EP3396301A1 - Grenade ainsi que procédé de fonctionnement d'une grenade - Google Patents

Grenade ainsi que procédé de fonctionnement d'une grenade Download PDF

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Publication number
EP3396301A1
EP3396301A1 EP18000308.9A EP18000308A EP3396301A1 EP 3396301 A1 EP3396301 A1 EP 3396301A1 EP 18000308 A EP18000308 A EP 18000308A EP 3396301 A1 EP3396301 A1 EP 3396301A1
Authority
EP
European Patent Office
Prior art keywords
firing pin
rocker arm
grenade
coupling
spring
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.)
Granted
Application number
EP18000308.9A
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German (de)
English (en)
Other versions
EP3396301B1 (fr
Inventor
Andreas Runck
Thorsten Kothe
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.)
Wescom Signal & Rescue Germany GmbH
Original Assignee
Wescom Signal & Rescue Germany GmbH
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Publication date
Application filed by Wescom Signal & Rescue Germany GmbH filed Critical Wescom Signal & Rescue Germany GmbH
Publication of EP3396301A1 publication Critical patent/EP3396301A1/fr
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Publication of EP3396301B1 publication Critical patent/EP3396301B1/fr
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B27/00—Hand grenades
    • F42B27/08—Hand grenades with handle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C14/00—Mechanical fuzes characterised by the ammunition class or type
    • F42C14/02—Mechanical fuzes characterised by the ammunition class or type for hand grenades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/20—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin

Definitions

  • the invention relates to a method for actuating a grenade according to the preamble of claim 1 and a hand-operated grenade according to the preamble of claim 5.
  • the grenades mentioned here may be those which have a charge for producing an optical and / or acoustic effect, for example a smoke grenade, or an explosive charge.
  • the charge is usually activated by an igniter which is actuated by a spring-loaded firing pin.
  • a lockable rocker arm of the firing pin is kept in its biased state until it is unlocked by releasing the rocker arm of the firing pin targeted.
  • the invention is based on the object to provide a hand-operated grenade and a method for manually actuating the same, wherein the biasing of the firing pin, its fixation and the release of the fixation simple, but nevertheless reliable, done.
  • a method for achieving this object comprises the measures of claim 1. Accordingly, the firing pin is tensioned only when needed. This is preferably done immediately before the intended firing of the grenade. From the rocker arm then the cocked firing pin is locked until the rocker arm is released. When releasing the rocker arm, preferably a clutch of the spring-biased firing pin is automatically released and the preloaded firing pin thereby automatically released, without the need for the rocker arm must be operated in any way. It is sufficient alone letting go of the rocker arm to release the coupling of the tensioned firing pin and / or to separate the parts of the clutch and thereby initiate the ignition of the grenade.
  • a hand-operated clamping means for example a rotary knob, a rotary flap or a handle, only immediately before the intended firing of the grenade.
  • a hand-operated clamping means for example a rotary knob, a rotary flap or a handle, only immediately before the intended firing of the grenade.
  • the clamping means it is possible to store the energy required to ignite the grenade in the firing pin by biasing at least one spring associated with it, if the firing of the grenade is intended.
  • the grenade becomes flammable just before the intended use.
  • at least the firing pin-containing ignition device is not yet ignitable when storing the grenade.
  • Another embodiment of the method provides, before and after the actuation of the clamping means, the rocker arm manually, preferably by hand, hold. As long as the rocker arm is held in place after the striker has been tensioned, the grenade will not fire. Only when the rocker arm is released after tensioning the firing pin does the ignition take place.
  • a hand-operated grenade for solving the above-mentioned problem has the features of claim 5. Accordingly, a holding the preloaded firing pin, in particular cohesive coupling is provided, which keeps closed the toggle until the intended ignition.
  • the coupling of the preloaded firing pin is fixed with the rocker arm until the grenade is to be fired. By releasing the rocker arm, the clutch is released, causing it preferably open automatically or can solve.
  • the firing pin, at least part of it, is released to initiate the firing process.
  • This design of the ignition of the grenade a constantly tensing firing pin is no longer necessary because of the clamping means of the firing pin at any time and / or when necessary is stretched and held in the tensioned state until the grenade is to be used.
  • the rocker arm is released for this purpose, the automatically opening and / or releasing coupling ensures reliable release of at least one prestressed part of the firing pin and reliable firing of the shell.
  • the preloaded striker or at least a portion thereof can be released, thereby activating the detonator.
  • it is provided to keep the clutch closed after tensioning the firing pin until the firing pin is released.
  • the clutch also serves to hold the cocked firing pin until it is to be triggered. The triggering of the tensioned firing pin is then done in a simple, yet reliable manner by automatically opening or separating the clutch after releasing the rocker arm.
  • An advantageous embodiment of the invention provides to form the firing pin divided.
  • the parts thereof are still connected by preferably the coupling, while they are separated to activate the igniter by the part of the firing pin to which the preloaded spring and / or a part of the coupling is directly impulses from the prestressed spring - And / or abruptly against the igniter, preferably a primer, is moved.
  • the releasable coupling is expediently arranged between the parts of the firing pin, between a main part and an extension part thereof, and / or formed by both.
  • the coupling is then used for temporary, preferably form-fitting, connecting the mutually facing ends of the two parts of the firing pin.
  • the hooking connection enables a positive coupling of the two parts of the coupling. To solve is only one part unhook the hooking connection from the other part of the hooking connection.
  • a part of the hooking connection is preferably fixedly assigned to one end of the divided firing pin, specifically to its main part and its extension part.
  • the coupling such that the parts of the clutch are held together in the closed sense, while releasing the rocker arm preferably without an active actuation thereof, the clutch is automatically releasable and / or divisible by the two, for example as Einhakitati trained parts or halves of the coupling by unhooking a part of the other part are releasable from each other.
  • the clutch is automatically unhooking the clutch, it is possible to separate or open them, without the need for the rocker arm must be actively operated.
  • the release of the rocker arm alone is enough to release the clutch and release the spring-biased main part of the striker with this associated half of the clutch for activating the igniter, preferably its primer, the grenade.
  • At least one coupling half preferably has at least one inclined sliding surface.
  • the automatic opening and disconnecting the clutch is automatically brought about as soon as the rocker arm has been released and thereby no longer holds the coupling halves together. It dissolves by sliding from the at least one oblique sliding surface automatically one coupling part from the other coupling part.
  • the main part of the prestressed firing pin is released from the extension part of the firing pin retained by the clamping device.
  • the tensioning means may be formed as a hand-operated knob or handle or a hand-operated cap.
  • the clamping means is formed by a knob or a rotary cap, whereby by axial rotation axial movement for tensioning the firing pin can be generated.
  • Such a clamping device can be easily formed and works reliably.
  • the clamping means can also serve to arreiteren the toggle lever with not yet tensioned firing pin in its initial or rest position preferably positive fit.
  • the rocker arm is held in unstretched firing pin in its home or rest position without the risk that he could move back and forth uncontrollably and thereby solve the grenade inadvertently.
  • an alternative embodiment possibility of the grenade provides that the main part of the firing pin on the extension part of the same is axially displaceable and until the triggering of the grenade, the spring-biased main part is detachably coupled by at least one coupling body on the extension part.
  • the at least one coupling body locks the spring-biased body of the extension part to the initiation of the firing of the grenade.
  • Such a releasable lock is very reliable.
  • the locking of the main part of the extension part is maintained by the at least one coupling body until initiation of the ignition by a spring-biased locking sleeve which surrounds the body at least partially and allows a relative displacement between the main body and the locking sleeve. If such a relative displacement, for example by a longitudinal movement of the spring-biased locking sleeve, the at least one coupling body, preferably a ball, cancel the locking of the main part of the extension part, whereby the spring-biased body pulse like a percussion of the ignition and thus ignite the grenade ,
  • the locking sleeve in particular the spring-biased locking sleeve, as long as held by the rocker arm lekssunverschie closing until the rocker arm is released to initiate the ignition process.
  • the ignition without the operation of any other means alone by releasing the rocker arm can be introduced selectively.
  • a further advantageous embodiment of the hand-operated grenade provides a rotary cap with preferably an outer ring, which holds the firing pin fixing rocker arm in its starting position.
  • the rotary cap releases the rocker arm.
  • the rocker arm is preferably held by hand before releasing, so that the ignition is initiated only when the rocker arm is released.
  • the rocker arm is then automatically pivoted by the spring force of the prestressed spring of the firing pin, whereby the spring-biased firing pin can initiate or trigger the ignition process.
  • Hand-operated grenades are fully illustrated. These grenades are hand-operated color smoke grenades. The color smoke grenades produce after their activation an optical signal, namely colored smoke, such as red or orange smoke.
  • All color smoke grenades shown in the figures have a cup-like container 11, in which at least one pyrotechnic charge 12 is arranged from a substance producing color smoke.
  • An upper end side of the container 11 has a central cup-shaped depression 13 with a central, preferably circular
  • the cup-like depression 13 in the upper end side of the container 11 serves to partially receive an ignition device 15.
  • the ignition device 15 protrudes through the opening 14 in the recess 13 in the at least partially filled by the charge 12 interior space 16 of the container 11.
  • Ein upper part of the ignition device 15 protrudes upward relative to the upper end wall of the container 11.
  • the ignition device 15 is preferably permanently connected with its central part with the recess 13 and thus also with the container 11.
  • the color smoke grenade of Fig. 1 to 9 has an ignition device 15, which has an igniter body 18, a cap-like retardation member 19 screwed onto the lower end of the igniter body 18, and a rocker arm receptacle 20 attached to an upper end region of the igniter body 18.
  • the igniter body 18, the delay member 19 and the rocker arm 20 are interconnected to form a base member of the igniter 15.
  • the screwed onto the lower end of the igniter body 18 delay member 19 includes at its pointing to the lower end of the igniter body 18 end a primer 21.
  • a deceleration set 22 and an ignition charge 23 are provided under the primer 21.
  • the delay set 22 and / or the ignition charge 23 may be omitted if necessary.
  • a firing pin 26 is longitudinally movable, in the embodiment shown axially movable up and down, is mounted.
  • a lower part of the central continuous channel 25 in the igniter body 18 has a cylindrical widening 27, wherein a spring or possibly also a plurality of springs is or are arranged, which is a compression spring 28 in the exemplary embodiment shown.
  • the compression spring 28 is housed and guided in the expansion 27 so that they can be squeezed together without constraint.
  • a shaft 29 of the firing pin 26 ( Fig. 8 ).
  • a larger support plate 30 At the free lower end of the shaft 29 is a larger support plate 30, on which a lower end of the compression spring 28 is supported. Centered below the support plate 30 is a downwardly projecting tip 31 or other increase.
  • the compression spring 28 and at least one spring assembly of several disc springs may be provided alternately oriented differently with preferably adding spring paths.
  • the firing pin 26 is split.
  • the firing pin 26 is formed of a lower main part 32 and an upper extension part 33.
  • On the lower main part 32 sits the compression spring 28.
  • the shaft 29 and the support plate 30 are also located on the main part 32 of the firing pin 26.
  • the main part 32 extends
  • the extension part 33 extends substantially approximately centrally through the Kipphebelage 20.
  • the extension member 33 is in the Kipphebelage 20 axially displaceable up and down movable, and indeed as the main part 32nd
  • the extension part 33 is also slightly laterally pivotable in the Kipphebelage 20.
  • the rotary cap 34 is placed from above on the protruding from the container 11 part of the Kipphebelage 20.
  • the rotary cap 34 is moved axially upwards relative to the rocker arm receptacle 20 or, if necessary, also moved down again by turning it back.
  • the extension member 33 of the rotary cap 34 is moved in the axial direction with, namely with the entrainment of the main part 32 of the firing pin 26 connected to the extension part 33. This results in the tensioning of the firing pin 26 by compressing and biasing the main part 32 of the firing pin 26 associated with and resting on the support plate 30.
  • the Kipphebelage 20 and a rocker arm 37 of the ignition device 15 is pivotally connected about a tangential, horizontal axis of rotation 31.
  • the axis of rotation 28 is located at a distance next to the extending through the Kipphebelage 20 extension portion 33 of the firing pin 26.
  • the axis of rotation 28 is located in a lateral radial slot 42 in the outboard of the container 11 located upper part of the Kipphebelage 20th
  • the rocker arm 37 is formed in the illustrated embodiment as an angle lever with a longer arm 39 and an integrally connected at 90 ° angled shorter arm 40.
  • the horizontal axis of rotation 38 extends, and with a small distance from a protruding nose 41 at the free end of the arm 40.
  • unactuated rocker arm 37 (FIG. Fig. 1 to 3 )
  • the shorter arm 40 extends horizontally radially beyond the upper end side of the container 11, whereas the longer arm 39 extends parallel to the longitudinal axis of the container 11, in such a way that it rests on the outside of the cylindrical jacket of the container 11 or is slightly spaced therefrom ( Fig. 1 ).
  • the main part 32 and the extension part 33 of the firing pin 26 are temporarily connected to each other. This connection is preferably positive.
  • the main part 32 and the extension part 33 of the firing pin 26 are releasably connected to each other in the illustrated embodiment.
  • the main part 32 and the extension part 33 are connected until the ignition device 15 is activated.
  • the connection of the main part 32 and the extension part 33 of the firing pin 26 takes place in the illustrated embodiment by a releasable coupling 43.
  • the two coupling halves 44 and 45 of this coupling 43 are fixed at the opposite, adjacent ends of the main part 32 and the extension part 33, preferably in one piece, arranged.
  • the coupling 43 and its coupling parts 44 and 45 are in the Fig. 6 to 8 shown in more detail. It shows the Fig. 8 the main part 32 and the extension part 33 of the firing pin 26 for activating the color smoke grenade 10 at separate coupling parts 44 and 45, so separate coupling 43.
  • the coupling part 44 at the lower end of the extension part 33 has a kind of housing 46, which in the embodiment shown from a formed on one side with a flattening 47 part cylindrical body is formed.
  • the flattening 47 extends parallel to the longitudinal central axis of this part-cylindrical body approximately in the vicinity of the longitudinal central axis, wherein the width of the housing 46, starting from the flattening something over half Diameter of the cylindrical basic shape of the housing 46 goes out.
  • the housing 46 Starting from the vertical flattening 47 is located in the housing 46 is an approximately rectangular recess 48, to which, that is to the main part 32, a central, vertical groove 49 connects, from the rectangular recess 48 through to the lower end of the housing 46 runs.
  • the lower wall of the recess 48 is chamfered to form two identical sliding surfaces 50 on both sides of the groove 49.
  • the sliding surfaces 50 extend opposite to horizontal at an angle of about 45 °, preferably 50 ° to 60 °.
  • the coupling part 45 at the upper free end of the main part 32 of the firing pin 26 is formed in the manner of a flattened symmetrical hammer head.
  • the shaft 29 of the firing pin 26 or a part of the same forming shaft of the main part 32 is followed by a narrow connecting portion 51 which is slightly narrower than the groove 49.
  • the coupling part 45 has a head broadening 52.
  • This head broadening 52 is somewhat narrower than the recess 48 in the housing 46 and has a thickness which is slightly smaller than the depth of the recess 48 in the coupling part 44. Due to the arranged over the connecting portion 51 head broadening 52, the coupling part 45 has a (from the front seen) T-shaped shape.
  • contact surfaces 53 lying on both sides next to the connecting section 51 are present under the projecting regions of the head broadening 52.
  • These support surfaces 53 extend horizontally and at right angles to the flattening 47 on the coupling part 44.
  • These bearing surfaces 53 correspond with the oblique sliding surfaces 50 on the underside of the recess 48 on the coupling part 44.
  • the bearing surfaces 53 may have the same slope as the sliding surfaces 50.
  • the method according to the invention provides for the firing pin 26 to be tensioned only before the color smoking grenade 10 is activated.
  • the rocker arm 37 by hand in the Fig. 1 to 3 shown position, so that the longer arm 39 of the rocker arm 37 abuts approximately laterally against the wall of the container 11.
  • the paint grenade 10 is ready for use, with the festooned rocker arm 37 of the firing pin 26 is still locked in the tensioned state.
  • the rocker arm 37 To activate the color smoke grenade 10 then only the rocker arm 37 needs to be released. Then, of the prestressed compression spring 28 of the firing pin 26, but preferably only its main part 32, of the prestressed compression spring 28 moves axially downward against the primer 21. In this case, the rocker arm 37 is pivoted about the axis of rotation 38 of the prestressed firing pin 26, thereby releasing the path of the firing pin 26 to the primer 21. As a result of the stored energy in the compression spring 28, the firing pin 26 is pulsed at high speed axially toward the primer 21 moves, the tip 31 under the support plate 30 of the firing pin 26 with such high energy hits the primer 21 that this is triggered and the delay set 22 of the ignition device 15 cheered.
  • Fig. 1 to 5 show the individual movements for tensioning the firing pin 26, whereby the color smoke grenade 10 is quasi “armed” to “ignite” the color smoke grenade 10 with the inventive ignition device 15 described above.
  • the Fig. 1 shows the entire color smoke grenade 10 and the Fig. 2 only the ignition device 15 of the color smoke grenade 10 in the initial or idle state.
  • the firing pin 26 is still not tensioned
  • the firing pin 26 is still in its lower starting position with not yet or not significantly compressed compression spring 28.
  • the rocker arm 37 needs in this starting position at Consequently, no cotter pin or circlip is not required for locking the rocker arm 37 in the paint smoke grenade 10 of the present invention
  • the rotary cap 34 can rest on the shorter, still horizontal arm 40 of the rocker arm 37.
  • the Fig. 3 shows the first stage of activation of the ignition device 15.
  • the rocker arm 37 is held by hand in its initial position with on the wall of the container 11 externally fitting long arm 39, in particular pressed against the outer wall of the container 11.
  • the tensioning means is actuated by the forming this turning cap 34 is rotated on the upper part of the Kipphebelage 20 by hand, wherein the rotary cap 34 in the in the Fig. 3 shown position relative to the upper part of the Kipphebelage 20 moves upward.
  • the firing pin 26 is stretched by the entire firing pin 26 is moved up to the main part 32 and the extension member 33 connected by the clutch 33 against the force of the compression spring 28.
  • the Fig. 4 By releasing the rocker arm 37 it is pivoted about the rotation axis 38 as shown in the figures in the clockwise direction, whereby the clutch 43 can be solved automatically. This is done by sliding the bearing surfaces 53 under the head widening 52 of the main part 32 of the coupling part 45 on the inclined sliding surfaces 50 of the coupling part 44 of the extension part 33. Thus, the head widening 52 of the coupling part 45 is moved out of the recess 48 in the housing 46 of the coupling part 44 by the lower end of the extension piece 33 of the firing pin 26 hanging on the rotary cap 34 is deflected laterally in the direction of the nose 41 at the end of the arm 40 of the rocker arm 37.
  • the main part 32 of the firing pin 26 is pulsed axially downwardly moves while the tip 31 under the support plate 30 of the main body 32 of the firing pin 26 beaten from above on the primer 21.
  • the primer 21 is activated or triggered and thus the ignition of the color smoke grenade 10 initiated.
  • the extension part 33 does not participate in this movement.
  • the rotary cap 34 holds this firmly, so that the extension part 33 does not move with the ignition of the color smoke grenade 10 with the axially moved from the compression spring 28 down main body 32 of the firing pin 26.
  • the color smoke grenade 54 of Fig. 9 to 14 Corresponds in principle to the previously described paint smoke grenade 10. Also in the paint grenade 54, the firing pin 55 is activated immediately before use, namely the ignition, by resilient biasing. In principle, the color smoke grenade 54 is constructed in the same way as the color smoke grenade 10. The bias of the firing pin 55 and the release of its coupling 56 for actuating the primer 21 is the same as in the color smoke grenade 10. The device according to the method corresponds in color smoke grenade 54 to the method previously described in connection of the color smoke grenade 10. Due to the significant matches, the same reference numerals are used for the same parts.
  • the main differences of the color smoke grenade 54 relative to the paint smoke grenade 10 consist in the differently formed coupling 56 for the successful ignition before connection of the two coupling parts, namely a main part 57 and an extension part 58, the firing pin 55 and the generation of the spring bias of the firing pin 55 of a package several, preferably the same disc springs 59.
  • six identical disc springs 59 are provided.
  • the coupling 56 of the firing pin 55 is formed by mutually corresponding coupling hooks 60 at the mutually facing ends of the extension part 58 on the one hand and the main part 57 on the other.
  • the coupling hooks 60 are the same, but differently oriented, so that they complement each other.
  • Each coupling hook 60 has a nose 61 located at its end and a groove 62 following in the longitudinal direction of the main part 57 and the extension part 58, respectively. Both the lugs 61 and the grooves 62 of both coupling hooks 60 are provided with the same profile, the nose 61 in the extension part 58 a groove 62 in the main part 57 fills and vice versa.
  • each coupling hook 60 has a slanted sliding surface 63, which is formed and obliquely directed, that the coupling 56 can solve automatically by sliding out of the lugs 61 from their associated grooves 62 of the main part 57 and the Extension part 58.
  • the clutch 56 is automatically released as soon as a required tilting movement of the extension part 58 is made possible relative to the main part 57 by the rocker arm 37.
  • the smoke grenade 54 also has an ignition device 15 with a rocker arm receptacle 20 in or on which the rocker arm 37 is mounted tiltable about a horizontal axis of rotation 38 extending transversely to the longitudinal center axis of the paint smoke grenade 54.
  • a rotary cap 34 is placed, which is rotatable relative to the Kipphebelage 20 and thereby performs a longitudinal displacement on the longitudinal center axis of the color smoke grenade 54 in the manner of a screw, which is directed away from the primer 21.
  • the rotary cap 34 has a downwardly open groove 64 which releases at the turning of the firing pin 55 twisted pivot cap 34 emanating from the axis of rotation 38 upper part of the rocker arm 37, so that it is no longer covered by the rotary cap 34 and thereby is pivotable about the rotation axis 38 when the firing pin 55 is tensioned ( Fig. 11 ).
  • rocker arm 37 Before the rocker arm 37 is released by rotating the rotary cap 34 by the groove 64 is brought into coincidence with the upper portion of the rocker arm 37, the rocker arm 37 must be held by hand to lock the biased firing pin 55 and hold the clutch 56 in its closed Position.
  • a nose-like projection 65 at the upper end of the rocker arm 37 is still laterally in the region of the coupling 56 on the extension part 58 of the firing pin 55, and indeed at such a location, which prevents an automatic opening of the clutch 56 while the rocker arm 37 is held.
  • the longitudinal center axis of the extension part 58 is moved out of the longitudinal center axis of the main part 57 of the firing pin 55, and the positive connection of the extension part 58 with the main part 57 is released by opening the coupling 56.
  • the main part 57 of the firing pin 55 is longitudinally pulse-shaped against the primer 21 "shot” and thereby the ignition of the color smoke grenade 54 done ( Fig. 12 and 14 ).
  • the 15 to 20 show a color smoke grenade 66, their ignition in the same manner as the previously described color smoke grenades by the method according to the invention is working.
  • a firing pin 67 of the color smoke grenade 66 is also spring biased just before the ignition.
  • the ignition device 15 of the color smoke grenade 66 has a rocker arm receptacle 68 with a transverse to the longitudinal center axis of the paint smoke grenade 66 extending horizontal axis of rotation 38 for the rocker arm 37.
  • a rotary cap 34 is placed, which rotatable relative to the Kipphebelage 68 and thereby on the longitudinal central axis is axially displaceable, in such a way that the distance to the primer 21 increases (see. Fig. 15 and 16 ).
  • the firing pin 67 is mounted so as to be displaceable axially on the longitudinal central axis of the paint smoke grenade 66.
  • the firing pin 67 is also divided into two parts by being composed of a main part 69 and an extension part 70 connected to the rotary cap 34 at its upper end. Both are connected by a releasable coupling 71 until the triggering of the ignition process of the color smoke grenade 66 form-fit with each other, preferably coupled to each other. This is done by at least one coupling body, which is formed in the embodiment shown by a ball 72. Optionally, a plurality, preferably the same balls 72 or other coupling body may be provided.
  • the length seen in the longitudinal direction of the extension part 70 is greater than the diameter of the ball 72, preferably between twice and four times the diameter of the ball 72.
  • the depth of the constriction 73 is less than the diameter of the ball 72, namely, about 20% to 50% of the diameter of the ball 72nd
  • the main part 69 of the firing pin 67 is cup-shaped with an annular sleeve portion 74 which is closed at the bottom, namely at its lower end face pointing to the primer 21, by a bottom 75. Under the bottom 75 is a preferably central Zündvorsprung 76.
  • a franking In the sleeve portion 74 is a franking, preferably a transverse through-hole 77 for receiving that larger part of the ball 72, in addition to the constriction 73 in the extension part 70 is located.
  • the through-hole 77 is slightly larger than the diameter of the ball 72.
  • the wall thickness of the sleeve portion 74 is selected so that the transverse extending through the same extending through hole 77 has a sufficient length for receiving the non-finding in the constriction 73 larger part of the ball 72 ,
  • the inner diameter of the sleeve portion 74 of the main part 69 of the firing pin 67 is dimensioned so that the sleeve portion 74 is freely movable telescopically displaceable in the longitudinal direction on the lower end of the extension part 30.
  • At least the cup-like main part 69 of the firing pin 67 is surrounded by a locking sleeve 79.
  • the locking sleeve 79 has a length that is at least as long as the length of the sleeve portion 74 of the main part 69 plus the path that the main part 69 travels to tension the firing pin 67.
  • the inner diameter of the locking sleeve 79 is stepped by the locking sleeve 79 has a larger inner diameter and thereby a circumferential widening 80 in the upper end region.
  • the depth of the expansion 80 and thus the inner diameter of the locking sleeve 79 in the region of the expansion 80 are dimensioned so that when the through hole 77 for the ball 72 is in the region of widening of the locking sleeve 79, the ball 72 completely in the region of expansion 80 of the locking sleeve 79 and the through hole 77 in the sleeve portion 74 of the main part 69 of the firing pin 67 can accommodate and thus the ball 72 is no longer immersed in the constriction 73 in the extension part 70 of the firing pin 67 ( Fig. 20 ).
  • the length of the widening 80 emanating from the annular upper end face of the locking sleeve 79 is dimensioned such that the ball 72 only reaches the area of the widening 80 for firing the color smoke grenade 66. Before the ignition, the ball 72 is still in the range of a matched to the outer diameter of the sleeve portion 74 of the main part 69 and compared to the inner diameter in the expansion 80 smaller inner diameter of the locking sleeve 79.
  • the ball 72 does not project outwardly from the through hole 77 in the sleeve portion 74, but inwardly, where the projecting part of the ball 72 receiving in the constriction 73 in the lower end of the extension part 70th of the firing pin 67 finds ( Fig. 19 ).
  • the constriction 73 at the lower end of the extension part 70 is longer than the diameter of the ball 72, a relative movement between the extension part 70 and the main part 69 can take place with the clutch 71 closed, without causing the ball 72 from the through hole 77 of the sleeve portion 74th of the main part 69 can reach into the widening 80 of the locking sleeve 79 and thereby the main part 69 could be solved by the extension part 70 of the firing pin 67 by opening the clutch 71.
  • the firing pin 67 and the locking sleeve 79 are resiliently biased by their own, separate springs toward the primer 21.
  • both springs are designed as compression springs 81 and 82.
  • the compression springs 82 and 82 have different diameters.
  • the smaller compression spring 81 is provided for biasing the firing pin 67.
  • the larger compression spring 82 of the locking sleeve 79 is assigned.
  • Both compression springs 81 and 82 are supported by an upper end wall 83 of the Kipphebelage 68.
  • the end wall 83 bounded at the top of a cylindrical receiving space 84 for the locking sleeve 79 in the Kipphebelage 68.
  • the locking sleeve 79 is axially displaceable, as well as the locking sleeve 79 partially surrounding the firing pin 67.
  • the end wall 83 has in the middle a through hole 85 for the passage of an upper end portion of the extension part 70 of the striker 67 on.
  • the upper end region of the extension part 70 can be guided to the rotary cap 34 and connected thereto. This connection is designed so that a relative rotation between the extension part 70 of the firing pin 67 and the rotary cap 34 is possible.
  • the large compression spring 62 is supported on the upper end face of the locking sleeve 79 ( Fig. 18 ).
  • the smaller diameter compression spring 81 is supported with its lower end on the upper end face 78 of the sleeve portion 74 of the main part 69 of the firing pin 67 from.
  • the locking sleeve 79 has an outer, circumferential diameter reduction 87 in the lower end region. In this engages in relation to the axis of rotation 38 inwardly in the direction of the longitudinal central axis projecting nose 88 of the rocker arm 37 a. As a result, the rocker arm 37 holds in its pivoted to the container 11 starting position Locking sleeve 79 in its biased by the compression spring 82 in the direction of the primer 21 initial position ( Fig. 15 and 16 ). In other words, the locking sleeve 79 can not be moved in the folded position of the rocker arm 37 to the container 11 due to their spring bias on the longitudinal center axis of the smoke grenade 66 in the direction of the primer 21.
  • the rocker arm 37 is in turn by the still in its lower starting position ( Fig. 15 ) secured against unintentional pivoting of the container 11 by a lower annular collar 89 of the rotary cap 34 on top of a short arm 90 of the rocker arm 37, through which the axis of rotation 38 extends abuts.
  • this short arm 90 is positively fixed or locked in an approximately horizontal position (FIG. Fig. 15 ).
  • the locking sleeve 79 associated compression spring 82 is resiliently biased, but not the firing pin 67 associated compression spring 81.
  • the main part 69 of the firing pin 67 associated and smaller diameter compression spring 81 is in the starting position of the rocker arm 37 and the rotary cap 34 is still in Essentially without bias, so relieved.
  • the rotary cap 34 is rotatably connected via an unspecified in the figures motion thread with an upper cylindrical extension of the Kipphebelage 68.
  • the movement thread is designed such that upon rotation of the rotary cap 34 on the upper cylindrical extension of the Kipphebelage 68, the rotary cap 34 is also moved on the longitudinal axis of the smoke grenade 66 and thereby moved away together with the attached firing pin 67 from the primer 21. The distance of the firing pin 67 to the primer 21 is increased by turning the rotary cap 34.
  • Fig. 21 to 24 show a fourth embodiment of a color smoke grenade 91. Again, the same reference numerals are used for the same parts of the color smoke grenades described above.
  • a one-piece firing pin 92 is provided without a coupling for temporarily coupling its parts.
  • the only firing pin 92 is axially, so on the longitudinal center axis of the smoke grenade 91 in a rotary cap 34 on a Kipphebelage 93 displaced, provided it is released by the pivotable rocker arm 37.
  • the pivotable around a horizontal, transverse to the longitudinal center axis of the smoke grenade 91 extending axis of rotation 38 rocker arm 37 holds until the firing of the Kipphebelage 93 with a relative to the axis of rotation 38 inwardly projecting nose 94 the firing pin 92 in its initial position ( Fig. 21 and 22 ).
  • the nose 94 is folded against the container 11 of the smoke grenade 91 folded state under an edge of a lower circular support plate 95 of the firing pin 92 at.
  • the firing pin 92 is thereby immovably lockable on the longitudinal center axis of the color smoke grenade 91 from located in the starting position hinged rocker arm 37.
  • the rotary cap 34 By turning the rotary cap 34 on an upper cylindrical extension 96 of the Kipphebelage 93, the rotary cap 34 axially on the longitudinal central axis of the container 11 herunterschraubbar, in such a way that their distance from the primer 21 is reduced.
  • the rocker arm 37 is held by the operator in the folded position on the container 11, so that during the screwing down of the rotary cap 34 of the firing pin 92 is held by the underlying nose 94 of the rocker arm 37 axially immovable.
  • the invention is also suitable for other shells, for example, shells emitting acoustic signals or explosive shells, in particular hand grenades.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Prostheses (AREA)
  • Tents Or Canopies (AREA)
  • Air Bags (AREA)
EP18000308.9A 2017-04-25 2018-03-28 Grenade ainsi que procédé de fonctionnement d'une grenade Active EP3396301B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017003971.2A DE102017003971A1 (de) 2017-04-25 2017-04-25 Granate sowie Verfahren zum Betätigen derselben

Publications (2)

Publication Number Publication Date
EP3396301A1 true EP3396301A1 (fr) 2018-10-31
EP3396301B1 EP3396301B1 (fr) 2021-07-21

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Application Number Title Priority Date Filing Date
EP18000308.9A Active EP3396301B1 (fr) 2017-04-25 2018-03-28 Grenade ainsi que procédé de fonctionnement d'une grenade

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EP (1) EP3396301B1 (fr)
DE (1) DE102017003971A1 (fr)
ES (1) ES2893876T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1762438U (de) * 1957-10-24 1958-02-27 Richard Rinker K G A A Zuendschnuranzuender mit schlagbolzen und zuendschnurhalter.
US2961962A (en) * 1945-01-19 1960-11-29 Leonard D Jackson Trip-wire flare
US3498223A (en) * 1967-06-30 1970-03-03 Forsvarets Fabriksverk Lever-controlled fuse for hand grenades
WO2016207250A1 (fr) * 2015-06-22 2016-12-29 Etienne Lacroix Tous Artifices S.A. Bouchon allumeur sans goupille pour grenade et grenade ainsi équipée

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE347180C (de) * 1920-12-23 1922-01-16 Johannes Krueger Handgranate
WO2002103279A1 (fr) * 2001-06-18 2002-12-27 Ruag Munition Detonateur pour grenade a main
US7536818B1 (en) * 2008-05-28 2009-05-26 The United States Of America As Represented By The Secretary Of The Navy Mechanical coupling arrangement between initiator and firing pins

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961962A (en) * 1945-01-19 1960-11-29 Leonard D Jackson Trip-wire flare
DE1762438U (de) * 1957-10-24 1958-02-27 Richard Rinker K G A A Zuendschnuranzuender mit schlagbolzen und zuendschnurhalter.
US3498223A (en) * 1967-06-30 1970-03-03 Forsvarets Fabriksverk Lever-controlled fuse for hand grenades
WO2016207250A1 (fr) * 2015-06-22 2016-12-29 Etienne Lacroix Tous Artifices S.A. Bouchon allumeur sans goupille pour grenade et grenade ainsi équipée

Also Published As

Publication number Publication date
ES2893876T3 (es) 2022-02-10
DE102017003971A1 (de) 2018-10-25
EP3396301B1 (fr) 2021-07-21

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