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公开(公告)号：US09279632B2
公开(公告)日：2016-03-08
申请号：US14169685
申请日：2014-01-31
IPC分类号： F41A21/00 , F41A11/02 , F41A5/18 , F41A11/00 , F41A21/48 , F41C23/16 , F41G1/02 , F41G11/00 , F41A35/02 , F41A5/28 , F41A3/66 , F41A13/12 , F41A15/00 , F41C27/00 , F41G1/00
CPC分类号： F41A11/02 , F41A3/66 , F41A5/18 , F41A5/26 , F41A5/28 , F41A11/00 , F41A13/12 , F41A15/00 , F41A21/482 , F41A35/02 , F41C23/16 , F41C27/00 , F41G1/00 , F41G1/02 , F41G11/003
摘要： A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.
摘要翻译： 具有接收器的步枪具有整体护手和枪管。 枪管连接到接收器。 护手延伸并围绕枪管。 可拆卸的护手通过将可移除的护手稳固地保持在接收器上的附件附接到接收器。 该附件被布置成允许从接收器拆卸和移除可移除的护手，而不需要拆除紧固件。
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公开(公告)号：US09612072B2
公开(公告)日：2017-04-04
申请号：US14886793
申请日：2015-10-19
IPC分类号： F41A21/00 , F41A11/02 , F41A5/18 , F41A11/00 , F41A21/48 , F41C23/16 , F41G1/02 , F41G11/00 , F41A35/02 , F41A5/28 , F41A3/66 , F41A13/12 , F41A15/00 , F41C27/00 , F41G1/00 , F41A5/26
CPC分类号： F41A11/02 , F41A3/66 , F41A5/18 , F41A5/26 , F41A5/28 , F41A11/00 , F41A13/12 , F41A15/00 , F41A21/482 , F41A35/02 , F41C23/16 , F41C27/00 , F41G1/00 , F41G1/02 , F41G11/003
摘要： An upper receiver for a firearm, the upper receiver having: a hand guard section removably connected to the upper receiver via a locking mechanism pivotally mounted to the hand guard section for movement between a locking position and an unlocking position, wherein the locking mechanism requires only a single movement in one direction to move from the locking position to the unlocking position, wherein the hand guard section has peripheral device mounting rails located at a six o'clock position with respect to a centerline of the barrel and wherein the hand guard section is capable of being completely detached and removed from the upper receiver after the locking mechanism has been moved into the unlocking position; and a plurality of integrally formed rails located above the hand guard section and at three, nine and twelve o'clock positions with respect to the centerline of the barrel.
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公开(公告)号：US20160131447A1
公开(公告)日：2016-05-12
申请号：US14886793
申请日：2015-10-19
CPC分类号： F41A11/02 , F41A3/66 , F41A5/18 , F41A5/26 , F41A5/28 , F41A11/00 , F41A13/12 , F41A15/00 , F41A21/482 , F41A35/02 , F41C23/16 , F41C27/00 , F41G1/00 , F41G1/02 , F41G11/003
摘要： An upper receiver for a firearm, the upper receiver having: a hand guard section removably connected to the upper receiver via a locking mechanism pivotally mounted to the hand guard section for movement between a locking position and an unlocking position, wherein the locking mechanism requires only a single movement in one direction to move from the locking position to the unlocking position, wherein the hand guard section has peripheral device mounting rails located at a six o'clock position with respect to a centerline of the barrel and wherein the hand guard section is capable of being completely detached and removed from the upper receiver after the locking mechanism has been moved into the unlocking position; and a plurality of integrally formed rails located above the hand guard section and at three, nine and twelve o'clock positions with respect to the centerline of the barrel.
摘要翻译： 一种用于枪支的上部接收器，上部接收器具有：手部防护部分，其通过可枢转地安装到护手部分的锁定机构可移除地连接到上部接收器，用于在锁定位置和解锁位置之间移动，其中锁定机构仅需要 在一个方向上的单一运动从锁定位置移动到解锁位置，其中手部防护部分具有位于相对于枪管的中心线的六点钟位置的外围设备安装轨道，并且其中护手部分是 能够在锁定机构已经移动到解锁位置之后完全分离并从上部接收器移除; 以及多个整体形成的轨道，其位于护手部分上方，并且相对于枪管的中心线处于三点，九点和十二点钟位置。
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公开(公告)号：US20130047832A1
公开(公告)日：2013-02-28
申请号：US13398976
申请日：2012-02-17
CPC分类号： F41A5/18 , F41A3/66 , F41A5/26 , F41A11/02 , F41C23/16 , F41G1/02 , F41G11/003 , Y10T29/49826
摘要： An indirect gas operating system for a semi-automatic or automatic rifle is provided, the indirect gas operating system having: a sleeve removably secured to a forward end of a gas block of the rifle; a piston slidably received within the gas block, wherein the gas block and the sleeve fluidly couple the piston to a bore of a barrel of the rifle; wherein an increase in pressure in the bore of the rifle causes the piston to move away from the sleeve; and wherein the sleeve and the piston are each capable of being removed from the rifle through the forward end of the gas block.
摘要翻译： 提供了一种用于半自动或自动步枪的间接气体操作系统，所述间接气体操作系统具有：可移除地固定到步枪气块前端的套筒; 可滑动地容纳在所述气体块内的活塞，其中所述气体块和所述套筒将所述活塞流体地联接到所述步枪的筒的孔中; 其中所述步枪的孔中的压力的增加导致所述活塞远离所述套筒移动; 并且其中套筒和活塞各自能够通过气块的前端从步枪移除。
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公开(公告)号：US20100300277A1
公开(公告)日：2010-12-02
申请号：US12857189
申请日：2010-08-16
CPC分类号： F41A5/18 , F41A3/66 , F41A5/26 , F41A11/02 , F41C23/16 , F41G1/02 , F41G11/003 , Y10T29/49826
摘要： A semi-automatic or automatic rifle is provided. The semi-automatic or automatic rifle includes a receiver having an integral hand guard portion, a barrel having a bore. The bore is removably connected to the receiver, the hand guard portion extending over and surrounding the barrel, an indirect gas operating system has a gas block and a piston. The gas block has a cylinder, the gas block is fitted to the barrel, the cylinder is in communication with the bore. The piston has a piston end and a striking end, the piston end is fitted to the cylinder and has a bolt carrier having a striking surface. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, wherein, the cylinder and the piston are together removable as an assembly from the firearm without disassembly of the rifle.
摘要翻译： 提供半自动或自动步枪。 半自动或自动步枪包括具有整体护手部分的接收器，具有孔的镜筒。 孔可拆卸地连接到接收器，护手部分延伸并围绕镜筒，间接气体操作系统具有气体块和活塞。 气块具有气缸，气体块安装在机筒上，气缸与孔连通。 活塞具有活塞端和冲击端，活塞端装配到气缸并具有具有撞击表面的螺栓托架。 当筒被燃烧时，气体使活塞端部移位，并使撞击端撞击打击表面，使栓塞组件移位，其中，气缸和活塞一起作为来自火器的组件可拆卸而不需要拆卸步枪。
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公开(公告)号：US07938055B2
公开(公告)日：2011-05-10
申请号：US12857189
申请日：2010-08-16
IPC分类号： F41A5/20
CPC分类号： F41A5/18 , F41A3/66 , F41A5/26 , F41A11/02 , F41C23/16 , F41G1/02 , F41G11/003 , Y10T29/49826
摘要： A semi-automatic or automatic rifle is provided. The semi-automatic or automatic rifle includes a receiver having an integral hand guard portion, a barrel having a bore. The bore is removably connected to the receiver, the hand guard portion extending over and surrounding the barrel, an indirect gas operating system has a gas block and a piston. The gas block has a cylinder, the gas block is fitted to the barrel, the cylinder is in communication with the bore. The piston has a piston end and a striking end, the piston end is fitted to the cylinder and has a bolt carrier having a striking surface. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, wherein, the cylinder and the piston are together removable as an assembly from the firearm without disassembly of the rifle.
摘要翻译： 提供半自动或自动步枪。 半自动或自动步枪包括具有整体护手部分的接收器，具有孔的镜筒。 孔可拆卸地连接到接收器，护手部分延伸并围绕镜筒，间接气体操作系统具有气体块和活塞。 气块具有气缸，气体块安装在机筒上，气缸与孔连通。 活塞具有活塞端和冲击端，活塞端装配到气缸并具有具有撞击表面的螺栓托架。 当筒被燃烧时，气体使活塞端部移位，并使撞击端撞击打击表面，使栓塞组件移位，其中，气缸和活塞一起作为来自火器的组件可拆卸而不需要拆卸步枪。
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公开(公告)号：US07775150B2
公开(公告)日：2010-08-17
申请号：US11672189
申请日：2007-02-07
IPC分类号： F41A5/20
CPC分类号： F41A5/18 , F41A3/66 , F41A5/26 , F41A11/02 , F41C23/16 , F41G1/02 , F41G11/003 , Y10T29/49826
摘要： An indirect gas operating system for an M4 type automatic or semi-automatic firearm. The indirect gas operating system has a gas block having a cylinder. The gas block is fitted to a barrel assembly having a bore with the cylinder in communication with the bore. A piston having a piston end and a striking end has the piston end fitted to the cylinder. A bolt assembly having a striking surface is provided. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly. The cylinder and the piston are together removable as an assembly from the firearm without removal of the gas block.
摘要翻译： 用于M4型自动或半自动枪支的间接气体操作系统。 间接气体操作系统具有气缸体，其具有气缸。 气体块被安装到具有孔的筒组件中，气缸与孔连通。 具有活塞端和撞击端的活塞具有装配到气缸的活塞端。 提供具有撞击表面的螺栓组件。 当筒被燃烧时，气体使活塞端部移位，并使撞击端撞击打击表面，从而移动螺栓组件。 气缸和活塞一起作为来自枪支的组件可拆卸，而不需要拆卸气块。
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公开(公告)号：US20140318362A1
公开(公告)日：2014-10-30
申请号：US14169685
申请日：2014-01-31
CPC分类号： F41A11/02 , F41A3/66 , F41A5/18 , F41A5/26 , F41A5/28 , F41A11/00 , F41A13/12 , F41A15/00 , F41A21/482 , F41A35/02 , F41C23/16 , F41C27/00 , F41G1/00 , F41G1/02 , F41G11/003
摘要： A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.
摘要翻译： 具有接收器的步枪具有整体护手和枪管。 枪管连接到接收器。 护手延伸并围绕枪管。 可拆卸的护手通过将可移除的护手稳固地保持在接收器上的附件附接到接收器。 该附件被布置成允许从接收器拆卸和移除可移除的护手，而不需要拆除紧固件。
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公开(公告)号：US20140076152A1
公开(公告)日：2014-03-20
申请号：US13964664
申请日：2013-08-12
IPC分类号： F41A5/18
CPC分类号： F41A5/18 , F41A3/66 , F41A5/26 , F41A11/02 , F41C23/16 , F41G1/02 , F41G11/003 , Y10T29/49826
摘要： An indirect gas operating system for a semi-automatic or automatic rifle is provided, the indirect gas operating system having: a gas block secured to the rifle; a barrel secured to the rifle; a bolt carrier slidably received within a receiver of the rifle; a means for moving the bolt carrier within the receiver using gases discharged into a bore of the barrel of the rifle, wherein the means for moving is removably secured to the gas block such that the means for moving can be removed from the rifle through a forward end of the gas block without removing the gas block from the rifle; and an externally threaded barrel nut for securing the barrel to the receiver.
摘要翻译： 提供了一种用于半自动或自动步枪的间接气体操作系统，间接气体操作系统具有：固定在步枪上的气块; 固定在步枪上的桶; 可滑动地容纳在所述步枪的接收器内的螺栓托架; 用于将排出到步枪枪管的孔中的气体移动到接收器内的装置，其中用于移动的装置可移除地固定到气块，使得用于移动的装置可以从步枪通过前进 气体块的末端，而不从步枪中取出气块; 以及用于将筒固定到接收器的外螺纹筒螺母。
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公开(公告)号：US08640372B2
公开(公告)日：2014-02-04
申请号：US13291714
申请日：2011-11-08
IPC分类号： F41A21/00
CPC分类号： F41A11/02 , F41A3/66 , F41A5/18 , F41A5/26 , F41A5/28 , F41A11/00 , F41A13/12 , F41A15/00 , F41A21/482 , F41A35/02 , F41C23/16 , F41C27/00 , F41G1/00 , F41G1/02 , F41G11/003
摘要： A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.
摘要翻译： 具有接收器的步枪具有整体护手和枪管。 枪管连接到接收器。 护手延伸并围绕枪管。 可拆卸的护手通过将可移除的护手稳固地保持在接收器上的附件附接到接收器。 该附件被布置成允许从接收器拆卸和移除可移除的护手，而不需要拆除紧固件。
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