Fastening device for attaching a long weapon to a support device

Abstract

In a fastening device (100) for detachably fastening a long weapon (200) to a pivotable support device (300), wherein a system box (220) arranged in a stock (210) of the long weapon (200) is movable in the direction of a barrel (230) of the long weapon (200), in that two nuts (233, 234), each provided with a first internal thread (111) and a polygonal recess (112) provided for interaction with an adapted key, each cooperate with an associated bolt (231, 232), which is provided with an external thread and has a first end firmly integrated in the barrel (230) of the long weapon (200), in order to firmly fasten the system box (220) to the barrel (230) by screwing a respective nut (233, 234) onto a respective bolt (231, 232). anchoring is a detachably fixed connection of a shaft (210) of the long weapon (200) with a support device (300) suitable for resting the long weapon (200) thereby made possible,that a respective nut (233, 234) is provided with a second internal thread (113) in addition to the first internal thread (111) for inserting screws (235, 236) for releasably fastening a fastening rail (240) designed for attaching the long weapon (200) to a support device (300) to the shaft (210) of the long weapon (200).

Description

The invention relates to a fastening device for detachably fastening a long weapon to a pivotable support device, wherein a system box arranged in a shank of the long weapon can be moved in the direction of a barrel of the long weapon by two nuts each provided with a first internal thread and a polygonal recess provided for cooperation with an adapted key each cooperating with an associated bolt provided with an external thread and integrated with a first end fixedly in the barrel of the long weapon in order to fixedly anchor the system box to the barrel by screwing a nut onto a respective bolt.Fastening devices of the type mentioned at the beginning are used in the prior art to firmly anchor a system box of a long weapon containing, inter alia, a magazine receiving shaft to a barrel of the long weapon.However, the known fastening devices all have the disadvantage that they are not suitable for detachably fixedly connecting a shaft of the long weapon enclosing the system box to a support device for placing the long weapon.The document DE 103 35 821 A1 discloses an assembly device which forms an interface between an appliance, in particular a weapon, and an attachment, having two or more substantially parallel, spaced pins which are preferably assigned to the attachment, and two or more bores as receptacles for these, which are each equipped with an undercut, and having a locking device which is preferably sprung off by a spring and which is assigned to one of the pins and has a handle, while another pin is preferably rigid, wherein the undercuts of two bores are formed either on their mutually remote and / or on their mutually facing sides, the undercuts of the bores are chamfered, the pins carry heads formed compatible with the chamfered undercuts, and one of the pins bears against the force of the locking device, preferably spring, The pin can be moved axially in the direction of its head and can be rotated by means of the handle, the head of this pin protruding radially beyond the latter only on one side, so that when this pin is rotated by means of the handle its head runs with the compatible configuration against the force of the spring onto the bevelled undercut of the associated bore.The publication DE 10 2006 024 508 A1 discloses a holder for attachments on firearms, such as devices for laser marking, in particular on guns and long weapons, with spaced fastening rails, which correspond to correspondingly designed guide grooves on the firearm in a longitudinally displaceable manner, wherein the spaced fastening rails of the holder are designed to be adjustable in their distance from one another.The document DE 10 2015 016 090 A1 discloses a device for fastening an additional part to a weapon, having a base body, on the first side of which at least one first clamping jaw is arranged fixedly and on the opposite second side of which at least one second clamping jaw is arranged movably in such a way that the movable clamping jaw can be clamped against the fixed clamping jaw while clamping a fastening rail arranged on the weapon, wherein an actuating device arranged in or on the base body on the side of the fixed clamping jaw is provided, which actuating device reaches through the base body and is connected to the movable clamping jaw, wherein the clamping force is generated by a spring or magnet device which is arranged between the actuating device and the base body and / or the movable clamping jaw and the base body, and wherein the movable clamping jaw can be brought from its clamping position into the open position by actuating the actuating device.From the publication DE 20 2021 102 487 U1 a firearm is known having a system box in which the weapon components essential for firing a shot can be accommodated, and a barrel detachably fastened to the system box, through which a projectile exits from the firearm when firing a shot, wherein the system box has a barrel bed on which a fastening section of the barrel rests and which is penetrated by a first borehole and a second borehole, the first borehole and the second borehole each run transversely to the firing direction and are designed to receive a first end section of fastening means in each case, and the fastening section of the barrel has a first receptacle and a second receptacle, which each run transversely to the firing direction and are designed to receive the respective second end section of the fastening means, In order to produce a play-free anchoring of the barrel in the moving bed both in the firing direction and transversely to the firing direction.From the document US 2018 / 0259293 A1 a firearm barrel with a barrel channel and an interface for mounting firearm accessories is known, wherein the firearm barrel is configured to be fastened to a firearm shaft such that the barrel channel is seated on a first side of the firearm shaft and the interface for mounting firearm accessories is configured to be aligned with a recess on a second side of the firearm shaft.US 5 276 988 A discloses a fastening device for attaching a first device to a second device, the fastening device being formed integrally with the first device and comprising a carrier connecting the fastening device to the first device, the fastening device comprising a locking means having a cam surface adapted to engage the second device and an actuator mounted on the locking means, the actuator having a normally open position and a normally closed position, the carrier holding the locking means and the actuator by means of a shaft mounted on the locking means and positioned through a first opening in the carrier to the actuator and holding a buffer.US 2016 / 0116245 A1 discloses a firearm holder system comprising a firearm shaft having a forearm and a plunger, wherein the plunger has a distal end opposite the forearm, wherein the distal end of the plunger has an opening and a channel extends from the opening into the firearm shaft, and a support having a support foot and a fastening structure for fastening the support foot to the forearm, wherein the support foot is removable from the fastening structure and wherein the channel is configured to support the support foot after the support foot is removed from the fastening structure.The object of the invention is to provide a fastening device with the aid of which a releasably fixed connection of a shank of the long weapon to a support device suitable for placing the long weapon is made possible.For a fastening device of the type mentioned at the beginning, this object is achieved according to the invention in that a respective nut is provided with a second internal thread in addition to the first internal thread, for the introduction of screws for the releasable fastening of a fastening rail designed for applying the long weapon to a support device to the shank of the long weapon, wherein the polygonal cutout is arranged between the first internal thread and the second internal thread.Preferred embodiments of the invention are the subject matter of the subclaims, the elements of which act in the sense of a further improvement of the solution approach of the object on which the invention is based.In the attachment device according to the invention, by means of the combination of features of the characterizing part of claim 1 in conjunction with the features of the preamble thereof, a releasably fixed connection of a shank of the long weapon is made possible to a support device suitable for placing the long weapon.According to a first preferred embodiment of the fastening device according to the invention, it is provided that the system box is provided with two bores for the respective reception of a bolt of the long weapon and contains an upper contact surface which, upon corresponding rotation of the nuts, can be pressed firmly against a lower surface of the barrel.According to another preferred embodiment of the fastening device according to the invention, the fastening rail is provided with two bores, wherein a screw provided with an external thread can be introduced through each bore, the end of which screw remote from the screw head can be screwed into the respective second internal thread of a respective nut in order to move the fastening rail in the direction of the system box for the purpose of a robust attachment of the fastening rail to the shaft of the long weapon enclosing the system box.According to an important preferred embodiment of the fastening device according to the invention, a longitudinal axis of a respective nut is arranged perpendicular to the longitudinal axis of the barrel within the long weapon, wherein the first internal thread is arranged near the system box above the polygonal cutout and the second internal thread is arranged near the fastening rail below the polygonal cutout.A lower surface of the fastening rail which comes into contact with a respective screw is preferably arranged at a predetermined angle to the longitudinal axis of the fastening rail in order to compensate for a tapering of the shank in the direction of the end.The polygonal cutout can be formed, for example, by a 6-edged cutout, wherein the nut is rotatable by means of a 6-edged key.The fastening rail is preferably provided with a dovetail running in the direction of a longitudinal axis of the fastening rail for attaching the fastening rail to a correspondingly designed plate of a ball joint of a support device preferably formed by a stand.The mounting rail is preferably formed by an ARCA Swiss rail and the stand is preferably formed by a three-leg stand.According to a further preferred embodiment of the attachment device according to the invention, the system box contains a front first part provided with the bores and a rear second part receiving a magazine and is provided with a running rail for movably mounting a breechblock of the long weapon.The fastening device according to the invention is explained below with reference to a preferred embodiment which is illustrated in the figure of the drawing. Shown therein are: FIG. 1 shows a preferred embodiment of the fastening device according to the invention in a cross-sectional view; FIG. 2 shows a long weapon with a system branch containing the preferred embodiment of the fastening device according to the invention shown in FIG. 1 in a partial cross-sectional view; FIG. 3 shows the system box containing the inventive fastening device of the long weapon shown in FIG. 2 in an exploded view; FIG. 4 shows the system box illustrated in FIG. 3 containing the fastening device according to the invention in the assembled state in a side view; FIG. 5 shows a side view of a support device for a long weapon with a system branch containing the preferred embodiment of the fastening device according to the invention shown in FIG. 1. FIG. 6 shows details of the support device illustrated in FIG. 5 in a side view.The fastening device 100 according to the invention illustrated in FIGS. 1 to 6 is provided for releasably fastening a long weapon 200 to a pivotable support device 300.A system box 220 arranged in a shank 210 of the long weapon 200 can be moved in the direction of a barrel 230 of the long weapon 200 in that two nuts 233, 234, each provided with a first internal thread 111 and a polygonal recess 112 provided for cooperation with an adapted key, for example a Allen key, each cooperate with an associated bolt 231, 232 provided with an external thread and integrated with a first end fixedly in the barrel 230 of the long weapon 200 in order to fixedly anchor the system box 220 to the barrel 230 by screwing a nut 233, 234 onto a respective bolt 231, 232.A respective nut 233, 234 is provided, in addition to the first internal thread 111, with a second internal thread 113, for inserting screws 235, 236 for the releasable fastening of a fastening rail 240 designed for applying the long weapon 200 to a support device 300 to the shank 210 of the long weapon 200.The system box 220 is provided with two bores for the respective reception of a bolt 231, 232 of the long weapon 200 and contains an upper contact surface 223 which, upon corresponding rotation of the nuts 233, 234, can be pressed firmly against a lower surface 237 of the barrel 230.The fastening rail 240 is provided with two bores, wherein a screw 235, 236, which is provided with an external thread and the end of which remote from the screw head can be screwed into the respective second internal thread 113 of a respective nut 233, 234, can be introduced through each bore in order to move the fastening rail 240 in the direction of the system box 220 for the purpose of a robust attachment of the fastening rail 240 to the shaft 210 of the long weapon 200 enclosing the system box 220.The polygonal recess 112 is arranged between the first internal thread 111 and the second internal thread 112.A longitudinal axis of a respective nut 233, 234 is arranged perpendicular to the longitudinal axis of the barrel within the long weapon 200, wherein the first internal thread 111 is arranged near the system box 220 above the polygonal recess 112 and the second internal thread 113 is arranged near the fastening rail 240 below the polygonal recess 112.A lower surface of the fastening rail 240 which comes into contact with a respective screw 235, 236 is arranged at a predetermined angle to the longitudinal axis of the fastening rail 240 in order to compensate for a tapering of the shank in the direction of the end line.The polygonal recess 112 is formed by a 6-edged recess, wherein the nut 233, 234 is rotatable by means of a 6-edged key.The fastening rail 240 is provided with a dovetail 243, 244 running in the direction of a longitudinal axis of the fastening rail 240 for attaching the fastening rail 240 to a correspondingly configured plate 310 of a ball joint 320 of a support device 300 formed by a stand.In the illustrated embodiment, the mounting rail 240 is formed by an ARCA Swiss rail and the support 300 is formed by a three-leg stand.The system box 220 contains a front first part provided with the bores 221, 222 and a rear second part receiving a magazine and is provided with a running rail for movably supporting a breech of the long weapon 200.The exemplary embodiment of the invention explained above serves only for the purpose of a better understanding of the teaching according to the invention specified by the claims, which as such is not restricted by the exemplary embodiment.Reference Sign List100 Fastening device 111 First internal thread 112 Polygonal recess 113 Second internal thread 200 Long weapon 210 Shank 220 System box 223 Contact surface 221, 222 Bore 2201 First part 2202 Second part 230 Barrel 231, 232 Bolt 233, 234 Nut 235, 236 Screw 237 Lower surface 240 Fastening rail 241, 242 Bore 243, 244 Dovetail 300 Support device 310 Plate 320 Ball joint

Claims

Fastening device (100) for detachably fastening a long weapon (200) to a pivotable support device (300), wherein a system box (220) arranged in a shank (210) of the long weapon (200) can be moved in the direction of a barrel (230) of the long weapon (200) by two nuts (233, 234), each provided with a first internal thread (111) and a polygonal recess (112) provided for cooperation with an adapted key, each cooperating with an associated bolt (231, 232), which is provided with an external thread and integrated with a first end firmly in the barrel (230) of the long weapon (200), in order to firmly anchor the system box (220) to the barrel (230) by screwing a respective nut (233, 234) onto a respective bolt (231, 232), characterized in that, a respective nut (233, 234) is provided with a second internal thread (113) in addition to the first internal thread (111), for inserting screws (235, 236) for the releasable fastening of a fastening rail (240), which is configured for applying the long weapon (200) to a support device (300), to the shank (210) of the long weapon (200), wherein - the polygonal cutout (112) is arranged between the first internal thread (111) and the second internal thread (113).Fastening device according to Claim 1, characterized in that the system box (220) is provided with two bores (221, 222) for respectively receiving a bolt (231, 232) of the long weapon (200) and contains an upper contact surface (223) which, when the nuts (233, 234) are rotated accordingly, can be pressed firmly against a lower surface (237) of the barrel (230).Fastening device according to one of the preceding claims, characterized in that the fastening rail (240) is provided with two bores (241, 242), wherein a screw (235, 236) provided with an external thread can be introduced through each bore (241, 242), the end of which remote from the screw head can be screwed into the respective second internal thread (113) of a respective nut (233, 234) in order to move the fastening rail (240) in the direction of the system box (220) for the purpose of a robust attachment of the fastening rail (240) to the shaft (210) of the long weapon (200) enclosing the system box (220).The fastening device according to any one of the preceding claims, characterized in that a longitudinal axis of a respective nut (233, 234) is arranged perpendicular to the longitudinal axis of the barrel within the long weapon (200), wherein the first internal thread (111) is arranged near the system box (220) above the polygonal recess (112) and the second internal thread (113) is arranged near the fastening rail (240) below the polygonal recess (112).Fastening device according to one of the preceding claims, characterized in that a lower surface of the fastening rail (240), which comes into contact with a respective screw (235, 236), is arranged at a predetermined angle to the longitudinal axis of the fastening rail (240) in order to compensate for a tapering of the shank (210) in the direction of travel.Fastening device according to one of the preceding claims, characterized in that the polygonal cutout (113) is formed by a 6-edged cutout and a nut (233, 234) can be rotated by means of a 6-edged key.Fastening device according to one of the preceding claims, characterized in that the fastening rail (240) is provided with a dovetail (243, 244) running in the direction of a longitudinal axis of the fastening rail (240) for attaching the fastening rail (240) to a correspondingly designed plate (310) of a ball joint (320) of a support device (300) formed by a stand.Fastening device according to one of the preceding claims, characterized in that the fastening rail (240) is formed by an ARCA-Swiss rail.Fastening device according to one of Claims 7 or 8, characterized in that the supporting device (300) is formed by a three-leg stand.Fastening device according to one of the preceding claims, characterized in that the system box (220) contains a front first part (2201) provided with the bores (221, 222) and a rear second part (2202) receiving a magazine and is provided with a running rail for movably mounting a breech of the long weapon (200).

Images