EP4047299A2 - Élément de commande, arrêtoir de culasse, porte-culasse, gâchette, module de gâchette pour une arme automatique, ainsi qu'arme automatique équipée de ceux-ci - Google Patents

Élément de commande, arrêtoir de culasse, porte-culasse, gâchette, module de gâchette pour une arme automatique, ainsi qu'arme automatique équipée de ceux-ci Download PDF

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Publication number
EP4047299A2
EP4047299A2 EP22157378.5A EP22157378A EP4047299A2 EP 4047299 A2 EP4047299 A2 EP 4047299A2 EP 22157378 A EP22157378 A EP 22157378A EP 4047299 A2 EP4047299 A2 EP 4047299A2
Authority
EP
European Patent Office
Prior art keywords
catch
control element
rotation
trigger
arm
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.)
Pending
Application number
EP22157378.5A
Other languages
German (de)
English (en)
Other versions
EP4047299A3 (fr
Inventor
Stefan Thimm
Markus Hetzel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heckler und Koch GmbH
Original Assignee
Heckler und Koch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heckler und Koch GmbH filed Critical Heckler und Koch GmbH
Publication of EP4047299A2 publication Critical patent/EP4047299A2/fr
Publication of EP4047299A3 publication Critical patent/EP4047299A3/fr
Pending legal-status Critical Current

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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
    • F41A17/00—Safety arrangements, e.g. safeties
    • F41A17/42—Safeties for locking the breech-block or bolt in a safety position
    • 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
    • F41A17/00—Safety arrangements, e.g. safeties
    • F41A17/56—Sear safeties, i.e. means for rendering ineffective an intermediate lever transmitting trigger movement to firing pin, hammer, bolt or sear
    • F41A17/58—Sear safeties, i.e. means for rendering ineffective an intermediate lever transmitting trigger movement to firing pin, hammer, bolt or sear automatically operated, i.e. operated by breech opening or closing movement
    • 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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/10—Triggers; Trigger mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/12—Sears; Sear mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/25—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins
    • F41A19/27—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block
    • 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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/25—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins
    • F41A19/27—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block
    • F41A19/29—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block propelled by a spring under tension
    • F41A19/30—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block propelled by a spring under tension in bolt-action guns
    • F41A19/33—Arrangements for the selection of automatic or semi-automatic fire
    • 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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/42—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having at least one hammer
    • F41A19/43—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having at least one hammer in bolt-action guns
    • F41A19/46—Arrangements for the selection of automatic or semi-automatic fire
    • 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

Definitions

  • the present invention relates to a control element for controlling a slide stop lever movable about a first axis of rotation, a slide stop lever, a slide carrier for a slide arranged to be longitudinally movable in a machine gun, and a trigger assembly for a machine gun.
  • the invention also relates to a machine gun equipped with such a control element and/or slide stop lever and/or slide carrier and/or trigger assembly.
  • position designations such as “up”, “down”, “front”, “back”, etc. refer to a machine gun in which the bore axis runs horizontally and the shot is fired forwards away from the shooter.
  • machine guns can fire ammunition fully automatically.
  • machine weapons are in particular submachine guns and assault rifles and machine guns.
  • control elements for firearms are known from the prior art. That's it DE 10 2007 004 588 B3 known a control for a movable about a pivot axis hammer and its trigger.
  • machine guns such as the MG4 machine gun and the MG5 machine gun, which allow loading in the secured state.
  • machine gun MG4 nor the machine gun MG5 have the "single shot" fire status.
  • the trigger assembly includes a lock that can be moved between a basic position and a loading position, a catch lever that can be moved between a rest position to release the lock and a catch position to catch the lock, a trigger element that can be moved between a non-actuated position and an actuated position to move the catch lever out of its catch position into its rest position, a triggering element which can be moved relative to the trigger element and which can be moved between a holding position for holding the catch lever in its rest position and a release position for releasing a movement of the catch lever into its catch position.
  • the triggering element is transferred from its holding position to the release position by contact of the closure moving in the direction of the through-loading position with the triggering element.
  • the trigger element can be pivoted about a trigger element pivot axis that can be moved relative to the trigger element, so that the trigger element can be moved out of a movement space of the bolt in the non-actuated position of the trigger element, even when the trigger is secured, by means of a bolt moving in the direction of the basic position.
  • a trigger assembly can be provided which prevents a blocking of a breech moving in the direction of the basic position when the trigger is secured by the release element.
  • a trigger assembly for a trigger housing for an M240 machine gun is known, with a switch on the outside of the trigger housing is accessible to switch the firing of the machine gun between semi-automatic and fully automatic fire.
  • a safety mechanism for a catch lever of a trigger mechanism of a firearm, in particular a rapid-fire gun, having a breech and a safety device is also known.
  • the catch lever can be adjusted between a locking position locking the breech and a position not locking the breech.
  • the safety mechanism acts on the safety device when it assumes its safety and thus fixes the catch lever in its locked position.
  • it has a spring element acting between the safety device and the catch lever, which exerts a locking force that fixes the catch lever in its locking position.
  • the locking force can be adjusted so that on the one hand it is greater than a pull-off force that brings the catch lever out of its locking position and on the other hand allows the catch lever to be deflected under the action of the recoiling shutter and deformation of the spring element.
  • a catch lever for a trigger mechanism of a firearm in particular a rapid-fire weapon, which has a breech and a safety device.
  • the catch lever can be adjusted between a locking position locking the breech and a position not locking the breech, and has a safety element.
  • the securing element can be adjusted relative to the catch lever between a release position and a securing position.
  • the safety element assumes its release position when the lock engages the catch lever when the recoiling lock exerts an actuating effect on the safety element in the rearward direction. In the release position, the safety element does not engage the safety device, even if this simultaneously assumes its safety position, and the catch lever can be brought into its non-locking position.
  • the safety element can additionally or alternatively assume its safety position when the lock is running onto the catch lever, if the lock exerts an actuating effect on the safety element in a forward direction, and in the safety position it can act on the safety device if it simultaneously assumes its safety and the catch lever itself fixed in its locking position, with the breech simultaneously acting on a sear formed on the catch lever.
  • a catch lever of a trigger mechanism of a firearm in particular a rapid-fire weapon, which has a breech and a safety device.
  • the catch lever can be adjusted between a locking position locking the breech and a position not locking the breech, and has a safety element.
  • the safety element can be adjusted relative to the catch lever against a spring force from a rest position into a safety position. The safety element assumes its safety position when the lock strikes the catch lever if the lock exerts a force on the safety element in a forward direction and in this position engages the safety device if it simultaneously assumes its safe position and the catch lever itself in its position locking position determines. Otherwise, however, the safety element assumes its rest position and releases the catch lever.
  • the object of the invention is to provide an improved control element.
  • the object of the invention is to provide an improved bolt carrier.
  • the object of the invention is to provide a machine gun with one of the aforementioned components.
  • a machine gun is to be realized which, with at least one of the aforementioned components, enables the switch positions "safe", “single fire” and “continuous fire” and allows the firearm to be loaded in the safe state.
  • the invention provides a control element for controlling a slide catch lever that can be moved about a first axis of rotation, the slide catch lever between a rest position for releasing a bolt carrier and a catch position for catching the bolt carrier is movable.
  • the control element has a first arm mounted about a second axis of rotation.
  • a first arm comprises a first control section with a first contact surface and a second contact surface facing away from the first contact surface, which can be controlled to be deflected about the second axis of rotation of the control element by means of a cam of the bolt carrier.
  • the first control section comprises a respective contact surface on its front side and on its rear side, which can be controlled by the control cam arranged on the underside of the bolt carrier.
  • Activation of the control element by the control cam causes the control element to be deflected (also referred to as rotation) about its own axis of rotation. If the control element is actuated while the shutter is advancing, it accordingly rotates forward in one of two directions. If, on the other hand, the control element is actuated when the shutter moves backwards, it rotates backwards in the other of the two directions of rotation.
  • the rearward deflection corresponds to a first rotational movement, while the forward deflection corresponds to a second rotational movement about the second rotational axis.
  • the first arm also includes a second control portion that is controllable by a control surface of a trigger.
  • the second control section which is arranged in particular on an underside of the first arm, can be brought into contact with the control surface of the trigger in order to trigger or release the slide stop lever, in particular when the trigger is pressed.
  • the control element according to the invention can thus hold the bolt catch lever in its rest position during bolt carrier advance and release the bolt catch lever into its catch position during bolt carrier return.
  • the second control section can "slip" over the control edge on the trigger in order to transfer the control element from a pivoted or twisted position, which results from the activation of the bolt carrier during return travel, into a starting position.
  • the control element can be understood in particular as a type of coupling element that couples the trigger to the slide catch lever in a trigger assembly.
  • the control element can be activated on the one hand by the trigger via the control surface and on the other hand by the bolt carrier via the cam. In other words, the control can be controlled from “below” and from "above”.
  • a purely vertical movement of the second axis of rotation is preferably effected when the trigger is actuated.
  • the actuated trigger presses or pushes the second axis of rotation and thus also the control element upwards by means of its control surface.
  • control element By means of the control element according to the invention, the functions or the switching positions “safe”, “single fire” and “continuous fire” for a machine gun and loading of the machine gun in the safe state can be made possible.
  • the control element can in particular be designed as a control lever that can be pivoted, i.e. rotatably arranged, parallel to the axis of the first axis of rotation of the slide stop lever.
  • the control element can have a recess arranged coaxially to the second axis of rotation for receiving a fastening element, such as a pin, pin or bolt. If the recess is designed as a single bore, a single fastening element is sufficient. If, instead, the recess is designed as two blind holes, each of which is arranged on the end face, then two fastening elements are required.
  • control element comprises a second arm which is spaced apart axially from the first arm and which, in order to support a moment, comprises a third control section which can be operatively connected to a component which is fixed to the housing.
  • the third control section runs, for example, onto an insert connected to the housing of the grip and is supported on this insert during the entire slide advance.
  • Such a third control section which can be supported on an insert, prevents the slide catch lever from latching into a catch catch of the bolt carrier, for example in an intermediate position, if the activated trigger is released prematurely (regarded or ignored) during the slide advance. If the bolt carrier were to engage in forward travel, it would have to be pulled back to its starting position manually.
  • the third control section of the second arm of the control element slides over the housing-fixed insert and holds the bolt catch in its rest position throughout bolt advance, even if the trigger should be released during forward movement of the bolt carrier.
  • the second control section is arranged radially opposite the first control section and comprises a radial projection which can be controlled by means of the control surface of the trigger.
  • the radial projection serves for better control by the control surface of the trigger, in particular when the control surface of the trigger is equipped with a control edge. If the trigger is actuated and the bolt carrier is moving backwards, the second control section is more reliably caused to “slip” over the control edge by means of the radial projection.
  • the radial projection tapers to a point and forms an edge running parallel to the second axis of rotation.
  • the cross section of the first arm tapers radially outwards in the region of the first control section.
  • a control element that narrows towards the top enables more precise control of the bolt carrier's cam.
  • a "finely adjusted" cam of the bolt carrier can be made possible.
  • This effect can be intensified if the first arm has a gradation on an end face such that the thickness of the first arm decreases in the axial direction in the region of the first control section. In other words, a reduction in the longitudinal section is achieved. If a second arm is provided, it is preferred if the end face of the first arm facing away from the second arm has the gradation.
  • the third control section has a second radial projection, which is preferably designed eccentrically or curved and in particular forms the lower end of the second arm or the third control section.
  • An eccentric or curved radial projection preferably extending downwards in the direction of the trigger, enables the third control section to be securely supported on a component fixed to the housing.
  • the secure support on the component fixed to the receiver in turn enables the slide catch lever to be held securely in the rest position while the trigger is actuated and the slide runs forward.
  • the second arm has a projection extending in the axial direction, in particular a claw, on which a contact surface directed in the direction of rotation of the control element is formed, the projection preferably being on an end face facing away from the first arm of the second arm is formed.
  • Such a projection makes it possible to provide a contact surface without impairing the controllability by the bolt carrier or the trigger.
  • An axially outwardly directed projection can advantageously come to rest in both directions of rotation of the control element about the second axis of rotation with corresponding stop or contact surfaces of the slide catch lever.
  • Such an axially extending projection is preferably used when the control element is also mounted axially within two fastening arms of the slide catch lever with respect to the first axis of rotation of the slide catch lever and only the axial projection extends into the plane of one of the two fastening arms, which is formed by a longitudinal section , protrudes.
  • a center piece is provided between the first arm and the second arm, which, together with the arms, forms an annular gap which runs at least partially around the second axis of rotation and in which the legs of a leg spring rest against the Center piece can be brought.
  • the control element is preferably coupled to the slide release lever by means of a spring element in addition to being mounted on the slide release lever.
  • the control element has a space axially between the first and second arm, for example in the form of an annular gap, in which a part of the spring element can come into contact.
  • a leg spring is wound around the first axis of rotation of the slide catch lever and clamps the annular gap with both legs, so that a force is always exerted which keeps the control element in a central position.
  • the center position is the approximate middle position between forward deflection and backward deflection. For a rotational movement in the first and second direction of rotation, it is necessary to overcome the spring force. If the control element was deflected, the spring force of the spring element pushes the control element back into the central position.
  • the second arm has a further radial projection which is arranged as a lateral stop and is designed to guide the spring element, in particular the torsion spring, within the annular gap.
  • the lateral stop prevents the spring element from slipping out of the annular gap when the weapon is in operation.
  • a bolt catch lever for catching and releasing a bolt carrier
  • the bolt catch lever being pivotable about a first axis of rotation and having a catch arm for catching the bolt carrier.
  • a recess is provided at the respective end of the respective fastening arm, for example in the form of a bore for receiving a fastening element, such as a pin, pin or bolt.
  • the holes in the fastening arms correspond to the recesses in the control element.
  • one of the two fastening arms in particular the second fastening arm, has two stops, each with a contact surface, which can be brought into contact with the axial projection of the control element.
  • the two stops are arranged such that a first stop limits the rotary movement of the control element caused by the bolt carrier in a first direction of rotation and a second stop limits the rotary movement of the control element caused by the bolt carrier in a second direction of rotation.
  • the stops can preferably be formed by a material recess in the second fastening arm.
  • the material recess can describe a circular ring, at least in sections, viewed in a longitudinal section, ie a surface with two concentric circles.
  • the material recess at least in sections a C-shaped circular ring.
  • bearing surfaces are formed “in front of” and “behind” the second axis of rotation. These bearing surfaces are also formed on the underside of the second attachment arm.
  • the underside means the side facing away from the bolt carrier or the side facing the trigger. This material recess enables a substantially circular rotation of the axial projection about the second axis of rotation.
  • the catch arm is formed by two catch arm sections extending in opposite directions with respect to the fastening arms, the catch arm sections forming a catch surface at their respective ends.
  • two gripping arm sections offer the advantage that, starting from the first axis of rotation, a space or gap extending in the longitudinal direction is formed between the two gripping arm sections.
  • the control cam can "dip" with its projections in an advantageous manner and thus pass the tentacle with its axially spaced tentacle sections without contact. This is particularly important when the slide stop lever is pressed upwards during the slide return movement, in particular by its leg spring, and the distance between the cam or the projections forming the cam and the catch arm is reduced.
  • the respective catch arm sections are connected to one another at their respective ends by means of a web.
  • the web is preferably arranged in such a way that it also allows the cam to be passed without contact. This can be done, for example, by the web together with the ends of the catch arm sections forming an opening directed towards the underside of the bolt carrier, the opening having a semicircular, U-shaped, rectangular or V-shaped geometry in a cross section.
  • the control cam can pass these geometries without contact, especially during a shutter return.
  • the slide stop lever can be held down or locked by a continuous fire pawl
  • the slide stop lever has a claw which is preferably arranged on a side of a first catch arm section which is remote from the bolt carrier.
  • a bolt carrier for a bolt that is arranged to be longitudinally movable in a machine gun.
  • the bolt carrier is characterized in that on its underside it has a control cam for controlling a control element which is rotatably mounted on a bolt catch lever for catching and releasing the bolt carrier.
  • such a bolt carrier can run back and forth unhindered, because the control element releases the bolt catch lever into its catch position (during bolt return) or holds it in its rest position (during bolt advance) by activating the bolt carrier .
  • a bolt carrier is preferred if the cam is formed by at least one projection extending in the radial direction of the longitudinal axis. It has proven particularly advantageous to provide at least two, preferably three, radially extending projections, which are arranged one behind the other in the longitudinal direction of the bolt carrier, so that a free space is formed between the projections.
  • the projection may have a rectangular cross section.
  • a length of the projection can in particular be greater than its width.
  • a ratio of the length and width of the projection that is greater than 2:1, preferably greater than 3:1, particularly preferably greater than 4:1 is preferred.
  • a plurality of projections may be provided, such as two, three, four, or five projections. It is particularly preferred if three radially extending projections are provided, which are arranged one behind the other in the axial direction.
  • a large number of projections arranged one behind the other makes it possible, for example, to provide several catch catches in which the slide catch lever can be locked when the slide is pulled back.
  • the first control section of the control element can advantageously dip into the free spaces between the projections, e.g.
  • the lock carrier has at least one catching catch, which is separated into left-hand and right-hand catching catch sections by at least one recess extending in the longitudinal direction, in particular a groove.
  • the groove is arranged in such a way that the first control section on the first arm of the control element can dip into it.
  • the first control section protrudes into the groove and as a result passes the catch latch sections without touching them, that is to say without contact.
  • the clearances on the projections and the at least one groove have the same function, namely to give the first control section sufficient space during manual shutter return.
  • the projections forming the cam are placed at appropriate distances from the respective catch notches.
  • the at least one groove is interrupted by one of the projections, so that, for example, if there are three catches, three grooves are provided to ensure the function of secure engagement, in particular of the first and second catch arm section of the slide catch lever, in all three retracted catches .
  • a bolt carrier is particularly preferred if three projections and three catch catches are provided, with a first and second projection being arranged in the longitudinal direction of the bolt bearer in front of the three catch catches and a third projection being arranged in the longitudinal direction between two catch catches.
  • Such a bolt carrier allows on the one hand the functions of controlling the control element or the first Control section and on the other hand locking in three positions while maintaining a compact bolt carrier.
  • a trigger for controlling a control element of a trigger assembly for a machine gun is provided.
  • the trigger is movably arranged between a non-actuated position and an actuated position and comprises a base body that can be pivoted about a fourth axis of rotation.
  • the trigger is characterized by a projection extending axially from the body, the projection having an upwardly directed control surface which can be brought into contact with a corresponding control portion of the control element for transferring the control element from a first to a second position, and the projection has a control edge running essentially parallel to the fourth axis of rotation.
  • Such a trigger can, on the one hand, activate the control element, i.e. essentially move it vertically from a first position to a second position, and on the other hand, the actuated trigger can allow the control element to “slip” over the control edge after the control element has been deflected by the slide return.
  • a trigger is preferred in which the profile of the control surface has a sink-shaped course in a cross section.
  • the sink-shaped gradient provides better control of the control to be moved.
  • a submachine gun trigger assembly includes a control element as described above, a slide catch as described above, and a trigger as described above.
  • a trigger assembly that can be controlled by a bolt carrier.
  • a trigger assembly in conjunction with a bolt carrier having a corresponding control cam, enables loading in the safe state and the "single fire” setting as well as "Continuous Fire".
  • the lock carrier can in particular be the lock carrier described above.
  • the trigger is arranged so that it can move about a fourth axis of rotation and is set up to activate the control element, in particular the second control section of the control element.
  • the trigger has a control surface that moves the second control section upwards when the trigger is actuated.
  • the movement of the second axis of rotation upwards causes the first and second catch arm sections to rotate downwards, i.e. the slide catch lever is transferred to its rest position.
  • activation of the control element by means of the trigger causes the slide catch lever to rotate about the first axis of rotation of the slide catch lever.
  • the vertically positioned control element which has been moved upwards, can now in turn be controlled by the bolt carrier with the control cam, so that the control element can exert a torque on the bolt catch lever in order to keep the bolt catch lever in its rest position and also to move it even further into its rest position.
  • the third control section of the second arm of the control element slides over the second insert fixed to the housing, as already described, and thus keeps the bolt catch lever in its rest position throughout the entire bolt advance if the trigger should be released during forward movement of the bolt carrier.
  • the trigger assembly further includes a permanent fire pawl and a firearm safety, the firearm safety in a first switch position releasing the trigger, in a second switch position releasing the trigger and releasing the continuous fire ratchet, and in a third switch position releasing both the trigger and the continuous fire ratchet.
  • the automatic fire pawl is arranged about a third axis of rotation. If the firearm safety is designed as a safety lever, this is arranged so that it can rotate about a fifth axis of rotation.
  • the five axes of rotation namely the first axis of rotation of the slide catch lever, the second axis of rotation of the control element, the third axis of rotation of the automatic fire pawl, the fourth axis of rotation of the trigger and the fifth axis of rotation of the safety lever are arranged axis-parallel to one another, with a longitudinal section of viewed from the front, the following order results: fourth axis of rotation, second axis of rotation, first axis of rotation, third axis of rotation and fifth axis of rotation.
  • the components of the control element, slide stop lever, trigger and automatic fire pawl are each subjected to a spring force, with spring elements designed in particular as torsion springs being able to be used.
  • the torsion springs are either wound around rotational axes fixed to the handle housing or around inserts or stops. Three inserts are preferably provided for the torque support of the torsion springs.
  • a first leg spring is preferably supported with a first leg on a first insert and presses with a second leg against the slide release lever (leg spring for the slide release lever).
  • the first torsion spring is wrapped around a third insert.
  • a second leg spring is supported with a first leg on a second insert and presses against the trigger with a second leg (leg spring for the trigger).
  • the second torsion spring is also wrapped around the third insert.
  • a third leg spring is supported with a first leg on the first insert and presses with a second leg against the automatic fire pawl.
  • the so-called "torsion spring for the automatic fire pawl” is wound around the third axis of rotation and causes a torque in the direction of rotation to the rear, i.e. clockwise.
  • the winding of the torsion spring around the third axis of rotation means that the inside diameter of the torsion spring rests on a sleeve area of the automatic fire pawl, ie not directly on the axis.
  • the force of the first leg spring (leg spring for the slide catch lever) is greater than the force of the second leg spring (leg spring for the trigger), with the force of the second leg spring is in turn greater than the force of the third leg spring (leg spring for the automatic fire latch).
  • a fourth torsion spring is wrapped around the first pivot axis and maintains the control element in a center position (control element torsion spring).
  • the control element can be pivoted in both directions of rotation about the second axis of rotation against the force of the spring of the fourth torsion spring.
  • the components of the trigger assembly are located in a frame housing.
  • the handle housing forms a non-rotatable component.
  • control element is mounted on the slide catch lever so that it can rotate about the second axis of rotation between two positions.
  • first axis of rotation of the slide catch lever is connected to a non-rotatable component, in particular the grip housing, so that the control element can be rotated about its own axis of rotation and about the axis of rotation of the slide catch lever.
  • the trigger assembly has an element connected to a non-rotatable component for guiding the third control section.
  • a non-rotatable component for guiding the third control section.
  • Such an element which can also be referred to as an insert or stop, can be used for moment support of the third control section, in particular of the radial projection.
  • the element and the insert or stop are the same component.
  • a machine gun is provided with a trigger assembly as described above and a bolt carrier as described above.
  • a trigger assembly as described above and a bolt carrier as described above.
  • Such a weapon allows loading in the safe state as well as the setting "safe”, “single fire” and “continuous fire”.
  • control element 10 The design and functioning of the control element 10, the slide catch lever 20, the slide carrier 30, the trigger 50 and the trigger assembly of a firearm that has a slide that is guided in a longitudinally movable manner in the weapon housing, or the firearm with at least one of these elements, are explained below with reference to the figures explained.
  • the figures show preferred embodiments of the invention.
  • control element 10 in a preferred embodiment of the invention in a schematic view from two perspectives.
  • the control can preferably be used with one or a combination of the 2 , 3 , 4 , 5 and 6 assemblies described in more detail here, bolt catch lever, bolt carrier, automatic fire pawl and trigger for an in 7 trigger assembly described in detail can be used.
  • the control element 10 is used to control an in 2 described in more detail, about a first axis of rotation
  • a movable slide catch lever 20 is provided, the slide catch lever being movable between a rest position for releasing a lock carrier having a cam and a catch position for catching the lock carrier.
  • the control element 10 which in the present case is designed as a control lever that can be pivoted axially parallel to the first axis of rotation A of the slide catch lever 20, has a second axis of rotation B and two arms 15, 16 spaced apart from one another in the axial direction of the second axis of rotation B.
  • a center piece 18 is provided between the first arm 15 and the second arm 16, which, together with the arms 15, 16, rotates at least partially around the axis of rotation B extending annular gap 14 is defined. Legs of a leg spring, in particular, can be brought into contact with the center piece 18 in this annular gap 14 .
  • a first control section 11 is formed on the first arm 15 and can be controlled by means of the cam of the bolt carrier 30 so that it can pivot about the second axis of rotation B of the control element 10 .
  • the first control section comprises two contact surfaces 11a and 11b which can optionally be brought into contact with the control cam.
  • the two contact surfaces 11a, 11b face away from each other and, in the case of the contact surface 11b, are directed "forward" or, in the case of the contact surface 11a, "backward".
  • the cross section of the first arm 15 tapers from radially inside to radially outside.
  • the first arm 15 has a gradation such that a thickness of the first arm 15 in the area of the first control section 11 decreases in the axial direction.
  • the first control section 11 can also be regarded as a lever arm.
  • the control element 10 and thus the first control section 11 or the lever arm can be rotated about the second axis of rotation B in two directions of rotation, namely in a first direction of rotation 91 and in a second direction of rotation 92 opposite to this direction of rotation.
  • a second control section 13 with a radial projection 13a tapering to a point, which by means of a control surface 55a and a control edge 55b of an in 6
  • the trigger 50 described in more detail can be controlled in order to set the slide catch lever 20 coupled to the control element 10 in a rotational movement about the first axis of rotation A.
  • the radial projection 13a has an edge running parallel to the axis of rotation B.
  • the first control section 11 and the second control section 13 are also arranged radially opposite one another.
  • a third control section 12 is provided on the second arm 16 and can be brought into contact with the slide catch lever 20 .
  • the third control section 12 has a projection 19 extending in the axial direction, which in the present case is a claw works.
  • Two contact surfaces 19a, 19b directed in the direction of rotation of the control element are formed on the claw.
  • the claw 19 is formed on an end face of the second arm 16 facing away from the first arm 15 .
  • the contact surface 19a acts in the direction of rotation 91, while the contact surface 19b acts in the opposite direction of rotation 92.
  • the second section 13 has a first radially extending area 13a for contact with the control surface 55a or control edge 55b of the trigger 50 .
  • Such an "extended" control element 10 allows activation by the trigger 50 and also the interruption or termination of this activation.
  • the third control section 12 has a second radial projection 12a which is eccentric or arched and forms the lower end of the second arm 16 and the third control section 12, respectively.
  • the second radial projection 12a which can also be referred to as a radial extension downwards, serves in particular to support the torque on a non-rotatable component, such as an insert.
  • the radial rise of the end region 12a of the third control section 12 serves to move the rear first 26 and second 27 catch arm sections of the slide catch lever 20 into the rest position during the shutter advance, as will be explained in more detail in the following figures.
  • the eccentric third control section 12 transitions into a further radial projection at its left end.
  • the further radial projection has a blunt or semicircular shape—but not tapering to a point.
  • the further radial projection essentially serves as a lateral stop so that the spring element, in particular the torsion spring, does not slip out of the annular gap 14 during operation.
  • the control element 10 also has a recess running coaxially to the axis of rotation B in the form of a bore 17 .
  • the runs through both end faces Bore 17.
  • a fastening element, such as a bolt for mounting the control element 10 on the slide stop lever 20, can be accommodated in this bore.
  • a control element 10 designed in this way can hold the slide catch lever 20 in its rest position by controlling the bolt carrier 30 during the bolt carrier advance and can rotate the bolt catch lever into its catch position during the bolt carrier return.
  • Fig. 1a 12 represents a view of the outer end face of the second arm 16 of the control element 10. This view serves in particular to better illustrate the eccentric or arched section 12a.
  • the eccentric section 12a extends in the circumferential direction along an arc of a circle over an angular range ⁇ of approximately 120°. As can be seen clearly, the center M of the circular arc lies outside the axis of rotation B.
  • the eccentrically formed section 12a of the third control section 12 merges at its left end at a transition area P into a further radial projection 12b, which serves as a lateral stop for a Torsion spring acts.
  • FIG. 2 shows a slide stop lever 20 in a preferred embodiment of the invention in a schematic view from a perspective (left) and in a lateral section or longitudinal section (right).
  • the slide stop lever 20 is off with the 1 Known control element 10 shown and preferred for an in 4 Bolt carrier 30 described in more detail is provided.
  • the slide stop lever 20 has a first axis of rotation A, about which it is rotatably mounted. In other words, the slide stop lever 20 can rotate about the first axis of rotation A in two directions of rotation, namely in a third direction of rotation 93 and in a fourth direction of rotation 94 opposite to this direction of rotation.
  • the slide catch lever 20 for receiving a control element 10 having a second axis of rotation B comprises two fastening arms 21, 22 which extend essentially radially to the first axis of rotation A and are arranged parallel to one another.
  • Both a first arm 21 and a second arm 22 of the slide stop lever 20 each have a bore 23 at their ends.
  • a bolt 81 is inserted through the bore 23 for mounting the control element 10 on the slide stop lever 20 .
  • control element 10 is arranged completely axially within the fastening arms 21, 22. In other words, the control element 10 is integrated into the slide stop lever 20 .
  • the second mounting arm 22 has two stops 24,25. Both stops 24, 25 each include a contact surface on which the projection 19 of the control element 10 can be brought into contact.
  • the stops 24, 25 are formed by a material recess, the material recess forming a C-shaped circular ring around the second axis of rotation B.
  • the projection which has substantially the same thickness as the second attachment arm, thus runs on a circular path around the second axis of rotation B and is free to rotate within the stops 24,25.
  • the end of the slide stop lever 20 in the area of the stops 24, 25 is also referred to as the end of the fastening arms or the slide stop lever on the control element side.
  • the projection 19 strikes the bearing surface of the stop 24 with its bearing surface 19a. If, on the other hand, the control element 10 rotates in the opposite, second direction of rotation 92 by a specific angle, the projection 19 strikes the bearing surface of the stop 25 with its bearing surface 19b.
  • the pivotability is approximately 160°. That is, the control element 10 and thus the control section 11 can be pivoted or rotated by 160° from one stop 24 to the other stop 25 and vice versa.
  • other angular ranges are also conceivable.
  • the slide catch lever also includes a catch arm which is divided into two catch arm sections 26 , 27 .
  • the catch arm sections 26 , 27 extend essentially in the opposite direction to the fastening arms 21 , 22 .
  • the respective catch arm sections 26, 27 have a respective catch surface 26a or 27a.
  • the catch arm sections 26, 27 are arranged parallel to one another and are connected to one another at their respective ends by means of a connection, for example in the form of a web 28 to increase stability.
  • the web is arranged in such a way that it allows the cam of the bolt carrier to pass without contact. It is easy to see that the web 28 is arranged in a lower region of the ends of the catch arm sections 26, 27. Viewed in cross-section, the tentacle sections 26, 27 and the web form an upward U. The distance between the two tentacle sections is greater than the width of the cam.
  • the end of the slide catch lever 20 in the region of the catch surfaces 26a, 27a is also referred to as the catch arm end of the catch arm sections or of the slide catch lever.
  • the slide catch lever 20 also has a bore which is arranged coaxially to the first axis of rotation A and through which a bolt 82 is guided.
  • the slide catch lever is pivotably attached about the first axis of rotation A to a non-rotatable component, such as a grip or a weapon housing or to a part connected to one of these parts.
  • a torsion spring 8 wound around the first axis of rotation A is provided, the two legs of which Center piece 18 of the control 10 in the annular gap 14 of the control at least partially embrace.
  • the center piece has two straight contact surfaces on which the thighs come to rest.
  • the control 10 is in 2 shown in a central position in which it is held by the spring 8. Viewed in a longitudinal section, the center piece 18 terminates with a triangular profile, the tip being on a side of the axis of rotation B that faces away from the first axis of rotation A, as can be seen very clearly in the right-hand image of FIG 2 can be seen.
  • the slide catch lever 20 has a hook or a claw 26b aligned with the first axis of rotation A on a side of the catch arm section 26 facing away from the bolt carrier 30 for receiving a corresponding claw of a continuous fire pawl 40 .
  • the control element is in a middle position in the left column. This corresponds to the 2 shown and explained position.
  • the left column shows the slide catch lever 20 from top to bottom in a schematic side view and in a lateral section.
  • the center position is also referred to as the vertical position.
  • control element 10 or the first control section 11 is deflected as far back as possible, ie in the direction of rotation 91 .
  • the projection 19 touches the stop 24 of the slide catch lever 20 with its stop surface 19a.
  • the control element 10 or the first control section 11 is deflected forward, ie in the direction of rotation 92 .
  • the projection 19 touches the stop 25 of the slide catch lever 20 with its stop surface 19b.
  • the right-hand column also shows a transverse web 26c, on which a leg of a leg spring can rest.
  • the middle and right columns show the slide stop lever 20 from top to bottom in a schematic side view, in a side section and in perspective.
  • 3 also shows the middle piece in a side view in a preferred embodiment.
  • the center piece 18 preferably has a hexagonal cross section with rounded corners in some cases.
  • the sides which are essentially parallel to each other, are the ones already in 2 addressed contact areas. The bottom is longer than the top.
  • the profile closes on its left side, as in 2 already described, with a triangular profile, the apex of which is on a side of the axis of rotation B that faces away from the first axis of rotation A (front triangular apex).
  • the left end of the upper and lower side of the hexagonal profile is connected to each other via two side lines that span an angle of about 80-90°.
  • the hexagonal profile ends with a triangular profile that has rounded corners.
  • the respective right-hand end of the upper and lower side of the hexagonal profile is connected to one another via two side lines which span an angle of approximately 135°.
  • the rounded corner is also known as the rear triangle apex.
  • the side line that connects the rear tip of the triangle to the right end of the upper side partially has a noticeably smaller distance to the second axis of rotation B than the side that connects the rear tip of the triangle to the right end of the lower side.
  • the second axis of rotation B or the second axis is arranged offset significantly to the rear, ie the distance between the front triangle apex and the second axis of rotation B is significantly greater than the distance between the second axis of rotation B and the rear triangle apex.
  • This geometry of the center piece 18 affects the deflection of the control element 10 or the first control section 11 both to the rear and to the front.
  • the preferred geometry and the second axis of rotation (B) offset to the rear define the respective force application points or define the lever ratios in interaction with the torsion spring 8 and mean that a lower spring force has to be overcome when deflecting backwards than when deflecting forwards .
  • the restoring force of the spring is greater in the forward deflected position than in the rearward deflected position.
  • FIG. 4 12 shows the bolt carrier 30 in a preferred embodiment of the invention in a schematic view from one perspective.
  • the perspective is aimed at the underside of the bolt carrier, i.e. the side facing the bolt release.
  • the bolt carrier 30 On its underside, the bolt carrier 30 has three catch catches 31, 32, 33, each with a catch surface 31a, 32a or 33a, by means of which the bolt catch lever 20 can catch the bolt carrier 30.
  • the catching catches 31, 32, 33 have a triangular profile in cross-section in order to make it easier to catch the bolt carrier 30.
  • the latching surfaces 31a, 32a, 33a correspondingly correspond to the contact surfaces 26a, 27a of the slide stop lever 20.
  • the front latching surface 31a is the so-called main latching surface.
  • the catch catches 31, 32, 33 are each divided into two catch catch sections by two longitudinal grooves 34, 35a.
  • the rear groove 34 extends from the rear side of the bolt carrier 30 to the rear end of the rear projection 38 and divides the middle catch catch 32 and the rear catch catch 33 into two catch catch sections each, so that a left-hand catch arm section and a right-hand catch arm section are formed.
  • the groove 35a divides the front catch catch 31 into two catch catch sections, so that a left-hand catch arm section and a right-hand catch arm section are also formed here.
  • the groove 35b located between the front and middle projections 36 and 37, respectively.
  • the grooves 35a and 35b are also referred to as so-called double grooves.
  • a further groove 35c which begins at the front end of the front projection 36 and, after a short run, ends on the front side of the bolt carrier 30, can be seen in the beginning.
  • the minimum width of the grooves 34, 35a, 35b and 35c is the width of the first arm 15, so that the first arm 15 can protrude at least partially into the grooves 34/35a/b/c when actuated accordingly.
  • the lock carrier 30 On its underside, the lock carrier 30 also has a control cam, which has already been mentioned, for actuating the control element 10 .
  • the cam is formed by three projections 36, 37, 38 extending in the radial direction of the longitudinal axis.
  • the projections 36, 37, 38 have a rectangular cross-section, the respective length s being greater than the respective width w. According to this preferred embodiment, the ratio of length s and width w is greater than 4:1.
  • the ratio of the width of the bolt carrier 30 and the width w of the projections 36, 37, 38 is approximately 8:1.
  • the three projections 36, 37, 38 are also arranged in a straight line.
  • the distances between the rear latching surface 33a and the rear double groove 35a, the middle latching surface 32a and the front double groove 35b and the front latching surface, i.e. the main catch surface 31a and the short groove 35c, are the same and correspond at most to the distance between the rear edge of the first arm 15 when the control element is in a vertical position. i.e. the first contact surface 11a of the first control section 11 and the catch surfaces 26a, 27a of the slide catch lever 20.
  • the projections 36, 37, 38 can slide through the space 29 defined by the catch arm 26, 27 without touching the rear part of the slide catch lever and to impede the movement of the bolt carrier 30.
  • the front projection 36 and the middle projection 37 are arranged in front of the first catch notch 31 while the rear projection 38 is arranged between the front catch notch 31 and the middle catch notch 32 .
  • the distances between the front ends of the projections 36, 37, 38 (rear ends of the grooves 35c, 35b and 35a) and the respective latching surfaces 31a, 32a, 33a are functional dimensions and are at most equal to or smaller than the distance between the first arm 15, in particular the first contact surface 11a and the catch surfaces 26a, 27a of the slide catch lever 20.
  • the projections 38, 37, 36 of the cam are interrupted by the grooves 35a, 35b and 35c.
  • the first arm 15 can be immersed in these grooves, placed in a vertical position (relaxed) and moved backwards again during manual shutter return.
  • the third control section 12 and the second control section 13 can again disengage from the second insert 6 or from the control surface 55a of the trigger 50 (when the trigger is actuated), whereby the rear part of the slide stop lever 20 is again spring-loaded and released into its catch position.
  • FIG. 4 shows a continuous fire latch 40, such as may be used in a trigger assembly, in a schematic view from one perspective.
  • the automatic fire pawl 40 has a third axis of rotation C and three arms 41, 42, 43 extending in the radial direction to the third axis of rotation C.
  • a first arm 41 has a substantially rectangular cross section and terminates in a semicircle at its radial end.
  • the first arm 41 is intended to be connected to a control surface of a trigger 50, such as that shown in FIG 6 is described as coming into contact.
  • a second arm 42 has a substantially triangular cross section.
  • the second arm 42 which is arranged axially between the first arm 41 and the third arm 43, is intended to be rearranged or released by a firearm safety device.
  • a safety lever can be brought into mechanical contact with a first corner region 44 of the second arm 42, for example.
  • the second arm 42 has a projection 46 which extends in the axial direction of the third axis of rotation C and is intended to catch the hook or claw 26b of the slide catch lever 20.
  • the projection 46 extends axially in the direction of the third arm 43.
  • the projection 46 can also be called a claw.
  • the third arm 43 has a substantially rectangular cross section and terminates in a semicircle at its radial end.
  • the third arm 43 is intended in particular to be acted upon by a force of a torsion spring in order to always cause a torque of the automatic fire pawl in the direction of rotation 95 .
  • a torsion spring is in 7 denoted by reference numeral 4.
  • Arrow 96 indicates the direction of rotation acting against the spring force.
  • FIG. 12 shows a trigger 50, as may be used in a trigger assembly, in a schematic perspective view.
  • the trigger 50 has a base body 51 which can be pivoted about a fourth axis of rotation D and has a thickness y and a geometry which is known per se.
  • the trigger 50 is equipped with an actuating element 57, on the back of which there is a bearing surface 52 for a leg of a leg spring.
  • Such a torsion spring is in 7 shown and denoted by reference numeral 3 there.
  • the torsion spring pushes the trigger 50 forward in a manner known per se, i.e. in the direction of rotation 97. A bending of the trigger to the rear accordingly causes a rotation about the fourth axis of rotation D in the direction of rotation 98.
  • the front of the actuating element 57 can be fitted with an im Handle housing arranged use are brought to bear to limit the rotational movement of the trigger when it is actuated.
  • Such an application is, for example, in 8 shown and referred to there as the fifth insert 9a.
  • the trigger also has a first section 53 which can be set behind by means of a safety lever in order to prevent the actuating element 57 from bending off.
  • the first portion is formed as an elongated and curved lever or arm having a tapered end 53a.
  • the tapered end 53a is particularly well suited to prevent collision with the stopper or projection 61.
  • the tapering end 53a can be designed to be caught by a projection 61, designed as a claw, of a safety lever.
  • a safety lever is in 7 shown and denoted by the reference numeral 60 there.
  • the trigger 50 also has a second section 54, which in turn is used for the direct control of the control element 10 and thus for the indirect control of the slide stop lever 20.
  • the second section 54 by means of the second section 54, the rotation of the automatic fire pawl 40 can be blocked and allowed.
  • the first section 53 and the second section 54 are formed by a material recess in the base body 51 and accordingly also have the thickness y.
  • the second section 54 includes an axially extending projection 55 with a different from the base body 51 larger thickness z.
  • the projection 55 On its upper side, i.e. the side facing the control element 10, the projection 55 also has a control surface 55a and a control edge 55b.
  • the control surface 55a is intended to guide or to control the control section 13 and in particular the projection 13a of the control element.
  • a bore 56 is provided coaxially to the fourth axis of rotation D, through which a pin, pin or bolt can be passed in order to rotatably mount the trigger 50 on a non-rotatable component, such as on a housing of a grip.
  • Said pin, pin or bolt is preferably attached to the left and right side of the weapon with a wall of the grip so that the trigger is stabilized and can therefore be guided better.
  • FIG. 7 shows a trigger assembly 70 in a preferred embodiment of the invention of a machine gun, not shown in detail, in the design of a machine gun in a schematic view in a cross section.
  • trigger assembly 70 includes control element 10 1 , the slide stop lever 20 2 , the automatic fire latch 40 off figure 5 , and the trigger 50 off 6 , so that reference is made to the explanations given there.
  • the trigger assembly 70 also includes a firearm safety device in the form of a safety lever 60.
  • the bolt carrier 30 is off 4 shown engaging the trigger assembly 70.
  • the trigger 50 is movable between a non-actuated position and an actuated position in a manner known per se.
  • the catch arm sections 26, 27 of the slide catch lever 20 are engaged in a front catch catch 31, which is the main catch catch, of the bolt carrier 30, as a result of which the bolt carrier 30 is held in position by the bolt catch lever 20.
  • the control element 10 is rotatably mounted on the slide stop lever 20 about the second axis of rotation B and can be controlled from below by means of the trigger 50 and from above by means of the slide carrier 30 . Since the control element 10 is rotatably mounted on the slide catch lever 20, the control element 10 can also rotate about the first axis of rotation A of the slide catch lever when the slide catch lever 20 is moved accordingly.
  • Such a control element 10 is used in conjunction with the control surface 55a on the trigger 50 and the insert 6 on the grip housing to hold down the slide stop lever 20 in the slide advance and to release the slide stop lever 20 in the slide return.
  • the slide stop lever 20 is held down by the continuous fire pawl 40 while the shot is being fired.
  • a first leg spring 2 is supported with a first leg on a first insert 5 and presses with a second leg against the slide catch lever 20.
  • the second leg of the first leg spring 2 is in contact with a contact surface of the slide catch lever 20 which, according to this embodiment, by a Crossbar 26c on hook 26b at the beginning of the first and second catch arm section 26a, 27a (cf. 3 bottom right) is formed.
  • the so-called "leg spring for the slide catch lever” causes a torque in the direction of rotation 94. In other words, the slide catch lever 20 is caused by the Torsion spring 2 pressed upwards into the catch position.
  • the first torsion spring 2 is wound around a third insert 7 .
  • a second leg spring 3 is supported with a first leg on a second insert 6 and presses with a second leg against the trigger 50.
  • the second leg is in contact with the contact surface 52 of the trigger 50 (cf. 6 ).
  • the so-called "trigger spring for the trigger” causes a torque in the direction of rotation 97.
  • the spring force of the second torsion spring 3 counteracts a bending of the trigger 50.
  • an insert 9 fixed to the housing is provided, which is arranged at an upper end of the actuating element 57 and on which the trigger 50 is supported.
  • the second torsion spring 3 is also wound around the third insert 7 .
  • a third leg spring 4 is supported with a first leg on the first insert 5 and presses with a second leg against the continuous fire latch 40.
  • the second leg is in contact with a contact surface of the continuous fire latch 40 formed by the third arm 43, in particular encompassing the second Legs the third arm in the axial direction.
  • the so-called "leg spring for the automatic fire pawl" is wound around the third axis of rotation C, in particular around a sleeve-like area of the automatic fire pawl 40, and causes a torque in the direction of rotation 95.
  • the force of the first leg spring 2 (leg spring for the slide catch) is greater than the force of the second leg spring 3 (leg spring for the trigger), with the force of the second leg spring 3 in turn greater than the force of the third leg spring 4 (leg spring for the automatic fire pawl). is.
  • a fourth torsion spring 8 is wound around the first axis of rotation A and holds the control element 10 in a central position.
  • the control element 10 can be pivoted about the second axis of rotation B in both directions of rotation 91, 92 against the force of the fourth torsion spring 8.
  • the trigger 50 comes into contact with its control surface 55a formed on the projection 55 with the second control section 13 or with the radial projection 13a of the control element 10 .
  • the projection 55 prevents the automatic fire pawl 40 from rotating about its own axis of rotation C when the trigger is decocked. If the trigger 50 is actuated, the contact surface 52 of the actuating element 57 comes to a figure 8 shown housing-fixed fifth insert 9a to the system to limit the movement of the trigger 50 to the rear.
  • the cam of the bolt carrier 30 can deflect the first control section 11 against the force of the fourth torsion spring 8 in the direction of rotation 92 in advance and against the force of the fourth torsion spring 8 in the direction of rotation 91 in the reverse movement.
  • a safety lever 60 which can be pivoted about its axis E and is combined with a fire selector lever places the trigger 50 behind it.
  • the safety lever 60 can also assume the “single fire” and “continuous fire” positions. In the “single fire” position, the safety lever 60 clears the way for the trigger 50 and at the same time places the second arm 42 of the continuous fire latch 40 behind it. In the “steady fire” position, the safety lever 60 clears the way for the trigger 50 and the continuous fire latch 40.
  • the state of the weapon as in 7 shown, loaded and saved.
  • the safety lever 60 can be rotated in the direction of rotation 99 into its second switching position (single fire). From this it can be turned in the direction of rotation 99 into its third switching position (continuous fire). Contrary to the direction of rotation 99, the safety lever can be transferred from the third switch position to the second switch position and from there to the first switch position.
  • FIG. 8 shows the deduction 50 off 6 in cooperation with a firearm safety device 60 designed as a safety lever in further views, sections and perspectives. While 6 showing the trigger from his left side 8 the trigger 50 and the safety lever 60 from the right side.
  • the safety lever 60 can assume three switch positions: A first switch position or position is in the left column 8 shown. In this switch position, the safety lever 60 places the first section 53 of the trigger 50 behind and thereby mechanically prevents it from being fully actuated. The safety lever 60 is in the "safe" switch position.
  • a second switching position is in the middle column 8 shown.
  • the safety lever 60 is in the "single fire” switch position.
  • the safety lever 60 releases the trigger 50 while holding the automatic fire latch 40 (not shown) in position. It is easy to see how the stop 61 of the safety lever 60 releases the tapering arm 53a of the trigger 50 .
  • the trigger 50 is fully actuated in direction 100 and the rear side of the actuating element 57 rests against an insert 9a fixed to the housing. The insert 9a therefore prevents the trigger 50 from moving further backwards in direction 100.
  • a third switching position is in the right-hand column 8 shown.
  • the safety lever 60 is in the "continuous fire” switch position.
  • the safety lever 60 releases the trigger 50 and the automatic fire latch 40 (not shown).
  • the trigger 50 is fully actuated in direction 100 and the rear of its actuating element 57 rests against the insert 9a fixed to the housing.
  • a sixth insert 9b designed as a pin can also be seen, about whose axis of rotation D the trigger 50 can be pivoted.
  • the insert 9b can also be referred to as an axle.
  • Figure 12 shows portions of trigger assembly 70 7 , namely the control element 10, the slide stop lever 20, the automatic fire pawl 40, the trigger 50 and the safety lever 60 in a schematic side view (from the left side) and in a perspective.
  • the safety lever or the fire selector lever 60 is in the "continuous fire" switch position in both columns.
  • the trigger 50 is in an unactuated position, holding the automatic fire latch 40 in position.
  • the control 10 is in its middle position. The trigger 50 is relaxed and supported on the insert 9.
  • the right column shows the trigger 50 in an actuated position. Due to the spring force of the torsion spring 4, the automatic fire pawl 40 rotates clockwise about its own axis of rotation C (direction 95). The claw 46 of the automatic fire pawl 40 and the hook 26b of the slide catch lever 20 hook into one another. The slide stop lever 20 is held “down” until the trigger 50 is released. After the trigger 50 is released, it returns the automatic fire pawl 40 to the starting position.
  • the control element 10 While the trigger 50 is actuated, the control element 10 is alternately deflected forwards and backwards by the activation of the bolt carrier 30 . in the in 9 The snapshot shown on the right is the control element 10 deflected forward, ie rotated in the direction of rotation 92 .
  • the right-hand column also clearly shows that the axes of the three inserts 7, 9 and 9b are spaced apart in the vertical direction. Thus, there is a distance n between the axis of the insert 7 and the axis of the insert 9 and a distance m between the axis of the insert 9 and the axis of the insert 9b.
  • Figure 10a , 10b show the process of loading the weapon or the trigger assembly 70 7 in the secured state based on four consecutive points in time t1, t2, t3 and t4.
  • the safety lever 60 is in its first position, ie it sets the trigger 50 behind and thus secures the weapon.
  • the control element 10 is in its middle position and is not in contact with the bolt carrier 30.
  • the third control section 12 is disengaged from the second insert 6 fixed to the housing.
  • the slide stop lever 20 is through the first torsion spring 2 is rotated counterclockwise in the direction of rotation 94 until the second control section 13 and third control section 12 are present on the control element 10 on top of the fourth axis of rotation D.
  • the catch surfaces 26a and 27a of the slide catch lever 20 are thus in the “catch position”.
  • the breech or the breech carrier 30 is repeated by hand and guided backwards in direction 100 .
  • Time t2 While the bolt carrier 30 is moved to the rear, the catch catch 33 comes into contact with the catch arm sections 26, 27 of the bolt catch lever 20 and presses the bolt catch lever 20 downwards, i.e. against the force of the torsion spring 2 in the direction of rotation 93.
  • the front end of the slide catch lever 20 with the control element 10 is lifted briefly, ie temporarily.
  • the control element 10 is successively run over by the cam 38, 37, 36 and each time deflected backwards, which in the present case has no effect on the slide catch lever 20. since the control element 10 does not rest with its second control section 13 on the control surface 55a of the trigger 50, nor with its third control section 12 on the second insert 6, i.e. the control section 11 rotates repeatedly around its own axis of rotation B in the direction of rotation 91.
  • control element 10 As soon as the control element 10 is no longer run over by the projection 38 and its first control section 11 is in the rear groove 35a, it is pivoted again by the fourth torsion spring 8 in the direction of the second direction of rotation 92 into its vertical starting position.
  • Time t4 The bolt carrier 30 is now engaged in its front catch catch 31.
  • the slide stop lever 20 holds the slide carrier 30 in this position.
  • the control 10 is in its middle position. The condition of the weapon is fully loaded and secured.
  • Figure 11a , 11b , 11c and 11d show the sequence of the single fire delivery of the weapon or the trigger assembly 70 7 , based on nine consecutive points in time t4, t5, t6, t7, t8, t9, t10, t11 and t12.
  • Time t4 The state of the weapon is fully loaded and secured.
  • Time t5 The safety lever 60 is in its second switching position, the single-fire position, which on the one hand releases the trigger 50 and on the other hand keeps the automatic fire pawl 40 in its position.
  • the trigger 50 is actuated in direction 100 and thereby pushes the control element 10 upwards in the direction of the arrow, as a result of which the catch arm sections 26, 27 of the slide catch lever 20 rotate in the direction of rotation 93 and are thus moved downwards in the direction of the arrow.
  • Time t6 The trigger 50 has been fully pulled.
  • the slide catch lever 20 has been transferred from its catch position to its rest position, in which the slide carrier 30 is now released.
  • the bolt carrier 30 springs forward in direction 101 due to the force of the recoil spring.
  • Time t7 The control section 11 is controlled by the front projection 36 and deflected forward (rotational movement 92).
  • the control element 10 slides with its projection 13a and its second control section 13 on the control surface 55a of the depressed trigger 50 and runs with its eccentric third control section 12 up to its projection 12b and over the insert 6 fixed to the housing.
  • the projection 19 of the control element 10 rests with its stop surface 19b on the stop 25 of the slide stop lever 20.
  • Time t8 the bolt carrier 30 is in its foremost position.
  • the control lever 10 is pressed into its middle position by the torsion spring 8 in the slide stop lever 20 .
  • the control lever 10 is supported both on the insert 6 and on the control surface 55a of the trigger 50 that has been actuated. Accordingly, there is a distance between the axis D and the control section 12, 13.
  • the breech carrier 30 is again driven back by the propellant gas pressure of the fired cartridge, as shown at time t9 below.
  • Time t9 A cartridge was fired and the breech or the breech carrier 30 runs backwards in direction 100 due to the propellant gas pressure of the fired cartridge.
  • the contact surface 11b of the first control section 11 is controlled by the rear projection 38 and deflected to the rear (rotational movement 91).
  • the second control section 13, in particular the projection 13a of the control element 10 slips over the control edge 55b of the trigger 50 and "falls" down.
  • the slide catch lever 20 is turned upwards towards its catch position.
  • Time t10 The bolt carrier 30 runs in direction 100 to a rear end stop and is pushed forward again in direction 101 by the closing spring force.
  • the slide catch lever 20 is in its catch position.
  • the slide therefore turns in its rearmost position and is caught by the slide catch lever 20 in its front catch catch 31 in the single fire position of the fire selector lever 60, as shown below at time t11. If the trigger 50 is released and the fire selector lever 60 is set to the "safe" position, a new belt can be inserted when the cartridge supply is empty and the weapon can be made ready to fire again.
  • the projections 36, 37, 38 control the first arm 15 of the control lever 10 backwards, whereupon the second control portion 13 of the control lever 10 with its projection 13a over the control surface 55a and the control edge 55b of the trigger pressed 50 is controlled and the control lever 10 will tilt with the front side of the slide catch lever 20 downwards and the rear part of the slide catch lever 20 upwards, whereupon the bolt carrier 30 running over the slide catch lever 20 will be caught in its front main catch catch 31 by the slide catch lever 20 when moving forward again and only can be released again by pressing the trigger 50 again.
  • Time t11 The slide catch lever 20 snaps into the front catch catch 31 of the slide carrier 30 and holds the slide carrier 30 in this position.
  • Time t12 The trigger 50 is released.
  • the torsion spring 8 pushes the control element 10 back into its initial position, namely its middle position.
  • the state of the weapon is fully loaded and not secured. Single fire shot firing can now be repeated.
  • FIG. 12 shows the weapon at time t8 in an enlarged view. This view serves in particular to show the distance between the axis D and the control section 12 or 13. The distance is denoted by k.
  • the control lever 10 at this point rests on both the insert 6 (in 12 not recognizable) and on the control surface 55a of the actuated trigger 50.
  • 13 and 14 show the slide catch lever 20 in a forward position of the slide, with the trigger 50 relaxed, i.e. not actuated. While the fire selector lever 60 in 13 in the "single fire" position, it is in 14 secured. As well in 13 as well as in 14 the control lever 10 is supported on the axis D or 9b of the trigger 50 with its second and/or third control section 13, 12. The shutter is now returned manually and then released.
  • the control lever 10 is in the locked position of the slide catch lever 20 with its second and third control section 13, 12 - unlike in 13 , 14 - Not on the axis D of the trigger 50, so that the slide catch lever 20 can engage with its catch surfaces 26a, 27a fully up to the stop on the underside of the bolt carrier 30 in the catch catches 31, 32, 33. It can be seen how the catch arm section 27 bears completely against the underside of the bolt carrier 30 with an upwardly directed surface of the stop surface 27a and completely against the stop or the catch catch 31 with a rearwardly directed surface of the stop surface 27a.
  • the slide catch lever 20 is supported on the slide mount 30 in order to ensure that the catch catch 31 on the slide mount 30 is positioned behind it over the entire surface.
  • the distance between the axis D and the control sections 12, 13 is denoted by k.
  • the distance k according to 15 is less than the distance k in 12 .
  • 16a and 16b show the course of a malfunction in the breech advancement of the weapon or the trigger assembly 70 7 based on five consecutive points in time t13, t14, t15, t16 and t17.
  • Time t13 The trigger 50 is actuated (direction 100).
  • the shutter is stopped in advance due to a trouble, especially a feeding trouble.
  • Time t14 Due to the disturbance, the trigger is released (now moving in direction 101) and the slide is cycled by hand, ie returned.
  • the control section 11 protrudes into the intermediate space or into the second groove 35a, which separates the front catch catch 31 into two catch catch sections.
  • the weapon can also be secured in a preferred manner in this process of eliminating a fault and all further operations can be carried out in the secured state.
  • Time t15 The middle projection 37 of the cam controls the second contact surface 11b of the first control section 11 and rotates it clockwise (direction of rotation 91).
  • the third control section 12 of the control element 10 which was previously resting on the upper side of the second insert 6 fixed to the housing, is disengaged from this insert 6, after which the slide stop lever 20, which is under the tension of the first torsion spring 2, with its end on the control element submerge and its tentacle-side end can emerge (fourth direction of rotation 94).
  • the control section 11 With the trigger 50 depressed, the control section 11 is rotated as the bolt carrier 30 moves back so far that the second control section 13 of the control element 10 resting on the control surface 55a of the trigger 50 slides with its projection 13a over the control edge 55b of the trigger 50 and from the actuated Trigger 50 is disengaged, after which the slide release lever 20 will assume the same position as when the trigger 50 was not pressed.
  • Time t16 The control section 11 is controlled or deflected to the rear by the central projection 37 so far that the third control section 12 of the control element 10 resting on the insert 6 slips over the insert 6 downwards. Thereby the slide catch lever 20 is moved further upwards and the slide carrier 30 can be locked in each of the three catch catches 31, 32, 33 in the rearward movement.
  • Time t17 The bolt carrier 30 is in the starting position. The state of the weapon is fully loaded and not secured.
  • Figures 17 to 17c show the sequence of continuous fire delivery of the machine gun or the trigger assembly 70 7 , based on nine consecutive points in time t18, t19, t20, t21, t22, t23, t24, t25 and t26.
  • Time t18 The safety lever 60 is in its third switching position, i.e. in the continuous fire position. In contrast to the single fire position, the automatic fire pawl 40 is no longer blocked by the safety lever 60. Only the spring force of the second torsion spring 3 , which presses the trigger 50 forward, keeps the automatic fire pawl 40 in position against the spring force of the third torsion spring 4 .
  • Time t19 The trigger 50 is pulled and pushes the control element 10 up. This in turn causes the slide catch lever to rotate downwards, i.e. in the direction of rotation 93.
  • the trigger 50 is actuated, the automatic fire pawl 40 is rotated clockwise by the third torsion spring 4, i.e. in the direction of rotation 95.
  • Time t20 The trigger 50 has been fully pulled.
  • the bolt carrier 30 is released and is moved forward by the force of the recoil spring.
  • Time t21 The front projection 36 of the bolt carrier 30 comes into contact with the control section 11 and deflects it forward, ie in the direction of rotation 92.
  • the third control section 12 of the control element 10 runs over the insert 6. Due to the eccentric projection 12b formed section 12a of the third control section 12, the slide catch lever 20 is guided downwards at its end on the catch arm side (direction of rotation 93), ie the slide catch lever 20 dives further down at its end on the catch arm side.
  • the automatic fire pawl 40 engages with its claw 46 in the claw 26b of the slide stop lever 20 and holds the slide stop lever 20 on its Catch arm end in this lower position, which corresponds to the rest position of the slide catch lever 20.
  • Time t22 The continuous fire function is now available: the trigger 50 is actuated.
  • the slide stop lever 20 is caught in its rest position by the automatic fire pawl 40 and is in the lower position.
  • the bolt carrier 30 moves back and forth freely in the continuous fire mode.
  • the control section 11 is alternately rotated in its two directions of rotation 91, 92 by the first cam area 36, 37, 38--however, the control section 11 has no function in this mode and can oscillate freely.
  • Time t23 The continuous fire function is ended.
  • the trigger 50 is released. After hitting the rear end stop, the bolt carrier 30 is in the forward position again. In this snapshot, the trigger 50 was released when the first catch notch 31 had already passed. Releasing the trigger 50 rotates the automatic fire pawl 40 counterclockwise, i.e., in the direction of rotation 96 . As a result, the claw 46 of the automatic fire pawl 40 is unscrewed from the claw 26b of the slide stop lever 20 and this is released.
  • Time t24 The shutter moves forward one last time.
  • the control section 11 of the control element 10 is deflected forward in the direction of rotation 92 (second direction of rotation).
  • the slide stop lever is moved downwards in the direction of rotation 93 with its end on the side of the catch arm.
  • Time t25 The shutter runs backwards after the last shot has been fired.
  • the closure can be locked in each of the three catch notches 31, 32, 33 in the event that the recoil is too weak.
  • Time t26 The initial state as at time t18 is now present.
  • the 18 shows a machine gun MG in the form of a machine gun MG5 with the trigger assembly 70 described above and the bolt carrier 30.
  • the MG5 is an indirect gas pressure loader with a caliber of 7.62 ⁇ 51 mm.
  • the weapon is shown in a side view, with some construction details of the invention being hidden by the grip G.
  • the actuating element 57 of the trigger 50 can be seen, as can the safety or fire selector lever 60.
  • the safety or fire selector lever 60 can be operated from both sides.
  • the invention is not limited to a specific type of machine gun, but can be provided for a large number of different machine guns.
  • existing machine guns can be retrofitted with a trigger assembly as described above and a bolt carrier as described above.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Coating Apparatus (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
EP22157378.5A 2021-02-18 2022-02-18 Élément de commande, arrêtoir de culasse, porte-culasse, gâchette, module de gâchette pour une arme automatique, ainsi qu'arme automatique équipée de ceux-ci Pending EP4047299A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021103878.2A DE102021103878B8 (de) 2021-02-18 2021-02-18 Steuerelement, Verschlussfanghebel, Verschlussträger, Abzug, Abzugsbaugruppe für eine Maschinenwaffe sowie damit ausgestattete Maschinenwaffe

Publications (2)

Publication Number Publication Date
EP4047299A2 true EP4047299A2 (fr) 2022-08-24
EP4047299A3 EP4047299A3 (fr) 2022-12-07

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EP22157378.5A Pending EP4047299A3 (fr) 2021-02-18 2022-02-18 Élément de commande, arrêtoir de culasse, porte-culasse, gâchette, module de gâchette pour une arme automatique, ainsi qu'arme automatique équipée de ceux-ci

Country Status (6)

Country Link
US (2) US11906257B2 (fr)
EP (1) EP4047299A3 (fr)
JP (1) JP7420843B2 (fr)
KR (1) KR20220118340A (fr)
CA (1) CA3149528A1 (fr)
DE (1) DE102021103878B8 (fr)

Citations (5)

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DE102007004588B3 (de) 2007-01-30 2008-07-24 Heckler & Koch Gmbh Steuerelement, Abschlageinrichtung und Abschlagbaugruppe für eine Waffe
EP2205925A1 (fr) 2007-10-31 2010-07-14 Heckler & Koch GmbH Arrêtoir de culasse, dispositif de détente et élément de préhension pour une arme
EP2198232B1 (fr) 2007-10-08 2011-03-30 Heckler & Koch GmbH Mécanisme de sûreté pour un arrêtoir de culasse
US20110168008A1 (en) 2010-01-14 2011-07-14 Ohio Ordnance, Inc. M240 rifle with select fire mechanism for selective fully-automatic and semi-automatic operation
DE102012212388B4 (de) 2012-07-16 2014-08-28 Heckler & Koch Gmbh Abzugsbaugruppe für eine Feuerwaffe

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IT1180634B (it) * 1984-12-10 1987-09-23 Beretta Armi Spa Meccanismo di scatto per la trasformazione dei fucili automatici ad otturatore chiuso in fucili ad otturatore aperto
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EP3129739B1 (fr) 2014-04-11 2018-12-05 Sturm, Ruger & Company, Inc. Système de commande de tir pour armes à feu
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IL259323B (en) 2018-05-13 2022-02-01 Israel Weapon Ind I W I Ltd An electro-mechanical mechanism for controlling a firing system
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Publication number Priority date Publication date Assignee Title
DE102007004588B3 (de) 2007-01-30 2008-07-24 Heckler & Koch Gmbh Steuerelement, Abschlageinrichtung und Abschlagbaugruppe für eine Waffe
EP2198232B1 (fr) 2007-10-08 2011-03-30 Heckler & Koch GmbH Mécanisme de sûreté pour un arrêtoir de culasse
EP2205925A1 (fr) 2007-10-31 2010-07-14 Heckler & Koch GmbH Arrêtoir de culasse, dispositif de détente et élément de préhension pour une arme
EP2205924B1 (fr) 2007-10-31 2016-12-14 Heckler & Koch GmbH Arrêtoir de culasse, dispositif de détente et élément de préhension pour une arme
US20110168008A1 (en) 2010-01-14 2011-07-14 Ohio Ordnance, Inc. M240 rifle with select fire mechanism for selective fully-automatic and semi-automatic operation
DE102012212388B4 (de) 2012-07-16 2014-08-28 Heckler & Koch Gmbh Abzugsbaugruppe für eine Feuerwaffe

Also Published As

Publication number Publication date
EP4047299A3 (fr) 2022-12-07
DE102021103878B3 (de) 2022-05-05
KR20220118340A (ko) 2022-08-25
DE102021103878B8 (de) 2022-06-23
JP2022126619A (ja) 2022-08-30
US20240085135A1 (en) 2024-03-14
US11906257B2 (en) 2024-02-20
JP7420843B2 (ja) 2024-01-23
US20220325970A1 (en) 2022-10-13
CA3149528A1 (fr) 2022-08-18

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