F - Mech Eng,Light,Heat,Weapons – 41 – A
Patent
F - Mech Eng,Light,Heat,Weapons
41
A
F41A 15/20 (2006.01) F41A 19/26 (2006.01)
Patent
CA 2564690
The invention relates to an arrangement consisting of a breech-block (1, 45) and of a projectile (13), which surrounds the propellant charge and priming charge (19, 21) and which is lengthened at the rear by a powder holding space having an essentially circular cylindrical wall (17), which is made of projectile material or of projectile casing material, projects to the back (drawn-in edge (29)), is slightly drawn inward toward the central axis of the projectile, and when fired, is in close contact with the breech face (3) of the breech-block (1, 45). The invention is characterized in that the breech- block (1, 45) has an annular groove (5), which is relief cut with regard to the direction of fire and which is centered with regard to the axis of the bore. The rear drawn-in edge (29) of the projectile (13), during reloading, rests against the edge of said annular groove, and when the breech-block (1, 45) is completely closed, the edge (29), while deforming, is pressed into the annular groove in such a manner that when the breech-block (1, 45) is pulled back, the projectile (13), as long as it is has not been fired beforehand, is extracted together therewith.
L'invention concerne un dispositif comprenant un bloc-culasse (1, 45) et un projectile (13) entourant la charge propulsive et la charge d'amorçage (19, 21), qui est prolongé, vers l'arrière, par un compartiment récepteur de poudre présentant une paroi sensiblement cylindrique (17) en un matériau du bloc-culasse ou en un matériau du revêtement du bloc-culasse, faisant saillie vers l'arrière (bord rentrant (29)) qui est légèrement tirée intérieurement, en direction de l'axe du projectile et qui, lors du tir, est en contact étroit avec la base de choc (3) du bloc-culasse (1, 45), dispositif caractérisé en ce que le bloc-culasse (1, 45) présente une gorge annulaire (5) centrée sur l'axe de l'âme, à contre-dépouille par rapport à la direction du tir, sur le bord de laquelle le bord rentrant arrière (29) du projectile (13) repose, lors du rechargement, et dans laquelle le bord (29), lors de la fermeture complète du bloc-culasse (1, 41), est compressé avec déformation, de telle façon que lors du retrait dudit bloc-culasse (1, 45), le projectile (13), aussi longtemps qu'il n'a pas été tiré, est extrait avec celui-ci.
Heckler & Koch Gmbh
Ridout & Maybee Llp
LandOfFree
Arrangement consisting of a breech mechanism and a... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Arrangement consisting of a breech mechanism and a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Arrangement consisting of a breech mechanism and a... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1498141