F - Mech Eng,Light,Heat,Weapons – 41 – B
Patent
F - Mech Eng,Light,Heat,Weapons
41
B
F41B 11/06 (2006.01) F41B 11/32 (2006.01) F42B 6/10 (2006.01)
Patent
CA 2169565
A cartridge has a case comprising a body (10) housed telescopically within a sleeve (14). The body encloses a main chamber (21) which contains gas under pressure, and a valve mechanism for venting gas from the chamber (21) into an expansion chamber (61). The pressure of the gas in the expansion chamber causes the body (10) to move rearwardly relative to the sleeve (14) to apply a force to the breech block of the weapon in which the cartridge is used, thereby to initiate the reloading cycle. Gas is vented from the expansion chamber to eject a projectile when a spigot (51) projecting from the body is withdrawn from an aperture (53) in the end wall of the sleeve.
Cartouche dont le corps (10) est logé de façon télescopique dans une gaine (14). Le corps entoure une chambre principale (21) contenant du gaz comprimé et un mécanisme de soupape permettant au gaz de s'échapper de la chambre principale (21) pour pénétrer dans une chambre d'expansion (61). La pression du gaz dans la chambre d'expansion provoque le recul du corps (10) par rapport à la gaine (14), ce qui applique une force sur la culasse de l'arme dans laquelle elle se trouve et active le cycle de rechargement. Le gaz est évacué de la chambre d'expansion afin d'éjecter un projectile lorsque l'ergot (51), qui dépasse du corps, est retiré d'une ouverture (53) située dans la paroi d'extrémité de la gaine.
Constania (international) Limited
Ridout & Maybee Llp
LandOfFree
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