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51. 发明授权

US07832326B1 Auto-loading firearm with gas piston facility 有权
标题翻译：用气体活塞设备自动装载枪械
公开(公告)号：US07832326B1
公开(公告)日：2010-11-16
申请号：US11788224
申请日：2007-04-18
申请人： Christopher Gene Barrett
发明人： Christopher Gene Barrett
IPC分类号： F41A5/18
CPC分类号： F41A5/18
摘要： A firearm has a body with a bolt assembly reciprocating within the body. A barrel having a bore extends from the body. A gas block with an elongated chamber is connected to the barrel, and a gas passage connects the barrel bore to the gas block chamber. An operating rod has a forward end portion closely received in the gas block chamber and a rear end positioned to operably engage the bolt assembly. The gas block chamber has a forward portion closely receiving the forward end portion of the rod, and the gas block chamber has a rear portion with a profile larger than the forward portion. The forward portion of the rod may be a cylinder, and the rear portion of the gas block chamber may be fluted to provide clearance for flushing out contaminants. The rod may rotate freely to prevent accumulation of contaminants.
摘要翻译：枪支具有在身体内往复运动的螺栓组件的主体。具有孔的桶从主体延伸。具有细长室的气体块连接到筒体，气体通道将筒孔连接到气体阻挡室。操作杆具有紧密地容纳在气体阻挡室中的前端部分，以及定位成可操作地接合螺栓组件的后端。气体阻挡室具有紧密接收杆的前端部的前部，气体阻挡室具有比前部大的轮廓的后部。杆的前部可以是圆筒，并且气体阻挡室的后部可以是槽形的，以提供用于冲洗污染物的间隙。杆可以自由旋转以防止污染物积聚。

52. 发明申请

US20100251885A1 GAS SYSTEM FOR FIREARMS 有权
公开(公告)号：US20100251885A1
公开(公告)日：2010-10-07
申请号：US12818291
申请日：2010-06-18
申请人： Jeffrey W. Stone
发明人： Jeffrey W. Stone
IPC分类号： F41A5/18
CPC分类号： F41A5/26
摘要： A piston assembly is provided for a gas-operated firearm of the type having a chamber and a barrel. The piston assembly includes a gas expansion housing and a piston mounted within the gas expansion housing. An annular recess is formed in the outer wall of the piston to receive exhaust gases diverted from the barrel upon firing of the firearm. At least one longitudinally extending groove extends from the annual recess to the head of the piston and forms a pathway for diverting the exhaust gases to the head of the piston. During firing, pressurized gases are diverted into the annular recess and expand longitudinally from the annular recess to the piston head, whereupon the pressurized exhaust gas drives the gas piston rearwardly along the housing.

53. 发明申请

US20090223357A1 Gas piston assembly and bolt carrier for gas-operated firearms 有权
标题翻译：气体枪支气体活塞组件和螺栓支架
公开(公告)号：US20090223357A1
公开(公告)日：2009-09-10
申请号：US11700319
申请日：2007-01-30
申请人： Geoffrey A. Herring
发明人： Geoffrey A. Herring
IPC分类号： F41A5/18
CPC分类号： F41A5/18
摘要： A kit for modifying a bolt carrier group actuating apparatus of a firearm manufacturer-configured with a gas-driven bolt carrier comprises a gas expansion assembly, an operating rod driven bolt carrier and an operating rod. The gas expansion assembly is configured for receiving combustion gases from an as-manufactured OEM gas block of the firearm and for facilitating expansion of said gases for generating a bolt carrier driving force. The operating rod driven bolt carrier includes an operating rod engaging lug. The operating rod driven bolt carrier is configured for being operably engaged within an as-manufactured OEM receiver body of the firearm with the operating rod engaging lug located in a gas tube lug receiving portion of the as-manufactured OEM receiver body. The operating rod is engagable between the gas expansion assembly and the operating rod engaging lug.
摘要翻译：用于修改由气体驱动的螺栓承载器构成的枪械制造商的螺栓承载组致动装置的套件包括气体膨胀组件，操作杆从动螺栓托架和操作杆。气体膨胀组件构造成用于接收来自枪械的制造的OEM气体块的燃烧气体，并且用于促进所述气体的膨胀以产生螺栓承载器的驱动力。操作杆从动螺栓托架包括操作杆接合凸耳。操作杆从动螺栓托架构造成可操作地接合在枪械的制造的OEM接收器主体内，其中操作杆接合凸耳位于制造的OEM接收器主体的气体管接收部分中。操作杆可在气体膨胀组件和操作杆接合凸耳之间接合。

54. 发明授权

US07467581B2 Semi-automatic rifle 有权
标题翻译：半自动步枪
公开(公告)号：US07467581B2
公开(公告)日：2008-12-23
申请号：US11585221
申请日：2006-10-24
申请人： Alain Botty
发明人： Alain Botty
IPC分类号： F41A5/10 , F41A5/18
CPC分类号： F41A5/18 , F41A3/26
摘要： A semi-automatic rifle includes a frame (2); a barrel (3); a sliding guide (9) mounted in the frame (2) and forming one piece with breech bolts (10) which make it possible to control the recocking and the locking of the rifle (1); an automatic recock device (12) includes a piston (13) mounted in a gas cylinder (14) whose chamber (15) is connected to the bore (7) of the barrel (3) via a vent hole (16), whereby the piston (13) makes contact with the head of a sliding guide (17) which is connected to the sliding guide (9) and which is mounted in a sliding manner on a guiding rod (19) which forms one piece with the frame (2) and which is mainly parallel to the axis of the barrel (3). A floating mass (25) through which the guiding rod (19) passes is mounted in a sliding manner in the axial direction of the guiding rod (19) between two sides (27, 28) of a housing (24) in the head of the sliding guide (17) and a return spring (29) is mounted round the guiding rod (19) and situated between the frame (2) and the floating mass (25). The head of the sliding guide (17) is at least partially made of technical thermoplastic material.
摘要翻译：半自动步枪包括框架（2）; 一桶（3）; 安装在所述框架（2）中的滑动导向件（9），并且与所述步枪螺栓（10）形成一体，这使得可以控制所述步枪（1）的重新装配和锁定。自动重新配置装置（12）包括安装在气瓶（14）中的活塞（13），其中腔室（15）经由通气孔（16）连接到筒体（3）的孔（7），由此活塞（13）与滑动导向件（17）的头部接触，滑动导向件（17）与滑动导向件（9）连接并且滑动地安装在与框架（2）形成一体的导杆（19）上），并且其主要与筒（3）的轴线平行。引导杆（19）穿过的浮动质量块（25）在引导杆（19）的轴向方向上以滑动方式安装在引导杆（19）的头部中的壳体（24）的两侧（27,28）之间滑动引导件（17）和复位弹簧（29）围绕引导杆（19）安装并位于框架（2）和浮动块体（25）之间。滑动导向件（17）的头部至少部分地由技术性热塑性材料制成。

55. 发明授权

US07448307B1 Gas operated semi-automatic rifle 有权
标题翻译：气动半自动步枪
公开(公告)号：US07448307B1
公开(公告)日：2008-11-11
申请号：US11485735
申请日：2006-07-13
申请人： Vesselin Dafinov
发明人： Vesselin Dafinov
IPC分类号： F41A5/18
CPC分类号： F41A5/26
摘要： A gas operated semi-automatic rifle is disclosed having a forwardly moving gas piston located under the discharge end of a barrel. The gas piston is connected to a locking mechanism. The locking mechanism is engaged with a breechblock. As the gas piston moves a short distance forward after a round has been fired from the rifle, the locking mechanism moves rearward and disengages from the breechblock. The breechblock is biased rearward by being disengaged from the locking mechanism. The breechblock strips a new cartridge from a magazine, and reloads the rifle.
摘要翻译：公开了一种气体操作的半自动步枪，其具有位于筒的排放端下方的向前移动的气体活塞。气体活塞连接到锁定机构。锁定机构与后膛嵌合。当气枪从步枪射出一圈后，气体活塞向前移动一小段距离，锁定机构向后移动并与后膛脱离。后膛通过从锁定机构脱离而向后偏置。枪膛从杂志上取下一个新墨盒，然后重新装载步枪。

56. 发明授权

US6112636A Gas-operated pistol 失效
标题翻译：气手枪
公开(公告)号：US6112636A
公开(公告)日：2000-09-05
申请号：US180865
申请日：1998-11-23
申请人： Bernard Christian Besselink
发明人： Bernard Christian Besselink
IPC分类号： F41A5/04 , F41A5/18 , F41A5/00 , F41C3/00
CPC分类号： F41A5/04 , F41A5/18
摘要： A gas-operated pistol which comprises a frame having a handgrip and adapted to receive a magazine. A slide is mounted for alternating longitudinal movement along the frame. A barrel is provided which is able to pivot at its muzzle end and rotate upwards from a locking engagement via locking means with the frame to allow a cartridge to be removed. An actuating means rotates the barrel upwards after the high pressure period has passed. A cylinder is located above the barrel and communicates with the barrel bore via a passage. The action of propellant gases in the cylinder on the piston urges the slide rearwards. This arrangement reduces the effect of felt recoil on the firer when using very powerful cartridges.
摘要翻译： PCT No.PCT / AU98 / 00202 Sec。 371日期：1998年11月23日 102（e）1998年11月23日日期PCT 1998年3月25日PCT公布。出版物WO98 / 43034 日期1998年10月1日一种气体手枪，其包括具有手柄并适于接收杂志的框架。安装滑动件用于沿着框架交替的纵向运动。提供了一个桶，其能够在其枪口端部枢转并且通过锁定装置与框架从锁定接合向上旋转，以允许将药筒移除。致动装置在经过高压周期之后将筒向上旋转。圆筒位于筒体上方并经由通道与筒孔连通。推进剂气体在活塞上的活塞促使滑块向后移动。当使用非常强大的墨盒时，这种布置可以减少感觉反冲对火焰的影响。

57. 发明授权

US6019024A Compact operating system for automatic rifles 失效
标题翻译：紧凑型自动步枪操作系统
公开(公告)号：US6019024A
公开(公告)日：2000-02-01
申请号：US13101
申请日：1998-01-26
申请人： Alexander J. Robinson , Darin G. Nebeker
发明人： Alexander J. Robinson , Darin G. Nebeker
IPC分类号： F41A3/72 , F41A5/18 , F41A3/20
CPC分类号： F41A3/72 , F41A5/18
摘要： An operating system for automatic rifles is described which permits a user to easily remove and replace the bolt and bolt carrier from the rifle, without requiring the user to employ special tools. This invention permits the user to reconfigure the rifle to fire a wide range of different calibers of cartridges, as well as to reconfigure the rifle to feed ammunition from either the top or the bottom of the firearm. This invention further improves the reliability and decreases the manufacturing cost of the operating system by reducing the number of required components. This invention also provides an ergonomic, left hand sided, non-reciprocating cocking handle. The cocking handle assembly is provided with a slot cover which keeps debris from entering the interior of the rifle.
摘要翻译：描述了一种用于自动步枪的操作系统，其允许用户容易地从步枪中移除和更换螺栓和螺栓承载件，而不需要用户使用专用工具。本发明允许使用者重新配置步枪以对各种不同的卡盘进行射击，并且重新配置步枪以从枪械的顶部或底部提供弹药。本发明通过减少所需部件的数量进一步提高了可靠性并降低了操作系统的制造成本。本发明还提供了符合人体工程学的左手侧，非往复式起重手柄。起重手柄组件设有槽盖，其使碎片不能进入步枪内部。

58. 发明授权

US5177320A Staged gas system 失效
标题翻译：分期气体系统
公开(公告)号：US5177320A
公开(公告)日：1993-01-05
申请号：US581729
申请日：1990-09-12
申请人： George L. Reynolds
发明人： George L. Reynolds
IPC分类号： F41A5/18
CPC分类号： F41A5/18
摘要： As the primary mass is driven by gas trapped from the barrel of a weapon being fired, it unlocks the bolt and carries it rearward to start the cycling action to operate the weapon. Until the bolt is unlocked a smaller area of the primary mass is exposed to the gases and a larger area is used after the unlocking and the secondary mass is contacted.
摘要翻译：由于主要的质量是被从被发射的武器的桶中捕获的气体所驱动的，所以它解锁螺栓并将其向后运送以开始循环动作以操作武器。在螺栓解锁之前，初级质量体的较小面积暴露于气体，并且在解锁之后使用较大的面积并且二次体接触。

59. 发明授权

US4702146A Gas pressure adjusting device in gas-operated auto-loading firearm 失效
标题翻译：气体自动加载枪支气压调节装置
公开(公告)号：US4702146A
公开(公告)日：1987-10-27
申请号：US827351
申请日：1986-02-07
申请人： Kouhei Ikeda , Kozo Iwata , Hisayoshi Masaki
发明人： Kouhei Ikeda , Kozo Iwata , Hisayoshi Masaki
IPC分类号： F41A5/26 , F41A5/18 , F41A5/28 , F41A7/04 , F41D5/08
CPC分类号： F41A5/28
摘要： A gas pressure adjusting device in the gas-operated mechanism of a gas-operated autoloading shotgun is in the form of a valve assembly comprising essentially a valve seat encompassing a stepped valve opening consisting of adjacent opening parts of different diameters, a valve body having first and second pressure-receiving surfaces and first and second sliding contact surfaces respectively fitted slideably in the valve opening parts, and a spring urging the valve body toward and into closed state against the valve seat. This valve assembly operates with a double action wherein the gas pressure tapped from the barrel bore acts initially on only the first pressure-receiving surface of the valve body and, upon exceeding a predetermined pressure, moves the valve body past a point where it acts also on the second pressure-receiving surface thereby to be released into the outside air. Thus, a low gas pressure produced by a low-base load is not released and positively operates the breech bolt, while a high pressure produced by a high-base load is partly released to prevent excessive impact on moving parts of the shotgun.
摘要翻译：气体自动加载霰弹枪的气体操作机构中的气体压力调节装置是阀组件的形式，阀组件基本上包括阀座，该阀座包括由不同直径的相邻开口部分组成的阶梯式阀开口，阀体具有第一以及第二受压面和第一滑动接触表面和第二滑动接触表面，其分别可滑动地装配在阀开口部分中，弹簧将阀体朝向阀座朝向和关闭状态。该阀组件以双重作用操作，其中从筒孔开启的气体压力最初仅起作用在阀体的第一压力接收表面上，并且在超过预定压力时，使阀体移动到其作用点在第二压力接收表面上，从而被释放到外部空气中。因此，由低基础负荷产生的低气压不会被释放，并且对后膛螺栓进行积极的操作，同时部分释放由高基础负荷产生的高压，以防止对霰弹枪的移动部件造成过度的冲击。

60. 发明授权

US4505183A Gas actuated operating mechanism for autoloading firearm 失效
标题翻译：用于自动加载枪支的气动操作机构
公开(公告)号：US4505183A
公开(公告)日：1985-03-19
申请号：US446396
申请日：1982-12-02
申请人： William H. Grehl
发明人： William H. Grehl
IPC分类号： F41A5/18 , F41D5/04
CPC分类号： F41A5/18
摘要： A semiautomatic shotgun having a gas operating mechanism for unlocking a bolt and moving it from battery position. The operating mechanism includes an action bar and an inertia weight assembly which comprises a plurality of inertia elements. The inertia elements, the action bar and the bolt are arranged for movement relative to each other and impact at different times during the operating cycle. A return spring cooperates with the inertia weight assembly to maintain the various parts of the mechanism in fixed position relative to each other when the bolt is locked in battery.
摘要翻译：一种半自动霰弹枪，具有用于解锁螺栓并将其从电池位置移动的气体操作机构。操作机构包括动作杆和包括多个惯性元件的惯性重量组件。惯性元件，作用杆和螺栓被布置成相对于彼此运动并在操作循环期间的不同时间受到冲击。当螺栓锁定在电池中时，复位弹簧与惯性重量组件配合，以将机构的各个部分相对于彼此保持在固定位置。

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