US20030079731A1 - Spring assist for launch from compressed gas gun - Google Patents
Spring assist for launch from compressed gas gun Download PDFInfo
- Publication number
- US20030079731A1 US20030079731A1 US10/313,465 US31346502A US2003079731A1 US 20030079731 A1 US20030079731 A1 US 20030079731A1 US 31346502 A US31346502 A US 31346502A US 2003079731 A1 US2003079731 A1 US 2003079731A1
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- United States
- Prior art keywords
- gun
- compressed gas
- slider
- hammer
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/50—Magazines for compressed-gas guns; Arrangements for feeding or loading projectiles from magazines
- F41B11/52—Magazines for compressed-gas guns; Arrangements for feeding or loading projectiles from magazines the projectiles being loosely held in a magazine above the gun housing, e.g. in a hopper
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/50—Magazines for compressed-gas guns; Arrangements for feeding or loading projectiles from magazines
- F41B11/57—Electronic or electric systems for feeding or loading
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/70—Details not provided for in F41B11/50 or F41B11/60
- F41B11/71—Electric or electronic control systems, e.g. for safety purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/70—Details not provided for in F41B11/50 or F41B11/60
- F41B11/72—Valves; Arrangement of valves
- F41B11/721—Valves; Arrangement of valves for controlling gas pressure for both firing the projectile and for loading or feeding
Definitions
- This invention generally relates to compressed gas-powered guns and more specifically to guns for firing marker projectiles such as “paint balls.”
- marking guns are well-known.
- a projectile which is generally in the shape of a sphere.
- This projectile is constructed of a thin wall which will readily break upon impact against a target.
- Typical material for the wall of the projectile would be a gelatin.
- Within the wall of the projectile is contained a quantity of a liquid such as a colored paint. Typical paint colors would be blue, green or yellow.
- This present invention is a spring in a compressed gas powered gun, which spring simultaneously operates on the actuator for a firing valve in a compressed gas storage chamber and the bolt in a breech in launching a projectile from a compressed gas powered gun.
- the spring assists the action of low pressure gas on a hammer and slider which actuate the firing valve.
- the spring also assists in the acceleration and movement of the bolt. This assistance of the spring on the hammer/slider and the bolt results in increased firing rate, and increased reliability and consistency of shots.
- FIG. 1 is a side, schematic view of one embodiment of the present invention showing the invented gun in the cocked position.
- FIG. 2 is a side, schematic view of another embodiment of the present invention showing the invented gun in the firing position.
- FIG. 3 is a side, schematic view of a pneumatic gas cylinder assembly according to the present invention.
- FIG. 4 is a side, schematic view of a section of the pressure routing system.
- the gun includes, generally, a grip 45 ; a body, including an upper main housing 3 and a lower main housing 1 ; a barrel 10 ; a bore 5 ; a bolt 9 within a breech; a hammer chamber 2 ; a pneumatic gas cylinder 34 ; a slider 33 ; and a trigger 24 .
- a grip 45 a body, including an upper main housing 3 and a lower main housing 1 ; a barrel 10 ; a bore 5 ; a bolt 9 within a breech; a hammer chamber 2 ; a pneumatic gas cylinder 34 ; a slider 33 ; and a trigger 24 .
- forward indicates being towards the outer, open, free end of the barrel 10 extending from the upper main housing 3 of the gun.
- “Rearward” indicates the opposite direction of “forward.”
- a projectile feed tube 6 opens into the barrel 10 , said projectile feed tube 6 for supplying the barrel 10 with projectiles 100 , which are preferably spherical in form and contain a marking fluid.
- projectiles 100 which are preferably spherical in form and contain a marking fluid.
- a conventional projectile retention lever biased by a spring allows only one projectile 100 to enter the barrel 10 at a time.
- the hammer chamber 2 holds a hammer 32 which is integrally attached to the forward end of the slider 33 .
- Slider 33 is horizontally and reciprocally moveable within gas cylinder 34 from a cocked position, as shown in FIG. 1, to a firing position, as shown in FIG. 2, through the use of spring bias and compressed gas.
- the slider 33 is cocked by means of an electronic solenoid actuated 4-way valve 65 located in the lower main housing 1 .
- a manifold 8 connects the 4-way valve 65 to the pneumatic gas cylinder 34 .
- a link pin 41 circular in cross-section, extends between and connects the bolt 9 to the hammer 32 .
- the bolt 9 is held within the gun through use of the link pin 41 , attached to the hammer 32 . Removal of the link pin 41 allows the bolt 9 to be removed from the gun. This may be done for routine maintenance.
- the link pin 41 is held in place by means of a bolt retention spring 76 .
- a main compression spring 71 extends between the slider 33 and an end-cap 35 which is attached at the rearward end of the gas cylinder 34 .
- a solid main spring guide 36 rests within the cylinder 34 between the slider 33 and the end-cap 35 , said guide 36 for receiving the coiled main compression spring 71 .
- Slider 33 is biased forward to a firing position by the main compression spring 71 and compressed gas (not shown).
- the shock of the hammer 32 is dampened both as the hammer 32 moves forward into the firing position and as it returns to a recocked position.
- the forward motion of the hammer 32 is dampened by both the valve spring 72 and the compressed gas surrounding the valve spring 72 .
- the rearward motion of the hammer 32 is dampened by an o-ring 84 located in gas cylinder 34 , between the guide 36 and the end-cap 35 .
- an electronic solenoid activated 4-way valve 65 Releasably holding the slider 33 in a cocked position is an electronic solenoid activated 4-way valve 65 .
- the electronic solenoid 60 is actuated through a micro-switch 61 located rearward of the trigger 24 . Pulling on the trigger 24 sends an electronic signal to a CPU (microprocessor) 64 located in the grip 45 .
- This CPU 64 by means of software determines which of a number of dual in-line package (hereinafter “dip”) switches 63 have been switched on or off, thereby determining the firing rate and mode selected by the user.
- the CPU 64 then, based on firing rate and mode, actuates the solenoid 60 , causing the 4-way valve 65 to shift, causing the slider 33 to be propelled forward under the bias of spring pressure and compressed gas.
- the CPU 64 then deactuates the solenoid 60 causing the 4-way valve 65 to shift, and compressed gas forces the main compression spring 71 to compress thereby recocking the gun.
- a trigger spring 75 forces the trigger 24 back to its original position.
- Compressed gas for propelling projectile 100 and for moving the slider 33 to a firing position is provided from a canister or cylinder (not shown), which may be attached directly to the gun or may be attached to the person operating the gun.
- the gas is fed through a high pressure (hereinafter “HP”) regulator 50 , and then through a passageway through a high pressure adaptor 51 to a cavity, the high pressure storage chamber 210 defined by upper main housing of body 3 .
- HP high pressure
- the high pressure regulator 50 reduces the gas pressure from over 500 pounds per square inch (hereinafter “p.p.s.i.”) to around (hereinafter “ ⁇ ”) 250 p.p.s.i..
- the HP regulator comprises an HP adjustment screw 39 , an HP regulator spring 73 , an HP regulator piston 53 , an HP regulator cup 52 , and an HP regulator cup spring 74 .
- This high pressure regulator 50 further comprises a safety feature forcibly closing the high pressure regulator cup 52 when over 800 or so p.p.s.i. is applied. This closure protects the inner workings of the gun and protects the gun's operator.
- the first valve means is for operating a low pressure (hereinafter “LP”) circuit, including for propelling the slider 33 .
- the second valve means is for operating an HP circuit, including for supplying gas to propel the projectile 100 .
- the first valve means further comprises a LP regulator 54 for reducing pneumatic gas pressure from the ⁇ 250 p.p.s.i. supplied to ⁇ 85 p.p.s.i. This pressurized gas is then channeled to the gas cylinder 34 for the propulsion of the slider 33 upon actuation of the trigger 24 .
- the LP regulator comprises an LP adjustment screw 56 , an LP regulator spring 173 , an LP regulator piston 153 , an LP regulator cup 152 , and an LP regulator cup spring 174 .
- This low pressure regulator 54 further comprises a safety feature forcibly closing the low pressure regulator cup 152 when over 300 or so p.p.s.i. is applied. This closure protects the inner workings of the gun and protects the gun's operator.
- the second valve means includes a horizontally oriented valve stem 29 which is horizontally and reciprocally moveable within the valve stem guide 30 .
- Valve stem 29 is provided with a valve cup 28 engaged by a valve spring 72 , biasing the value cup 28 to a seated position on the valve stem guide 30 to prevent flow of compressed gas from the high pressure storage chamber 210 into the barrel 10 .
- projectile 100 velocity can be maximized through the use of specifically angled surfaces within the gas passage 4 , through which the gas expands as it enters the barrel 10 .
- the gas passage 4 is defined by the continuous conduit extending from the valve cup 28 , through the valve stem guide 30 and the forward portion of the bolt 9 .
- Bolt 9 has an angled port 220 drilled through its forward portion.
- Valve stem guide 30 is the discharge port.
- Bolt 9 with its port 220 is in the breech of the gun. The breech is connected to the rearward port of barrel 10 .
- valve stem guide 30 and the bolt 9 are machined to form a conduit having a specific maximum angle through which the gas expands. It has been found by the inventor that 23 degrees ⁇ 5 degrees is the optimal angle for these surfaces. Use of such angular surfaces allows the present invention to fire a projectile 100 using less than one half the p.p.s.i. of traditional guns at the same firing rate as those guns, without jeopardizing the efficiency, trajectory or range of the projectile 100 . By funneling the gas as it expands through the use of such angular surfaces, resistance is reduced, thereby allowing firing at a high firing rate to be done with lower p.s.i.
- the gun further comprises an electronic system comprising a circuit board 62 containing a microprocessor (CPU) 64 , and a series of dip switches 63 which can be set to control the firing rate and mode of the gun.
- the gun is further programmable so as to allow firing rate and mode limits to be forcibly set.
- Sequential action of the gun may be seen to advantage.
- a projectile 100 is in place within the barrel 10 .
- a second projectile (not shown) is held in place above the barrel 10 and within feed tube 6 by the projectile retention lever (not shown).
- Slider 33 is in the cocked position via the solenoid 60 . It is assumed that the high pressure regulator 50 is in fluid communication with an external compressed gas source (not shown) to fill the high pressure storage chamber 210 with compressed gas.
- the trigger 24 is then pulled, a microswitch 61 is activated sending a signal to the CPU 64 that the user wishes to fire the gun.
- the CPU 64 determines which dip switches 63 have been preset by the user, thereby determining the firing rate and mode of the gun. Upon determining the firing rate and mode, the CPU 64 then directs the solenoid 60 to act accordingly.
- the firing rate and mode of the gun are detailed as follows:
- Rate of fire is dependent on the mode and switch settings of the dip switches. Modes are:
- Mode selection is done via switches #1 and #2. Mode settings using the switches are as follows: #1 #2 off off Semi auto mode on off 3 shot mode off on 6 shot burst mode on on Full auto mode
- Rate of fire and timing is as follows:
- the gun As the solenoid 60 is deactuated, the gun is cocked. As the solenoid 60 is actuated, compressed gas and the main compression spring 71 move the hammer 32 and slider 33 to the firing position, by moving the slider 33 forward with hammer 32 slidably engaging the valve stem 29 . The hammer 32 engages valve stem 29 , thereby unseating the valve cup 28 , causing the release of compressed gas into the gas passage 4 , thereby propelling the projectile 100 through the barrel 10 .
- valve stem 29 is forced inwardly against the bias of valve spring 72 to unseat the valve cup 28 from its seat, thus allowing the compressed gas to enter the barrel 10 .
- Gas entering the barrel 10 progresses through the conduit formed by angular surfaces of the valve stem guide 30 and the port 220 in the forward portion of the bolt 9 , forcing projectile 100 , which has a diameter approximating that of the bore 5 of the barrel 10 , out of the barrel 10 at a velocity dependent upon the gas pressure within the barrel 10 which is controlled by high pressure regulator 50 .
- the solenoid 60 is then deactuated to force the slider 33 and hence hammer 32 back to the recocked position.
- Valve stem 29 is again biased into its seated position by valve spring 72 to prevent further flow of compressed gas into the barrel 10 .
- solenoid 60 Upon deactuation of solenoid 60 , the slider 33 and hence the link pin 41 and bolt 9 are forced back to the recocked position.
- the projectile retention lever (not shown) allows a new projectile 100 to enter barrel 10 and again holds a next projectile (not shown) in place under bias of a spring.
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention is a specially curved discharge port and port within a bolt within the breech for a compressed gas powered gun for the firing of projectiles. The invented gun has many improvements over the prior art including the use of improved gas pressure routing allowing for operation at lower pressures with no decrease in firing rate, efficiency, trajectory, or range. The structure of the present invention provides for embodiments which include the use of specific maximum angles within the gas passage from a compressed gas storage chamber and a portion of the breech through which the gas is routed as it expands to launch a projectile from the gun.
Description
- This application is a continuation-in-part of, and claims priority of, U.S. conventional patent application, Ser. No. 10/185,203, filed Jun. 27, 2002, which claims priority of prior U.S. conventional patent application, Ser. No. 09/528,482, filed Mar. 17, 2000, which claims priority of prior provisional applications, U.S. Provisional Patent Application Serial No. 60/125,302, filed Mar. 19, 1999, and U.S. Provisional Patent Application, Serial No. 60/138,323, filed Jun. 9, 1999, the disclosures of all of which are incorporated herein by this reference.
- 1. Field of the Invention
- This invention generally relates to compressed gas-powered guns and more specifically to guns for firing marker projectiles such as “paint balls.” The use of marking guns is well-known. Within a marking gun, there is employed a projectile which is generally in the shape of a sphere. This projectile is constructed of a thin wall which will readily break upon impact against a target. Typical material for the wall of the projectile would be a gelatin. Within the wall of the projectile is contained a quantity of a liquid such as a colored paint. Typical paint colors would be blue, green or yellow.
- 2. Related Art
- Compressed gas powered guns for the firing of projectiles have long been used. Of more recent use, such guns have been made for the firing of spherical and fragile projectiles containing a colored marking fluid, such projectiles commonly being referred to as “paint balls.” Such guns are typified by other inventions of the Inventor, namely U.S. Pat. No. 5,497,758, showing a compressed gas powered gun. Problems associated with such guns include: dangerously high pressure build-up within the gun, potentially damaging the gun and endangering the user; a mechanical limitation on the cycle time of the firing mechanism, limiting the firing rate of the gun; excessive shock and recoil resulting from reciprocal movement of the hammer into the firing and recocked positions.
- This present invention is a spring in a compressed gas powered gun, which spring simultaneously operates on the actuator for a firing valve in a compressed gas storage chamber and the bolt in a breech in launching a projectile from a compressed gas powered gun. The spring assists the action of low pressure gas on a hammer and slider which actuate the firing valve. Also, because the bolt for launching the projectile is connected by a pin to the hammer and slider, the spring also assists in the acceleration and movement of the bolt. This assistance of the spring on the hammer/slider and the bolt results in increased firing rate, and increased reliability and consistency of shots.
- FIG. 1 is a side, schematic view of one embodiment of the present invention showing the invented gun in the cocked position.
- FIG. 2 is a side, schematic view of another embodiment of the present invention showing the invented gun in the firing position.
- FIG. 3 is a side, schematic view of a pneumatic gas cylinder assembly according to the present invention.
- FIG. 4 is a side, schematic view of a section of the pressure routing system.
- Referring now to the drawings, an embodiment to be preferred of a compressed gas powered gun, made according to the present invention, is disclosed. The gun includes, generally, a grip45; a body, including an upper main housing 3 and a lower main housing 1; a barrel 10; a bore 5; a bolt 9 within a breech; a hammer chamber 2; a pneumatic gas cylinder 34; a slider 33; and a trigger 24. Throughout the Description, the term “forward” indicates being towards the outer, open, free end of the barrel 10 extending from the upper main housing 3 of the gun. “Rearward” indicates the opposite direction of “forward.”
- As shown in FIGS. 1 and 2, a projectile feed tube6 opens into the barrel 10, said projectile feed tube 6 for supplying the barrel 10 with
projectiles 100, which are preferably spherical in form and contain a marking fluid. A conventional projectile retention lever (not shown) biased by a spring allows only oneprojectile 100 to enter the barrel 10 at a time. - Generally rearward and below the barrel10, the hammer chamber 2 holds a hammer 32 which is integrally attached to the forward end of the slider 33. Slider 33 is horizontally and reciprocally moveable within gas cylinder 34 from a cocked position, as shown in FIG. 1, to a firing position, as shown in FIG. 2, through the use of spring bias and compressed gas. The slider 33 is cocked by means of an electronic solenoid actuated 4-way valve 65 located in the lower main housing 1. A manifold 8 connects the 4-way valve 65 to the pneumatic gas cylinder 34. When biased to the firing position, the slider 33 forces the hammer 32 to engage a valve stem 29. A link pin 41, circular in cross-section, extends between and connects the bolt 9 to the hammer 32.
- The bolt9 is held within the gun through use of the link pin 41, attached to the hammer 32. Removal of the link pin 41 allows the bolt 9 to be removed from the gun. This may be done for routine maintenance. The link pin 41 is held in place by means of a bolt retention spring 76.
- Within the pneumatic gas cylinder34, a main compression spring 71 extends between the slider 33 and an end-cap 35 which is attached at the rearward end of the gas cylinder 34. A solid main spring guide 36 rests within the cylinder 34 between the slider 33 and the end-cap 35, said guide 36 for receiving the coiled main compression spring 71. Slider 33 is biased forward to a firing position by the main compression spring 71 and compressed gas (not shown). The shock of the hammer 32 is dampened both as the hammer 32 moves forward into the firing position and as it returns to a recocked position. The forward motion of the hammer 32 is dampened by both the valve spring 72 and the compressed gas surrounding the valve spring 72. The rearward motion of the hammer 32 is dampened by an o-ring 84 located in gas cylinder 34, between the guide 36 and the end-cap 35.
- Releasably holding the slider33 in a cocked position is an electronic solenoid activated 4-way valve 65. The electronic solenoid 60 is actuated through a micro-switch 61 located rearward of the trigger 24. Pulling on the trigger 24 sends an electronic signal to a CPU (microprocessor) 64 located in the grip 45. This CPU 64 by means of software determines which of a number of dual in-line package (hereinafter “dip”) switches 63 have been switched on or off, thereby determining the firing rate and mode selected by the user. The CPU 64 then, based on firing rate and mode, actuates the solenoid 60, causing the 4-way valve 65 to shift, causing the slider 33 to be propelled forward under the bias of spring pressure and compressed gas. The CPU 64 then deactuates the solenoid 60 causing the 4-way valve 65 to shift, and compressed gas forces the main compression spring 71 to compress thereby recocking the gun. A trigger spring 75 forces the trigger 24 back to its original position.
- Compressed gas for
propelling projectile 100 and for moving the slider 33 to a firing position is provided from a canister or cylinder (not shown), which may be attached directly to the gun or may be attached to the person operating the gun. The gas is fed through a high pressure (hereinafter “HP”) regulator 50, and then through a passageway through a high pressure adaptor 51 to a cavity, the highpressure storage chamber 210 defined by upper main housing of body 3. The high pressure regulator 50 reduces the gas pressure from over 500 pounds per square inch (hereinafter “p.p.s.i.”) to around (hereinafter “˜”) 250 p.p.s.i.. The HP regulator comprises an HP adjustment screw 39, an HP regulator spring 73, an HP regulator piston 53, an HP regulator cup 52, and an HP regulator cup spring 74. This high pressure regulator 50 further comprises a safety feature forcibly closing the high pressure regulator cup 52 when over 800 or so p.p.s.i. is applied. This closure protects the inner workings of the gun and protects the gun's operator. - Contained within the gun are two valve means. The first valve means is for operating a low pressure (hereinafter “LP”) circuit, including for propelling the slider33. The second valve means is for operating an HP circuit, including for supplying gas to propel the projectile 100. The first valve means further comprises a LP regulator 54 for reducing pneumatic gas pressure from the ˜250 p.p.s.i. supplied to ˜85 p.p.s.i. This pressurized gas is then channeled to the gas cylinder 34 for the propulsion of the slider 33 upon actuation of the trigger 24. The LP regulator comprises an LP adjustment screw 56, an
LP regulator spring 173, anLP regulator piston 153, an LP regulator cup 152, and an LPregulator cup spring 174. This low pressure regulator 54 further comprises a safety feature forcibly closing the low pressure regulator cup 152 when over 300 or so p.p.s.i. is applied. This closure protects the inner workings of the gun and protects the gun's operator. - The second valve means includes a horizontally oriented valve stem29 which is horizontally and reciprocally moveable within the valve stem guide 30. Valve stem 29 is provided with a valve cup 28 engaged by a valve spring 72, biasing the value cup 28 to a seated position on the valve stem guide 30 to prevent flow of compressed gas from the high
pressure storage chamber 210 into the barrel 10. - It has also been found that projectile100 velocity can be maximized through the use of specifically angled surfaces within the gas passage 4, through which the gas expands as it enters the barrel 10. The gas passage 4 is defined by the continuous conduit extending from the valve cup 28, through the valve stem guide 30 and the forward portion of the bolt 9. When the valve cup 28 is actuated to an open/firing position, the gas is allowed to expand through the conduit extending through the valve stem guide 30 and the bolt 9. Bolt 9 has an angled
port 220 drilled through its forward portion. Valve stem guide 30 is the discharge port. Bolt 9 with itsport 220 is in the breech of the gun. The breech is connected to the rearward port of barrel 10. The inner surfaces of the valve stem guide 30 and the bolt 9 are machined to form a conduit having a specific maximum angle through which the gas expands. It has been found by the inventor that 23 degrees±5 degrees is the optimal angle for these surfaces. Use of such angular surfaces allows the present invention to fire a projectile 100 using less than one half the p.p.s.i. of traditional guns at the same firing rate as those guns, without jeopardizing the efficiency, trajectory or range of the projectile 100. By funneling the gas as it expands through the use of such angular surfaces, resistance is reduced, thereby allowing firing at a high firing rate to be done with lower p.s.i. - The gun further comprises an electronic system comprising a circuit board62 containing a microprocessor (CPU) 64, and a series of dip switches 63 which can be set to control the firing rate and mode of the gun. The gun is further programmable so as to allow firing rate and mode limits to be forcibly set.
- Sequential action of the gun may be seen to advantage. A projectile100 is in place within the barrel 10. A second projectile (not shown) is held in place above the barrel 10 and within feed tube 6 by the projectile retention lever (not shown). Slider 33 is in the cocked position via the solenoid 60. It is assumed that the high pressure regulator 50 is in fluid communication with an external compressed gas source (not shown) to fill the high
pressure storage chamber 210 with compressed gas. - The trigger24 is then pulled, a microswitch 61 is activated sending a signal to the CPU 64 that the user wishes to fire the gun. The CPU 64 then determines which dip switches 63 have been preset by the user, thereby determining the firing rate and mode of the gun. Upon determining the firing rate and mode, the CPU 64 then directs the solenoid 60 to act accordingly. The firing rate and mode of the gun are detailed as follows:
- DIP Switch Settings—Modes—Rate of Fire
- (Note: the following settings are not shown in attached Figures.)
- Rate of fire is dependent on the mode and switch settings of the dip switches. Modes are:
- 1. semi-auto (one single shot per trigger pull),
- 2. 3 shot (3 shots if the trigger is pulled and not released, with single shot capabilities),
- 3. 6 shot burst (6 shots if the trigger is pulled and not released, with single shot or any amount between capabilities),
- 4. Full auto (as long as the trigger is pulled it will cycle).
- Mode selection is done via switches #1 and #2. Mode settings using the switches are as follows:
#1 #2 off off Semi auto mode on off 3 shot mode off on 6 shot burst mode on on Full auto mode - Rate of fire and timing is as follows:
- Dip switch #3 and #4 (registers Solenoid on; times in milliseconds)
#3 #4 off off = 06 ms on off = 08 ms off on = 10 ms on on = 12 ms - Dip switch #5, #6, and #7 (registers Solenoid off (delay before re-cycle); times in milliseconds)
#5 #6 #7 off off off =70 ms on off off =80 ms off on off =90 ms on on off =100 ms off off on =110 ms on off on =120 ms off on on =130 ms on on on =140 ms - Dip switch #8: display cycle rate, mode and shot count.
on = display yes off = display no. - As the solenoid60 is deactuated, the gun is cocked. As the solenoid 60 is actuated, compressed gas and the main compression spring 71 move the hammer 32 and slider 33 to the firing position, by moving the slider 33 forward with hammer 32 slidably engaging the valve stem 29. The hammer 32 engages valve stem 29, thereby unseating the valve cup 28, causing the release of compressed gas into the gas passage 4, thereby propelling the projectile 100 through the barrel 10.
- The slider33 has moved forward into the firing position forcing the hammer 32 to engage the tip of valve stem 29. Simultaneously, valve stem 29 is forced inwardly against the bias of valve spring 72 to unseat the valve cup 28 from its seat, thus allowing the compressed gas to enter the barrel 10. Gas entering the barrel 10 progresses through the conduit formed by angular surfaces of the valve stem guide 30 and the
port 220 in the forward portion of the bolt 9, forcing projectile 100, which has a diameter approximating that of the bore 5 of the barrel 10, out of the barrel 10 at a velocity dependent upon the gas pressure within the barrel 10 which is controlled by high pressure regulator 50. The solenoid 60 is then deactuated to force the slider 33 and hence hammer 32 back to the recocked position. Valve stem 29 is again biased into its seated position by valve spring 72 to prevent further flow of compressed gas into the barrel 10. Upon deactuation of solenoid 60, the slider 33 and hence the link pin 41 and bolt 9 are forced back to the recocked position. As the bolt 9 moves to the recocked position, the projectile retention lever (not shown) allows anew projectile 100 to enter barrel 10 and again holds a next projectile (not shown) in place under bias of a spring. - Having thus described in detail a preferred embodiment of the present invention, it is to be appreciated and will be apparent to those skilled in the art that many physical changes could be made in the apparatus without altering the inventive concepts and principles embodied therein. The present embodiment is therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the forgoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore to be embraced therein.
Claims (6)
1. In a compressed gas powered gun, the gun comprising a firing valve in a compressed gas storage chamber, and a bolt in a breech of the gun, the firing valve being actuated by a hammer and a slider, and the bolt being connected to the hammer and slider, the improvement wherein:
a spring operates simultaneously on the bolt and the hammer/slider for assisting in launching a projectile from the compressed gas gun.
2. The compressed gas gun of claim 1 wherein th spring is within a pneumatic cylinder containing the slider.
3. The compressed gas gun of claim 2 wherein rearward motion of the hammer/slider is dampened by a cushion.
4. The compressed gas gun of claim 3 wherein the cushion is an o-ring.
5. The compressed gas gun of claim 1 wherein the gun is electronically controlled.
6. The compressed gas gun of claim 1 wherein the gun has a high pressure gas circuit and a low pressure gas circuit.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/313,465 US20030079731A1 (en) | 1999-03-19 | 2002-12-04 | Spring assist for launch from compressed gas gun |
US10/753,640 US20040144377A1 (en) | 1999-03-19 | 2004-01-08 | Spring assist for launch from compressed gas gun |
US11/965,886 US20090114202A1 (en) | 1999-03-19 | 2007-12-28 | Spring assist for launch from compressed gas gun |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12530299P | 1999-03-19 | 1999-03-19 | |
US13832399P | 1999-06-09 | 1999-06-09 | |
US52848200A | 2000-03-17 | 2000-03-17 | |
US10/185,203 US20030024520A1 (en) | 1999-03-19 | 2002-06-27 | Discharge port and breech for compressed gas gun |
US10/313,465 US20030079731A1 (en) | 1999-03-19 | 2002-12-04 | Spring assist for launch from compressed gas gun |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/185,203 Continuation-In-Part US20030024520A1 (en) | 1999-03-19 | 2002-06-27 | Discharge port and breech for compressed gas gun |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/753,640 Continuation US20040144377A1 (en) | 1999-03-19 | 2004-01-08 | Spring assist for launch from compressed gas gun |
Publications (1)
Publication Number | Publication Date |
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US20030079731A1 true US20030079731A1 (en) | 2003-05-01 |
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ID=46281655
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/313,465 Abandoned US20030079731A1 (en) | 1999-03-19 | 2002-12-04 | Spring assist for launch from compressed gas gun |
US10/753,640 Abandoned US20040144377A1 (en) | 1999-03-19 | 2004-01-08 | Spring assist for launch from compressed gas gun |
US11/965,886 Abandoned US20090114202A1 (en) | 1999-03-19 | 2007-12-28 | Spring assist for launch from compressed gas gun |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/753,640 Abandoned US20040144377A1 (en) | 1999-03-19 | 2004-01-08 | Spring assist for launch from compressed gas gun |
US11/965,886 Abandoned US20090114202A1 (en) | 1999-03-19 | 2007-12-28 | Spring assist for launch from compressed gas gun |
Country Status (1)
Country | Link |
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US (3) | US20030079731A1 (en) |
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2002
- 2002-12-04 US US10/313,465 patent/US20030079731A1/en not_active Abandoned
-
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US20040144377A1 (en) | 2004-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: NATIONAL PAINTBALL SUPPLY, INC., NEW JERSEY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DOBBINS, JERRY;REEL/FRAME:014882/0867 Effective date: 20031215 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |