EP0197245B1 - Betätigungsvorrichtung für die Durchladevorrichtung einer selbstladenden Handfeuerwaffe - Google Patents

Betätigungsvorrichtung für die Durchladevorrichtung einer selbstladenden Handfeuerwaffe Download PDF

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Publication number
EP0197245B1
EP0197245B1 EP86100879A EP86100879A EP0197245B1 EP 0197245 B1 EP0197245 B1 EP 0197245B1 EP 86100879 A EP86100879 A EP 86100879A EP 86100879 A EP86100879 A EP 86100879A EP 0197245 B1 EP0197245 B1 EP 0197245B1
Authority
EP
European Patent Office
Prior art keywords
lever
rotation
actuating element
stop
guide cam
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.)
Expired
Application number
EP86100879A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0197245A1 (de
Inventor
Emil Rommel
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 EP0197245A1 publication Critical patent/EP0197245A1/de
Application granted granted Critical
Publication of EP0197245B1 publication Critical patent/EP0197245B1/de
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/005—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for preventing unintentional use of a control mechanism
    • 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
    • F41A3/72—Operating handles or levers; Mounting thereof in breech-blocks or bolts

Definitions

  • the invention relates to an actuating device for the through-loading device of a self-loading firearm, with a rotatably mounted actuating element, with a device for limiting rotation to stop the actuating element when actuated in a predetermined direction of rotation after a predetermined angle of rotation, with a two-armed lever pivotable about an axis, with a closed curve, which is arranged on a part rotatable relative to the axis of the lever, the curve forming a stop against which the lever comes to rest with one of its lever arms during relative movement in a predetermined direction of rotation when the lever is pivoted into a locking position , and with means for pivoting the lever into the blocking position when the actuating element rotates in the predetermined direction of rotation and for pivoting the lever back when the actuating element rotates in the opposite direction.
  • a through-loading device for the weapon which can be driven by electrically ignitable gas generation cartridges, is provided, and a revolver-like housing containing the gas generation cartridges is incrementally advanced, with a rotatable housing having internal teeth by one by one Angle of approximately 30 ° limited rotatable switching sleeve by means of a switching pawl in a certain direction of rotation, whereby a stationary pawl in the form of a two-armed lever, the position of which is controlled by the switching sleeve, stops the housing with internal teeth after performing a switching step in that one of the arms of the two-armed lever comes to rest on a flank of the internal toothing.
  • This two-armed lever is pivoted through the switching sleeve into a release position before the next switching step begins.
  • Handguns with a rotatably mounted actuating element are known for example from DE-C-10 092, DE-C-65 980 and US-A-2 418 906.
  • the actuating element can only be rotated by a limited swivel angle, which is smaller than 360 °, and then has to be returned to its starting position in the opposite direction.
  • the object of the invention is to ensure, in the case of an actuating device of the type described at the outset, that, in the case of a handgun, the actuating element can essentially only be rotated in a predetermined direction of rotation and is stopped in each case in a predetermined position.
  • the curve is a guide curve
  • the guide curve and the lever are designed in such a way that the lever, when it moves with a first arm on the arm during the movement of the actuating element in the predetermined direction Stop of the guide curve comes to rest, whereby further rotation in the same direction is blocked by a short backward movement of the actuating element, in which the other lever arm interacts with the guide curve and is prevented from further backward movement by another stop, by the guide curve so is pivoted that the first arm can be rotated past the stop in the first direction of rotation, and that one of the two interacting elements (guide curve or two-armed lever with its axis) of the device for limiting the rotation is in drive connection with the actuating element and that the other one is both Elements (two-armed lever with its axis or guide curve) is rotatably arranged.
  • the advantage of the invention is that it is ensured that, starting from its rest position, the actuating element can only be rotated in a predetermined direction of rotation, although the actuating element is always rotated in the same direction when carrying out several loading processes in succession (from a slight reverse rotation to remove the blockage of the rotary movement) and is never turned back over larger angular ranges, neither by hand nor by a spring. Because a fixed end stop that limits the movement cannot be provided as in the linearly actuated through-loading devices, it is advantageous that after every predetermined rotation angle within which the through-loading process is completed, a stop prevents the inadvertent further rotation.
  • a rotatable actuating element for the through-loading device can be passed particularly easily in a dustproof and moisture-tight manner through a housing surrounding the weapon mechanism.
  • a special spring which ensures that a part interacting with the guide curve is constantly in contact with the latter, is not required. This increases the operational safety of the weapon.
  • the above-mentioned somewhat stiff mounting of the two-armed lever can be carried out in a simple manner, for example by engaging a somewhat resilient axle bolt in a bore. The pivoting movement of the two-armed lever only has to be inhibited by frictional forces or similar forces in such a way that the lever does not undesirably change its position during the loading process.
  • the guide curve has an inwardly jumping first section, which forms a stop for the lever arm which is at the front in the predetermined direction of rotation when the predetermined angle of rotation is reached, that an inwardly projecting section at a distance from the first section of the guide curve second section is provided which, when the lever moves backwards relative to the guide curve, starting from a position in which the front lever arm strikes the first section, comes into contact with the rear lever arm and pivots it outward and forms a stop for the backward movement of the lever , so that the front lever arm is moved inwards so far that the first section is no longer effective as a stop in the predetermined direction of rotation.
  • One advantage is the simple construction.
  • the guide curve has at least one further, inwardly projecting part, which forms a stop preventing backward movement of the two-armed lever.
  • This embodiment is advantageous if it is to be ensured that even if the actuating element has already covered part of its rotary movement, it is not possible to turn back, or at most only up to the abovementioned stop.
  • the actuating element can be in any connection in drive connection with the part carrying the two-armed lever.
  • the circular path of the axis of the two-armed lever is arranged concentrically with the axis of the actuating element. This offers the advantage of a particularly space-saving construction.
  • the two-armed lever is preferably mounted on a part which is connected in a rotationally fixed manner to the actuating element. Movable connecting parts between the actuating element and the bearing of the lever are omitted here.
  • the invention can be implemented particularly easily if at most approximately 360 ° is provided as the predetermined angle of rotation. Depending on a translation provided between the actuating element and the weapon mechanism, a smaller angle may be sufficient in individual cases, in particular also an angle of 180 °. It is also possible to provide stops at equal or unequal angular intervals, the sum of which amounts to 360 °, which stop the rotary movement in the predetermined direction of rotation, and, if desired, to provide one stop or a plurality of these latter stops which limit the rotary movement in the reverse direction of rotation.
  • a disc 6, which engages with a tubular projection 8 in a recess 10 of the side wall 2 is arranged in a side wall 2 of a housing 4 of an automatic rifle 1 made of plastic.
  • An internal toothing 12 of the disk 6 is non-rotatably engaged with an external toothing 14 of a bolt 16, which is made in one piece with an actuating element of the through-loading device, hereinafter referred to as a rotary knob 18.
  • the bolt 16 is held in engagement with the disk 6 by a spring ring 20.
  • Fig. 1 is drawn looking towards the rear end of the rifle.
  • the side wall 2 is therefore actually the left side wall of the housing 4.
  • a projection 22 arranged on the inside of the disk 6 moves further parts of the weapon in order to carry out the through-loading process.
  • Such a loading process is necessary to bring the first cartridge to be fired into the cartridge chamber when the still empty weapon is loaded, to unload a cartridge that is still in the cartridge chamber after removal of the magazine and to remove a non-fired cartridge from the weapon in the event of weapon malfunctions and bring another cartridge from the magazine to the cartridge chamber.
  • the rotary knob 18 in order to carry out a through-loading gangs the rotary knob 18 must be rotated 360 ° counterclockwise (view of FIG. 1 from the right) or clockwise in the illustration of FIG. 3, the knob 18 must first be turned counterclockwise by a few degrees in order to reach the position of FIG. 3 and to pivot the lever 40 described below, starting from the position in FIG. 3, the angle of rotation is clockwise until the position in FIG. 2 is reached again by these few degrees greater than 360 °.
  • a special lock against turning back should be provided after an angle of rotation of approximately 120 ° (starting from FIG. 2).
  • Such a lock can be expedient if, in this named position of the shooter, the shooter interrupts the rotary movement of the rotary button for some reason, for example in order to visually inspect the cartridge chamber that is now visible. It is intended to prevent the shooter from accidentally turning the rotary knob 18 back after the end of this check instead of turning it further about 240 °, as is necessary for the loading process to be carried out correctly.
  • the lock against turning back of the rotary knob 18 may be necessary in particular if, when the rotary knob 18 is actuated, a spring, for example the return spring of a gas pressure charging device, is tensioned, which could then endeavor to turn the rotary knob back when the rotary knob is released .
  • a spring for example the return spring of a gas pressure charging device
  • An essentially annular groove 26 is formed on the inside of the side wall 2, which is delimited by a bottom surface 30 parallel to the outer surface 28 of the side wall 2, a cylindrical inner surface 32 which is inoperative in the exemplary embodiment and an outer surface which forms a guide curve 34.
  • a two-armed lever 40 On the side of the disc 6 facing the side wall 2, a two-armed lever 40 is arranged, which engages with a slotted axle bolt 42 in a bore 44 of the disc 6 and is thus rotatably mounted in the bore 44 with some friction, so that the lever 40 in every position stops. It has a front lever arm 46 and a rear lever arm 48 with respect to the rotational movement required for loading in a clockwise direction (in the view in FIG. 2).
  • the lever 40 is made of plastic. The terms clockwise and counterclockwise always refer to FIGS. 2 to 4 below.
  • the guide curve 34 has a plurality of sections 52, 53 and 54 which are concentric with respect to the axis 50 of the rotary knob 18 and the disk 6 and have the same radius, these sections forming the radially outermost parts of the guide curve 34.
  • This is adjoined in a clockwise direction by a concentric section 60, the length of which corresponds to approximately half the length of the lever 40.
  • the front lever arm 46 is somewhat tapered by two surfaces 70 and 71.
  • the edge formed by these two surfaces 70 and 71 lies exactly at the kink 58 in FIG. 2. If a circular path 74, which describes the axis 76 of the axle bolt 42, is used to place a tangent at the location of the axle bolt 42 in FIG. 2, see above this tangent runs approximately through the bend 58. If an attempt is made to turn the rotary knob 18 in a clockwise direction, the front end of the front lever arm 46, which is formed by the surfaces 70 and 71, cannot come out of that by the sections 57 and 59 in the region of the bend 58 slide out stop formed. This reliably prevents rotation of the rotary knob 18 in a clockwise direction.
  • the front end of the front lever arm 46 reaches radially so far inward that the surface 71 no longer comes into contact with the section 59 during the subsequent rotary movement of the rotary knob 18 in a clockwise direction, so that the rotary movement of the rotary knob 18 is no longer hindered thereby becomes.
  • the contact of the rear lever arm 48 with the concentric section 60 causes the lever 40 pivoted relative to the disc 6 in the counterclockwise direction, and this pivoting, which is of no importance in the exemplary embodiment is partially reversed by sliding the front end of the front lever arm 46 along the area 63 as the knob 18 continues to rotate.
  • the rear end 80 of the rear lever arm 48 extends radially outward so that when the shooter tries to turn the rotary knob 18, it collides with the transition 62 of the guide curve 34 and thereby prevents a reverse rotation, as shown in FIG. 4.
  • the lever 40 pivots again in a counterclockwise direction relative to the disk 6, so that the front end of the front lever arm 46 reaches radially outwards and this ensures that the surface 71 of the front lever arm 46 abuts the section 59.
  • the lever 40 which for safety reasons has first been pivoted radially outwards with its front end, is moved radially inwards by the section 57 until the position shown in FIG. Is reached.
  • the concentric sections 52, 53 and 54 and / or the inner surface 32 ensure that the lever 40 cannot turn or can turn so far that it jams. This goal could also be achieved by another limitation of the pivoting angle of the lever 40.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Control Devices (AREA)
  • Sheet Holders (AREA)
  • Toys (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Transmission Devices (AREA)
EP86100879A 1985-02-01 1986-01-23 Betätigungsvorrichtung für die Durchladevorrichtung einer selbstladenden Handfeuerwaffe Expired EP0197245B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3503322 1985-02-01
DE19853503322 DE3503322A1 (de) 1985-02-01 1985-02-01 Betaetigungselement fuer eine durchladevorrichtung

Publications (2)

Publication Number Publication Date
EP0197245A1 EP0197245A1 (de) 1986-10-15
EP0197245B1 true EP0197245B1 (de) 1988-10-26

Family

ID=6261332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86100879A Expired EP0197245B1 (de) 1985-02-01 1986-01-23 Betätigungsvorrichtung für die Durchladevorrichtung einer selbstladenden Handfeuerwaffe

Country Status (6)

Country Link
US (1) US4671161A (enrdf_load_stackoverflow)
EP (1) EP0197245B1 (enrdf_load_stackoverflow)
CA (1) CA1264586A (enrdf_load_stackoverflow)
DE (1) DE3503322A1 (enrdf_load_stackoverflow)
NO (1) NO160742C (enrdf_load_stackoverflow)
PT (1) PT81952B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359319A (en) * 1990-08-13 1994-10-25 Minnesota Mining And Manufacturing Company Electrostatic discharge detector and display
US20100051502A1 (en) * 2008-09-04 2010-03-04 3M Innovative Properties Company Carrier having integral detection and measurement of environmental parameters
US8963552B2 (en) 2012-04-26 2015-02-24 3M Innovative Properties Company Electrostatic discharge event detector

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10092C (de) * G. W. oertel in Pegau, Sachsen Drehbares Verschlufsstück an selbstspannenden Gewehrschlössern
DE65980C (de) * W. D. FORBES, 1300 Hudson-Street, Hoboken, New-Jersey, V. St. A Mittels Handkurbel zu bethätigender Geradezug-Verschlufs für Hinterlade-Feuerwaffen
DE388974C (de) * 1918-07-20 1924-01-24 Johannes Sporleder Durchladevorrichtung fuer Maschinengewehre
US2104033A (en) * 1935-10-11 1938-01-04 Samuel G Green Bolt operating mechanism for machine guns
US2389737A (en) * 1942-12-31 1945-11-27 Neuschotz Robert Remote cable control
US2418906A (en) * 1944-05-01 1947-04-15 Gen Motors Corp Breech bolt retracting means
US2966830A (en) * 1958-01-09 1961-01-03 Mach Tool Works Oerlikon Cocking device for the breech mechanism of automatic firearms
US3386336A (en) * 1966-03-30 1968-06-04 Colt S Inc Convertible machine gun for rightand left-hand cartridge feed and operation
DE2522359C3 (de) * 1975-05-21 1979-08-09 Fa. Diehl Gmbh & Co, 8500 Nuernberg Gasdruckbetätigte Steuervorrichtung für eine Rohrfeuerwaffe mit einem schwenkbaren Patronenkammergehäuse

Also Published As

Publication number Publication date
PT81952B (pt) 1992-10-30
DE3503322C2 (enrdf_load_stackoverflow) 1987-08-13
EP0197245A1 (de) 1986-10-15
PT81952A (de) 1986-02-01
NO860278L (no) 1986-08-04
US4671161A (en) 1987-06-09
CA1264586A (en) 1990-01-23
DE3503322A1 (de) 1986-08-14
NO160742C (no) 1989-05-24
NO160742B (no) 1989-02-13

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