EP1705454B1 - Grenade d'entraînement - Google Patents

Grenade d'entraînement Download PDF

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Publication number
EP1705454B1
EP1705454B1 EP06251303A EP06251303A EP1705454B1 EP 1705454 B1 EP1705454 B1 EP 1705454B1 EP 06251303 A EP06251303 A EP 06251303A EP 06251303 A EP06251303 A EP 06251303A EP 1705454 B1 EP1705454 B1 EP 1705454B1
Authority
EP
European Patent Office
Prior art keywords
toggle
grenade
training
firing pin
main body
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.)
Active
Application number
EP06251303A
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German (de)
English (en)
Other versions
EP1705454A1 (fr
Inventor
John William George Ellis
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.)
Individual
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Individual
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Publication date
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Publication of EP1705454A1 publication Critical patent/EP1705454A1/fr
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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

  • This invention relates to a training grenade, i.e. a re-usable grenade for use in the training of military and police recruits.
  • Training grenades are well known and typically include a pyrotechnic device operated by a lever with a time delay mechanism ensuring that there is a delay between the release of the lever and the explosion of the pyrotechnic device.
  • the pyrotechnic device usually consists of a small amount of the mixture used in operational grenades. Once used, the empty body of the grenade is discarded and such grenades are, therefore, expensive to use.
  • a blank-firing training grenade is described in British Patent Specification No. 2 280 249 .
  • This includes a removable cartridge chamber that can be used with adaptors to take blank cartridges of different sizes.
  • US Patent Specification No. 1,481,635 discloses a hand grenade that includes a main body, a cartridge chamber removably connected to the main body, a firing pin mechanism for actuating the cartridge and a toggle for operating the firing pin mechanism, the toggle being contained within the main body.
  • the hand grenade of US Specification No. 1,481,635 is, however, not re-usable and it is not a training grenade.
  • British Patent Specification No. 102 279 and Swiss Patent Specification No. 145 184 also disclose hand grenades, but these are also not re-usable and are not training grenades.
  • a training grenade that includes a main body, a cartridge chamber removably connected to the main body, a firing pin mechanism for actuating the cartridge and a toggle for operating the firing pin mechanism, characterised in that the toggle has a first end contained within the main body and a second end that projects from the main body, and that the first end of the toggle is connected to the firing pin mechanism by a ball and socket joint.
  • the firing pin mechanism is preferably acted on by a spring to bias it away from the cartridge chamber.
  • the arrangement is such that, when the grenade is thrown and falls on a hard surface, the grenade will be operated by impact with the hard surface in whatever position it falls.
  • the toggle is arranged so that, if the second end of the toggle strikes the hard surface, the toggle will be driven onto the firing pin and will thus fire the cartridge. If the end of the grenade opposite the toggle falls onto the hard surface, the inertia in the toggle will result in movement of the toggle and activation of the firing pin. If the grenade falls onto its side, the bending over of the toggle will produce activation of the firing pin.
  • a lever may be provided that includes a portion so formed as to shroud the toggle for safety and training use, the lever being held in engagement with the toggle by means of a ring-pin that is removable prior to throwing the grenade.
  • An ejection spring preferably acts between the lever and the toggle so as to urge the lever away from the toggle when the lever is released by pulling on the ring pin.
  • a clip may alternatively be provided for holding the toggle against movement relative to the main body of the grenade.
  • the training grenade includes a generally cylindrical main body 4 of iron or steel, suitably powder-coated to prevent corrosion thereof, and a removable cartridge chamber 5 that has threaded engagement in one end of the main body 4.
  • the removable cartridge chamber 5 is fitted with a blank cartridge (not shown) and, if the blank cartridge that is being used is relatively small, an adaptor (not shown) can be fitted in the cartridge chamber 5, as described in British Patent Specification No. 2 280 249 .
  • a metal toggle 7 is contained within the main body 4 and is held within a bore of the main body 4 by means of a cap 12 that has threaded engagement in the other end of the main body 4.
  • the toggle 7 has a ball and socket connection with a firing pin 8 that is acted on by a spring 9, so that the firing pin 8 is normally in the safe position shown in Figure 6 .
  • the toggle 7 can be prevented from movement out of its safe position by means of a lever 1 that is held releasably in engagement with the toggle 7 by means of a ring pin 3 that is received in a groove 10 in the toggle 7.
  • the end of the toggle 7 is received in a recess in the lever 1 so as to be shrouded by the lever 1.
  • a spring 2 acts between the base of the recess in the lever 1 and the end of the toggle 7.
  • a shoulder 13 is formed on the lever 1 and the arrangement is such that, in the storage position shown in Figure 2 , the ring of the ring-pin 3 fits over the shoulder 13 and is thus held against inadvertent movement relative to the lever 1.
  • the toggle 7 will continue to move relative to the main body 4 of the grenade as a result of its inertia and will again cause displacement of the firing pin 8 so that it is driven into the primer of the cartridge, producing an explosion.
  • the grenade will thus be operated by impact with the floor in whatever position it falls and, after use, the expired cartridge can be removed and replaced by a new cartridge ready for the next operation.
  • the method in which the training grenade is thrown and the weight thereof corresponds to the method of use and the weight of an actual hand grenade.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Toys (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Seal Device For Vehicle (AREA)
  • Window Of Vehicle (AREA)
  • Prostheses (AREA)

Claims (6)

  1. Grenade d'entraînement comportant un corps principal (4), une chambre de cartouche (5) connectée de manière amovible au corps principal (4), un mécanisme de goupille (8) pour actionner la cartouche et un inverseur (7) pour faire fonctionner la goupille (8), caractérisée en ce que l'inverseur (7) a une première extrémité contenue dans le corps principal (4) et une deuxième extrémité qui fait saillie depuis le corps principal (4), et en ce que la première extrémité de l'inverseur (7) est connectée à la goupille (8) par un joint à rotule.
  2. Grenade d'entraînement selon la revendication 1, dans laquelle la goupille (8) est activée par un ressort pour la pousser à l'écart de la chambre de cartouche (5), la grenade d'entraînement étant conçue de telle sorte que lorsque la grenade est jetée et tombe sur une surface dure, elle soit actionnée par l'impact avec la surface dure quelle que soit la position dans laquelle elle tombe, l'inverseur (7) étant arrangé de telle sorte que si la deuxième extrémité de l'inverseur (7) frappe la surface dure, l'inverseur (7) soit entraîné sur la goupille (8) et amorce la cartouche et si l'extrémité de la grenade à l'opposé de l'inverseur (7) tombe sur la surface dure, l'inertie dans l'inverseur (7) entraîne un mouvement de l'inverseur (7) et l'activation de la goupille (8), alors que si la grenade tombe sur le côté, la flexion de l'inverseur (7) produira l'activation de la goupille (8).
  3. Grenade d'entraînement selon l'une quelconque des revendications précédentes, qui comporte un levier (1) ayant une portion formée de telle sorte qu'elle enveloppe l'inverseur (7) pour des raisons de sécurité et pour la formation.
  4. Grenade d'entraînement selon la revendication 3, dans laquelle le levier (1) est maintenu en prise avec l'inverseur (7) au moyen d'une goupille annulaire (3) qui peut être enlevée avant de jeter la grenade.
  5. Grenade d'entraînement selon la revendication 4, dans laquelle un ressort d'éjection (2) agit entre le levier (1) et l'inverseur (7), de manière à pousser le levier (1) à l'écart de l'inverseur (7) lorsque le levier (1) est relâché en tirant sur la goupille annulaire (3).
  6. Grenade d'entraînement selon la revendication 1 ou 2, dans laquelle un clip (6) est prévu pour retenir l'inverseur (7) à l'encontre d'un mouvement par rapport au corps principal (4) de la grenade.
EP06251303A 2005-03-23 2006-03-11 Grenade d'entraînement Active EP1705454B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0505928.2A GB0505928D0 (en) 2005-03-23 2005-03-23 Training grenade

Publications (2)

Publication Number Publication Date
EP1705454A1 EP1705454A1 (fr) 2006-09-27
EP1705454B1 true EP1705454B1 (fr) 2010-04-14

Family

ID=34531707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06251303A Active EP1705454B1 (fr) 2005-03-23 2006-03-11 Grenade d'entraînement

Country Status (4)

Country Link
EP (1) EP1705454B1 (fr)
AT (1) ATE464533T1 (fr)
DE (1) DE602006013539D1 (fr)
GB (1) GB0505928D0 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011147541A1 (fr) * 2010-05-27 2011-12-01 Rheinmetall Waffe Munition Gmbh Réenclencheur de sûreté pour une amorce à levier basculant
WO2016203214A1 (fr) 2015-06-16 2016-12-22 Thomas Lowe Defence Dispositif incapacitant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2539421B (en) 2015-06-16 2021-06-09 Amtec Less Lethal Systems Inc Firing mechanism for a grenade, a grenade and a method of operating a grenade
EP3059544B1 (fr) * 2016-02-16 2018-02-14 John William George Ellis Grenades à main

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB102279A (en) 1916-01-15 1916-11-30 Hans Augustus Reincke Improvements in Percussion or Impact Grenades or the like.
US1481635A (en) 1922-06-22 1924-01-22 Secretary Of War Of The United Impact firing mechanism
FR592444A (fr) * 1924-12-23 1925-08-03 Nouveau moyen pour le lancement des grenades et dispositifs pour sa réalisation
CH145184A (fr) 1929-08-29 1931-02-15 Schwob Freres & Cie Sa Fusée percutante pour grenade à main.
US2358647A (en) * 1940-08-08 1944-09-19 Kula Wiktor Hand grenade
AT342463B (de) * 1976-02-11 1978-04-10 Herbert Mull Kunststoffverarbe Vorrichtung zur simulierung des zundvorganges bei ubungshandgrananten u.dgl. ubungsmunitionen
GB2280249B (en) 1993-07-23 1998-05-13 John William George Ellis Blank-firing hand grenade

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011147541A1 (fr) * 2010-05-27 2011-12-01 Rheinmetall Waffe Munition Gmbh Réenclencheur de sûreté pour une amorce à levier basculant
WO2016203214A1 (fr) 2015-06-16 2016-12-22 Thomas Lowe Defence Dispositif incapacitant

Also Published As

Publication number Publication date
GB0505928D0 (en) 2005-04-27
EP1705454A1 (fr) 2006-09-27
ATE464533T1 (de) 2010-04-15
DE602006013539D1 (de) 2010-05-27

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