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    • 2. 发明授权
    • Method and apparatus for an action system for a firearm
    • 枪支行动系统的方法和装置
    • US07770507B1
    • 2010-08-10
    • US11505689
    • 2006-08-17
    • Jeffrey HajjarWarren Stockton
    • Jeffrey HajjarWarren Stockton
    • F41A3/44
    • F41A3/46
    • A method and apparatus providing an action system for a semi-automatic shotgun including a receiver having an ejection port for expelling an empty cartridge of a fired projectile. The action system includes a bolt attached to a bolt carrier, wherein the bolt and the bolt carrier are movable within the receiver and substantially parallel to a longitudinal axis. A surface is attached to at least the bolt carrier or the receiver, and a roller is positioned rearward of the ejection port and proximate the surface, wherein a resistance is provided to rearward movement of at least the bolt or bolt carrier.
    • 提供一种用于半自动霰弹枪的动作系统的方法和装置,包括具有用于排出燃烧的射弹的空盒的弹出口的接收器。 动作系统包括附接到螺栓托架的螺栓,其中螺栓和螺栓承载件可在接收器内移动并基本上平行于纵向轴线。 表面至少连接到螺栓载体或接收器,并且辊位于喷射口的后方并且靠近表面,其中阻力被提供给至少螺栓或螺栓载体的向后运动。
    • 7. 发明授权
    • Breechblock for an automatic firing weapon
    • Breechblock为自动射击武器
    • US4135434A
    • 1979-01-23
    • US846913
    • 1977-10-31
    • Ernst HurlemannWerner Bosshard
    • Ernst HurlemannWerner Bosshard
    • F41A3/12F41A3/40F41A3/46F41D11/06
    • F41A3/40F41A3/46
    • A breechblock for an automatic firing weapon comprising a breechblock housing containing a breechblock head displaceable in the breechblock housing. There is also provided at least one movable blocking body by means of which the breechblock head can be locked in a firing position with the breechblock housing. A spring-loaded control element is arranged to be displaceable in the breechblock housing, this control element containing a control surface by means of which there can be positionally adjusted the blocking or locking body. In the breechblock head there is arranged a locking bolt which can be shifted into a recess of the control element. By means of the locking bolt the breechblock head, which is unlocked from the breechblock housing, can be coupled with the control element, and play is present between the control surface and the blocking body and by means of which, prior to reaching the firing position of the breechblock head, there is uncoupled the control element.
    • 一种用于自动射击武器的枪膛,包括一个膛形外壳,该膛形外壳包含可在后膛锁壳体中移动的后膛头。 还设置有至少一个可移动的阻挡体,通过该移动阻挡体,后膛头可以与枪闩壳体锁定在击发位置。 弹簧加载的控制元件布置成可在后膛块壳体中移动,该控制元件包含控制表面,通过该控制表面可以对阻塞或锁定体进行位置调节。 在后膛头中设置有可以移动到控制元件的凹部中的锁定螺栓。 通过锁定螺栓,从枪闩壳体解锁的后膛头可以与控制元件联接,并且游隙存在于控制表面和阻挡体之间,并且在到达击发位置之前 的臀部头部,分离控制元件。