EP0758737A1 - Méthode et dispositif de sécurité et d'armement d'une fusée et/ou d'un corps de munition mis à feu par voie mécanique - Google Patents

Méthode et dispositif de sécurité et d'armement d'une fusée et/ou d'un corps de munition mis à feu par voie mécanique Download PDF

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Publication number
EP0758737A1
EP0758737A1 EP96201987A EP96201987A EP0758737A1 EP 0758737 A1 EP0758737 A1 EP 0758737A1 EP 96201987 A EP96201987 A EP 96201987A EP 96201987 A EP96201987 A EP 96201987A EP 0758737 A1 EP0758737 A1 EP 0758737A1
Authority
EP
European Patent Office
Prior art keywords
slide
ignition
spring
firing pin
mass
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.)
Withdrawn
Application number
EP96201987A
Other languages
German (de)
English (en)
Inventor
Jörg Kutzli
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.)
SM Schweizerische Munitionsunternehmung AG
Original Assignee
Schweizerische Eidgenossenschaft
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 Schweizerische Eidgenossenschaft filed Critical Schweizerische Eidgenossenschaft
Publication of EP0758737A1 publication Critical patent/EP0758737A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F42C15/24—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia means
    • 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
    • F42C15/18—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved
    • F42C15/184—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a slidable carrier

Definitions

  • the present invention relates to a method according to the preamble of patent claim 1 and to an apparatus for carrying out the method according to claim 2.
  • the device according to claim 3 allows a very compact structure and results in high system security.
  • the device according to claim 6 is particularly space-saving and economical to manufacture.
  • a mounting hole according to claim 7 allows rational production.
  • the embodiment according to claim 8 takes advantage of the available space - especially in an ammunition body.
  • a simple path limitation in the axial direction can be realized by a hammer that is larger than the engagement shaft, for example a projectile trap.
  • the rotary slide valve according to claim 10 represents a kinematically favorable alternative to the flat slide valve described.
  • Fig. 1 indicates an ammunition body, for example a rifle grenade, which is to be initiated.
  • 2 denotes a hammer-like pulse source, which in the present example is the projectile trap of a rifle grenade.
  • An anvil-like engagement shaft 31 receives a mechanical pulse J from the pulse source 2, which acts on an ignition pin 33 mounted in a locking shaft 32.
  • the ignition pin 33 is mounted in an ignition channel 33 'and has an ignition tip 35 which is struck on a spherical locking element 57 by an ignition pin spring 34.
  • the locking element 57 is in turn inserted and stored in a cylindrical transverse bore 57 '.
  • a mass lock 52-56 Arranged parallel to the ignition channel 33 ' is a mass lock 52-56, which consists of a guide shaft 52, a bush with a locking flange 53 and a locking shaft 54 with an annular groove 55. The entire sleeve is pressed upwards by a locking spring 56 against a spacer ring 52 '; the guide shaft 52 is supported on both sides in the housing parts 41.
  • the two-part housing 41 encloses a guide block 40; these parts accommodate the mechanical components.
  • a slide 36 with a slide spring 39 is located in the upper housing part 41.
  • a guide surface 42 ′ can be seen on the slide 36, which is partially enclosed by the locking flange 53.
  • the ignition channel 33 ' in the slide 36, there is a pinhole 43 and above the slide another pinhole 43' in the housing 41, cf. following Fig. 4.
  • FIG. 1 is a representation of the sectional planes A - C - - A.
  • Fig. 2 is an illustration of half the section plane C - C.
  • the firing pin formed by the elements 31-35 is also half visible.
  • the spherical transmission element 51 can be seen here, which rests on the one hand on the locking shaft 32 and on the other hand on an unlocking cone 49.
  • the unlocking cone 49 merges into a retaining shaft 50 and an unlocking shaft 48, which in turn is limited by a stop flange 47.
  • a locking pin 44 is transferred into a locking bolt 46 which opens into the stop flange 47.
  • the underlying slide 36 has recesses 38, 38 'on the end face; the locking pin 44 rests on the recess 38, so that the spring-loaded slide 36 cannot move any further, it is locked.
  • the spiral spring 39 arranged on the left side is provided with an arrow which indicates the direction of movement of the slide 36.
  • a central mounting hole 30 is used to insert the locking element 57, Fig. 1; Concentric to this, the ignition tip 35 underneath is indicated.
  • a cylindrical anti-rotation device 58 is located in a recess 58 'and is used for simple assembly of the entire device in an ammunition body or in a corresponding tubular receiving part.
  • FIGS. 4 to 6 are representations after the arrival of a mechanical pulse J and after the device has been subjected to a longer phase of acceleration b is: This is the time of initiation of the ignition element 37 by the ignition tip 35.
  • FIGS. 4 and 5 here shows the slide 36 in its end position, the ignition channel 33 'being continued through the perforated panel 43 in the slide 36 and the further perforated panel 43' in the housing 41, FIGS. 4 and 5.
  • the device according to FIG. 7 a represents the secured state before a pulse J hits the engagement shaft 31.
  • the slide 36 loaded by the spring 39 is blocked by the left-hand mass lock 44-50 and at the same time by the right-hand side drawn mass lock 52-56.
  • the ignition element 37, as well as the pinhole 43 in the slide 36, have moved laterally out of the effective range of the ignition tip 35.
  • the firing pin spring 34 is minimally tensioned and lies against the conical firing tip 35.
  • the two mass locks 44-50 and 52-56 are extended to their end positions.
  • the slide spring 39 pushes the slide 36 to the right; at the same time, the spherical locking element 57 also deviates to the right and slides into the annular groove 55, so that the ignition tip 35, driven by the spring 34, strikes the ignition element 37 and initiates it.
  • the pinhole 43 is in this slide position in congruence with the pinhole 43 'in the housing 41, cf. Fig. 4.
  • the ignition chain behind it for example a rifle grenade, can be detonated.
  • the ignition element 37 is arranged in the slide 36, it can also be designed such that the ignition tip 35 can pass through it - for example through an enlarged pinhole 43 - and can trigger an impact ignition directly in an ignition chain.
  • the method according to the invention can also be applied in an analogous manner to rotary valves which are driven, for example, by a spiral spring and have cams in their periphery in which the mass locks engage or are moved out.
  • the subject of the invention is characterized above all by its large number of possible uses under the most varied of physical conditions. It can be inexpensively integrated into existing systems.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Automotive Seat Belt Assembly (AREA)
EP96201987A 1995-08-16 1996-07-15 Méthode et dispositif de sécurité et d'armement d'une fusée et/ou d'un corps de munition mis à feu par voie mécanique Withdrawn EP0758737A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2347/95 1995-08-16
CH234795 1995-08-16

Publications (1)

Publication Number Publication Date
EP0758737A1 true EP0758737A1 (fr) 1997-02-19

Family

ID=4231677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96201987A Withdrawn EP0758737A1 (fr) 1995-08-16 1996-07-15 Méthode et dispositif de sécurité et d'armement d'une fusée et/ou d'un corps de munition mis à feu par voie mécanique

Country Status (1)

Country Link
EP (1) EP0758737A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ305726B6 (cs) * 2001-07-16 2016-02-24 Rwm Schweiz Ag Zajišťovací a odjišťovací zařízení a jeho použití

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR40639E (fr) * 1929-02-18 1932-07-27 Anciens Ets Skoda Sécurité pour fusées
US2625881A (en) * 1949-08-03 1953-01-20 Rabinow Jacob Double element setback lock
FR1334437A (fr) * 1962-06-26 1963-08-09 Lacroix E Fusée de projectile à armement différé
GB1165754A (en) * 1965-10-25 1969-10-01 Bombrini Parodi Delfino Spa Mechanical Percussion Fuse for Rockets
FR2180159A5 (fr) * 1972-04-10 1973-11-23 Nathan Guy
DE3743536A1 (de) * 1987-12-22 1989-07-06 Diehl Gmbh & Co Zuender bei einem traegergeschoss

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR40639E (fr) * 1929-02-18 1932-07-27 Anciens Ets Skoda Sécurité pour fusées
US2625881A (en) * 1949-08-03 1953-01-20 Rabinow Jacob Double element setback lock
FR1334437A (fr) * 1962-06-26 1963-08-09 Lacroix E Fusée de projectile à armement différé
GB1165754A (en) * 1965-10-25 1969-10-01 Bombrini Parodi Delfino Spa Mechanical Percussion Fuse for Rockets
FR2180159A5 (fr) * 1972-04-10 1973-11-23 Nathan Guy
DE3743536A1 (de) * 1987-12-22 1989-07-06 Diehl Gmbh & Co Zuender bei einem traegergeschoss

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ305726B6 (cs) * 2001-07-16 2016-02-24 Rwm Schweiz Ag Zajišťovací a odjišťovací zařízení a jeho použití

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