US20220412682A1 - Safety device for weapons, drive mechanism and control system for said safety device - Google Patents
Safety device for weapons, drive mechanism and control system for said safety device Download PDFInfo
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- US20220412682A1 US20220412682A1 US17/848,790 US202217848790A US2022412682A1 US 20220412682 A1 US20220412682 A1 US 20220412682A1 US 202217848790 A US202217848790 A US 202217848790A US 2022412682 A1 US2022412682 A1 US 2022412682A1
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- weapon
- safety
- trigger
- safety element
- trigger bar
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- 230000007246 mechanism Effects 0.000 title claims description 27
- 238000010304 firing Methods 0.000 claims abstract description 46
- 238000004891 communication Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 231100001160 nonlethal Toxicity 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A17/00—Safety arrangements, e.g. safeties
- F41A17/56—Sear safeties, i.e. means for rendering ineffective an intermediate lever transmitting trigger movement to firing pin, hammer, bolt or sear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A17/00—Safety arrangements, e.g. safeties
- F41A17/06—Electric or electromechanical safeties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A17/00—Safety arrangements, e.g. safeties
- F41A17/06—Electric or electromechanical safeties
- F41A17/063—Electric or electromechanical safeties comprising a transponder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A17/00—Safety arrangements, e.g. safeties
- F41A17/08—Safety arrangements, e.g. safeties for inhibiting firing in a specified direction, e.g. at a friendly person or at a protected area
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A17/00—Safety arrangements, e.g. safeties
- F41A17/20—Grip or stock safeties, i.e. safeties disengaged by clasping the grip or stock
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A17/00—Safety arrangements, e.g. safeties
- F41A17/64—Firing-pin safeties, i.e. means for preventing movement of slidably- mounted strikers
- F41A17/72—Firing-pin safeties, i.e. means for preventing movement of slidably- mounted strikers trigger-operated, i.e. the movement of the trigger bringing a firing-pin safety into inoperative position during the firing
Definitions
- the present disclosure refers to the technical field of weapons, and more specifically to safety arrangements for firing weapons.
- the invention relates to a reliable safety device for weapons, a drive mechanism, a control system for the same, a weapon and a method involving the safety device, said safety device being capable of being controlled by the shooter, by a third person, by another transmitting device like a bracelet or by an emitter located in a region surrounding a target and a receiving device located in the weapon.
- said kinematic shooting chain comprises basically the following pieces: the trigger 10 , the trigger bar 20 , the striker safety lever 30 , the striker safety 40 , the sear 50 and the striker 60 or firing pin. More specifically, the operation of the main parts involved in the weapon's shooting mechanism is as follows: when the trigger 10 is pulled, it moves the trigger bar 20 by means of a spring 6 , as represented in FIG. 1 A , wherein the trigger bar 20 in turn moves (through an upper protrusion) the striker safety lever 30 . Said striker safety lever 30 has two functions, its upper front zone releases the striker safety 40 and its lower rear zone acts on the sear 50 , which is the one that finally releases the striker 60 , producing the shot.
- the upper protrusion of the trigger bar 20 drops/lows whenever the weapon slide is not completely closed, said closed position being the natural position of the slide, in which it is aligned with the frame.
- This downward movement of the trigger bar 20 is carried out to avoid that shots can be fired without the slide being completely closed.
- This occurs in weapons because the slide has an area or footprint that houses the upper protrusion of the trigger bar 20 .
- the slide has an area or footprint that houses the upper protrusion of the trigger bar 20 .
- the present disclosure solves the above-mentioned drawbacks by providing a reliable and robust electromechanical safety device that maximises the security of the weapon by preventing accidental firing situations. Furthermore, a drive mechanism and a control system for the safety device are also provided, the latter being capable of being controlled by the shooter or by a third person.
- a weapon including a safety device and a method for arranging a safety device in a weapon are also disclosed.
- weapon any small arm or light weapon, such as a firearm, gun, shotgun, air gun, machine gun, pistol, rifle, revolver, etc. and non-lethal weapon or archery weapon as well.
- the weapon is a weapon with a striker fired system, e.g., a pistol with a striker fired system.
- safety position when the term “safe position” is mentioned in this application, it means that the weapon is disabled, and even if the shooter pulls the trigger there is no shot.
- firing position when “firing position” is mentioned, it means that the weapon is enabled, that is, in the case that the rest of the original weapon locks are enabled, if the shooter pulls the trigger a shot is produced.
- the safety device of the disclosure is applicable to weapons having a frame, a slide, a backstrap and a magazine or grip, wherein the transition of the weapon from a firing position to a safe position is made by disconnection of the kinematic shooting chain of the weapon, said kinematic shooting chain comprising a trigger, a trigger bar operated by the trigger and displaceable between a high position and a low position (also referred to as first position and second position), a striker safety lever, a striker safety, a sear and a striker.
- the safety device of the disclosure comprises a safety element for connecting or disconnecting the kinematic shooting chain; wherein said safety element is configured to connect with the trigger bar and the backstrap of the weapon whenever the safety element is located inside the weapon, thus, when said safety element is located inside the weapon at its rear part, it connects with the trigger bar and the backstrap of the weapon.
- the safety element acts on the trigger bar causing said trigger bar to move downwardly to its low position or second position, so the trigger bar does not contact the rest of the kinematic shooting chain, so regardless of whether the trigger is pulled, a shot is not produced.
- the safety element acts on the trigger bar causing said trigger bar to move upwardly to its high position or first position, so the trigger bar does contact the rest of the kinematic shooting chain, so a shot can be produced when the trigger is pulled.
- the safety element is a rod comprising: an upper protruding section, which is arrangeable inside the weapon such that, preferably, the upper protruding section is in contact with the trigger bar whenever it is located inside the weapon; a lower protruding section, which is arrangeable in the backstrap of the weapon such that the lower protruding section projects outwards from said backstrap whenever it is located inside the weapon, said lower protruding section being operable by a user; and a central section located between both protruding sections.
- said safety element is made from steel, especially indicated for its tenacity and hardness.
- the steel can be a stainless or with some later treatment.
- the safety element is made by a different metallic material or even made in plastic.
- the upper protruding section of the safety element is longer than the lower protruding section. This is not a trivial or random feature, but it pursues a well-identified objective. More specifically, the length of the upper protruding section is such that it allows the trigger bar to move (forward and backward) when the trigger is at rest position (not pulled) or when the trigger is pulled, in both, the safe and firing positions.
- This feature is critical in the firing position, since, if the upper protruding section is not long enough, when the trigger is pulled, the trigger bar would be released from the safety element, transmitting its movement to the rest of the kinematic shooting chain and possibly producing a shot, while the shooter thinks that the gun is in a safe position, resulting in a serious safety problem.
- the safety element comprises an elastic piece, or, alternatively, the safety element itself is flexible, both options allowing the trigger bar to descend, i.e. move downwards, independently from the safety element.
- the safety element further comprises a drive mechanism as described, for example, with reference to the second aspect below.
- the safety element further comprises a control system as described, for example, with reference to the third aspect below.
- a drive mechanism of the safety device comprising a motor; a spindle attached to the motor; a pusher coupled to the spindle and configured for raising (to put the weapon in the firing position) or lowering (to put the weapon in the safe position) the safety element; and a housing on which the motor and the spindle are mounted, said housing being couplable or coupled to the weapon's backstrap.
- the drive mechanism also comprises at least a magnet and a magnetic sensor, both attached to the pusher. Said elements, magnet and magnetic sensor allow to know the position of the pusher, which is relevant for many reasons explained below.
- the drive mechanism further comprises an elastic element, located between the pusher and the housing, to counteract the force exerted by the original spring of the trigger bar of the weapon, which makes the trigger bar position to be in its highest position by default. This feature allows that the passage from firing to safe position is less abrupt.
- Said control system comprises at least one flexible PCB (Printed Circuit Board), which by being flexible allows adaption and fitting of the PCB inside the weapon regardless of limited space available and/or the shape of the weapon; an LED status indicator, connected to the at least one flexible PCB; a battery; a main communication circuit attached to the battery; and an electrical connection, between the main communication circuit and the flexible PCB.
- flexible PCB Print Circuit Board
- the battery is located under the front area of the weapon's frame.
- the battery is housed or adapted for housing on the backstrap of the weapon.
- a fourth aspect of the disclosure provides a weapon with a striker fired system like, for example but without limitation, a pistol with a striker fired system.
- the weapon comprises: a frame; a slide; a backstrap; a magazine or grip; a kinematic shooting chain; and a safety device according to the present disclosure.
- the kinematic shooting chain in turn comprises: a trigger: a trigger bar operated by the trigger and displaceable between a high position or first position and a low position or second position; a striker safety lever; a striker safety; a sear and a striker.
- the weapon transitions from a firing position to a safe position by disconnection of the kinematic shooting chain.
- the method comprises: arranging a weapon comprising: a frame, a slide, a backstrap, a magazine or grip, and a kinematic shooting chain, the kinematic shooting chain comprising: a trigger, a trigger bar operated by the trigger and displaceable between a high position and a low position, a striker safety lever, a striker safety, a sear and a striker; arranging a safety device comprising a safety element in the weapon; when the weapon is in a firing position, operating the safety element such that the safety elements acts on the trigger bar thereby causing said trigger bar to move downwardly to a low position at which the trigger bar does not contact the rest of the kinematic shooting chain, thereby transitioning the weapon to a safe position so a shot cannot be produced when the trigger is pulled; and when the weapon is in the safe position, operating the safety element such that the safety element acts on the trigger bar thereby causing said trigger bar to move upwardly to a high position at which the trigger
- the safety device is a safety device according to the present disclosure.
- the weapon is a weapon according to the fourth aspect.
- FIGS. 1 A- 1 B show a conventional weapon's shooting mechanism and the main elements of the kinematic shooting chain.
- FIG. 2 shows a detailed view of a weapon including the safety device according to embodiments of the present disclosure, in particular showing the interaction between the safety element and the trigger bar.
- FIGS. 3 A- 3 C show the positions of the safety element and the trigger bar in the firing and the safe positions of the weapon. A detail view of both overlapping positions is shown in FIG. 3 C .
- FIGS. 4 A- 4 D show the positions of the safety element and the trigger bar during the weapon's shooting sequence.
- FIG. 5 shows a side view of a weapon including a safety device according to embodiments of the disclosure, wherein the different areas of the safety element can be appreciated, according to a preferred embodiment of the disclosure.
- FIG. 6 shows a perspective view of the safety element of FIG. 5 .
- FIG. 7 shows a detail view of the upper protruding section of the safety element, showing its length with respect the trigger bar.
- FIGS. 8 A- 8 I show the drive mechanism of the safety device from the weapon's backstrap, according to a preferred embodiment of the disclosure.
- FIGS. 9 A- 9 C show the electronic control system of the safety device according to a preferred embodiment of the disclosure.
- the proposed safety device 1 comprises a safety element 100 for connection or disconnection of a kinematic shooting chain; wherein said safety element 100 is located inside the weapon in its rear part, connecting with (i.e. contacting) the trigger bar 20 and the backstrap 4 of the weapon, as can be appreciated in FIGS. 3 A and 3 B .
- the safety element 100 acts on the trigger bar 20 , causing said trigger bar 20 to move downwardly to its low position, as shown in FIG. 4 C . Consequently, the trigger bar 20 does not contact the rest of the kinematic shooting chain, so regardless of whether the trigger 10 is pulled, as seen in FIG. 4 D , a shot is not produced.
- the safety element 100 acts on the trigger bar 20 , causing said trigger bar 20 to move upwardly to its high position, as shown in FIG. 4 A .
- the trigger bar 20 contacts the rest of the kinematic shooting chain, so a shot can be produced when the trigger 10 is pulled, as can be observed in FIG. 4 B .
- FIG. 3 C shows a detail view of the overlapping positions of the trigger bar 20 and the upper protruding section 101 of the safety element 100 , both in the firing position and in the safe position of the weapon, the movement being indicated by the arrows for the sake of clarity only.
- the trigger bar 20 is in its rearmost and highest position possible, due to a weapon's spring 6 like that shown in FIG. 1 A .
- the position of the weapon is a firing position, namely the weapon is enabled, and it depends on whether a user pulls the trigger 10 that a shot occurs.
- the safety element 100 is in its highest position, which corresponds to the firing position of the weapon.
- the weapon is in a safe position, i.e. disabled, so even if the shooter pulls the trigger 10 , no shot is fired. This is because the safety element 100 is in its lowest position, which corresponds to the safe position of the weapon.
- FIG. 4 C the trigger 10 has not been pulled and is therefore in its most rearward position.
- FIG. 4 D shows when the trigger 10 is being pulled and is therefore, temporarily, in its most forward position.
- the weapon shall continue functioning as it originally did, so the trigger bar 20 shall have the possibility of dropping whenever the slide 3 is open.
- the safety element 100 might not require to be always in contact with the trigger bar 20 to allow the original operation of the weapon.
- both the upper and lower protruding sections 101 , 102 of the safety element 100 are oriented towards the rear part of the weapon, in the opposite direction to the direction of the shot.
- the location of the sections 101 , 102 , 103 of the safety element 100 has been specifically designed to adapt to the particular morphology of the weapon, taking into account the small dimensions of a weapon (a gun in particular) and the limited space available therein.
- the upper protruding section 101 of the safety element 100 forms an angle of less than 90° with the central section 103 , preferably 75° as shown in FIGS. 5 and 6 .
- This feature is relevant since it takes into account both that the main axis of the safety element 100 is parallel to the magazine or grip 5 axis and that the upper protruding section 101 axis takes into account the position of the trigger bar 20 .
- the lower protruding section 102 of the safety element 100 forms an angle of 90° with the central section 103 . This is also relevant because it eases and simplifies the assembly of the drive mechanism 200 , as it will be explained later.
- the upper protruding section 101 of the safety element 100 is longer than the lower protruding section 102 such that the trigger bar 20 is capable of moving (forward and backward), as seen in FIG. 7 , when the trigger 10 is at rest position, namely not pulled as shown in FIGS. 4 A, 4 C , as well as when the trigger 10 is pulled, in both the safe and firing positions, as shown in FIGS. 4 B, 4 D .
- FIGS. 8 A- 8 I show the drive mechanism 200 of the safety device 1 being arranged on the weapon's backstrap 4 .
- said drive mechanism 200 is based on a motor-spindle-pusher assembly, in particular comprising:
- the firing position means that the weapon is ready to fire, with a shot being fired only if the shooter pulls the trigger 10 .
- the motor 201 is housed in the central axis of the backstrap 4 , since this is the area where there is more space for housing the motor 201 , as shown in FIGS. 8 F, 8 G and 8 H .
- a change of axis is required, which in this case is done through the pusher 203 in the backstrap 4 area, as shown in FIG. 8 B .
- said change of axis is done in other areas depending on the available space and morphology of each weapon.
- the axis can be changed by the safety element itself.
- the drive mechanism 200 may also at least comprise a magnet 205 and a magnetic sensor 206 as a Hall sensor like shown in FIG. 8 H , both the magnet 205 and the magnetic sensor 206 being coupled on a fixed PCB. Said magnet 205 and magnetic sensor 206 make possible for a user to know the position of the pusher 203 , which is important for the following reasons:
- a second magnetic sensor is arranged, so that if someone, knowing that the state of the safety device is magnetically detected, wants to cause a malfunction of the status indication and brings a magnet closer to the safety device, that external magnetic field that can interfere with the status indication can be detected, and therefore it is possible to put the weapon in a safe position.
- the position of the safety device is made known by means of e.g. one or more mechanical stops, one or more infrared sensors, among other means for implementing such function.
- the drive mechanism 200 further comprises an elastic element 207 , which is a compression spring as seen in FIGS. 8 H, 8 I .
- Said elastic element 207 is located between the pusher 203 and the housing 204 of the drive mechanism 200 to counteract the force exerted by the original spring 6 of the trigger bar 20 of the weapon, which makes the trigger bar 20 to be in its highest position by default.
- Said original spring 6 is shown in FIG. 1 A .
- the trigger bar 20 is by default in its highest position (firing position), as seen in FIG. 4 A , the passage from safe position to firing position is smoother than the opposite movement (passage from firing position to safe position).
- This conventional situation makes the shooter feel insecure because when the order to move from firing to safe position is commanded, the motor 201 has to make a bigger effort than when moving from safe to firing position. Therefore, the elastic element 207 mentioned above is capable of counteracting the original spring 6 force of the trigger bar 20 , said elastic element 207 making force in the opposite direction to the original spring 6 so that the passage from firing to safe position is less abrupt.
- FIG. 8 C shows a cross-section of the rear area of a weapon including the safety device 1 according to embodiments of the disclosure, wherein the particular location and dimensions of the safety element 100 can be appreciated.
- a battery is housed in the backstrap 4 of the weapon, so that both the drive mechanism 200 and the battery are housed in said backstrap 4 .
- the backstrap 4 can also include control or identification electronics.
- the battery and other electronic control components can be housed in other parts of the weapon. More in particular, according to the preferred embodiment of FIG. 9 A , said control system 300 comprises:
- the weapon can be controlled in different ways, to avoid accidental firing. More specifically, the weapon can be controlled:
Abstract
A reliable and robust electromechanical safety device maximises the security of a weapon by preventing accidental firing situations. The safety device includes a safety element for connecting or disconnecting a kinematic shooting chain; the safety element is arrangeable inside the weapon at its rear part, connecting with the trigger bar and the backstrap of the weapon. Therefore, by controlling the position of the trigger bar, it is possible to control the safe and firing position of the weapon, in addition to, and independent of, the other original weapon safeties.
Description
- This application is based on and claims priority under 35 U.S.C. § 119 to EPO patent application EP21382559.9 filed on 25 Jun. 2021, which is hereby incorporated by reference in its entirety for all purposes.
- The present disclosure refers to the technical field of weapons, and more specifically to safety arrangements for firing weapons.
- More particularly the invention relates to a reliable safety device for weapons, a drive mechanism, a control system for the same, a weapon and a method involving the safety device, said safety device being capable of being controlled by the shooter, by a third person, by another transmitting device like a bracelet or by an emitter located in a region surrounding a target and a receiving device located in the weapon.
- At present, electromechanical security systems for firearms are widely known. These systems allow the user/shooter to ensure that his weapon will not fire accidentally, which can have fatal consequences.
- Transition from the firing position to safe position is commonly made by disconnection of the kinematic shooting chain. As can be clearly appreciated in
FIGS. 1A, 1B , corresponding to the state of the art, said kinematic shooting chain comprises basically the following pieces: thetrigger 10, thetrigger bar 20, thestriker safety lever 30, thestriker safety 40, thesear 50 and thestriker 60 or firing pin. More specifically, the operation of the main parts involved in the weapon's shooting mechanism is as follows: when thetrigger 10 is pulled, it moves thetrigger bar 20 by means of aspring 6, as represented inFIG. 1A , wherein thetrigger bar 20 in turn moves (through an upper protrusion) thestriker safety lever 30. Saidstriker safety lever 30 has two functions, its upper front zone releases thestriker safety 40 and its lower rear zone acts on thesear 50, which is the one that finally releases thestriker 60, producing the shot. - In this sense, some examples of shooting mechanisms can be observed in U.S. Pat. Nos. 8,371,058B2 and 8,495,832B2, which relate, in particular, to safety mechanisms for the disassembly of a handgun without triggering.
- Generally, it is known that the upper protrusion of the
trigger bar 20 drops/lows whenever the weapon slide is not completely closed, said closed position being the natural position of the slide, in which it is aligned with the frame. This downward movement of thetrigger bar 20 is carried out to avoid that shots can be fired without the slide being completely closed. This occurs in weapons because the slide has an area or footprint that houses the upper protrusion of thetrigger bar 20. Thus, as soon as the slide is opened, its displacement is what causes thetrigger bar 20 to be in its lowest position and cannot interact with the rest of the kinematic shooting chain, so regardless of whether the trigger is pulled, a shot is not produced. - However, fatal accidents still occur today as a result of defective safety mechanisms, which are clearly improvable. For this reason, additional safety mechanisms, which are truly effective and infallible, are always desirable in firearms, in order to reduce as much as possible the situations of accidental firing by mistake.
- The present disclosure solves the above-mentioned drawbacks by providing a reliable and robust electromechanical safety device that maximises the security of the weapon by preventing accidental firing situations. Furthermore, a drive mechanism and a control system for the safety device are also provided, the latter being capable of being controlled by the shooter or by a third person. A weapon including a safety device and a method for arranging a safety device in a weapon are also disclosed.
- In the context of this application, by weapon it is meant any small arm or light weapon, such as a firearm, gun, shotgun, air gun, machine gun, pistol, rifle, revolver, etc. and non-lethal weapon or archery weapon as well. In some embodiments, the weapon is a weapon with a striker fired system, e.g., a pistol with a striker fired system.
- Besides, just for clarifying, when the term “safe position” is mentioned in this application, it means that the weapon is disabled, and even if the shooter pulls the trigger there is no shot. On the other hand, when “firing position” is mentioned, it means that the weapon is enabled, that is, in the case that the rest of the original weapon locks are enabled, if the shooter pulls the trigger a shot is produced.
- The safety device of the disclosure is applicable to weapons having a frame, a slide, a backstrap and a magazine or grip, wherein the transition of the weapon from a firing position to a safe position is made by disconnection of the kinematic shooting chain of the weapon, said kinematic shooting chain comprising a trigger, a trigger bar operated by the trigger and displaceable between a high position and a low position (also referred to as first position and second position), a striker safety lever, a striker safety, a sear and a striker.
- More specifically, the safety device of the disclosure comprises a safety element for connecting or disconnecting the kinematic shooting chain; wherein said safety element is configured to connect with the trigger bar and the backstrap of the weapon whenever the safety element is located inside the weapon, thus, when said safety element is located inside the weapon at its rear part, it connects with the trigger bar and the backstrap of the weapon.
- In this way, when the weapon is in the firing position and the safety element is operated, the safety element acts on the trigger bar causing said trigger bar to move downwardly to its low position or second position, so the trigger bar does not contact the rest of the kinematic shooting chain, so regardless of whether the trigger is pulled, a shot is not produced.
- On the other hand, when the weapon is in the safe position and the safety element is operated, the safety element acts on the trigger bar causing said trigger bar to move upwardly to its high position or first position, so the trigger bar does contact the rest of the kinematic shooting chain, so a shot can be produced when the trigger is pulled.
- Therefore, by controlling the position of the trigger bar, which is attained by operating the safety element, it is possible to control the safe or firing position of the weapon, in addition to, and independent of, the other original weapon safeties, if any.
- Preferably, the safety element is a rod comprising: an upper protruding section, which is arrangeable inside the weapon such that, preferably, the upper protruding section is in contact with the trigger bar whenever it is located inside the weapon; a lower protruding section, which is arrangeable in the backstrap of the weapon such that the lower protruding section projects outwards from said backstrap whenever it is located inside the weapon, said lower protruding section being operable by a user; and a central section located between both protruding sections.
- More preferably, said safety element is made from steel, especially indicated for its tenacity and hardness. The steel can be a stainless or with some later treatment. However, in some embodiments, the safety element is made by a different metallic material or even made in plastic.
- According to a preferable embodiment of the disclosure, the upper protruding section of the safety element is longer than the lower protruding section. This is not a trivial or random feature, but it pursues a well-identified objective. More specifically, the length of the upper protruding section is such that it allows the trigger bar to move (forward and backward) when the trigger is at rest position (not pulled) or when the trigger is pulled, in both, the safe and firing positions. This feature is critical in the firing position, since, if the upper protruding section is not long enough, when the trigger is pulled, the trigger bar would be released from the safety element, transmitting its movement to the rest of the kinematic shooting chain and possibly producing a shot, while the shooter thinks that the gun is in a safe position, resulting in a serious safety problem.
- However, in accordance with another preferred embodiment, the safety element comprises an elastic piece, or, alternatively, the safety element itself is flexible, both options allowing the trigger bar to descend, i.e. move downwards, independently from the safety element.
- The positions of the safety element and the trigger bar in the fire position and the safe position will be explained in detail later on and shown in the figures. Furthermore, the lower protruding section of the safety element is controlled from the backstrap as explained also later.
- In some embodiments, the safety element further comprises a drive mechanism as described, for example, with reference to the second aspect below.
- In some embodiments, the safety element further comprises a control system as described, for example, with reference to the third aspect below.
- According to a second aspect of the disclosure, a drive mechanism of the safety device is described, said drive mechanism comprising a motor; a spindle attached to the motor; a pusher coupled to the spindle and configured for raising (to put the weapon in the firing position) or lowering (to put the weapon in the safe position) the safety element; and a housing on which the motor and the spindle are mounted, said housing being couplable or coupled to the weapon's backstrap.
- Preferably, the drive mechanism also comprises at least a magnet and a magnetic sensor, both attached to the pusher. Said elements, magnet and magnetic sensor allow to know the position of the pusher, which is relevant for many reasons explained below.
- More preferably, the drive mechanism further comprises an elastic element, located between the pusher and the housing, to counteract the force exerted by the original spring of the trigger bar of the weapon, which makes the trigger bar position to be in its highest position by default. This feature allows that the passage from firing to safe position is less abrupt.
- On the other hand, according to a third aspect of the disclosure, a control system of the safety device is described.
- Said control system comprises at least one flexible PCB (Printed Circuit Board), which by being flexible allows adaption and fitting of the PCB inside the weapon regardless of limited space available and/or the shape of the weapon; an LED status indicator, connected to the at least one flexible PCB; a battery; a main communication circuit attached to the battery; and an electrical connection, between the main communication circuit and the flexible PCB.
- The advantage of introducing electronics in weapon safeties is that it allows the weapon to be controlled in different ways, to avoid accidental firing.
- Preferably, the battery is located under the front area of the weapon's frame. However, according to another embodiment, the battery is housed or adapted for housing on the backstrap of the weapon.
- A fourth aspect of the disclosure provides a weapon with a striker fired system like, for example but without limitation, a pistol with a striker fired system.
- The weapon comprises: a frame; a slide; a backstrap; a magazine or grip; a kinematic shooting chain; and a safety device according to the present disclosure. The kinematic shooting chain in turn comprises: a trigger: a trigger bar operated by the trigger and displaceable between a high position or first position and a low position or second position; a striker safety lever; a striker safety; a sear and a striker. The weapon transitions from a firing position to a safe position by disconnection of the kinematic shooting chain.
- Another aspect of the disclosure provides a method. The method comprises: arranging a weapon comprising: a frame, a slide, a backstrap, a magazine or grip, and a kinematic shooting chain, the kinematic shooting chain comprising: a trigger, a trigger bar operated by the trigger and displaceable between a high position and a low position, a striker safety lever, a striker safety, a sear and a striker; arranging a safety device comprising a safety element in the weapon; when the weapon is in a firing position, operating the safety element such that the safety elements acts on the trigger bar thereby causing said trigger bar to move downwardly to a low position at which the trigger bar does not contact the rest of the kinematic shooting chain, thereby transitioning the weapon to a safe position so a shot cannot be produced when the trigger is pulled; and when the weapon is in the safe position, operating the safety element such that the safety element acts on the trigger bar thereby causing said trigger bar to move upwardly to a high position at which the trigger bar does contact the rest of the kinematic shooting chain, thereby transitioning the weapon to the firing position so a shot can be produced when the trigger is pulled.
- Preferably, the safety device is a safety device according to the present disclosure. Preferably, the weapon is a weapon according to the fourth aspect.
- For a better understanding the above explanation and for the sole purpose of providing an example, some non-limiting drawings are included that schematically depict practical embodiments.
-
FIGS. 1A-1B show a conventional weapon's shooting mechanism and the main elements of the kinematic shooting chain. -
FIG. 2 shows a detailed view of a weapon including the safety device according to embodiments of the present disclosure, in particular showing the interaction between the safety element and the trigger bar. -
FIGS. 3A-3C show the positions of the safety element and the trigger bar in the firing and the safe positions of the weapon. A detail view of both overlapping positions is shown inFIG. 3C . -
FIGS. 4A-4D show the positions of the safety element and the trigger bar during the weapon's shooting sequence. -
FIG. 5 shows a side view of a weapon including a safety device according to embodiments of the disclosure, wherein the different areas of the safety element can be appreciated, according to a preferred embodiment of the disclosure. -
FIG. 6 shows a perspective view of the safety element ofFIG. 5 . -
FIG. 7 shows a detail view of the upper protruding section of the safety element, showing its length with respect the trigger bar. -
FIGS. 8A-8I show the drive mechanism of the safety device from the weapon's backstrap, according to a preferred embodiment of the disclosure. -
FIGS. 9A-9C show the electronic control system of the safety device according to a preferred embodiment of the disclosure. - As shown in the detailed view of
FIG. 2 , the proposedsafety device 1 comprises asafety element 100 for connection or disconnection of a kinematic shooting chain; wherein saidsafety element 100 is located inside the weapon in its rear part, connecting with (i.e. contacting) thetrigger bar 20 and the backstrap 4 of the weapon, as can be appreciated inFIGS. 3A and 3B . - Thus, when the weapon is in the firing position, as seen in
FIGS. 3A and 4A , and thesafety element 100 is operated, thesafety element 100 acts on thetrigger bar 20, causing saidtrigger bar 20 to move downwardly to its low position, as shown inFIG. 4C . Consequently, thetrigger bar 20 does not contact the rest of the kinematic shooting chain, so regardless of whether thetrigger 10 is pulled, as seen inFIG. 4D , a shot is not produced. - On the other hand, when the weapon is in the safe position, as seen in
FIGS. 3B and 4C , and thesafety element 100 is operated, thesafety element 100 acts on thetrigger bar 20, causing saidtrigger bar 20 to move upwardly to its high position, as shown inFIG. 4A . In this situation, thetrigger bar 20 contacts the rest of the kinematic shooting chain, so a shot can be produced when thetrigger 10 is pulled, as can be observed inFIG. 4B . -
FIG. 3C shows a detail view of the overlapping positions of thetrigger bar 20 and the upper protrudingsection 101 of thesafety element 100, both in the firing position and in the safe position of the weapon, the movement being indicated by the arrows for the sake of clarity only. - By default, as can be observed in
FIG. 4A , thetrigger bar 20 is in its rearmost and highest position possible, due to a weapon'sspring 6 like that shown inFIG. 1A . This is the trigger bar's 20 position when thesafety element 100 is at rest (firing position) and thetrigger 10 is not pulled. If thetrigger 10 is pulled from this position, a shot is fired, as appreciated inFIG. 4B , omitting the rest of the weapon's safeties for the sake of clarity only. - Therefore, in both
FIGS. 4A, 4B , the position of the weapon is a firing position, namely the weapon is enabled, and it depends on whether a user pulls thetrigger 10 that a shot occurs. In both positions shown inFIGS. 4A, 4B , thesafety element 100 is in its highest position, which corresponds to the firing position of the weapon. - On the other hand, in
FIGS. 4C, 4D , the weapon is in a safe position, i.e. disabled, so even if the shooter pulls thetrigger 10, no shot is fired. This is because thesafety element 100 is in its lowest position, which corresponds to the safe position of the weapon. - More in particular, in
FIG. 4C thetrigger 10 has not been pulled and is therefore in its most rearward position.FIG. 4D shows when thetrigger 10 is being pulled and is therefore, temporarily, in its most forward position. - Notwithstanding the above, the weapon shall continue functioning as it originally did, so the
trigger bar 20 shall have the possibility of dropping whenever theslide 3 is open. Furthermore, thesafety element 100 might not require to be always in contact with thetrigger bar 20 to allow the original operation of the weapon. - As represented in
FIGS. 5 and 6 , both the upper and lower protrudingsections safety element 100 are oriented towards the rear part of the weapon, in the opposite direction to the direction of the shot. In this sense and in relation to these exemplary embodiments, it should be noted that the location of thesections safety element 100 has been specifically designed to adapt to the particular morphology of the weapon, taking into account the small dimensions of a weapon (a gun in particular) and the limited space available therein. - More specifically, according to a preferred embodiment of the disclosure, the upper protruding
section 101 of thesafety element 100 forms an angle of less than 90° with thecentral section 103, preferably 75° as shown inFIGS. 5 and 6 . This feature is relevant since it takes into account both that the main axis of thesafety element 100 is parallel to the magazine orgrip 5 axis and that the upper protrudingsection 101 axis takes into account the position of thetrigger bar 20. - The
lower protruding section 102 of thesafety element 100 forms an angle of 90° with thecentral section 103. This is also relevant because it eases and simplifies the assembly of thedrive mechanism 200, as it will be explained later. - As mentioned above and shown in
FIG. 6 , the upper protrudingsection 101 of thesafety element 100 is longer than the lower protrudingsection 102 such that thetrigger bar 20 is capable of moving (forward and backward), as seen inFIG. 7 , when thetrigger 10 is at rest position, namely not pulled as shown inFIGS. 4A, 4C , as well as when thetrigger 10 is pulled, in both the safe and firing positions, as shown inFIGS. 4B, 4D . -
FIGS. 8A-8I show thedrive mechanism 200 of thesafety device 1 being arranged on the weapon's backstrap 4. According to a preferred embodiment of the disclosure, saiddrive mechanism 200 is based on a motor-spindle-pusher assembly, in particular comprising: -
- a
motor 201; - a
spindle 202 attached to themotor 201; - a
pusher 203 coupled to thespindle 202, as shown inFIGS. 8D and 8E , configured for raising (to a firing position) or lowering (to a safe position) thesafety element 100; and - a
housing 204 on which themotor 201 and thespindle 202 are mounted, said housing being coupled to the weapon's backstrap 4.
- a
- As explained above, the firing position means that the weapon is ready to fire, with a shot being fired only if the shooter pulls the
trigger 10. Taking advantage of the geometry of the original backstrap 4 of a weapon, preferably themotor 201 is housed in the central axis of the backstrap 4, since this is the area where there is more space for housing themotor 201, as shown inFIGS. 8F, 8G and 8H . - In this sense, provided that the
trigger bar 20 is usually not located on the axis of the backstrap 4, as seen inFIG. 8H , a change of axis is required, which in this case is done through thepusher 203 in the backstrap 4 area, as shown inFIG. 8B . In some embodiments, said change of axis is done in other areas depending on the available space and morphology of each weapon. For example, the axis can be changed by the safety element itself. - Furthermore, the
drive mechanism 200 may also at least comprise amagnet 205 and amagnetic sensor 206 as a Hall sensor like shown inFIG. 8H , both themagnet 205 and themagnetic sensor 206 being coupled on a fixedPCB. Said magnet 205 andmagnetic sensor 206 make possible for a user to know the position of thepusher 203, which is important for the following reasons: -
- By knowing the position of the
pusher 203 in the assembly process of thesafety device 1, the pusher can be aligned with thesafety element 100, since the latter must be mounted in the safe position. It is required to know where thepusher 203 is so that both elements are in the same position, thereby allowing a safe assembly that avoids accidental shooting. - In addition, the knowledge of the position of the
pusher 203 allows to know the position of the weapon's safety and to warn in case of failure of the mechanical part of the safety. For example, if the motor-spindle-pusher assembly fails (it does not move enough, battery failure, and so on), the sensor reading allows anticipation and sending of a failure alert to the weapon user (for example, by means of an indicator or lighting device like e.g. an LED visible from the shooting position).
- By knowing the position of the
- According to another embodiment, a second magnetic sensor is arranged, so that if someone, knowing that the state of the safety device is magnetically detected, wants to cause a malfunction of the status indication and brings a magnet closer to the safety device, that external magnetic field that can interfere with the status indication can be detected, and therefore it is possible to put the weapon in a safe position.
- In other embodiments, the position of the safety device is made known by means of e.g. one or more mechanical stops, one or more infrared sensors, among other means for implementing such function.
- The
drive mechanism 200 further comprises anelastic element 207, which is a compression spring as seen inFIGS. 8H, 8I . Saidelastic element 207 is located between thepusher 203 and thehousing 204 of thedrive mechanism 200 to counteract the force exerted by theoriginal spring 6 of thetrigger bar 20 of the weapon, which makes thetrigger bar 20 to be in its highest position by default. Saidoriginal spring 6 is shown inFIG. 1A . - Regarding the above, as the
trigger bar 20 is by default in its highest position (firing position), as seen inFIG. 4A , the passage from safe position to firing position is smoother than the opposite movement (passage from firing position to safe position). This conventional situation makes the shooter feel insecure because when the order to move from firing to safe position is commanded, themotor 201 has to make a bigger effort than when moving from safe to firing position. Therefore, theelastic element 207 mentioned above is capable of counteracting theoriginal spring 6 force of thetrigger bar 20, saidelastic element 207 making force in the opposite direction to theoriginal spring 6 so that the passage from firing to safe position is less abrupt. -
FIG. 8C shows a cross-section of the rear area of a weapon including thesafety device 1 according to embodiments of the disclosure, wherein the particular location and dimensions of thesafety element 100 can be appreciated. - According to a preferred embodiment of the disclosure, not shown in the figures, a battery is housed in the backstrap 4 of the weapon, so that both the
drive mechanism 200 and the battery are housed in said backstrap 4. Furthermore, the backstrap 4 can also include control or identification electronics. - Optionally, as shown in
FIGS. 9A-9C , referring to theelectronic control system 300 of thesafety device 1, the battery and other electronic control components can be housed in other parts of the weapon. More in particular, according to the preferred embodiment ofFIG. 9A , saidcontrol system 300 comprises: -
- at least one flexible PCB 301 (Printed Circuit Board);
- an
LED status indicator 302, connected to theflexible PCB 301; - a
battery 303, shown inFIG. 9C , which in this embodiment is located under the front area of the weapon'sframe 2; - a
main communication circuit 304 attached to thebattery 303; and - an
electrical connection 305, shown inFIG. 9B , between themain communication circuit 304 and theflexible PCB 301.
- As mentioned above, introducing electronics in weapon safeties allows the weapon to be controlled in different ways, to avoid accidental firing. More specifically, the weapon can be controlled:
-
- By a controlling user other than the weapon user. For example, the controlling user has a controller (or even a mobile phone) that communicates wirelessly via RF (radiofrequency) with the electronics embedded in the weapon. The controller sends the order to change to safe position or firing position to the device embedded in the weapon and it acts on the safety device to place it in the corresponding position.
- By another transmitting device (for example, located in a bracelet that carries the user of the weapon) that communicates with the device embedded in the weapon. In this way, the weapon only moves from safe position to firing position when the user of the weapon carries the bracelet. This implementation prevents the weapon from being used against the authorized user.
- By an emitter located in a region surrounding a target and a receiving device located in the weapon, so that it can only be fired when pointing at the target area.
- This is important in shooting galleries, for training purposes to prevent unexperienced users from having accidents or to avoid misuse (e.g. a shooter shoots at the target of the other lanes).
- Even though reference has been made to specific embodiments of the disclosure, it is obvious for a person skilled in the art that the safety devices described herein are support numerous variations and modifications, and that all the details mentioned can be substituted for other technically equivalent ones without departing from the scope of protection defined by the attached claims.
Claims (20)
1. A safety device for a weapon that has a transition from a firing position to a safe position by disconnection of a kinematic shooting chain of the weapon, said kinematic shooting chain comprising: a trigger, a trigger bar operated by the trigger and displaceable between a high position and a low position, a striker safety lever, a striker safety, a sear and a striker;
the safety device comprising a safety element configured to connect or disconnect the kinematic shooting chain;
wherein said safety element is configured, when located inside the weapon, to connect with the trigger bar and a backstrap of the weapon, such that:
when the weapon is in the firing position and the safety element is operated, the safety element acts on the trigger bar causing said trigger bar to move downwardly to the low position, so the trigger bar does not contact the rest of the kinematic shooting chain, so regardless of whether the trigger is pulled a shot is not produced; and
when the weapon is in the safe position and the safety element is operated, the safety element acts on the trigger bar causing said trigger bar to move upwardly to the high position, so the trigger bar does contact the rest of the kinematic shooting chain, so a shot can be produced when the trigger is pulled.
2. The safety device of claim 1 , wherein the safety element is a rod comprising:
an upper protruding section;
a lower protruding section operable by a user; and
a central section located between both protruding sections.
3. The safety device of claim 2 , wherein the upper protruding section is arrangeable inside the weapon, and the lower protruding section is arrangeable in the backstrap of the weapon such that it projects outwards from the backstrap.
4. The safety device of claim 2 , wherein the upper protruding section of the safety element is longer than the lower protruding section so that the trigger bar is capable of moving when the trigger is at rest position, not pulled, as well as when the trigger is pulled, in both the safe and the firing positions.
5. The safety device of claim 1 , wherein the safety element comprises an elastic piece for allowing the trigger bar to descend independently from the safety element.
6. The safety device of claim 1 , wherein the safety element is flexible for allowing the trigger bar to descend independently from the safety element.
7. The safety device of claim 2 , wherein the central section of the safety element is arranged on an axis parallel to a central axis of the weapon's magazine or grip.
8. The safety device of claim 2 , wherein both the upper and lower protruding sections of the safety element are arrangeable such that they are oriented towards a rear part of the weapon, in the opposite direction to the direction of the shot.
9. The safety device of claim 8 , wherein the upper protruding section of the safety element forms an angle of less than 90° with the central section.
10. The safety device of claim 8 , wherein the lower protruding section of the safety element forms an angle of 90° with the central section.
11. The safety device of claim 1 , further comprising a drive mechanism, the drive mechanism comprising:
a motor;
a spindle attached to the motor;
a pusher coupled to the spindle and configured to raise the safety element of the safety device to the firing position, and the pusher further configured to lower the safety element to the safe position; and
a housing on which the motor and the spindle are mounted, said housing being couplable to the weapon's backstrap.
12. The safety device of claim 11 , wherein the drive mechanism further comprises at least: a fixed printed circuit board; a magnet and; a magnetic sensor; wherein both the magnet and the magnetic sensor are coupled on the fixed printed circuit board.
13. The safety device of claim 11 , further comprising an elastic element located between the pusher and the housing.
14. The safety device of claim 13 , wherein the elastic element is a compression spring.
15. The safety device of claim 1 , further comprising a control system, the control system comprising:
at least one flexible printed circuit board;
an LED status indicator connected to the at least one flexible printed circuit board;
a battery;
a main communication circuit attached to the battery; and
an electrical connection, between the main communication circuit and the at least one flexible printed circuit board.
16. A weapon comprising:
a frame;
a slide;
a backstrap;
a magazine or grip;
a kinematic shooting chain comprising: a trigger, a trigger bar operated by the trigger and displaceable between a high position and a low position, a striker safety lever, a striker safety, a sear and a striker; and
a safety device comprising a safety element configured to connect or disconnect the kinematic shooting chain;
wherein the weapon transitions from a firing position to a safe position by disconnection of the kinematic shooting chain;
wherein said safety element is configured to connect with the trigger bar and the backstrap such that:
when the weapon is in the firing position and the safety element is operated, the safety element acts on the trigger bar causing said trigger bar to move downwardly to the low position, so the trigger bar does not contact the rest of the kinematic shooting chain so regardless of whether the trigger is pulled, a shot is not produced; and
when the weapon is in the safe position and the safety element is operated, the safety element acts on the trigger bar causing said trigger bar to move upwardly to the high position, so the trigger bar does contact the rest of the kinematic shooting chain so a shot can be produced when the trigger is pulled.
17. The weapon of claim 16 , wherein the safety element is a rod comprising:
an upper protruding section;
a lower protruding section located in the backstrap, the lower protruding section projecting outwards from the backstrap and being operable by a user; and
a central section located between both protruding sections.
18. The weapon of claim 16 , wherein the weapon or the safety device further comprises a drive mechanism, the drive mechanism comprising:
a motor;
a spindle attached to the motor;
a pusher coupled to the spindle and configured to raise the safety element of the safety device to the firing position, and the pusher further configured to lower the safety element to the safe position; and
a housing on which the motor and the spindle are mounted, said housing being coupled to the backstrap.
19. The weapon of claim 16 , wherein the weapon or the safety device further comprises a control system, the control system comprising:
at least one flexible printed circuit board;
an LED status indicator connected to the at least one flexible printed circuit board;
a battery;
a main communication circuit attached to the battery; and
an electrical connection, between the main communication circuit and the at least one flexible printed circuit board.
20. A method comprising:
arranging a weapon comprising: a frame, a slide, a backstrap, a magazine or grip, and a kinematic shooting chain, the kinematic shooting chain comprising: a trigger, a trigger bar operated by the trigger and displaceable between a high position and a low position, a striker safety lever, a striker safety, a sear and a striker;
arranging a safety device comprising a safety element in the weapon;
when the weapon is in a firing position, operating the safety element such that the safety elements acts on the trigger bar thereby causing said trigger bar to move downwardly to a low position at which the trigger bar does not contact the rest of the kinematic shooting chain, thereby transitioning the weapon to a safe position so a shot cannot be produced when the trigger is pulled; and
when the weapon is in the safe position, operating the safety element such that the safety element acts on the trigger bar thereby causing said trigger bar to move upwardly to a high position at which the trigger bar does contact the rest of the kinematic shooting chain, thereby transitioning the weapon to the firing position so a shot can be produced when the trigger is pulled.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP21382559.9A EP4109030A1 (en) | 2021-06-25 | 2021-06-25 | Safety device for weapons, drive mechanism and control system for said safety device |
EP21382559.9 | 2021-06-25 |
Publications (1)
Publication Number | Publication Date |
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US20220412682A1 true US20220412682A1 (en) | 2022-12-29 |
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ID=76890956
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US17/848,790 Abandoned US20220412682A1 (en) | 2021-06-25 | 2022-06-24 | Safety device for weapons, drive mechanism and control system for said safety device |
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US (1) | US20220412682A1 (en) |
EP (1) | EP4109030A1 (en) |
Cited By (4)
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US11692783B2 (en) * | 2019-09-18 | 2023-07-04 | LodeStar Firearms, Inc. | Firearm safety mechanisms, visual safety indicators, and related techniques |
US11920880B2 (en) | 2019-09-18 | 2024-03-05 | LodeStar Firearms, Inc. | Firearm safety mechanisms, visual safety indicators, and related techniques |
US11933560B2 (en) | 2019-09-18 | 2024-03-19 | LodeStar Firearms, Inc. | Firearm safety mechanisms, visual safety indicators, and related techniques |
US11933558B2 (en) | 2019-09-18 | 2024-03-19 | LodeStar Firearms, Inc. | Firearm safety mechanisms, visual safety indicators, and related techniques |
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US11692783B2 (en) * | 2019-09-18 | 2023-07-04 | LodeStar Firearms, Inc. | Firearm safety mechanisms, visual safety indicators, and related techniques |
US11920880B2 (en) | 2019-09-18 | 2024-03-05 | LodeStar Firearms, Inc. | Firearm safety mechanisms, visual safety indicators, and related techniques |
US11933560B2 (en) | 2019-09-18 | 2024-03-19 | LodeStar Firearms, Inc. | Firearm safety mechanisms, visual safety indicators, and related techniques |
US11933558B2 (en) | 2019-09-18 | 2024-03-19 | LodeStar Firearms, Inc. | Firearm safety mechanisms, visual safety indicators, and related techniques |
Also Published As
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EP4109030A1 (en) | 2022-12-28 |
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