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    • 4. 发明公开
    • Recoil system for weapons with a reciprocating breech block
    • 具有回放块的武器回收系统
    • EP0288244A3
    • 1989-06-07
    • EP88303514.9
    • 1988-04-19
    • Royster, John Lee
    • Royster, John Lee
    • F41D11/12
    • F41A3/82
    • A firearm, generally of the automatic or semi-automatic type, has a reciprocating breech block (44) normally biased into closed position by a primary recoil absorption system including a spring (100). A secondary spring-biased recoil absorption system (50, Figs 1 to 5; 50′, Figs 6 to 10; 50˝, Figs 11 to 14) is provided co-operating with the primary one during a portion of the retraction stroke of the block (44) to slow down the movement of the latter before becoming inactive while the primary system (100) slows the block to a stop and reverses its direction and then becoming active to once again co-operate with the primary system during a portion of the return stroke of the block (44) to speed up its return to its original position. A method for controlling the movement of the breech block in the aforementioned type of weapon during its firing cycle comprises supplementing and abetting such movement during its initial and final stages by a secondary spring-biased recoil absorption system (50, Figs 1 to 5; 50′, Figs 6 to 10; 50˝, Figs 11 to 14) co-operating with the primary one while, at the same time, leaving the primary system solely responsible during the remainder of the cycle to stop the block and reverse its direction.
    • 5. 发明公开
    • Recoil system for weapons with a reciprocating breech block
    • RückstossvorrichtungfürFeuerwaffen mit hin- und hergehendemVerschlussstück。
    • EP0288244A2
    • 1988-10-26
    • EP88303514.9
    • 1988-04-19
    • Royster, John Lee
    • Royster, John Lee
    • F41D11/12
    • F41A3/82
    • A firearm, generally of the automatic or semi-automatic type, has a reciprocating breech block (44) normally biased into closed position by a primary recoil absorption system including a spring (100). A secondary spring-biased recoil absorption system (50, Figs 1 to 5; 50′, Figs 6 to 10; 50˝, Figs 11 to 14) is provided co-operating with the primary one during a portion of the retraction stroke of the block (44) to slow down the movement of the latter before becoming inactive while the primary system (100) slows the block to a stop and reverses its direction and then becoming active to once again co-operate with the primary system during a portion of the return stroke of the block (44) to speed up its return to its original position. A method for controlling the movement of the breech block in the aforementioned type of weapon during its firing cycle comprises supplementing and abetting such movement during its initial and final stages by a secondary spring-biased recoil absorption system (50, Figs 1 to 5; 50′, Figs 6 to 10; 50˝, Figs 11 to 14) co-operating with the primary one while, at the same time, leaving the primary system solely responsible during the remainder of the cycle to stop the block and reverse its direction.
    • 通常为自动或半自动型枪械的枪械具有通过包括弹簧(100)的初级后坐吸收系统通常偏压到关闭位置的往复式后膛块(44)。 在第二弹簧偏压反冲吸收系统(50,图1至5; 50分钟,图6至10; 50秒,图11至14)中提供与初级回弹系统的回缩冲程的一部分 块(44)在变得无效之前减慢其运动,同时主系统(100)将块减慢停止并使其反转,然后在其一部分期间变得活跃以再次与主系统协作 块(44)的返回行程加速其返回其原始位置。 用于控制上述类型的武器在其击发周期期间的后膛块的运动的方法包括在初始和最后阶段通过辅助弹簧偏置反冲吸收系统(图1至5; 50中的50)来补充和教唆该运动 min,图6至10; 50秒,图11至14)与主要协同操作,同时在该循环的剩余时间期间离开主系统单独负责以停止块并使其方向反转。