel receptacle of the closure housing between a stem mounting position and a barrel mounting position and be designed in the manner of a wedge such that the barrel mount is widened in the barrel assembly position. This allows the mounting element not only take over the mounting of the clamping bolt, but can also take over the function of a mounting aid for the assembly and disassembly of the barrel.
  • the in the FIGS. 1 to 6 Shaft fastening device 1 shown in various views contains a clamping bolt 3, which is fastened, for example, to a system box or lock housing 2 of a repeating rifle, and to a FIG. 2 recognizable clamping eccentric 4, according to FIG. 5
  • a clamping bolt 3 which is fastened, for example, to a system box or lock housing 2 of a repeating rifle, and to a FIG. 2 recognizable clamping eccentric 4, according to FIG. 5
  • the front shaft 5 can be fixed to the closure housing 2.
  • the clamping eccentric 4 is rotatably arranged within the front shaft 5 about an axis perpendicular to the longitudinal axis of the shaft 5.
  • the clamping eccentric 4 is within a housing 6 on an in FIG. 2 recognizable base plate 7 between a in FIG. 5 shown release position and a in FIG. 6 rotatably arranged clamping position shown.
  • the base plate 7 and the housing 6 with the clamping eccentric 4 arranged therein are provided via bores 8 and in FIG FIG. 2 recognizable screws 9 fixed in a corresponding recess 10 of the front shaft 5.
  • a through opening 11 is provided for the introduction of the clamping bolt 3.
  • clamping bolt 3 is arranged protruding in the assembly position in the direction of the longitudinal axis of the closure housing 2 from this forward and has at its free front end on a chuck 13 and an adjoining slender area 14.
  • clamping position of the clamping bolt 3 protrudes through the clamping eccentric 4 and the clamping head 13 is opposite to the clamping eccentric 4.
  • clamping eccentric 4 includes a perpendicular to the axis of rotation extending central through hole 15 and two diametrically opposite lateral slots 16 and 17 which extend up to a respective web 18 and 19 respectively.
  • the through hole 15 has a slightly larger inner diameter than the outer diameter of the clamping head 13, so that the clamping head 13 can be completely pushed through the clamping eccentric 4.
  • the slots 16 and 17 have a slightly larger width than the slimmer area 14 on the clamping bolt 3.
  • the slots 16 and 17 are designed such that the clamping eccentric 4 can be rotated with inserted clamping bolt 3 by approximately 90 °.
  • eccentric eccentric clamping surface 20 is provided, which comes with a rotation of the clamping eccentric 4 in the clamping position to rest on an inner tightening surface 22 on the inside of the clamping head 13 and an axial pull-in force between the clamping bolt 3 and the clamping eccentric 4 generated.
  • the clamping eccentric 4 is designed symmetrically with two opposite clamping surfaces 20 and 21 and two lateral receiving slots 16 and 17. As a result, the clamping eccentric 4 can be installed in two positions.
  • the clamping eccentric 4 can also have only one clamping surface 20 and an associated receiving slot 16.
  • the rotation of the clamping eccentric 4 is effected by a within the shaft 5 coaxial with the axis of rotation of the clamping eccentric 4 rotatably mounted and axially displaceable bolt-shaped actuating element 23, which against the force of a compression spring 24 between a in FIG. 3 shown lower locking position and one in FIG. 4 shown upper actuating position is axially displaceable.
  • the example by an Allen wrench or other suitable tool rotatable actuator 23 includes a protruding through an opening 25 in the base plate 7 upper part with a running as a hexagon head 26 and an underlying slimmer cylindrical shaft 38 which in FIG. 4 is recognizable.
  • the executed as a hexagon head 26 engages the rotation of the clamping eccentric 4 positively in a recess formed as a hexagon recess on the underside of the clamping eccentric 4 a.
  • the opening 25 is designed as a slot having a width which is only slightly larger than the key width of the executed as a hexagon head 26. If the hexagonal head 26 is thus located in the region of the opening 25 in the base plate 7, the actuating element 23 can not be rotated.
  • the slimmer shaft 38 located below the head 26 is arranged such that it only comes into contact with the displacement of the actuating element 23 in the upper actuating position in the region of the elongated opening 25 of the base plate 7 and thereby allows a rotation of the clamping eccentric 4.
  • the system box or the closure housing 2 has a trained as a split sleeve barrel holder 27 for releasably holding a barrel 28.
  • the clamping bolt 3 is connected via a bolt-shaped mounting member 29 with the closure housing 2.
  • the barrel holder 27 includes a slot 30 and in FIG. 1 recognizable lateral holes 31, via which the run as a split sleeve barrel mount 27 can be compressed by means of clamping screws 32 for fixing the barrel 28.
  • the mounting member 29 is with its flattened on both sides of the rear end 33 in the slot 30 to a in FIG. 1 recognizable transverse pin 34 between an in FIG. 7 illustrated shaft assembly position and a in FIG. 8 rotatably arranged shown Laufmontagegna.
  • the mounting element 29 according to FIG. 1 is aligned in the longitudinal direction of the closure housing 2, so that the clamping bolt 3 fastened in the mounting element 29 can be introduced into the clamping eccentric 4 when attaching the front shaft 5 to the closure housing 2.
  • the barrel holder 27 is widened, so that the barrel 28 can be mounted or dismantled more easily.
  • the mounting element 29 thus serves not only for holding the clamping bolt 3, but can also take over the function of a mounting aid for the assembly and disassembly of the barrel 28.

Description

Die Erfindung betrifft eine Schaftbefestigungsvorrichtung für eine Handfeuerwaffe. Die Erfindung betrifft außerdem eine Handfeuerwaffe mit einer derartigen Schaftbefestigungsvorrichtung. Eine Schaftbefestigungsvorrichtung zur Fixierung eines Schafts ist aus DE 3 509 125 bekant.The invention relates to a shaft attachment device for a handgun. The invention also relates to a handgun having such a shank attachment device. A shaft attachment device for fixing a shaft is made DE 3 509 125 bekant.

Bei den bisher bekannten Handfeuerwaffen werden die üblicherweise aus Holz oder Kunststoff bestehenden Schäfte in der Regel über spezielle Gewindeschrauben an dem Systemkasten bzw. Verschlussgehäuse befestigt. Ein Nachteil dieser Befestigung besteht darin, dass die Gewindeschrauben zur Montage oder Demontage des Laufs mehrere Umdrehungen benötigen, was mit einem entsprechenden Zeit- und Montageaufwand verbunden ist. Außerdem können die Gewindeschrauben im Einsatz einfach verloren gehen.In the previously known handguns usually made of wood or plastic shafts are usually attached via special threaded screws on the system box or lock housing. A disadvantage of this attachment is that the threaded screws for mounting or dismounting of the barrel require several turns, which is associated with a corresponding time and assembly costs. In addition, the threaded bolts can easily be lost in use.

Aufgabe der Erfindung ist es, eine Schaftbefestigungsvorrichtung und eine Handfeuerwaffe mit einer derartigen Schaftbefestigungsvorrichtung zu schaffen, die eine einfache und schnelle Montage bzw. Demontage eines Schafts ermöglichen.The object of the invention is to provide a shaft attachment device and a handgun with such a shaft attachment device, which allow a simple and quick assembly or disassembly of a shaft.

Diese Aufgabe wird durch eine Schaftbefestigungsvorrichtung mit den Merkmalen des Anspruchs 1 und durch eine Handfeuerwaffe mit den Merkmalen des Anspruchs 13 gelöst. Zweckmäßige Ausgestaltungen und vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by a shaft attachment device with the features of claim 1 and by a hand gun with the features of claim 13. Advantageous embodiments and advantageous developments of the invention are specified in the dependent claims.

Die erfindungsgemäße Schaftbefestigungsvorrichtung besteht aus einem Spannbolzen und einem mit dem Spannbolzen zusammenwirkenden Spannexzenter, durch den der Schaft unter Erzeugung einer axialen Zugkraft an dem Verschlussgehäuse befestigbar ist. Der Spannexzenter weist eine zentrale Durchgangsbohrung zum Durchstecken eines Spannkopfs des Spannbolzens und mindestens einen seitlichen Schlitz zur Aufnahme eines schlankeren Bereichs des Spannbolzens auf. Dadurch kann der Spannbolzen durch den Spannexzenter gesteckt und der Spannexzenter in eine Spannstellung gedreht werden. Über den Spannexzenter und den dazugehörigen Spannbolzen wird ein Schnellverschluss geschaffen, der auch ohne aufwändige Montagearbeiten eine schnelle und sichere Montage und Demontage des Schafts ermöglicht. Im Vergleich zu üblichen Befestigungsschrauben muss der Spannexzenter lediglich mit einer Viertelumdrehung gedreht werden, um das Spannen bzw. Lösen zu bewirken. Durch den Spannexzenter kann ferner eine feste Spannposition vorgegeben werden, so dass ein zu leichtes oder zu festes Anziehen des Schafts und dadurch bedingte Ungenauigkeiten bzw. Verspannungen vermieden werden können. Der Spannexzenter und der Spannbolzen bleiben außerdem auch bei einer Demontage des Schafts an den zu verbindenden Teilen montiert, so dass sie selbst bei einer Demontage des Schaftes im Feld nicht verloren gehen können.The shaft fastening device according to the invention consists of a clamping bolt and a clamping eccentric cooperating with the clamping bolt, by means of which the shaft can be fastened to the closure housing to produce an axial tensile force. The clamping eccentric has a central through-hole for inserting a clamping head of the clamping bolt and at least one lateral slot for receiving a slender region of the clamping bolt. As a result, the clamping bolt can be inserted through the clamping eccentric and the clamping eccentric can be turned into a clamping position. About the clamping eccentric and the associated clamping bolt a quick release is created, which allows a quick and safe assembly and disassembly of the shaft even without complex assembly work. Compared to usual fixing screws must the clamping eccentric are rotated only a quarter turn to effect the clamping or releasing. Due to the clamping eccentric, a fixed clamping position can furthermore be predetermined, so that too light or too tight a tightening of the shaft and consequent inaccuracies or distortions can be avoided. In addition, the clamping eccentric and the clamping bolt remain mounted even when dismantling the shaft to the parts to be connected so that they can not be lost even with a disassembly of the shaft in the field.

In einer vorteilhaften Ausgestaltung sind der Spannbolzen an dem Verschlussgehäuse und der Spannexzenter in dem Schaft angeordnet. Zur Befestigung eines vorderen Schafts kann der Spannexzenter z.B. in dem vorderen Schaft um eine zur Längsachse des Schafts senkrechte Achse drehbar angeordnet sein. Der Spannexzenter ist zweckmäßigerweise innerhalb eines Gehäuses auf einer Grundplatte drehbar untergebracht. Der Spannexzenter kann aber auch ohne separates Gehäuse in dem Schaft angeordnet sein.In an advantageous embodiment of the clamping bolt on the closure housing and the clamping eccentric are arranged in the shaft. For fixing a front shaft, the clamping eccentric may e.g. be rotatably disposed in the front shaft about an axis perpendicular to the longitudinal axis of the shaft. The clamping eccentric is expediently housed rotatably within a housing on a base plate. However, the clamping eccentric can also be arranged without a separate housing in the shaft.

Der Spannexzenter weist vorzugsweise an der Außenseite mindestens eine exzentrische Spannfläche zur Anlage an einer Anzugsfläche des Spannbolzens auf. Dadurch kann eine axiale Einzugskraft zwischen dem Spannexzenter und dem Spannbolzen erzeugt werden. Der Spannexzenter kann aber auch symmetrisch ausgeführt sein und zwei gegenüberliegende exzentrische Spannflächen und zwei gegenüberliegende Schlitze aufweisen. Dann muss bei der Montage des Spannexzenters keine spezielle Einbaustellung berücksichtigt werden.The clamping eccentric preferably has on the outside at least one eccentric clamping surface for engagement with a contact surface of the clamping bolt. As a result, an axial pull-in force between the clamping eccentric and the clamping bolt can be generated. However, the clamping eccentric can also be designed symmetrically and have two opposing eccentric clamping surfaces and two opposing slots. Then no special installation position must be taken into account when installing the clamping eccentric.

An dem Spannexzenter kann eine Sperreinrichtung zur Verhinderung einer unerwünschten Drehung des Spannexzenters vorgesehen sein. Die Sperreinrichtung kann z.B. ein mit dem Spannexzenter formschlüssiges verbundenes, zwischen einer Sperrstellung und einer Betätigungsstellung axial verschiebbares Betätigungselement umfassen, das nur in der Betätigungsstellung drehbar ist. Dies kann in einer zweckmäßigen Ausführung dadurch erfolgen, dass das Betätigungselement einen als Sechskant ausgebildeten Kopf und einen unterhalb des Kopfs liegenden schlankeren Schaft aufweist und durch eine als Langloch ausgebildete Öffnung einer Grundplatte derart verläuft, dass der Kopf in der Sperrstellung innerhalb der Öffnung gegen Drehung gesichert gehalten ist und der Schaft in der Betätigungsstellung in den Bereich der Öffnung zur Drehung des Betätigungselements gelangt.At the clamping eccentric a locking device may be provided to prevent undesired rotation of the clamping eccentric. The locking device may include, for example, a form-locking connected to the clamping eccentric, between a locking position and an actuating position axially displaceable actuating element, which is rotatable only in the operating position. This can be done in an expedient embodiment, characterized in that the actuating element has a trained as a hexagon head and lying below the head slimmer shaft and extends through an opening formed as a slot opening of a base plate such that the head secured in the blocking position within the opening against rotation is held and the shaft passes in the operating position in the region of the opening for rotation of the actuating element.

In einer weiteren zweckmäßigen Ausführung kann der Spannbolzen über ein Montageelement an dem Verschlussgehäuse befestigt sein. Das Montageelement kann in einem Schlitz einer als Schlitzhülse ausgebildeten Laufaufnahme des Verschlussgehäuses zwischen einer Schaftmontagestellung und einer Laufmontagestellung schwenkbar angeordnet und in Art eines Keils derart ausgebildet sein, dass die Laufaufnahme in der Laufmontagestellung aufgeweitet wird. Dadurch kann das Montageelement nicht nur die Halterung des Spannbolzens übernehmen, sondern kann auch die die Funktion einer Montagehilfe für die Montage bzw. Demontage des Laufs übernehmen.In a further expedient embodiment, the clamping bolt can be fastened to the closure housing via a mounting element. The mounting member may be pivotally mounted in a slot formed as a slit sleeve barrel receptacle of the closure housing between a stem mounting position and a barrel mounting position and be designed in the manner of a wedge such that the barrel mount is widened in the barrel assembly position. This allows the mounting element not only take over the mounting of the clamping bolt, but can also take over the function of a mounting aid for the assembly and disassembly of the barrel.

Weitere Besonderheiten und Vorzüge der Erfindung ergeben sich aus der folgenden Beschreibung eines bevorzugten Ausführungsbeispiels anhand der Zeichnung. Es zeigen:

Figur 1
ein Verschlussgehäuse eines Repetiergewehrs mit einer erfindungsgemäßen Schaftbefestigungsvorrichtung zur Fixierung eines vorderen Schafts an dem Verschlussgehäuse;
Figur 2
die in Figur 1 gezeigte Schaftbefestigungsvorrichtung ohne Gehäuse;
Figur 3
eine Detailansicht der Schaftbefestigungsvorrichtung mit einem Betätigungselement in einer Sperrstellung;
Figur 4
eine Detailansicht der Schaftbefestigungsvorrichtung mit dem Betätigungselement in einer Betätigungsstellung;
Figur 5
die Schaftbefestigungsvorrichtung mit einem Spannexzenter in einer Lösestellung im Schnitt;
Figur 6
die Schaftbefestigungsvorrichtung mit dem Spannexzenter von Figur 5 in einer Lösestellung im Schnitt;
Figur 7
eine Unteransicht eines Verschlussgehäuse mit einem Montageelement der Schaftbefestigungsvorrichtung in einer Schaftmontagestellung und
Figur 8
eine Unteransicht des Verschlussgehäuses mit dem Montageelement der Schaftbefestigungsvorrichtung in einer Laufmontagestellung.
Other features and advantages of the invention will become apparent from the following description of a preferred embodiment with reference to the drawings. Show it:
FIG. 1
a closure housing of a repeating rifle with a shaft fastening device according to the invention for fixing a front shaft to the closure housing;
FIG. 2
in the FIG. 1 shaft fastener without housing shown;
FIG. 3
a detail view of the shaft attachment device with an actuating element in a locking position;
FIG. 4
a detailed view of the shaft attachment device with the actuating element in an operating position;
FIG. 5
the shaft attachment device with a clamping eccentric in a release position in section;
FIG. 6
the shaft attachment device with the clamping eccentric of FIG. 5 in a release position in section;
FIG. 7
a bottom view of a closure housing with a mounting member of the shaft attachment device in a shaft assembly position and
FIG. 8
a bottom view of the closure housing with the mounting member of the shaft attachment device in a running assembly position.

Die in den Figuren 1 bis 6 in verschiedenen Ansichten dargestellte Schaftbefestigungsvorrichtung 1 enthält einen z.B. an einem Systemkasten bzw. Verschlussgehäuse 2 eines Repetiergewehrs befestigten Spannbolzen 3 und einen in Figur 2 erkennbaren Spannexzenter 4, der gemäß Figur 5 z.B. in einem vorderen Schaft 5 des Repetiergewehrs angeordnet sein kann. Durch den Spannbolzen 3 und den Spannexzenter 4 kann der vordere Schaft 5 an dem Verschlussgehäuse 2 fixiert werden.The in the FIGS. 1 to 6 Shaft fastening device 1 shown in various views contains a clamping bolt 3, which is fastened, for example, to a system box or lock housing 2 of a repeating rifle, and to a FIG. 2 recognizable clamping eccentric 4, according to FIG. 5 For example, can be arranged in a front shaft 5 of the repeating rifle. By the clamping bolt 3 and the clamping eccentric 4, the front shaft 5 can be fixed to the closure housing 2.

Wie aus den Figuren 5 und 6 hervorgeht, ist der Spannexzenter 4 innerhalb des vorderen Schafts 5 um eine zur Längsachse des Schafts 5 senkrechte Achse drehbar angeordnet. Der Spannexzenter 4 ist innerhalb eines Gehäuses 6 auf einer in Figur 2 erkennbaren Grundplatte 7 zwischen einer in Figur 5 gezeigten Lösestellung und einer in Figur 6 dargestellten Spannstellung drehbar angeordnet. Die Grundplatte 7 und das Gehäuse 6 mit dem darin angeordneten Spannexzenter 4 sind über Bohrungen 8 und in Figur 2 erkennbare Schrauben 9 in einer entsprechenden Ausnehmung 10 des vorderen Schafts 5 befestigt. In dem Gehäuse 6 ist eine durchgehende Öffnung 11 zur Einführung des Spannbolzens 3 vorgesehen.Like from the FIGS. 5 and 6 it can be seen, the clamping eccentric 4 is rotatably arranged within the front shaft 5 about an axis perpendicular to the longitudinal axis of the shaft 5. The clamping eccentric 4 is within a housing 6 on an in FIG. 2 recognizable base plate 7 between a in FIG. 5 shown release position and a in FIG. 6 rotatably arranged clamping position shown. The base plate 7 and the housing 6 with the clamping eccentric 4 arranged therein are provided via bores 8 and in FIG FIG. 2 recognizable screws 9 fixed in a corresponding recess 10 of the front shaft 5. In the housing 6, a through opening 11 is provided for the introduction of the clamping bolt 3.

Auch in dem Schaft 5 befindet sich ein mit der Öffnung 11 fluchtender Durchgang 12 für die Einführung des Spannbolzens 3. Der an dem vorderen Ende des Verschlussgehäuses 2 befestigte Spannbolzen 3 ist in der Montagestellung in Richtung der Längsachse des Verschlussgehäuses 2 von diesem nach vorne vorstehend angeordnet und weist an seinem freien vorderen Ende einen Spannkopf 13 und einen daran anschließenden schlankeren Bereich 14 auf. Bei der in Figur 6 gezeigten Spannstellung ragt der Spannbolzen 3 durch den Spannexzenter 4 hindurch und der Spannkopf 13 steht gegenüber dem Spannexzenter 4 vor.Also in the shaft 5 is an aligned with the opening 11 passage 12 for the introduction of the clamping bolt 3. The attached to the front end of the closure housing 2 clamping bolt 3 is arranged protruding in the assembly position in the direction of the longitudinal axis of the closure housing 2 from this forward and has at its free front end on a chuck 13 and an adjoining slender area 14. At the in FIG. 6 shown clamping position of the clamping bolt 3 protrudes through the clamping eccentric 4 and the clamping head 13 is opposite to the clamping eccentric 4.

Der in Figur 2 und den Figuren 5 und 6 gezeigte Spannexzenter 4 enthält eine zu dessen Drehachse rechtwinklig verlaufende zentrale Durchgangsbohrung 15 und zwei diametral gegenüberliegende seitliche Schlitze 16 und 17, die sich bis zu jeweils einem Steg 18 bzw. 19 erstrecken. Die Durchgangsbohrung 15 weist einen etwas größeren Innendurchmesser als der Außendurchmesser des Spannkopfs 13 auf, so dass der Spannkopf 13 vollständig durch den Spannexzenter 4 durchgesteckt werden kann. Die Schlitze 16 und 17 weisen eine etwas größere Breite als der schlankere Bereich 14 am Spannbolzen 3 auf. Die Schlitze 16 und 17 sind derart ausgebildet, dass der Spannexzenter 4 bei eingestecktem Spannbolzen 3 um ca. 90° gedreht werden kann. An der Außenseite des Spannexzenters 4 ist mindestens eine z.B. spiralförmig verlaufende exzentrische Spannfläche 20 vorgesehen, die bei einer Drehung des Spannexzenters 4 in die Spannstellung zur Anlage an einer inneren Anzugsfläche 22 an der Innenseite des Spannkopfs 13 gelangt und eine axiale Einzugskraft zwischen dem Spannbolzen 3 und dem Spannexzenter 4 erzeugt.The in FIG. 2 and the FIGS. 5 and 6 shown clamping eccentric 4 includes a perpendicular to the axis of rotation extending central through hole 15 and two diametrically opposite lateral slots 16 and 17 which extend up to a respective web 18 and 19 respectively. The through hole 15 has a slightly larger inner diameter than the outer diameter of the clamping head 13, so that the clamping head 13 can be completely pushed through the clamping eccentric 4. The slots 16 and 17 have a slightly larger width than the slimmer area 14 on the clamping bolt 3. The slots 16 and 17 are designed such that the clamping eccentric 4 can be rotated with inserted clamping bolt 3 by approximately 90 °. At the outside of the clamping eccentric 4 at least one example, eccentric eccentric clamping surface 20 is provided, which comes with a rotation of the clamping eccentric 4 in the clamping position to rest on an inner tightening surface 22 on the inside of the clamping head 13 and an axial pull-in force between the clamping bolt 3 and the clamping eccentric 4 generated.

Bei der gezeigten Ausführung ist der Spannexzenter 4 symmetrisch mit zwei gegenüberliegenden Spannflächen 20 und 21 und zwei seitlichen Aufnahmeschlitzen 16 und 17 ausgeführt. Dadurch kann der Spannexzenter 4 in zwei Stellungen eingebaut werden. Der Spannexzenter 4 kann aber auch nur einen Spannfläche 20 und einen zugehörigen Aufnahmeschlitz 16 aufweisen.In the embodiment shown, the clamping eccentric 4 is designed symmetrically with two opposite clamping surfaces 20 and 21 and two lateral receiving slots 16 and 17. As a result, the clamping eccentric 4 can be installed in two positions. The clamping eccentric 4 can also have only one clamping surface 20 and an associated receiving slot 16.

Die Drehung des Spannexzenters 4 erfolgt durch ein innerhalb des Schafts 5 koaxial zur Drehachse des Spannexzenters 4 drehbar angeordnetes und axial verschiebbares bolzenförmiges Betätigungselement 23, das entgegen der Kraft einer Druckfeder 24 zwischen einer in Figur 3 gezeigten unteren Sperrstellung und einer in Figur 4 dargestellten oberen Betätigungsstellung axial verschiebbar ist. Das z.B. durch einen Inbusschlüssel oder ein anderes geeignetes Werkzeug drehbare Betätigungselement 23 enthält ein durch eine Öffnung 25 in der Grundplatte 7 ragendes Oberteil mit einem als Sechskant ausgeführten Kopf 26 und einem darunter liegenden schlankeren zylindrischen Schaft 38, der in Figur 4 erkennbar ist.The rotation of the clamping eccentric 4 is effected by a within the shaft 5 coaxial with the axis of rotation of the clamping eccentric 4 rotatably mounted and axially displaceable bolt-shaped actuating element 23, which against the force of a compression spring 24 between a in FIG. 3 shown lower locking position and one in FIG. 4 shown upper actuating position is axially displaceable. The example by an Allen wrench or other suitable tool rotatable actuator 23 includes a protruding through an opening 25 in the base plate 7 upper part with a running as a hexagon head 26 and an underlying slimmer cylindrical shaft 38 which in FIG. 4 is recognizable.

Der als Sechskant ausgeführten Kopf 26 greift zur Drehung des Spannexzenters 4 formschlüssig in eine als Innensechskant ausgebildete Ausnehmung an der Unterseite des Spannexzenters 4 ein. Die Öffnung 25 ist als Langloch mit einer Breite ausgeführt, die nur geringfügig größer als die Schlüsselweite des als Sechskant ausgeführten Kopfs 26 ist. Wenn sich der als Sechskant ausgeführte Kopf 26 also im Bereich der Öffnung 25 in der Grundplatte 7 befindet, kann das Betätigungselement 23 nicht gedreht werden. Der unter dem Kopf 26 liegende schlankere Schaft 38 ist derart angeordnet, dass er nur bei der Verschiebung der Betätigungselements 23 in die obere Betätigungsstellung in den Bereich der als Langloch ausgeführten Öffnung 25 der Grundplatte 7 kommt und dadurch eine Drehung des Spannexzenters 4 ermöglicht. Wenn das Betätigungselement 23 dagegen durch die Druckfeder 24 in die untere Verriegelungsstellung gedrückt wird, steht der als Sechskant ausgeführte Kopf 26 auch in Eingriff mit der als Langloch ausgeführten Öffnung 25, wodurch eine Drehung des Spannexzenters 4 verhindert wird. Das Betätigungselement 23 muss also erst entgegen der Kraft der Druckfeder 24 eingedrückt werden, bevor der Spannexzenter 4 gedreht werden kann. Dadurch wird eine Sperreinrichtung zur Verhinderung einer unerwünschten Drehung des Spannexzenters 4 geschaffen.The executed as a hexagon head 26 engages the rotation of the clamping eccentric 4 positively in a recess formed as a hexagon recess on the underside of the clamping eccentric 4 a. The opening 25 is designed as a slot having a width which is only slightly larger than the key width of the executed as a hexagon head 26. If the hexagonal head 26 is thus located in the region of the opening 25 in the base plate 7, the actuating element 23 can not be rotated. The slimmer shaft 38 located below the head 26 is arranged such that it only comes into contact with the displacement of the actuating element 23 in the upper actuating position in the region of the elongated opening 25 of the base plate 7 and thereby allows a rotation of the clamping eccentric 4. On the other hand, when the actuating element 23 is pressed by the compression spring 24 into the lower locking position, the hexagonal head 26 is also in engagement with the opening 25 designed as a slot, thereby a rotation of the clamping eccentric 4 is prevented. The actuating element 23 must therefore be pressed against the force of the compression spring 24 only before the clamping eccentric 4 can be rotated. As a result, a locking device is provided to prevent unwanted rotation of the clamping eccentric 4.

Bei der in der Zeichnung dargestellten Ausführung weist der Systemkasten bzw. das Verschlussgehäuse 2 eine als Schlitzhülse ausgebildete Laufaufnahme 27 zur lösbaren Halterung eines Laufs 28 auf. Der Spannbolzen 3 ist über ein bolzenförmiges Montageelement 29 mit dem Verschlussgehäuse 2 verbunden. Wie aus den Unteransichten der Figuren 7 und 8 hervorgeht, enthält die Laufaufnahme 27 einen Schlitz 30 und in Figur 1 erkennbare seitliche Bohrungen 31, über welche die als Schlitzhülse ausgeführte Laufaufnahme 27 mit Hilfe von Klemmschrauben 32 zur Fixierung des Laufs 28 zusammengedrückt werden kann. Das Montageelement 29 ist mit seinem beidseitig abgeflachten hinteren Ende 33 in dem Schlitz 30 um einen in Figur 1 erkennbaren Querstift 34 zwischen einer in Figur 7 dargestellten Schaftmontagestellung und einer in Figur 8 gezeigten Laufmontagestellung drehbar angeordnet.In the embodiment shown in the drawing, the system box or the closure housing 2 has a trained as a split sleeve barrel holder 27 for releasably holding a barrel 28. The clamping bolt 3 is connected via a bolt-shaped mounting member 29 with the closure housing 2. As seen from the bottom views of FIGS. 7 and 8 As can be seen, the barrel holder 27 includes a slot 30 and in FIG. 1 recognizable lateral holes 31, via which the run as a split sleeve barrel mount 27 can be compressed by means of clamping screws 32 for fixing the barrel 28. The mounting member 29 is with its flattened on both sides of the rear end 33 in the slot 30 to a in FIG. 1 recognizable transverse pin 34 between an in FIG. 7 illustrated shaft assembly position and a in FIG. 8 rotatably arranged shown Laufmontagestellung.

In einer in Figur 8 erkennbaren Gewindebohrung 35 im vorderen Ende des bolzenförmigen Montageelements 29 ist der Spannbolzen 3 festgeschraubt. Das abgeflachte hintere Ende 33 des Montageelements 29 ist in Art eines Keils derart ausgebildet, dass die Laufaufnahme 27 beim Verschwenken des Montageelements 29 in die Stellung von Figur 8 zur einfacheren Montage oder Demontage des Laufs 28 aufgespreizt wird. Hierzu können an dem im Schlitz 30 angelenkten Ende 33 des Montageelements in Figur 7 erkennbare seitliche Keilflächen 36 vorgesehen sein, die beim Verschwenken des Montageelements 29 in die Stellung von Figur 8 zur Anlage an einem stufenförmigen Absatz 37 zwischen einem breiteren äußeren Bereich und einem schmäleren inneren Bereich des Schlitzes 30 gelangen und dadurch die Laufaufnahme 27 aufspreizen.In an in FIG. 8 recognizable threaded hole 35 in the front end of the bolt-shaped mounting member 29, the clamping bolt 3 is screwed tight. The flattened rear end 33 of the mounting member 29 is formed in the manner of a wedge such that the running receptacle 27 upon pivoting of the mounting member 29 in the position of FIG. 8 for easier assembly or disassembly of the barrel 28 is spread. For this purpose, at the hinged end in the slot 30 33 of the mounting element in FIG. 7 recognizable lateral wedge surfaces 36 may be provided, which upon pivoting of the mounting member 29 in the position of FIG. 8 for engagement with a step-shaped shoulder 37 between a wider outer portion and a narrower inner portion of the slot 30 and thereby spread the barrel holder 27.

In der Schaftmontagestellung von Figur 7 ist das Montageelement 29 gemäß Figur 1 in Längsrichtung des Verschlussgehäuses 2 ausgerichtet ist, so dass der im Montageelement 29 befestigte Spannbolzen 3 beim Ansetzen des vorderen Schafts 5 an das Verschlussgehäuse 2 in den Spannexzenter 4 eingeführt werden kann. In der nach unten verschwenkten Laufmontagestellung von Figur 8 wird dagegen die Laufaufnahme 27 aufgeweitet, so dass der Lauf 28 einfacher montiert oder demontiert werden kann. Das Montageelement 29 dient somit nicht nur zur Halterung des Spannbolzens 3, sondern kann auch die Funktion einer Montagehilfe für die Montage bzw. Demontage des Laufs 28 übernehmen.In the shank assembly position of FIG. 7 is the mounting element 29 according to FIG. 1 is aligned in the longitudinal direction of the closure housing 2, so that the clamping bolt 3 fastened in the mounting element 29 can be introduced into the clamping eccentric 4 when attaching the front shaft 5 to the closure housing 2. In the downwardly pivoted run assembly position of FIG. 8 in contrast, the barrel holder 27 is widened, so that the barrel 28 can be mounted or dismantled more easily. The mounting element 29 thus serves not only for holding the clamping bolt 3, but can also take over the function of a mounting aid for the assembly and disassembly of the barrel 28.

Claims (13)

  1. Stock fastening device (1) for fixing a stock (5) to a receiver (2) of a hand firearm, characterised by a clamping bolt (3) and a clamping eccentric (4) which cooperates with the clamping bolt (3) and exhibits a central through-bore (15) for passage of a clamping head (13) of the clamping bolt (3) and at least one lateral slot (16, 17) for receiving a slimmer region (14) of the clamping bolt (3).
  2. Stock fastening device according to claim 1, characterised in that the clamping bolt (3) is arranged on the receiver (2) and the clamping eccentric (4) is arranged in the stock (5).
  3. Stock fastening device according to claim 1 or 2, characterised in that the clamping eccentric (4) is arranged in a fore stock (5) so as to be able to turn about an axis perpendicular to the longitudinal axis of the stock (5).
  4. Stock fastening device according to one of claims 1 to 3, characterised in that the clamping eccentric (4) is arranged inside a housing (6) so as to be able to turn on a base plate (7).
  5. Stock fastening device according to one of claims 1 to 4, characterised in that on the outside the clamping eccentric (4) exhibits at least one eccentric clamping face (20, 21) for bearing on a tightening face (22) on the clamping head (13) of the clamping bolt (3).
  6. Stock fastening device according to one of claims 1 to 5, characterised in that a locking device (23, 25, 26) is arranged on the clamping eccentric (4) to avoid undesired turning of the clamping eccentric (4).
  7. Stock fastening device according to claim 6, characterised in that the locking device (23, 25, 26) comprises an actuating element (23) which is connected with the clamping eccentric (4) in form-locking fashion and is displaceable axially between a locking position and an actuating position and can only be turned in the actuating position.
  8. Stock fastening device according to claim 7, characterised in that the actuating element (23) exhibits a head (26) embodied as a hexagon and a slimmer shank (38) lying underneath the head (26) and runs through an opening (25) embodied as a slot in a base plate (7) in such a way that in the locking position the head (26) is held inside the opening (25) so that it cannot turn and in the actuating position the shank (38) is in the region of the opening (25) allowing the actuating element (23) to turn.
  9. Stock fastening device according to one of claims 1 to 8, characterised in that the clamping bolt (3) is fastened to the receiver (2) by means of a mounting element (29).
  10. Stock fastening device according to claim 9, characterised in that the mounting element (29) is arranged in a slot (30) of a barrel mounting receptacle (27) of the receiver (2) embodied as a slotted sleeve.
  11. Stock fastening device according to claim 10, characterised in that the mounting element (29) is arranged in the slot (30) so as to be able to pivot between a stock mounting position and a barrel mounting position and is embodied in the manner of a wedge in such a way that the barrel mounting receptacle (27) is widened in the barrel mounting position.
  12. Stock fastening device according to claim 11, characterised in that the mounting element (29) comprises lateral wedge faces (36) for bearing on a step-shaped shoulder (37) in the slot (30).
  13. Hand firearm with a stock fastening device (1) for fixing a stock (5) to a receiver (2) of the hand firearm, characterised in that the stock fastening device (1) is embodied according to one of claims 1 to 12.
EP12186022.5A 2011-10-04 2012-09-26 Forestock mounting system for a handgun Active EP2578985B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12186022T PL2578985T3 (en) 2011-10-04 2012-09-26 Forestock mounting system for a handgun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011114687A DE102011114687A1 (en) 2011-10-04 2011-10-04 Shank attachment device for a handgun

Publications (3)

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EP2578985A2 EP2578985A2 (en) 2013-04-10
EP2578985A3 EP2578985A3 (en) 2015-01-14
EP2578985B1 true EP2578985B1 (en) 2015-06-24

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US (1) US8850736B2 (en)
EP (1) EP2578985B1 (en)
DE (1) DE102011114687A1 (en)
DK (1) DK2578985T3 (en)
ES (1) ES2543699T3 (en)
HU (1) HUE025359T2 (en)
PL (1) PL2578985T3 (en)
PT (1) PT2578985E (en)
RS (1) RS54191B1 (en)
RU (1) RU2509974C1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519567B1 (en) * 2017-05-04 2018-08-15 Steyr Mannlicher Gmbh Housing for a firearm with changeable barrel
US20230228520A1 (en) * 2022-01-14 2023-07-20 Amend2, Llc Rifle chassis interlock to rifle stock device and system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE492193A (en) * 1948-11-16
DD126968A1 (en) * 1975-10-20 1977-08-24
FI69362C (en) * 1984-03-14 1986-01-10 Sako Tikka Ab Oy ANORDING VID ETT SKJUTVAPEN FOER JUSTERING AV GLAPPET MELLAN VAPENKOLVENS FRAEMRE DEL OCH PIPAN
DE3509125A1 (en) * 1985-03-14 1986-09-25 Samuel Triesen Kindle Front-stock retention for hunting weapons
RU2074346C1 (en) * 1993-12-14 1997-02-27 Государственный завод "Ижмаш" Self-loading weapon
US6886286B2 (en) * 2001-08-10 2005-05-03 Samuel F. Dowding Method of attaching the stock of a firearm to a frame
DE10205503C1 (en) * 2002-02-09 2003-07-10 Manfred Orth Take down rifle has barrel and forepiece locked to stock using spring loaded catch
US7823315B2 (en) * 2005-10-20 2010-11-02 O.F. Mossberg & Sons, Inc. Method and apparatus for easy connect stocks
DE202006001486U1 (en) * 2006-01-30 2006-05-11 Blaser, Horst Removable front shaft for weapons has retaining pin with U-shaped recess whereby the recess has a slant surface in the direction of closing case
US8051593B2 (en) * 2008-09-22 2011-11-08 Vesligaj Zeljko Stock assembly with recoil suppression

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PL2578985T3 (en) 2015-12-31
EP2578985A2 (en) 2013-04-10
ES2543699T3 (en) 2015-08-21
US8850736B2 (en) 2014-10-07
US20130081316A1 (en) 2013-04-04
PT2578985E (en) 2015-10-13
EP2578985A3 (en) 2015-01-14
DK2578985T3 (en) 2015-09-07
RS54191B1 (en) 2015-12-31
DE102011114687A1 (en) 2013-04-04
RU2509974C1 (en) 2014-03-20
HUE025359T2 (en) 2016-02-29

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