Stun grenade having an adjustable switch mechanism to connect different effect chambers simultaneously to a delay set

Patent metadata

Field	Value
Publication number	US-11054231-B2
Application number	US-201916664234-A
Country	US
Kind code	B2
Filing date	Oct 25, 2019
Priority date	Apr 26, 2017
Publication date	Jul 6, 2021
Grant date	Jul 6, 2021

Abstract

A stun grenade for individual adjustment and situation-dependent adaptation of the number of active masses in situ. A switch mechanism is built into the stun grenade, enabling the simultaneous activation of different chambers inside the stun grenade in order to adjust the effect. The switch mechanism is formed by a tube and peripherally integrated boreholes and grooves. A different number of the chambers in the stun grenade is activated by the switch mechanism, thereby increasing or decreasing the active power.

First claim

What is claimed is:

1. A stun grenade comprising:
a detonator head;
a housing that receives the detonator head, the housing comprising chambers each having an effect charge therein and the chambers each having at least one breakthrough bore;
a rocker lever located on the detonator head;
a securing split pin to secure the rocker lever; and
a switch mechanism arranged in the housing which, via rotational adjustment, functionally connects different chambers substantially simultaneously to a delay set,
wherein the switch mechanism is a hollow cylindrical tube having the delay set disposed therein, the hollow cylindrical tube having radially extending bores and at least one spiral groove that is recessed in an exterior surface of the cylindrical hollow tube, and
wherein a first one of the bores is provided at a first end of the at least one spiral groove and a second one of the bores is provided at a second end of the at least one spiral groove, such that in an adjustment position of the switch mechanism, the at least one breakthrough bore of each of at least two of the chambers are fluidly connected together with the first one of the bores, the second one of the bores and the at least one spiral groove.

2. The stun grenade as claimed in claim 1 , wherein blowout openings are formed in the housing and are assigned to each of the chambers.

3. The stun grenade as claimed in claim 2 , wherein the blowout openings are incorporated circumferentially in the housing and/or in a cover or a base of the housing.

4. The stun grenade as claimed in claim 1 , wherein a safety mechanism is incorporated in an air gap formed between the detonator head and the housing.

5. The stun grenade as claimed in claim 4 , wherein the safety mechanism is configured as a plastic clip having a lug projecting laterally into the detonator head to cover a percussion cap in the detonator head.

6. The stun grenade as claimed in claim 4 , wherein a further safety mechanism in the form of a pressure piece is incorporated in the detonator head such that the securing split pin can only be drawn and the rocker lever released with the detonator head in a starting position.

7. The stun grenade as claimed in claim 1 , wherein the switch mechanism is centrally aligned in the housing between the chambers.

8. The stun grenade as claimed in claim 1 , wherein the switch mechanism is connected to the detonator head, such that the switch mechanism is rotatably adjustable by rotation of the detonator head.

Assignees

• Rheinmetall Waffe Munition Gmbh

Inventors

• Habel Frank
• Koschmieder Mathias

Classifications

• F42C19/0807

  characterised by the particular configuration of the transmission channels from the priming energy source to the charge to be ignited, e.g. multiple channels, nozzles, diaphragms or filters · CPC title

• F42B27/00 Primary

  Hand grenades (F42B12/00 takes precedence; for practice or training F42B8/12) · CPC title

• F42B12/42

  of illuminating type, e.g. carrying flares · CPC title

• F42B12/36

  for dispensing materials; for producing chemical or physical reaction; for signalling {; for transmitting information} · CPC title

• F42C15/34

  wherein the safety or arming action is effected by a blocking-member in the pyrotechnic or explosive train between primer and main charge (F42C15/18, F42C15/40 take precedence) · CPC title