Abstract

In some embodiments, a firearm action mechanism comprises a bolt assembly, a counterweight and a connector engaged with the bolt assembly and with the counterweight. The bolt assembly is arranged to move along a first axis. The counterweight is arranged to move along a second axis. A direction of movement of the bolt assembly is different from a direction of movement of the counterweight. In some embodiments, the movement of the counterweight is opposite the movement of the bolt assembly. In some embodiments, the connector comprises a roller.

IPC Classes  ?

• F41A 5/28 - Adjustable systems

Abstract

In some embodiments, a fire control assembly comprises a frame, a hammer, a trigger and a disconnector. The frame is arranged to be supported along a trigger axis and a hammer axis. The hammer is rotatable about the hammer axis and the trigger is rotatable about the trigger axis. The frame comprises a hammer stop arranged to impede rotation of the hammer. The frame comprises a preloading mechanism arranged to contact a safety selector.

IPC Classes  ?

• F41A 19/45 - Sear arrangements therefor for catching the hammer after each shot, i.e. in single-shot or semi- automatic firing mode
• F41A 17/74 - Hammer safeties, i.e. for preventing the hammer from hitting the cartridge or the firing pin
• F41A 19/14 - Hammers, i.e. pivotably-mounted striker elements; Hammer mountings

Abstract

In some embodiments, a firearm muzzle device comprises a body comprising an internal passageway comprising a first portion and a second portion. The first portion comprises a larger cross-sectional area than the second portion. A plurality of first vents are each in fluid communication with the first portion. A plurality of second vents are each in fluid communication with the second portion.

IPC Classes  ?

• F41A 21/36 - Muzzle attachments or glands for recoil reduction

Abstract

In some embodiments, a fire control mechanism comprises a hammer, a trigger and a safety. The hammer is rotatable about a hammer axis. The trigger is rotatable about a trigger axis and arranged to contact the hammer. The safety is arranged to interfere with rotation of the trigger. The safety comprises a second portion moveable with respect to a first portion.

IPC Classes  ?

• F41A 19/43 - Mechanical firing mechanisms having at least one hammer in bolt-action guns
• F41A 17/46 - Trigger safeties, i.e. means for preventing trigger movement

Abstract

In some embodiments, a fire control mechanism comprises a frame comprising a flange comprising a peak. A hammer is arranged to pivot about a hammer axis. A hammer spring is arranged to bias the hammer about the hammer axis. The hammer spring contacts the peak of the flange.

IPC Classes  ?

• F41A 19/14 - Hammers, i.e. pivotably-mounted striker elements; Hammer mountings

Abstract

In some embodiments, a fire control mechanism comprises a trigger, a hammer and a disconnector. The trigger comprises a trigger sear and is arranged to rotate about a trigger axis. The hammer comprises a hammer sear and a secondary sear and is arranged to rotate about a hammer axis. The disconnector comprises a disconnector sear and is arranged to move with respect to the trigger. The fire control mechanism comprises an orientation wherein the trigger sear contacts the hammer sear and the secondary sear contacts the disconnector sear.

IPC Classes  ?

• F41A 19/45 - Sear arrangements therefor for catching the hammer after each shot, i.e. in single-shot or semi- automatic firing mode

Abstract

In some embodiments, a fire control assembly comprises a frame, a hammer, a trigger and a disconnector. The frame is arranged to be supported along a trigger axis and a hammer axis. The hammer is rotatable about the hammer axis and the trigger is rotatable about the trigger axis. The frame comprises a hammer stop arranged to impede rotation of the hammer. The frame comprises a preloading mechanism arranged to contact a safety selector.

IPC Classes  ?

• F41A 19/45 - Sear arrangements therefor for catching the hammer after each shot, i.e. in single-shot or semi- automatic firing mode
• F41A 19/14 - Hammers, i.e. pivotably-mounted striker elements; Hammer mountings
• F41A 17/74 - Hammer safeties, i.e. for preventing the hammer from hitting the cartridge or the firing pin

Abstract

In some embodiments, a fire control assembly comprises a trigger rotatable about a trigger axis and a hammer rotatable about a hammer axis. A trigger spring is arranged to bias the trigger in a first direction about the trigger axis. A hammer spring is arranged to bias the hammer in a second direction about the hammer axis. The trigger comprises a trigger sear and a stop. The hammer comprises a hammer sear and a catch. The fire control assembly comprises a first orientation wherein the trigger sear contacts the hammer sear and impedes rotation of the hammer, and a second orientation wherein the stop contacts the catch and impedes rotation of the hammer.

IPC Classes  ?

• F41A 19/10 - Triggers; Trigger mountings
• F41A 19/12 - Sears; Sear mountings
• F41A 19/14 - Hammers, i.e. pivotably-mounted striker elements; Hammer mountings

Abstract

In some embodiments, a fire control mechanism comprises a trigger arranged to pivot about an axis and a disconnector arranged to pivot about the axis with respect to the trigger. The disconnector comprises a first stop and a second stop. A distance between the axis and the second stop is greater than a distance between the axis and the first stop. The disconnector comprises a first orientation and a second orientation, and a disconnector spring is arranged to bias the disconnector to the first orientation. The first stop contacts a first interfering surface in the first orientation and the second stop contacts a second interfering surface in the second orientation.

IPC Classes  ?

• F41A 19/16 - Adjustable firing mechanisms; Trigger mechanisms with adjustable trigger pull
• F41A 19/10 - Triggers; Trigger mountings

Abstract

In some embodiments, a firearm mechanism comprises a bolt carrier comprising a bolt carrier cavity, a buffer comprising a buffer cavity and a weight arranged to travel between the bolt carrier cavity and the buffer cavity. The buffer cavity comprises a damping mechanism comprising a reduction in a cross-sectional size of the buffer cavity. In some embodiments, the damping mechanism and weight comprise a valve arrangement arranged to pressurize the buffer cavity and damp kinetic energy carried by the weight.

IPC Classes  ?

• F41A 3/78 - Bolt buffer or recuperator means
• F41A 19/16 - Adjustable firing mechanisms; Trigger mechanisms with adjustable trigger pull
• F41A 7/00 - Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing; Drives for externally-powered guns; Remote-controlled gun chargers

Abstract

In some embodiments, a firearm suppressor comprises a body comprising a sidewall defining a cavity. In some embodiments, the body is configured for attachment to a firearm such that a muzzle of the firearm barrel is oriented in the cavity. In some embodiments, the suppressor comprises a rotating member oriented in the cavity, which is arranged to rotate with respect to the body. In some embodiments, the rotating member comprises a plurality of turbine blades and a central aperture.

IPC Classes  ?

• F41A 21/30 - Silencers
• F41A 21/32 - Muzzle attachments or glands

Abstract

In some embodiments, a firearm comprises a lower receiver, a bolt carrier, a buffer sleeve and a buffer. The lower receiver is arranged to support a hammer and an auto-sear. The bolt carrier comprises a body and a striker moveable with respect to the body between a first position and a second position. The buffer sleeve is arranged to contact the bolt carrier and to contact a buffer spring. The buffer sleeve defines an internal cavity and comprises open ends. The buffer is oriented in the internal cavity and extends through the buffer sleeve. The buffer is arranged to contact the striker and move the striker to the second position.

IPC Classes  ?

• F41A 19/04 - Shot-velocity control by controlling the time of release of the firing pin or hammer
• F41A 19/44 - Sear arrangements therefor
• F41A 19/12 - Sears; Sear mountings
• F41A 3/84 - Coil spring buffers mounted within the gun stock
• F41A 5/28 - Adjustable systems
• F41A 19/46 - Arrangements for the selection of automatic or semi-automatic fire
• F41A 19/16 - Adjustable firing mechanisms; Trigger mechanisms with adjustable trigger pull

Abstract

In some embodiments, a firearm comprises a lower receiver, a bolt carrier and a weight. The lower receiver is arranged to support a hammer and an auto-sear. The bolt carrier comprises a body and a striker moveable with respect to the body between a first position and a second position. The body defines a first cavity adjacent the striker. A weight is positioned in the first cavity and arranged to move the striker to the second position, wherein the striker is arranged to operate the auto-sear.

IPC Classes  ?

• F41A 19/03 - Shot-velocity control
• F41A 19/14 - Hammers, i.e. pivotably-mounted striker elements; Hammer mountings
• F41A 19/31 - Sear arrangements therefor
• F41A 3/56 - Bolt locks of the unlocked type, i.e. being inertia operated the bolt being provided with an additional slidable mass

Abstract

In some embodiments, a firearm trigger assembly comprises a hammer arranged to pivot on a hammer axis. The hammer comprises a cavity offset from the hammer axis, and the cavity has an opening that extends along a length of the cavity. A secondary biasing mechanism comprises a support member and a biasing member. The support member comprises a first portion oriented in the cavity and a second portion arranged to support the biasing member. The first portion is fixedly attached to the second portion. The trigger assembly has a first orientation and a second orientation. The secondary biasing mechanism biases the hammer in a first direction about the hammer axis in the first orientation, and in a second direction about the hammer axis in the second orientation.

IPC Classes  ?

• F41A 19/19 - Mechanical firing mechanisms for multibarrel guns with single-trigger firing possibility
• F41A 19/14 - Hammers, i.e. pivotably-mounted striker elements; Hammer mountings

Abstract

In some embodiments, a trigger comprises a sear surface, a trigger bow extending in a first direction, an arm extending in a second direction different from the first direction and an aperture arranged to receive a trigger pin. The arm comprises a cavity. A lower surface of the arm comprises an aperture in fluid communication with the cavity.

IPC Classes  ?

• F41A 19/16 - Adjustable firing mechanisms; Trigger mechanisms with adjustable trigger pull
• F41A 19/10 - Triggers; Trigger mountings
• F41A 19/33 - Arrangements for the selection of automatic or semi-automatic fire
• F41A 19/46 - Arrangements for the selection of automatic or semi-automatic fire

Abstract

In some embodiments, a trigger group comprises a trigger arranged to pivot on a trigger axis and a hammer arranged to pivot on a hammer axis. The hammer includes a cam surface. The hammer is moveable from a first position to a second position upon break of the trigger, and the cam surface contacts the trigger in the second position. Desirably, the cam is arranged to bias the trigger.

IPC Classes  ?

• F41A 19/47 - Cocking mechanisms
• F41A 19/10 - Triggers; Trigger mountings
• F41A 19/14 - Hammers, i.e. pivotably-mounted striker elements; Hammer mountings
• F41A 19/43 - Mechanical firing mechanisms having at least one hammer in bolt-action guns

Abstract

In some embodiments, a trigger group comprises a trigger arranged to pivot on a trigger axis and a hammer arranged to pivot on a hammer axis. The hammer includes a cam surface. The hammer is moveable from a first position to a second position upon break of the trigger, and the cam surface contacts the trigger in the second position. Desirably, the cam is arranged to bias the trigger.

IPC Classes  ?

• F41A 19/43 - Mechanical firing mechanisms having at least one hammer in bolt-action guns
• F41A 19/14 - Hammers, i.e. pivotably-mounted striker elements; Hammer mountings
• F41A 19/10 - Triggers; Trigger mountings
• F41A 19/47 - Cocking mechanisms

Abstract

In some embodiments, a trigger comprises a finger portion comprising a plurality of detent locations and a shoe comprising a resiliently deformable detenting structure. The shoe is attachable to the finger portion at a plurality of predetermined positions via said resiliently deformable detenting structure occupying a detent location. The shoe is disengageble from a given position by resiliently deforming said resiliently deformable detenting structure.

IPC Classes  ?

• F41A 19/10 - Triggers; Trigger mountings
• F41A 19/09 - Auxiliary trigger devices
• F41A 19/00 - Firing or trigger mechanisms; Cocking mechanisms

Abstract

In at least one embodiment, a firearm trigger group comprises a trigger arranged to pivot on a trigger axis and a hammer arranged to pivot on a hammer axis. A hammer biasing member is arranged to bias the hammer in a predetermined rotational direction. A secondary biasing member is also arranged to bias the hammer. The hammer is moveable from a first position to a second position upon actuation of the trigger. The secondary biasing member counteracts the hammer biasing member in the first position, and cooperates with the hammer biasing member in the second position.

IPC Classes  ?

• F41A 19/42 - Mechanical firing mechanisms having at least one hammer