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    • 12. 发明授权
    • Gas cylinder for firearms
    • 气体气瓶用于火灾
    • US3810412A
    • 1974-05-14
    • US29459472
    • 1972-10-03
    • ZAMACOLA E
    • ZAMACOLA E
    • F41A7/04F41A5/00F41A5/26F41A9/01F41A9/38F41C3/00F41C7/00F41D5/10
    • F41A5/26
    • A gas cylinder for firearms includes a cylindrical hollow body fixed to the lower part of the barrel and loosely fixed to the tubular receiver or tubular magazine of the fire-arm. Such body is gas sealed as its bottom end with regard to the tubular magazine and has in its interior a piston which exactly fits into its inner surface and which can slide or be guided by the tubular magazine on being pushed or urged by the gasses which originate form a shot. The cylindrical body is interiorly stepped into two different diameters and the piston is loosely mounted on the tubular magazine and is prolonged, as a continuation of its adjustment area with the inner surface of the cylinder, into a coaxial tubular projections. Gas tight sealing of the cylindrical body or body of the gas cylinder is achieved with regard to the tubular magazine, by means of a joint or gland mounted on the smaller diameter part of such body which are held in place by a flexible washer or ring which fits on such coaxial projection of the piston.
    • 用于枪械的气瓶包括固定到枪管的下部并松散地固定到消防臂的管状接收器或管状仓的圆柱形中空体。 这种主体相对于管状储料器作为其底端被气体密封,并且在其内部具有精确地配合到其内表面中的活塞,并且可以由被引导或被源自气体的气体推动或引导的管状仓 形成一个镜头。 圆筒体内部分为两个不同的直径,活塞松动地安装在管状储料盒上,作为其与圆筒内表面的调整区域的延续,延伸成同轴的管状突起。 通过安装在这种主体的较小直径部分上的接头或压盖,通过一个柔性垫圈或环将其固定在适当的位置上,可以相对于管状储料盒来实现气瓶的圆柱体或主体的气密密封 适合于活塞的这种同轴突起。
    • 13. 发明授权
    • Feeder drive
    • 供应商驱动
    • US3766824A
    • 1973-10-23
    • US3766824D
    • 1971-12-10
    • GEN ELECTRIC
    • CHIABRANDY R
    • F41A9/51F41A9/01F41A9/30F41D9/02
    • F41A9/30
    • Machine gun feeder drive is provided with two oppositely driven pawls, each for driving a ratchet, which ratchet has the same number of teeth as the feeder sprocket, and which pawls have the midpoints of their respective strokes, with respect to the axis of the driven ratchet as viewed in a plane normal to said axis, separated by an angular distance equivalent to an odd number of half-tooth spaces of the driven ratchet. The aforementioned feature causes the drive mechanism to have the characteristic that it may be assembled at any initial position, and will, at the end of one complete cycle of the driving pawls, have been moved into properly synchronized position.
    • 机枪给料器驱动器设置有两个相对驱动的棘爪,每个棘爪用于驱动棘轮,该棘轮具有与进给链轮相同数量的齿,并且哪个棘爪具有相应的行程的中点,相对于被驱动的轴 在垂直于所述轴线的平面中观察到棘轮,其间隔相当于从动棘轮的奇数个半齿空间的角距离。 上述特征使得驱动机构具有其可以组装在任何初始位置的特性,并且将在驱动爪的一个完整循环结束时已经移动到正确同步的位置。