F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 10/26 (2006.01) F42B 10/04 (2006.01)
Patent
CA 2145170
A cylindrical device (20) connecting to the nose of a projectile (22) for imparting spin to the projectile fired from a non-rifled bore of a cannon. The device has at least two coaxial, adjacent, and integrally connected segments of different diameter (32 and 34). The segment (32) having the larger diameter is positioned most rearwardly of the projectile, relative to the nose of the projectile, and the periphery of this segment has circumferentially spaced angled slots (34) for catching air moving past the projectile to spin the projectile. The segment with the smaller diameter (34) attaches the cylindrical device (20) to the aft end of the nose of the projectile (22) and directs the flow of air to and through the angled slots (38) of the segment having the larger diameter (32).
Dispositif cylindrique (20) pour montage sur la pointe d'un projectile et destiné à communiquer un mouvement rotatif à un projectile provenant d'une âme de canon sans rayures. Le dispositif comporte au moins deux segments coaxiaux de diamètres différents (32 et 34) intégralement reliés l'un à l'autre. Le segment (32) ayant le plus grand diamètre est positionné vers l'arrière de la pointe du projectile; ce segment comporte une série de fentes inclinées et régulièrement espacées (38) à sa périphérie, dont le rôle est d'utiliser la résistance de l'air pour communiquer un mouvement de rotation au projectile. Le segment ayant le plus petit diamètre (34) sert à fixer le dispositif sur la pointe du projectile (22) et dirige le flux d'air vers les fentes inclinées (38) à la périphérie du segment de grand diamètre (32).
Farina Anthony
Gilman Stewart
Mccarthy Tetrault Llp
United States Of America (the)
LandOfFree
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