WO1981000451A1 - Tete de fusee pour une fusee de grenade a main - Google Patents

Tete de fusee pour une fusee de grenade a main Download PDF

Info

Publication number
WO1981000451A1
WO1981000451A1 PCT/EP1980/000061 EP8000061W WO8100451A1 WO 1981000451 A1 WO1981000451 A1 WO 1981000451A1 EP 8000061 W EP8000061 W EP 8000061W WO 8100451 A1 WO8100451 A1 WO 8100451A1
Authority
WO
WIPO (PCT)
Prior art keywords
head
detonator
detonator head
safety
pull
Prior art date
Application number
PCT/EP1980/000061
Other languages
German (de)
English (en)
Inventor
H Assmann
Original Assignee
Oregon Ets Patentverwertung
H Assmann
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 Oregon Ets Patentverwertung, H Assmann filed Critical Oregon Ets Patentverwertung
Priority to AU62212/80A priority Critical patent/AU6221280A/en
Publication of WO1981000451A1 publication Critical patent/WO1981000451A1/fr
Priority to SG44/84A priority patent/SG4484G/en

Links

Classifications

    • 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

Definitions

  • the invention relates to a detonator head for a hand grenade detonator with a securing bracket which, in the secured position, in which it is held by a locking split pin having a pull-out ring, holds a striking piece of the detonating head and pivots with a hook-like curved holder on a supporting bolt of the detonating head. and is detachably mounted.
  • Such detonator heads are known in various designs (US Pat. No. 2,562,928; AT-PSen 253,987, 323,606, 347,298; DE-OS 20 31 940) and ensure adequate safety when operated properly.
  • the hand grenades are taken for throwing in such a way that the bow rests on the palm of the hand, so that the safety split pin extends essentially in the direction of movement of the second hand of the launcher engaging the retaining ring.
  • This position of the hand grenade is necessary so that the bracket remains in contact with the hand grenade body after the cotter pin has been pulled out and is not thrown off, as a result of which the grenade would be ignited prematurely. If operated improperly, however, it can happen that, without the hand grenade being thrown and the safety bracket falling off, the striking element overturns and the delay set is triggered.
  • the thrower can then believe that it is still secured, but this is not the case.
  • the detonation takes place after about four seconds while the hand grenade is still in the hand of the launcher.
  • Detonator heads are now generally made of plastic, but the safety bracket is made by pressing from a metal sheet. The two side cheeks of the safety bracket are in a secure position on the side walls of the detonator head.
  • the cotter pin with its free end, which is spread out, projects on one side with the eyelet for the retaining ring on the other side.
  • the free, protruding end of the split pin can be pushed back into the detonator head due to carelessness, dropping, etc., which eliminates the spread and, because the side plates of the retaining clip are very thin, a side plate loses its hold on the split pin. In white As a result, the cotter pin can of course very easily be pulled out completely.
  • the object of the invention is to eliminate at least the most important disadvantage mentioned first and to create a detonator head that is as safe as possible until the actual throw.
  • the hook-like holder of the safety bracket is thus performed according to the invention in a circular arc-shaped slot corresponding to its curvature between the support bolt and the guide surface.
  • the hook-like holder can no longer stand out radially from the supporting bolt, but rather can perform an exclusive rotary movement around it. It is also no longer free, since it is protected by the guide surface, so that bending due to external influences is impossible, as well as bending when the safety bracket is opened and closed several times within the opening angle up to the overturning of the impact piece, which may be the case with the "game "in the hand, consciously or out of nervousness of the inexperienced thrower.
  • the support pin is arranged on a central support web protruding from the detonator head, it is provided that the guide surface on both sides of the support web on lateral projections the support web is formed.
  • this embodiment also ensures the lateral protection of the hook-like holder, since the total width of the guide surface corresponds at least to the total width of the hook-like holder or preferably projects beyond it.
  • Another embodiment of the invention in which the support bolt and the detonator head have a common upper contact plane, provides that the upper boundary line of the guide surface lies in the top of the support web and is at a distance from the contact plane.
  • This embodiment therefore has a depression that extends over the entire width between the top sides of the detonator head and the carrying bolt.
  • the pull-out ring extends approximately perpendicularly to the safety split pin in the secured position, and at least one clamping device is arranged on the side of the igniter head.
  • the pull-out ring is approximately perpendicular to the pull-out direction of the safety pin and thus also perpendicular to the normal direction of return movement of the pull-out second hand of the launcher.
  • the pull-out ring which extends approximately forward from the thrower in the arrangement according to the invention, can be gripped and released very easily by the second hand. For the rotation by approx. 90 to the extended position, no gripping or unusual rotary movement of the hand is required. The release of the pull-out ring is also facilitated when the thrower is wearing gloves, which makes him clumsy from the start.
  • the invention further provides that at least one contact surface on the detonator head and / or along the circumferential line of the pulling ring is arranged on the area of the hand grenade body near the igniter head.
  • At least a three-point bearing is achieved.
  • more than one support cam can also be provided, and thus storage at more than three points can be achieved.
  • a further embodiment of the detonator head according to the invention which also eliminates the third disadvantage mentioned at the outset, is that at least on one side, preferably on both sides of the detonator head, forming a slot in the region of the push-through hole, a sleeve which extends the push-through hole is formed at a distance from the side wall of the detonator head is the width of the slot corresponds at least to the thickness of the side cheek of the securing bracket which engages in the secured position.
  • the sleeve or sleeves are easily produced in one operation with the igniter head.
  • the bore of the sleeve is widened like a funnel at the free end so that the splint end can be spread.
  • the second sleeve can serve as a sliding guide when pulling out the safety split pin so deeply, in order to avoid friction between the split pin and the safety clip and its tilting, or also as a support for the serve the pull-out ring receiving the split pin, so that a further insertion of the split pin, which could in turn cause the spread end to protrude from the other sleeve, is prevented, moreover, it is also possible to remove the split pin from one or the other from the other side.
  • FIG. 1 shows a hand grenade with a detonator head according to the invention
  • FIG. 2 to 5 different views of the igniter head of Fig. 1 in an enlarged view
  • Fig. 6 shows the safety bracket of Figure 1 in a front view.
  • Fig. 7 the upper part of the securing bracket in longitudinal section
  • Fig. 8 is a front view of another embodiment of the igniter head.
  • a detonator head 1 made of plastic has a securing bracket 2 which is attached to it and can be swiveled and ejected.
  • the securing bracket 2 is provided with a hook-like holder 3 which, in the exemplary embodiment in FIGS. 1 to 7, consists of two circular claws 15 which extend over an angular range of approximately 90 °.
  • the claws 15 engage under a support pin 9, which is arranged on a laterally projecting support web 6 (FIGS. 3 and 4) of the detonator head 1.
  • the support web 6 has a lateral projection 7 on both sides, which form a guide surface 5 for the hook-like holder 3.
  • the guide surface 5 follows the curvature of the claws 15 of the hook-like holder 3 and therefore rests on its side 4 (FIG. 7) facing away from the supporting pin 9.
  • a guide slot for the claws 15 thus remains between the projections 7 and the carrying bolt 9, which on the one hand prevents the safety catch from being lifted radially and on the other hand also prevents the claws 15 from bending.
  • the hook-like holder 3 does not protrude beyond the edges of the detonator head 1 on any side, so that external influences remain on the shape of the hook-like holder 3 without disadvantageous consequences.
  • the upper boundary line 10 of the guide surface 5 is at a distance a from a contact plane 8, in which the top of the detonator head 1 and the carrying bolt 9 is located. Since the boundary line 10 also lies in the top of the support web 6, a depression 11 is formed which extends over the entire width of the igniter head 1.
  • the end region of the securing bracket 2 carrying the hook-like holder 3 can therefore have a bend 16 (FIGS. 6 and 7) which projects into the recess 11, which likewise contributes significantly to its stiffening.
  • the length of the hook-like holder 3 or the claws 15 is therefore necessary Extent limited.
  • the detonator head 1 is further provided on at least one side wall 26 with a clamping device 12 in the form of two clamping jaws. Between the two jaws, the pull-out ring 19 of a locking pin 20 is fixed, which is inserted into a push-through hole 13.
  • the lateral fixing of the pull-out ring 19 enables the pull-out ring to be loosened following the normal movement sequence and immediately afterwards to pull out the safety pin 20 from the push-through hole 13 without requiring an unusual hand movement. If the safety bracket 2 faces the inner surface of a hand, when the pull-out ring 19 is loosened, it is rotated by approximately 90 in the pull-out direction.
  • the clamping device 12 and the push-through hole 13 lie approximately diametrically opposite one another with respect to the pull-out ring 19.
  • the pull-out ring 19 is further arranged so that its upper edge does not protrude upward beyond the contact plane 8. This avoids unintentional loosening of the pull-out ring 19 by branches or twigs in the field.
  • Another advantage of this embodiment is that the hand grenades can be carried in the previously used munition boxes, which under certain circumstances can no longer be closed with a pull-out ring 19 projecting upwards.
  • support surfaces 15 are formed, on which the pull-out ring 19 rests in a fixed position. This results in three-point storage, which is particularly advantageous if the hand grenade accidentally falls to the floor, since in this case a lever effect and an at least partial pulling out of the safety pin 20 is prevented.
  • two contact surfaces 14 are available. The desired effect can also be achieved with one or more than two contact surfaces 14.
  • the shape of the contact surfaces 14 there are various design options. If necessary, the support surfaces (or one of the support surfaces 14) can also be designed as a clamping device analogous to the clamping device 12 or have such a clamping device.
  • a sleeve 24, 25 is formed on the lower part of the detonator head 1 to form a slot 22 at a distance from the side walls 26 of the upper part of the detonator head 1.
  • the sleeves 24, 25 each have a bore in the extension of the push-through hole 13 of the igniter head 1, through which the safety pin 20 runs in a secured position.
  • the safety bracket 2 can also be inserted into the slots 22 with its respective side holes 21, so that the width of the slots 22 corresponds at least to the thickness of the engaging side cheeks 21 of the safety bracket 2, which pivots on the support pin 9 of the detonator head 1 is detachably mounted.
  • the clamping device 12 and the contact surfaces 14 are formed only on this side.
  • the sleeve 24 therefore only serves as a pull-out guide for the safety pin 20 and for supporting the eye of the safety pin 20 and therefore has a cylindrical bore.
  • the sleeve 25 can also be provided with a funnel-like widening of its bore, in which the ends of the securing split pin 20 can be expanded without protruding therefrom.
  • the sleeve 24 can also be of the same design.
  • the depth of the slots 22 is of course such that the side cheeks 21 of the securing bracket 2 can be inserted so far that their bores with the through hole 13 are cursed.
  • a second embodiment of the fuse head according to the invention is shown in front view.
  • the hook-like holder consists of only a central claw-like extension of the safety bracket 2, which engages around the support pin 9.
  • the support pin 9 is arranged on two lateral support webs 18 and the guide surface 5 between the two support webs 18 is formed in the middle.
  • the rest of the configuration is the same as that of the exemplary embodiment according to FIGS. 1 to 7.
  • a depression 11 is provided, into which the fold 16 of the securing bracket 2 projects.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Lowering Means (AREA)

Abstract

Afin d'augmenter la securite du lanceur entre le retrait de la goupille de securite (20) et le jet de la grenade a main, la tete de fusee (1) est munie d'une surface (5) assurant le guidage de la partie (3) en forme de crochet qui entoure un boulon de support (9) et maintient en place l'etrier de securite (2), cette surface de guidage etant adaptee a la courbure de la partie de maintien (3) et reposant sur son cote oppose (4) au boulon de support (9). De plus, au moins un dispositif de pincement (12) ainsi que de preference aussi au moins une surface d'appui (14) pour l'anneau de retrait (19) de la goupille de securite (20) sont disposes sur une paroi laterale (26) de la tete de fusee (1), de maniere a realiser un appui en trois points. Les deux Joues laterales (21) de l'etrier de securite (2) penetrent, dans la zone de la goupille de securite (20), a l'interieur de deux rainures (22) menagees dans la tete de fusee (1) chacune entre une paroi laterale (26) et une douille (24, 25).
PCT/EP1980/000061 1979-07-31 1980-07-17 Tete de fusee pour une fusee de grenade a main WO1981000451A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU62212/80A AU6221280A (en) 1979-07-31 1980-07-17 Fuse head for a hand grenade fuse
SG44/84A SG4484G (en) 1979-07-31 1984-01-17 Fuse head for a hand grenade fuse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0524779A AT364285B (de) 1979-07-31 1979-07-31 Handgranatenzuender
AT5247/79 1979-07-31

Publications (1)

Publication Number Publication Date
WO1981000451A1 true WO1981000451A1 (fr) 1981-02-19

Family

ID=3573616

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1980/000061 WO1981000451A1 (fr) 1979-07-31 1980-07-17 Tete de fusee pour une fusee de grenade a main

Country Status (10)

Country Link
EP (1) EP0034151A1 (fr)
AT (1) AT364285B (fr)
BE (1) BE884541A (fr)
GB (1) GB2070208B (fr)
GR (1) GR68793B (fr)
MY (1) MY8400328A (fr)
PH (1) PH21193A (fr)
SG (1) SG4484G (fr)
WO (1) WO1981000451A1 (fr)
ZA (1) ZA804433B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886288A (en) * 1997-11-28 1999-03-23 Brunn; Michael Hand grenade safety pin

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR776085A (fr) * 1934-06-26 1935-01-16 Acec Perfectionnements aux bouchons allumeurs automatiques pour grenades
DE1010422B (de) * 1954-06-30 1957-06-13 Karl Henrik Sunden Schlaghahnzuender fuer Handgranaten
US2872866A (en) * 1954-09-22 1959-02-10 Julius L Brown Grenade fuze
DE1268524B (de) * 1966-03-04 1968-05-16 Diehl Fa Elektrischer Munitionszuender, insbesondere fuer Handgranaten
BE741770A (fr) * 1969-11-17 1970-05-04
FR2354535A2 (fr) * 1976-06-08 1978-01-06 Ruggieri Ets Bouchon allumeur a retard pour engins pyrotechniques
DE2839422A1 (de) * 1977-09-15 1979-04-05 Oregon Ets Patentverwertung Sicherungsvorrichtung fuer handgranatenzuender
AT353654B (de) * 1978-07-05 1979-11-26 Oregon Ets Patentverwertung Zuenderkopf fuer handgranaten

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR776085A (fr) * 1934-06-26 1935-01-16 Acec Perfectionnements aux bouchons allumeurs automatiques pour grenades
DE1010422B (de) * 1954-06-30 1957-06-13 Karl Henrik Sunden Schlaghahnzuender fuer Handgranaten
US2872866A (en) * 1954-09-22 1959-02-10 Julius L Brown Grenade fuze
DE1268524B (de) * 1966-03-04 1968-05-16 Diehl Fa Elektrischer Munitionszuender, insbesondere fuer Handgranaten
BE741770A (fr) * 1969-11-17 1970-05-04
FR2354535A2 (fr) * 1976-06-08 1978-01-06 Ruggieri Ets Bouchon allumeur a retard pour engins pyrotechniques
DE2839422A1 (de) * 1977-09-15 1979-04-05 Oregon Ets Patentverwertung Sicherungsvorrichtung fuer handgranatenzuender
AT353654B (de) * 1978-07-05 1979-11-26 Oregon Ets Patentverwertung Zuenderkopf fuer handgranaten
NL7905228A (nl) * 1978-07-05 1980-01-08 Oregon Ets Patentverwertung Ontstekingskop voor handgranaten.
DE2925377A1 (de) * 1978-07-05 1980-01-17 Oregon Ets Patentverwertung Zuenderkopf fuer handgranaten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886288A (en) * 1997-11-28 1999-03-23 Brunn; Michael Hand grenade safety pin

Also Published As

Publication number Publication date
GB2070208A (en) 1981-09-03
EP0034151A1 (fr) 1981-08-26
BE884541A (nl) 1981-01-30
SG4484G (en) 1985-02-15
ATA524779A (de) 1981-02-15
PH21193A (en) 1987-08-19
GR68793B (fr) 1982-02-18
ZA804433B (en) 1981-08-26
MY8400328A (en) 1984-12-31
AT364285B (de) 1981-10-12
GB2070208B (en) 1982-12-22

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