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公开(公告)号：US20220196361A1
公开(公告)日：2022-06-23
申请号：US17551372
申请日：2021-12-15
发明人： Konstantin Nedev
摘要： Firearms with ambidextrous bolt hold-open have a receiver defining a magazine well configured to receive an ammunition magazine having a follower that is spring biased toward an open end, the receiver defining a passage receiving a bolt assembly operable to reciprocate between a forward battery position and a rear retracted position, the bolt assembly being operable to strip a cartridge from the magazine upon movement from the rear retracted position to the forward battery position, a bolt latch movable between a latched position in which the bolt latch prevents movement of the bolt assembly from the retracted position to the battery position, and an unlatched position in which the bolt latch permits movement of the bolt assembly from the retracted position to the battery position, the bolt latch being responsive to the magazine having an elevated follower without ammunition to move to the latched position.
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公开(公告)号：US11680766B2
公开(公告)日：2023-06-20
申请号：US17551334
申请日：2021-12-15
发明人： Konstantin Nedev
摘要： Firearms with charging handle slot covers have a receiver defining a passage receiving a reciprocating bolt assembly, the receiver having a wall defining an elongated slot, a handle external to the receiver and having a shank portion extending through the slot and an inner portion connected to the bolt assembly, a slot cover plate connected to the receiver and movable between a closed position at least partly covering the elongated slot and an open position at least partly exposing the elongated slot, and a cover element overlaying at least a portion of the slot cover plate. The slot cover plate may be spring biased to the closed position. The slot cover plate may be an elongated body with opposed ends independently movable with respect to each other. The slot cover plate may be configured to shift to cover the elongated slot away from the shank.
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公开(公告)号：US20220196360A1
公开(公告)日：2022-06-23
申请号：US17551334
申请日：2021-12-15
发明人： Konstantin Nedev
摘要： Firearms with charging handle slot covers have a receiver defining a passage receiving a reciprocating bolt assembly, the receiver having a wall defining an elongated slot, a handle external to the receiver and having a shank portion extending through the slot and an inner portion connected to the bolt assembly, a slot cover plate connected to the receiver and movable between a closed position at least partly covering the elongated slot and an open position at least partly exposing the elongated slot, and a cover element overlaying at least a portion of the slot cover plate. The slot cover plate may be spring biased to the closed position. The slot cover plate may be an elongated body with opposed ends independently movable with respect to each other. The slot cover plate may be configured to shift to cover the elongated slot away from the shank.
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公开(公告)号：US11846484B2
公开(公告)日：2023-12-19
申请号：US17551361
申请日：2021-12-15
发明人： Konstantin Nedev
摘要： Firearms with gas piston assemblies have a receiver defining a passage receiving a reciprocating bolt assembly, a barrel defining a barrel axis and extending from the receiver in a forward direction and defining a barrel gas aperture, a gas block connected to the barrel and defining a piston bore in communication with the gas block bore, a piston assembly having a forward end operably engaged to the piston bore and a rear end operably engaged to the reciprocating bolt assembly, the piston assembly having a piston closely received in the piston bore and having a piston rear end, the piston assembly including an elongated intermediate rod having an intermediate rod forward end registered with the piston rear end and an intermediate rod rear end, and the piston assembly including a rear portion having a forward end registered with the intermediate rod rear end and a rear portion.
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公开(公告)号：US11680762B2
公开(公告)日：2023-06-20
申请号：US17551350
申请日：2021-12-15
发明人： Konstantin Nedev
IPC分类号： F41A5/28
CPC分类号： F41A5/28
摘要： Firearms with adjustable gas block regulators have a receiver defining a passage receiving a reciprocating bolt assembly, a barrel defining a barrel axis and extending from the receiver and defining a barrel gas aperture, a gas block connected to the barrel and having a gas block inlet registered with the barrel gas aperture, the gas block defining a gas block bore transverse to the barrel axis and in communication with the gas block inlet, the gas block bore defining a gas block bore axis, the gas block defining a gas outlet in communication with the gas block bore, a regulator closely received in the bore and operable to reciprocate along the gas block bore between at least a first position and a different second position, the regulator defining first and second gas paths having different gas flow characteristics.
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公开(公告)号：US11674773B2
公开(公告)日：2023-06-13
申请号：US17551372
申请日：2021-12-15
发明人： Konstantin Nedev
摘要： Firearms with ambidextrous bolt hold-open have a receiver defining a magazine well configured to receive an ammunition magazine having a follower that is spring biased toward an open end, the receiver defining a passage receiving a bolt assembly operable to reciprocate between a forward battery position and a rear retracted position, the bolt assembly being operable to strip a cartridge from the magazine upon movement from the rear retracted position to the forward battery position, a bolt latch movable between a latched position in which the bolt latch prevents movement of the bolt assembly from the retracted position to the battery position, and an unlatched position in which the bolt latch permits movement of the bolt assembly from the retracted position to the battery position, the bolt latch being responsive to the magazine having an elevated follower without ammunition to move to the latched position.
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公开(公告)号：US20220196354A1
公开(公告)日：2022-06-23
申请号：US17551361
申请日：2021-12-15
发明人： Konstantin Nedev
IPC分类号： F41A5/28
摘要： Firearms with gas piston assemblies have a receiver defining a passage receiving a reciprocating bolt assembly, a barrel defining a barrel axis and extending from the receiver in a forward direction and defining a barrel gas aperture, a gas block connected to the barrel and defining a piston bore in communication with the gas block bore, a piston assembly having a forward end operably engaged to the piston bore and a rear end operably engaged to the reciprocating bolt assembly, the piston assembly having a piston closely received in the piston bore and having a piston rear end, the piston assembly including an elongated intermediate rod having an intermediate rod forward end registered with the piston rear end and an intermediate rod rear end, and the piston assembly including a rear portion having a forward end registered with the intermediate rod rear end and a rear portion.
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公开(公告)号：US20220196353A1
公开(公告)日：2022-06-23
申请号：US17551350
申请日：2021-12-15
发明人： Konstantin Nedev
IPC分类号： F41A5/28
摘要： Firearms with adjustable gas block regulators have a receiver defining a passage receiving a reciprocating bolt assembly, a barrel defining a barrel axis and extending from the receiver and defining a barrel gas aperture, a gas block connected to the barrel and having a gas block inlet registered with the barrel gas aperture, the gas block defining a gas block bore transverse to the barrel axis and in communication with the gas block inlet, the gas block bore defining a gas block bore axis, the gas block defining a gas outlet in communication with the gas block bore, a regulator closely received in the bore and operable to reciprocate along the gas block bore between at least a first position and a different second position, the regulator defining first and second gas paths having different gas flow characteristics.
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