EP2539665B1 - Dispositif de guidage de fermeture pour système de fermeture et arme automatique dotée d'un dispositif de guidage de fermeture - Google Patents

Dispositif de guidage de fermeture pour système de fermeture et arme automatique dotée d'un dispositif de guidage de fermeture Download PDF

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Publication number
EP2539665B1
EP2539665B1 EP11704932.0A EP11704932A EP2539665B1 EP 2539665 B1 EP2539665 B1 EP 2539665B1 EP 11704932 A EP11704932 A EP 11704932A EP 2539665 B1 EP2539665 B1 EP 2539665B1
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EP
European Patent Office
Prior art keywords
breech
control
guide
closure
guide device
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
EP11704932.0A
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German (de)
English (en)
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EP2539665A1 (fr
Inventor
Stefan Doll
Martin Stussak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heckler und Koch GmbH
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Heckler und Koch GmbH
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Publication date
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Publication of EP2539665A1 publication Critical patent/EP2539665A1/fr
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Publication of EP2539665B1 publication Critical patent/EP2539665B1/fr
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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
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/29—Feeding of belted ammunition
    • F41A9/32—Reciprocating-slide-type belt transporters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/64—Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings

Definitions

  • the invention relates to a closure guide device for a closure assembly of an automatic rapid-fire weapon and an automatic rapid-fire weapon with a closure guide device.
  • the directional indications used above, below, at the front, at the back, at the right and at the left refer to a weapon held in the attack from the point of view of a shooter.
  • a closure guide device is known, which forms the starting point for the preamble of claim 1.
  • the DE 103 49 160 B3 shows a weapon component with a hollow body profile for receiving individual weapons elements.
  • a slide rail is arranged with a cross-sectional profile, which is designed for engagement in a corresponding groove in a closure element.
  • the slide can be designed to guide the closure element as a roller rail.
  • a self-loading grenade launcher of the same applicant in which a centrally arranged cam follower is formed on the closure head.
  • the cam follower may be formed as a roller rotatable about a vertical axis. This role runs in a curved cam in the cam lever, which forms the control cam, and controls the Muntionszubow (belt promotion).
  • a so-called pass-round rod fastened in a steel block passes through the housing and guides the ground-locking fastener as it moves along its longitudinal axis.
  • US 3,563,132 shows a cam lever with a control rail, which runs between two guide rollers on the closure head.
  • DE 1 678 508 B shows a gas pressure supercharger with a gas piston actuated closure for a firearm.
  • Lock carrier and lock head each comprise laterally oriented guide vanes which slide in corresponding grooves in the weapon housing. Further, a roller is arranged on the closure carrier, which enters the return mechanism of the closure in a cam groove on the belt switching mechanism and the gear switching mechanism via a sprocket on.
  • DE 197 26 032 A1 shows a closure system for a firearm MKM 88.
  • a control tunnel and a lateral control cam is arranged on a closure support of the gas pressure supercharger.
  • the control cam prevents twisting of a closure head control bar, which is intended to reduce the brake friction of the closure head.
  • a locking lug guides the individual elements.
  • laterally arranged slide rails are provided in the weapon housing, in which the closure piece is mounted displaceably.
  • CH 51 131 A shows a GeradzugverInstitut with locking lugs, which have inclined locking surfaces.
  • closure guide devices are usually complicated and costly to manufacture because of the necessary tight tolerances and may only provide limited functionality of the closure guide.
  • tilting of the closure guide device can occur, in particular in the case of rail guides, since a large guide play is often required in order to keep the guides insensitive to dirt.
  • high frictional forces can occur which increase wear and / or reduce the available actuating forces for weapon functions (e.g., belt conveyance).
  • the object of the present invention is to provide an improved closure guide device which at least partially overcomes the above disadvantages.
  • a closure guide assembly according to the invention comprises a carrier element arranged in the closure arrangement, a control element arranged on the carrier element and a guide element which guides the closure arrangement along a closure guide path, the carrier element having an axis of symmetry perpendicular to a axis of the axis on which the control element and the guide element are arranged coaxially.
  • Claim 13 relates to a rapid-fire weapon with a closure guide device.
  • a closure guide device can also each comprise a plurality of control and guide elements, which are arranged on the carrier element.
  • the closure guide device according to the invention each comprises a control and a guide element.
  • Control and guide elements are mounted on the carrier element coaxially to the axis of symmetry.
  • the control element and the guide element may have the same dimensions, or else the control element may be larger or smaller than the guide element.
  • Control and / or guide element can be arranged for example laterally from the closure assembly outstanding or at the top of the closure assembly.
  • the guide element is guided during a closing movement of corresponding guideways of a weapon housing.
  • the guideways may be formed in the weapon housing and are configured to form a functional unit with the guide member.
  • rail-like guide profiles may be formed in the housing, on which the guide element is guided slidingly and / or rolling during a closing movement.
  • About the coaxial arrangement of the control and the guide element can be on the control acting transverse forces on the guide element rolling and / or sliding in the housing or the housing half shells initiate. Overall, a high efficiency of the closure effect can be achieved by low friction or sliding resistance.
  • control element and the guide element are arranged slidingly mounted on the carrier element.
  • a sliding bearing allows high dynamic peak loads with low frictional resistance.
  • self-lubricating sliding coatings can be provided.
  • other suitable bearings such as rolling bearings or ball bearings can be provided here.
  • control element is arranged and formed axially displaceably together with the carrier element in a receptacle surrounding the carrier element.
  • control element and the support element are mounted against the action of an actuating element (for example the spring pressure of a spring element) in the receptacle.
  • an actuating element for example the spring pressure of a spring element
  • the control can be moved together with the carrier element axially against the spring pressure and in the closure assembly, for example in the closure carrier, which then forms the receptacle, are added.
  • the control can be completely submerged in the lock carrier. For example, if the control is formed on the top of the closure assembly, e.g. When closing a cartridge feeder cover, open the lateral edge of the guideway on the control lever on the control and push it into the lock carrier without damage.
  • the carrier element passes through the guide element and is designed to be displaceable relative to the guide element.
  • the control can be moved axially with the support member regardless of the guide element, whereby a simple component-saving design is possible.
  • the carrier element can be secured against the action of the actuating element via a securing element on the closure guide device.
  • a securing element a correspondingly suitable securing means, such as a pin, a bolt or a screw can be used.
  • Claim 7 relates to an embodiment in which the control element and the guide element are each formed as a roll, which roll on a lateral movement and / or control surfaces in a movement of the closure assembly.
  • the carrier element forms the control and guide roller axis.
  • An independent storage of the control and the guide element allow a comparatively small guide clearance between the guide roller and the guideways on the housing parts or housing sides.
  • the control or the control roller friction higher actuating and control forces, e.g. transferred to the cam lever of Gurt altogether.
  • the resulting counter forces are introduced via the guide element rolling into the housing. Overall, the closing movement is further facilitated by low frictional resistance of the control element and the guide element.
  • the rollers may also rotate in opposite directions. (Claim 8) Since the rollers face each other Supported lying sides, they rotate in a closing movement and the operation of a cam lever in opposite directions.
  • the stability of the closure guide can thus be increased.
  • At least one of the rollers on a spherical roller surface At least one of the rollers on a spherical roller surface.
  • a crowned cam roller which serves as a control, can not tilt a track (e.g., cam lever).
  • the coaxial design of the crowned cam roller and the guide roller allows a closure guide in which the guide element / guide roller or control / cam roller improves against each supported and manufacturing tolerances can be increased. Crowned rolling surfaces improve the rolling properties at different axial angles of the rollers to the guide or control tracks.
  • control engages in the forward and reverse of the closure assembly for controlling a cartridge feed on the control edge of a cam lever.
  • the control element can be arranged on the upper side of the closure carrier and the control curve can be arranged and formed in a cartridge feeder cover.
  • the control controls so in a shutter movement - during a reload or a firing - a belt conveyor provided in the housing cover on, and transmits the mutually acting actuating forces on the guide element with little play on the weapon housing.
  • the control element moves along a control path defined by the guide element and controls the oscillating pivotal movement of the control lever, which in turn drives the conveyor mechanism for the supply of cartridges.
  • the close tolerance of the guideways to each other reduces lateral accelerations of the weapon, which can affect their accuracy.
  • the invention provides a compact closure guide device, which increases the belt conveying force, reduces the resistance to movement of the closure device, and thus improves the overall function of the weapon can ensure that the entire fire cycle is low-friction and low-lateral acceleration and so ultimately the reliability and accuracy are increased.
  • the embodiment shown in the figures shows a closure assembly of a machine gun, not shown, which is designed as a gas pressure loader.
  • the closure assembly comprises a closure support 1, which is coupled at its front end via a gas pressure linkage 2 with the (not shown) Gasab casserole the weapon.
  • a gas pressure linkage 2 with the (not shown) Gasab
  • the removal of gas via a gas take-off cylinder (not shown) to the front end face of the piston 4 to a gas pressure which transmits a force on the gas pressure rod 2 on the Ver gleichlie and this in the housing 6 (see FIG. 3 ) moves backwards.
  • the housing 6 (see Fig. 3 ) is formed here by two housing shells 8 and 10, which in their interior serving as a closure guideways guide rails 12, 14, 16 and 18, which guide the lock carrier 1 in its reciprocation in the housing 6.
  • the lower guide rails 12, 14 engage in the guide grooves 20 and 22 on the left and right side of the closure support 1 and guide it horizontally in the longitudinal direction - in the transverse direction and vertically fixed - ie along a bore axis 24 (see Fig. 1 and 2 ) in the housing 6.
  • a guide-free gap 21 is formed between the front and rear left guide grooves 20 and right guide grooves 22, the guide is particularly low friction and insensitive to contamination. Dirt is from the guide grooves 20, 22, which surround the guide rails 12 and 14 claw-like, stripped and removed from the guide rails 12 and 14, so that the Dirt can not fix in the actual management area. In this way, the actual guide surfaces and thus the friction forces occurring are kept low. Characterized in that the guide grooves 20 and 22 are arranged in pairs at the front and rear ends of the closure carrier 1, this is supported over its entire length and guided without tilting in the housing.
  • closure carrier 1 at the upper rear end on a closure guide means 30 which includes a carrier element serving as a guide shaft 32 which rotatably receives at its upper end serving as a control control roller 34 and axially guided in a transverse recess 26 of the closure carrier 1, as a guide element serving guide roller 36 passes, which also rotatably seated on the guide shaft 32 and laterally protrudes beyond the side walls of the closure carrier 1.
  • Guide shaft 32, control roller 34 and guide roller 36 are arranged coaxially with respect to an axis of symmetry 33 which is perpendicular to the axis of the soul 24.
  • the guide shaft 32 itself is seated axially displaceable in a receiving opening 38 of the closure carrier 1 and is pressed by a spring 40 upwards and is against the spring pressure down into the serving as a receptacle closure carrier 1 in displaceable.
  • the axial travel is defined by a recess 42 on the outside of the guide shaft 32, in which a locking pin 44 passing through the locking carrier 1 in the transverse direction forms a stop.
  • the guide shaft 32 is thus displaceable between the upper and lower stop surface of the recess 42 against the retaining pin 44, which also prevents the guide shaft 32 is pushed by the spring 40 upwardly out of the receiving opening 38.
  • the control roller 34 is rotatably fixed to the upper end of the guide shaft 32 via a rivet 46 and a washer 48.
  • control roller 34 engages in the U-shaped control link of a cam lever 50, wherein the control roller 34 with its spherical peripheral surface alternately engages the inner flanks of the lateral legs 52 and 54.
  • the control roller 34 serves as a drive cam, which reciprocates the cam lever transversely to the axis of the soul 24, which in turn drives a cartridge conveying mechanism.
  • the Cam lever 50 transmits depending on its direction of movement via its legs 52, 54 transverse forces on the control roller 34 and thus on the guide shaft 32 on the lock carrier 1, which is tilted transversely to the right or left to the housing 6.
  • crowned rollers 34, 36 ensure a particularly smooth running. For example, causes the right leg 52 on the control edge on a left-acting force on the right side of the control roller 34, so sets the guide roller 36 on the left side to the leading edge of the left guide rail 16 at. i.e. the rollers 34 and 36 roll in opposite directions on opposite flanks.
  • the rollers 34 and 36 roll in opposite directions on opposite flanks.
  • the convex rolling surfaces of the rollers 34, 36 ensure a clean unrolling function even with slightly tilted position of the closure carrier 1, and roll in slightly tilted position with their rolling surfaces on the guide flanks of the guide rails 16, 18 and the inner flanks of the legs 52, 54 of the Cam lever 50.
  • the cam lever 50 is arranged in a swing-down hinged lid 56 which receives a belt conveyor mechanism (not shown). Since the guide shaft 32 is designed to be retractable with the control roller 34 via the spring 40 in the lock carrier 1, the cover 56 can be closed in any desired closed position without the risk that the cam lever 50 or the control roller 34 will be damaged. If one of the legs 52, 54 reaches the control roller 34 with its downwardly pointing end face, this is combined with the control roller 34 Guide shaft 32 is moved into the receiving opening 38 in the lock carrier 1 into it.
  • the outer surface of the guide shaft 32 and / or the inner surfaces of the control roller 34 and the guide roller 36 have particularly lubricious surfaces (coating, processing). It is also possible to connect the control roller 34 and the guide roller 36 in turn via suitable roller bearings with the guide shaft 32. In other embodiments (not shown), roller bearings can also be provided in the region of the guide grooves 20 and 22 in order to further reduce the frictional resistances to the guide rails 12, 14, 16, 18 during the movement of the closure carrier 1 in the housing 6 in these regions.
  • rollers control roller 34, guide roller 36
  • rollers sliding on the guide flanks or the inner edges of the cam lever attacking control / guide elements
  • guide shaft 32
  • movable / displaceable Such elements then at least in terms of symmetry with respect to a symmetry plane spanned by the axis of the soul (24) and the axis of symmetry (33).
  • the closure arrangement shown is provided with a so-called.
  • a rotary cam closure in which a closure head 100 is axially displaceable and rotatably received between a locking and unlocking in a guide sleeve 58 at the top of the closure carrier 1.
  • the closure head 100 carries in two consecutive wreaths four front 104v and four rear 104h bumps, each in pairs (in dial orientation) in pairs between one and two o'clock, four o'clock and five o'clock, seven o'clock and eight o'clock - And the ten and eleven o'clock position are arranged.
  • Between the locking lugs 104v, 104h are laterally longitudinally extending gaps provided, which serve for the locking function in a locking piece 200 and for guiding the closure head 100 in the housing 6.
  • the closure arrangement shown is provided for a so-called gun to be fired, in which the entire closure assembly is located behind the ammunition before the firing and advances the triggering of a shot, the ammunition in the (not shown here) ammunition / cartridge chamber feeds and there after the Locking the lock ignites.
  • FIGS. 1 . 2 . 4 and 5 is the closure head 100 in its unlocked position and in the FIGS. 6d-f shown in its locked position.
  • the lock head 100 is guided against unintentional rotation out of the unlocked position by the guide rails 16 and 18 extending between the locking lugs 104v and 104h in the two side gaps (nine o'clock and three o'clock positions) ,
  • Zufermasen 108 are provided at the front end of the closure head 100 in 12 o'clock position, between which a Ausméerschlitz 110 runs. These supply lugs 108 serve to supply the cartridge while a pusher (not shown) fixedly arranged on the housing ejects the empty cartridge case from the weapon during the backward movement (see below).
  • the paired Zufuhlasen 108 allow stable leadership of the cartridge in ammunition transport in the weapon.
  • the rotational movement of the closure head 100 is via a downwardly projecting control pin 102 (see. FIG. 4, 5 and 7 ), which projects into the control slot 60 of the closure carrier and is deflected there during the relative movement of the closure head 100 to the closure carrier 1, depending on its direction of movement and the operating state of the weapon in different rotational positions.
  • the control link 60 has a front linear guide region 66 and a rear linear guide region 68, which merge into one another via a control flank 62 for locking and a control flank 64 for unlocking.
  • the control pin 102 is formed with a wedge-shaped radially outwardly widening cross-sectional profile and engages in the correspondingly formed receiving profile of the control link 60 and in particular the linear guide portions 66 and 68 a.
  • the closure head 100 is held in the control link 60 as in a dovetail guide and secured against tilting in the guide sleeve 58.
  • the closure head (eg when the closure arrangement is removed) can not be accidentally levered out of the guide sleeve 58, in particular when the rear end of the closure head is only in the guide sleeve 58 with a small overlap (cf. position in FIG FIG. 4 ).
  • a removal window 71 is provided at the rear end of the linear guide region 68, from which the control bolt 102 can be pivoted by means of a rotary movement of the closure head 100 in the guide sleeve 58, so that the closure head 100 can be removed from the guide sleeve 58 forward ,
  • a firing pin channel 116 in which the firing pin 118 is slidably guided.
  • the firing pin 118 is received at its rear end with a ball head 120 in a receiving bearing 59 and fixed there axially via a transverse pin 122 in the bolt carrier 1.
  • the firing pin 118 moves together with the closure carrier 1, relative to the closure head 100 to the front and to the rear.
  • the firing pin 118 pushes through the firing pin opening 124 and exits the impact floor 126 at the front end of the shutter head 100, where the bottom of the cartridge to be fired abuts and strikes the firing pad.
  • the locking lugs 104 on the closure head 100 cooperate with the locking lugs 204 on the locking piece 200 during the locking process.
  • the bumps 104 between the recesses 202 (FIG. Fig. 8 ) in the locking piece 200 and are brought into a position in which the control edge 62 engages to lock in the control link 60 on the control pin 102 and this twisted and thus also brings the locking lugs 104 in front of the nipples 204 in the locking piece 200 (the closure head 100 is rotated), so that the rearwardly facing end surfaces 106 of the locking lugs 104 create the forwardly facing end surfaces 206 of the locking lugs 204 and thus lock the locking head in the linear direction (in the direction of the axis of the soul 24), so lock.
  • the closure head 100 is also accurately to the cartridge chamber (not shown) set, which is worked out at the rear end of the gun barrel (not shown), which in turn is fixed and connected in a defined position with the locking piece.
  • a guide channel 209 (see Fig. 6c ) provided partially on the cam portion 208 (see FIGS. 6 and 8th ) and cooperates with a control shutter cam 104h at the shutter head 100.
  • the guide channel 209 extends between the in FIG. 6c dash-dotted lines shown. It is defined by the facing side surfaces 207a and 207b of the circumferentially adjacent locking lugs 204a and 204b, by the control cam portion 208 on the control lug 204b and a guide surface 205 on the locking lug 204a.
  • the guide channel 209 defined in this way guides the control plug cam 104h 'on its side flanks 109a and 109b via a control section 132 and a guide section 111 (cf. FIG. 6 . 7 and 7a ).
  • the effect of this arrangement is mainly used to improve the cartridge extraction process and to make the entire movement during unlocking and locking liquid and low-stress.
  • Locking lugs 104 and 104h ', 104v and locking lugs 204 and 204a, b are shown unwound and twisted to each other.
  • the corresponding position of the control pin 102 in the control link 60 is shown hatched.
  • closure arrangement When the weapon is cocked, the closure arrangement (closure carrier 1 and closure head 100) is in its rear position in the housing 6.
  • the closure springs (not shown) are tensioned and engage on the closure support 1 in the area of the two closure spring eyes 72 and are on the closure spring guide rods (not shown) ), which enforce the closure spring eyes 72, stretched.
  • the closure carrier 1 is held by the trigger mechanism (not shown) on the detent lugs 74.
  • the closure head 100 is in its unlocked position and is held on the guide rails 16 and 18 in this rotational position.
  • the control pin 102 is located in the front linear guide portion 66.
  • the bumps 104 dive the recesses 202 between the locking lugs 204 passing into the locking piece 200, at the top there is a supply ramp 210 for the cartridge, via which it is further inserted into the chamber of the gun barrel.
  • the SteuerverInstitutwarze 104h ' is doing in the Guide channel 209 introduced, and axially guided over the side surfaces 207a, b at their side edges 109a, b in the guide channel 209.
  • the closure head 100 remains in its unlocked position until the control shutter cam 104h 'abuts with its control section 132 against the cam section 208 in the locking piece 200, which transmits an angular momentum to the closure head 100, so that it is twisted with its locking lugs 104 - in the present case Fall counterclockwise by about one-third of its total rotation.
  • the control plug cam 104h ' is guided on its control section 132 and its guide section 111 via the guide surface 205 and the control cam section 208 in the guide channel 209 between the locking lugs 204a, b.
  • the closure head 100 is loaded on one side and has a tendency to dodge transversely to the core axis 24 and jammed.
  • the outer diameter of the cylindrical shaft surface 105 (FIG. Fig. 1 . 2 and 5 ) is on the inside width w (inner diameter) between the radially inwardly facing head surfaces 203 of the locking lugs 204 tuned (see. Fig. 8 ).
  • w inner diameter
  • the closure head 100 can not escape and tilt during the locking process. Rather, it is supported with its cylindrical shaft surface 105 on the corresponding top surfaces 203 of the locking lugs 204.
  • the closure head 100 is guided axially in the locking piece 200, does not tilt, converts its forward movement into a rotational movement without major friction losses, and locks smoothly in the locking piece 200.
  • the rear stop surface 128 of the control pin 102 from the area of the stop surface 70 in the control link 60.
  • the control edge 62 for locking in the control link 60 engages a corresponding control surface of the control pin 102 and continues the locking function, by the relative movement between cam section 208 and control section 132 has been initiated.
  • the control edge 62 sets for locking on a corresponding control surface of the control pin 102 and thereby twists the closure head 100 further into its locking position.
  • the cartridge bottom sets completely against the impact bottom 126 of the closure head 100, and the extractor claw 112 snaps into the corresponding Auszieherrille on the cartridge bottom.
  • the closure head 100 Upon further rotation of the closure head 100, the bumps 104 reach in front of the locking lugs 204, and the rear end surfaces 106 of the bumps 104 completely hide the front end surfaces 206 of the locking lugs 204. In this case, the closure head 100 performs a rotation about another two thirds of its total rotation.
  • the locking end surfaces 106 and 206 are inclined at a self-locking angle to the axis of the soul 24, and the rest of locking takes place in a kind of screwing movement with a flat pitch between the locking lugs 104 and the locking lugs 204.
  • the surface coupling is self-locking. That is, an axial effect on the closure head does not lead in that the bumps 104 move independently from their Verrieglungslage.
  • the locking process described above proceeds extremely smoothly and without strong rebound movements by the pilot control (cam section 208 and control section 132, about one third of the total rotational movement) and the final final locking.
  • the inclination of the end surfaces 106 and 206 facilitates this process and reduces the internal frictional resistance.
  • the inclination of the cam portion 208 corresponds to the inclination of the control portion 132, and the inclination of the guide surface 205 and the guide portion 111 and is adjusted to the inclination of the control edge 62 for locking or the control surface on the control pin 102 so that both processes smoothly merge into each other.
  • the inclination angle of the control flank 62 for locking the bolt head is set with respect to the inclination angle of the cam portion 208 so that the rotational acceleration of the locking bolt head is increased upon the transition of the bolt head control from the cam portion 208 to the lock control flank 62.
  • the inclination angle of the control edge 62 corresponds to the inclination angle of the control edge 64 for unlocking, to ensure that the control pin 102 with as little side clearance over the entire length of the control link 60 and above all by the control edge regions 62 and 64 can move.
  • the control pin 102 is now at the front end of the rear linear guide portion 68, and the lock head 100 itself is set in the linear direction in the locking piece 200 and locked in the circumferential direction.
  • the closure carrier 1 now moves further relative to the closure head the front and pushes the firing pin 118 in the firing pin channel 116 forward and that far enough that the tip of the firing pin 118 pushes forward through the firing pin opening 124 and ignites the cartridge.
  • the control pin 102 moves in the linear guide region 68 relative to the further forward sliding closure carrier 1 to the rear until the closure support 1 with its front 61 impinges on the rearwardly facing end face 201 of the locking piece and stops its forward movement.
  • the relative movement between the closure carrier 1 and the locking piece 200 is interrupted.
  • the closure carrier 1 After the firing, the closure carrier 1 is pressed back against the action of the closing springs via the gas pressure acting on the piston 4 and initially moves back relative to the closure head 100 (in the direction of the arrow, see FIG Fig. 6f to 6k ).
  • the firing pin 118 is pulled back into the firing pin channel 116 via the ball head 120.
  • the control pin 102 moves forward in the linear guide region 68 and comes into engagement with the control edge 64 for unlocking. ( Fig. 6f )
  • the bump warts 104 are unscrewed from the region of the locking bumps 204 (FIG. Fig. 6g ).
  • the contact pressure between the impact floor 126 and cartridge case bottom relaxes, and the extractor claw 112 can rotate in the Auszieherrille the cartridge case.
  • the rotational movement is first applied between the control edge 64 and the control pin 102.
  • the cartridge case can be widened (gelidert) and very firmly wedged in the chamber of the barrel.
  • the control section 132 is supported on the control cam section 208 and pulls the cartridge case out of the (from the in Fig. 6g shown in the in Fig. 6h shown position) cartridge chamber.
  • the closure head 100 returns to the area of the guide rails 16 and 18, and the ejector projecting into the ejector slot 110 strikes the cartridge case down through the window 3 in the gas pressure linkage 2 and further away from the weapon.
  • the closure carrier 1 abuts with a stop pin 76 on the bottom plate (not shown) of the weapon, which is arranged in the lower region of the closure carrier 1 in extension of the gas pressure linkage 2.
  • this stop pin 76 is cushioned by a mechanical buffer 78, which realizes a high mechanical energy intake via an annular spring arrangement 80 and swallows a high proportion of the kinetic energy of the closure arrangement with low recoil.

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  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Toys (AREA)
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Claims (13)

  1. Dispositif de guidage de culasse (30) pour un ensemble de culasses (1, 100) d'une arme à feu automatique, comprenant
    un élément de support (32) disposé dans l'ensemble de culasses (1, 100),
    un élément de commande (34) disposé au niveau de l'élément de support (32) et servant à commander un composant de l'arme, en particulier une alimentation par courroie,
    l'élément de support (32) s'étendant le long d'un axe de symétrie (33) s'étendant de manière perpendiculaire par rapport à un axe d'âme (24),
    caractérisé en ce qu'un élément de guidage (36) servant à guider l'ensemble de culasses (1, 100) est disposé le long d'une trajectoire de guidage de culasse (16, 18), au niveau de l'élément de support (32), et en ce que
    l'élément de commande (34) et l'élément de guidage (36) sont disposés de manière coaxiale par rapport à l'axe de symétrie (33) de l'élément de support (32).
  2. Dispositif de guidage de culasse (30) selon la revendication 1, dans lequel l'élément de commande (34) et/ou l'élément de guidage (36) sont disposés de manière mobile par rapport à l'élément de support (32).
  3. Dispositif de guidage de culasse (30) selon la revendication 1 ou 2, dans lequel l'élément de commande (34) est réalisé et disposé conjointement avec l'élément de support (32) de manière à pouvoir être déplacé par coulissement axialement à l'intérieur d'un logement (1) maintenant l'élément de support (32).
  4. Dispositif de guidage de culasse (30) selon la revendication 3, dans lequel l'élément de commande (34) et l'élément de support (32) sont logés dans le logement (1) de manière à pouvoir être déplacés par coulissement à l'encontre de l'action d'un élément de réglage (40).
  5. Dispositif de guidage de culasse (30) selon l'une quelconque des revendications précédentes, dans lequel l'élément de support (32) traverse l'élément de guidage (36) et est réalisé de manière à pouvoir être déplacé par coulissement par rapport à l'élément de guidage (36).
  6. Dispositif de guidage de culasse (30) selon l'une quelconque des revendications précédentes, dans lequel l'élément de guidage (36) est maintenu par l'intermédiaire de l'ensemble de culasses (1, 100) dans une section sur l'axe de symétrie (33) coïncidant avec la trajectoire de guidage de culasse (16, 18).
  7. Dispositif de guidage de culasse (30) selon l'une quelconque des revendications précédentes, dans lequel l'élément de commande (34) et/ou l'élément de guidage (36) sont réalisés sous la forme respectivement d'un rouleau, qui roule, lors d'un déplacement de l'ensemble de culasses (1, 100), au niveau de surfaces latérales de guidage (16, 18) et/ou de commande (52, 54).
  8. Dispositif de guidage de culasse (30) selon la revendication 7, dans lequel les rouleaux (34, 36) tournent dans des directions opposées lors d'un déplacement de l'ensemble de culasses (1, 100).
  9. Dispositif de guidage de culasse (30) selon l'une quelconque des revendications 7 à 9, dans lequel au moins un des rouleaux (34, 36) présente une surface de roulement bombée.
  10. Dispositif de guidage de culasse (30) selon l'une quelconque des revendications précédentes, dans lequel l'élément de commande (34) vient en prise avec le flanc de commande (52, 54) d'un levier à came (50) lors de l'avancée et du recul de l'ensemble de culasses (1, 100) afin de commander une amenée de cartouches.
  11. Ensemble de culasses (1, 100) comprenant un dispositif de guidage de culasse (30) selon l'une quelconque des revendications précédentes, présentant en outre :
    une culasse à tenons rotatifs dotée d'un support de culasse (1) et d'une tête de culasse (100) logée dans ce dernier et dotée de plusieurs tenons de culasse (104) et d'une pièce de verrouillage (200) dotée de plusieurs tenons de verrouillage (204),
    une section à came de commande (208) orientée vers l'arrière étant réalisée dans la pièce de verrouillage (200), au niveau d'un tenon de verrouillage (204),
    laquelle section à came de commande convertit, lors du déverrouillage de la tête de culasse (100), un mouvement de déverrouillage, au cours duquel des surfaces frontales (106) arrière des tenons de culasse (104) se détachent de surfaces frontales avant (206) des tenons de verrouillage (204), en un mouvement de vissage de la tête de culasse (100) servant à libérer une douille de cartouche maintenu dans la tête de culasse (100) hors d'une palier de cartouches, par l'intermédiaire d'un section de commande (132) réalisée de manière conforme et orientée vers l'avant, au niveau d'un tenon de culasse de commande (104h'), au cours duquel mouvement de vissage, la section de commande (132) s'appuie contre la section à came de commande (208), et qui
    lors du verrouillage exerce, en venant en prise avec la section de commande (132), une fonction de pré-commande, qui amène par rotation un boulon de commande (102) d'une coulisse de commande (60) du support de culasse (1) depuis une position de déverrouillage dans une position de commande, dans laquelle la coulisse de commande (60) vient en prise avec un flanc de verrouillage (62) au niveau du boulon de commande (102), et qui exerce lors du déplacement vers l'avant du support de culasse (1) par rapport à la tête de culasse (100) une impulsion de rotation sur la tête de culasse (100), transformant ainsi un mouvement d'amenée linéaire de la tête de culasse en un mouvement de verrouillage en passant par un mouvement de vissage.
  12. Arme à feu automatique équipée d'un dispositif de guidage de culasse selon l'une quelconque des revendications 1 à 10.
  13. Arme à feu automatique équipée d'un ensemble de culasses (1, 100) selon la revendication 11.
EP11704932.0A 2010-02-26 2011-02-15 Dispositif de guidage de fermeture pour système de fermeture et arme automatique dotée d'un dispositif de guidage de fermeture Active EP2539665B1 (fr)

Applications Claiming Priority (2)

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DE102010009426A DE102010009426A1 (de) 2010-02-26 2010-02-26 Verschlussführungseinrichtung für eine Verschlussanordnung und Schnellfeuerwaffe mit einer Verschlussführungseinrichtung
PCT/EP2011/000719 WO2011103979A1 (fr) 2010-02-26 2011-02-15 Dispositif de guidage de fermeture pour système de fermeture et arme automatique dotée d'un dispositif de guidage de fermeture

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EP2539665A1 EP2539665A1 (fr) 2013-01-02
EP2539665B1 true EP2539665B1 (fr) 2013-07-31

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JP (1) JP5538521B2 (fr)
KR (1) KR101384941B1 (fr)
AU (1) AU2011211387B2 (fr)
BR (1) BRPI1100061A2 (fr)
CA (1) CA2752236C (fr)
DE (1) DE102010009426A1 (fr)
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DE102010009427B4 (de) * 2010-02-26 2012-03-08 Heckler & Koch Gmbh Drehwarzenverschluss und Waffe
US9377255B2 (en) 2014-02-03 2016-06-28 Theodore Karagias Multi-caliber firearms, bolt mechanisms, bolt lugs, and methods of using the same
US10948249B2 (en) * 2016-10-25 2021-03-16 22 Evolution Llc Radial delayed blowback operating system for a firearm including a recoil discharge force attenuation interface between a cam pin and a clearance pocket configured within an upper receiver of the firearm
US10941993B2 (en) * 2016-10-25 2021-03-09 22 Evolution Llc Radial delayed blowback operating system for a firearm incorporating a rotational inducing profile established between bolt lugs and a mating receiving pattern within the upper receiver or a trunnion installed within the receiver
US10436530B2 (en) * 2016-10-25 2019-10-08 22 Evolution Llc Radial delayed blowback operating system, such as for AR 15 platform
US11067347B2 (en) 2018-11-30 2021-07-20 Theodore Karagias Firearm bolt assembly with a pivoting handle
US11371789B2 (en) 2019-08-06 2022-06-28 James Matthew Underwood Roller delayed firearm operating system
US11543195B2 (en) 2020-07-03 2023-01-03 James Matthew Underwood Roller and bearing delayed firearm operating systems
US11846476B2 (en) 2021-10-07 2023-12-19 James Matthew Underwood Ejector for firearm

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CH51131A (de) * 1910-03-09 1911-08-01 Hans Stamm Verriegelungseinrichtung an Geradezugverschlüssen von Handfeuerwaffen
DE419803C (de) * 1924-03-25 1925-10-09 Hans Lutz Dipl Ing Selbsttaetige Schusswaffe mit Arbeitsgewicht und mit verzoegertem Auszug
DE1174656B (de) * 1960-10-01 1964-07-23 Rheinmetall Gmbh Gurtschaltvorrichtung fuer Maschinengewehre
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US3407702A (en) * 1967-06-08 1968-10-29 Vyzk A Vyv Ustav Zd Vseob Stro Automatic firearm with retarded blowback breech mechanism
US3563132A (en) * 1968-09-19 1971-02-16 Us Navy Grenade launcher
CH517283A (de) * 1969-12-19 1971-12-31 Oerlikon Buehrle Ag Selbsttätige Feuerwaffe
ES296988Y (es) * 1984-12-20 1989-04-16 Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag Dispositivo para acerrojar una cabeza de cierre que se mueve hacia delante y hacia atras en el extremo posterior de un canon de un arma.
DE3835556C2 (de) 1988-10-19 2000-05-18 Rheinmetall W & M Gmbh Geradzug-Verschlußsystem
DE4345591B4 (de) 1993-10-08 2008-08-28 Heckler & Koch Gmbh Selbstlade-Granatwerfer
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US8459165B2 (en) 2013-06-11
CA2752236C (fr) 2013-04-30
BRPI1100061A2 (pt) 2016-05-03
AU2011211387A1 (en) 2011-09-22
US20120210859A1 (en) 2012-08-23
KR101384941B1 (ko) 2014-04-11
JP5538521B2 (ja) 2014-07-02
WO2011103979A1 (fr) 2011-09-01
CA2752236A1 (fr) 2011-08-26
EP2539665A1 (fr) 2013-01-02
JP2012522957A (ja) 2012-09-27
ES2431950T3 (es) 2013-11-28
DE102010009426A1 (de) 2011-09-01
KR20120024532A (ko) 2012-03-14
AU2011211387B2 (en) 2012-09-20

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