Abstract: A valve body is provided defining housing a moveable valve spool having a first end and a second end. The valve spool forms a gas balance chamber within the valve body. The valve spool has an end for closing an opening in the valve body. A channel running through the valve spool provides communication with the second end of the valve spool and the gas balance chamber. The second end of the spool valve is adapted to have an effective surface area greater than the effective surface area of the gas balance chamber.

Abstract: A paint ball gun includes a barrel and a valve is located below the barrel. The valve communicates with a first path which communicates with the barrel. A push member and a strike rod are received in the barrel. The valve guides pressurized air to the rear end of the strike rod to move the strike rod to push the push member which has a central passage. When shooting, the central passage opened and the pressurized air flows through the central passage to eject paint balls.

Abstract: A valve for a paint ball gun includes a case and a movable rod is movably received in the case. The movable rod has a first stop, a second stop and a third sop extending radially therefrom. A first chamber and a second chamber are respectively defined between the first and second stops, and the second and third stops. An inlet is defined through a wall of the case and communicates between the first chamber and a pressurized air source, and an outlet is defined through the wall of the case and communicates between the second chamber and the space in the barrel. The movable rod is moved between first and second positions to seal or introduce pressurized air into the barrel of the gun.

Abstract: A reduced breakaway-friction flow control and valving device for a compressed gas-powered projectile accelerator is disclosed having an improved means of reducing break-away friction, an improved sealing arrangement, and self-contained modular components to improve efficiency, manufacturability, and reduce size and weight.

Abstract: A paint ball gun includes a barrel, a handle with a trigger connected thereto and a tubular portion which is located beside the barrel. The tubular portion includes a chamber in which a strike pin and a valve are located. A rod movably extends through the valve and has a first end and a second end. The strike pin hits the first end of the rod by pulling the trigger and an activation member is connected to the second end of the rod. The second end of the activation member movably extends into a tubular member engaged with the chamber and biased by a spring. A stop member is movably engaged with the tubular member and in contact with the second end of the activation member. By adjusting the compressing of the spring by moving the stop member, the pressure that shoots the paint balls can be adjusted.

Abstract: A paint ball gun includes a barrel, a handle with a trigger connected thereto and a tubular portion which is located beside the barrel. The tubular portion includes a chamber in which a strike pin and a valve are located. A rod movably extends through the valve and has a first end and a second end. The strike pin hits the first end of the rod by pulling the trigger and an activation member is connected to the second end of the rod. The second end of the activation member movably extends into a tubular member engaged with the chamber and biased by a spring. A stop member is movably engaged with the tubular member and in contact with the second end of the activation member. By adjusting the compressing of the spring by moving the stop member, the pressure that shoots the paint balls can be adjusted.

Abstract: According to the present invention, by providing an extremely simple member such as a partition wall having a microscopic hole section, it is possible to reliably reduce the speed of a bullet to within a fixed speed, even a complicated decompression device such as a regulator is not provided. As a result, manufacturing time for the air gun is shortened, it is possible to lower manufacturing cost, and there is the effect of improving the manufacturing efficiency.

Abstract: A gun device includes a housing having a gas supplying passage communicating with a gas storage chamber of the housing for coupling to a pressurized gas supplying source, a feed tube for feeding a bullet into the housing. The pressurized gas supplied into the gas storage chamber of the housing may all be used to fire the bullet. In addition, the pressurized gas supplied into a manifold of the housing may be used to move a cylinder and a piston and may also be recycled and used to fire the bullet such that the bullet may be fired or propelled with a greater quantity of the pressurized gas and thus may be fired or propelled for a longer distance, for economizing the pressurized gas.

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.

Abstract: A gas powered toy gun comprises a gas supplying portion from which a gas leading passage extends, a valve for controlling the gas leading passage to be open and closed selectively, a slider provided to be movable to a barrel portion connected with a bullet holding chamber and provided with a pressure receiving portion for moving backward in order to supply the bullet holding chamber with a sham bullet, a movable member having an inner space formed therein and provided to be movable in the slider so as to be put selectively in a first state wherein the inner space is coupled with the gas leading passage and in a second state wherein the inner space is removed from the gas leading passage for guiding gas flowing through the gas leading passage to the bullet holding chamber through the inner space so that the sham bullet put in the bullet holding chamber is shot with pressure of gas acting thereon and for guiding further the gas flowing through the gas leading passage to the pressure receiving portion through th

Abstract: The object of the present invention is to improve shooting precision by causing a bullet to be fired before retreating of the slide commences, which is a problem in related art 3.

Abstract: A gas powered gun has a gun barrel, a cylinder containing a primary piston moveable between a loading position and a firing position, a secondary piston moveable within the primary piston between a loading position in which the leading end of the secondary piston is sufficiently withdrawn in the barrel to permit a projectile to be fed into the barrel through an opening in the side thereof and a firing position in which the secondary piston has moved forwardly to cause the leading end of the secondary piston to engage the projectile and move the projectile forwardly in the barrel. A trigger is operable to cause the primary piston and the secondary piston to move simultaneously from the loading position to the firing position. The cylinder has a chamber through which the primary piston and the secondary piston extend.

Abstract: A device for firing projectiles comprising a housing having a chamber for retaining projectiles positioned therein and means for expelling the retained projectiles from the housing. An inverted cup is positioned within the chamber and includes an aperture connected to the expelling means. Compressed gas is provided within the chamber by a means for providing compressed gas and a means for activating the providing means is provided as well. Upon activating the activating means compressed gas is provided within the chamber by the providing means causing the projectiles to be caught by the inverted cup and forced through the aperture for expelling therefrom by the expelling means.

Abstract: An air gun including a slide, a barrel, a cylinder portion, a hit pin, a hollow valve pin chamber, a valve body, a gas supply port, a valve pin, a pressing section, a bullet feed nozzle link connected to a trigger; and a bullet feed nozzle.

Abstract: In a compressed air gun for use by police and firefighting forces for breaking open doors, including a compressed air cannon with an ammunition ball, wherein the compressed air cannon has a compressed air chamber, a barrel extending from the compressed air chamber and a discharge valve for releasing the pressurized air from the compressed air chamber into the barrel the ammunition ball consists of a hollow plastic ball which is filled with a heavy material providing, upon being shot out of the barrel by the compressed air, an impact force sufficient to break down a door to be opened without rebounding or generating shrapnel that could endanger a person using the gun.

Abstract: A toy gun for launching a foam projectile includes a housing having an outlet, an inlet, and a passage sized to receive the projectile. A launch station disposed in the housing and is arranged to receive the projectile, a crank rotates a resilient actuating paddle. The paddle is shiftable between an undeflected position and an energy storing deflected position, and moves along a path in response to rotation of the crank and extends into the launch station. A post is disposed in the path and is positioned to shift the paddle to the deflected position in response to rotation of the wheel, with the paddle arranged to disengage the post in response to continued rotation of the wheel thereby releasing stored energy as the paddle returns to the undeflected position and travels through the launch station.

Abstract: A paintball gun throttle regulator device includes a body, an adjusting bolt, an elastic element, an adjusting piston, and a cocking. The body comprises a piston chamber, an air chamber next to the piston chamber, and a connecting chamber. The piston chamber and the connecting chamber are formed with threads inside and comprise air release holes, respectively. The air chamber is interconnected with the connecting chamber by through holes. The air chamber comprises an air outlet. The adjusting bolt is threadedly connected to the piston chamber with one end engaging with one end of the elastic element which has another end engaged with one end of the adjusting piston. The adjusting piston is slid into the piston chamber. The adjusting piston has another end secured with one end of the cocking. The cocking has another end extending through the piston chamber and the air chamber and into the connecting chamber.

Abstract: An adapter assembly for releasably interconnecting a pressurized bottle with a paintball marker, wherein the adapter assembly includes a piercing pin moveable between retracted position and an extended position. The adapter assembly includes an internally threaded female socket for releasably engaging the pressurized bottle, and an externally threaded male head for releasably engaging a corresponding female connector on the paintball marker. The spacing of the threaded connections and the travel of the piercing pin are selected such that the piercing pin punctures a frangible seal of the pressurized bottle subsequent to fluid interconnection of both the pressurized bottle and the paintball marker with the adapter assembly.

Abstract: The invention relates to a paintgun with pneumatic feeding and discharging process characterized by a pneumatic delivery mechanism. The pneumatic delivery mechanism comprises a flow-guiding body forming a major air channel at front end and a flow-guiding chamber at rear end thereof, a flow-guiding movable body utilizing a valve body to divide the flow-guiding chamber into a front and a rear air pressure chamber with different pressure area and a delivery tube placed around a tube at front part of the flow-guiding body. Moreover, a stopper controls the opening or closing of air flow channel, thereby changing the pressure difference between the front and the rear air pressure chambers. The delivery tube is shifted forward by a small amount of air flow fed into a minor air channel for pushing a paintball a little forward. Thereafter, the paintball is discharged by thrust of air flow into the major air channel.

Abstract: A pneumatic gun with separate hammer and recock piston function. Separate structures are provided for an impacter and for a recock piston. The recock piston engages the impacter during recocking. The impacter is latched in a cocked position, while the recock piston and bolt are returned to a closed bolt position after recocking the impacter, in readiness for firing. The gun fires from a closed bolt. Upon release by the impacter sear, the impacter moves to open a normally closed valve, directly or indirectly, to discharge compressed gas for firing a projectile and for recocking the gun. Various impacter shapes, recock piston shapes, and valve structures and operation are feasible while achieving the advantages of firing from a closed bolt in a semi-automatic gun.

Abstract: A toy gun includes a gun body, a support seat, a magazine, a gas control device, and a slide. The gas control device is mounted in the support seat and includes a link, a press plate, a baffle, a first clamping block, a driven block, a second clamping block, a limit plate, a hammer, a first shaft, and a second shaft. Thus, the gas control device can control operation of the gas valve of the gas chamber of the magazine exactly, so that the toy gun is operated smoothly and stably.

Abstract: The present invention is a projectile launching system having an independently operable gas powered less-lethal launcher, which is capable of firing projectiles containing either incapacitating, debilitating, or marking agents for use during those situations when lethal force would be an inappropriate response. The gas powered launcher is ergonomically designed and comprises a receiver housing and receiver that are detachable from a stand-alone stock so that it can be attached to a mounting bracket located underneath the barrel of a rifle and, therefore, integrated with such rifle in order to provide both a lethal and a less-lethal capability for the user. One of the ergonomic features of the receiver is that it is designed to releasably carry a compressed gas container in a way that presents a favorable profile and a convenient and efficient trigger location, even after attachment of the receiver to the barrel of a rifle.

Abstract: To avoid the situation, in which a gas pressure to be used for shooting a bullet from a loading chamber is partially lost, a toy gun in which a paint bullet charged in the loading chamber may be reliably shot with gas under a relatively low pressure is provided.

Abstract: Apparatus for storing and discharging gas includes a housing having an inlet and an outlet. A floating differential piston is mounted to reciprocate in the housing and divide the housing into a storage chamber adjacent the housing inlet and a discharge chamber adjacent the housing outlet. A check valve in the housing inlet admits gas to the storage chamber. A conduit extends through the piston from the storage chamber to the discharge chamber. A pressure relief valve in the conduit is set to maintain a higher pressure in the storage chamber than in the discharge chamber. A first sliding seal is disposed between the housing and an end of the piston adjacent the housing inlet. A second sliding seal is disposed between the housing and an end of the piston adjacent the housing outlet.

Abstract: A cocking knob and striker assembly for a gas-powered projectile firing device (e.g., a paintball marker). The cocking knob is adapted for operative connection with the striker and has a rearwardly facing spring seat adapted to engage the striker spring. Spring pressure on the cocking knob keeps it engaged with the striker. The arrangement affords easier disassembly and reassembly of the parts.

Abstract: A replacement bolt action assembly useful for converting a gas operated paintball marker gun having an open bolt type action to a closed bolt type action is provided. The open bolt type action includes a combination open bolt and hammer assembly releaseably containable in the marker gun body, an actuator (trigger) assembly disposable in the marker gun frame in mechanical communication with the bolt and hammer assembly, for releaseably holding the bolt and hammer assembly in a cocked configuration; and a pressure control assembly in mechanical communication with the actuator assembly and in gas flow communication with the bolt and hammer assembly. The present invention can be provided as a kit for converting or replacing the actions of certain existing paintball marker guns to close bolt type actions without having to modify the structure of the existing gun's receiver or marker body.

Abstract: A gas powered gun for firing paintballs dispensed from a magazine includes a bolt slidable within a breech section, a slidable hammer connected to the bolt and a spring to bias the hammer towards a forward firing position. A trigger operates an electrical circuit that includes a solenoid adapted to move a sear mechanism so as to release the hammer when the trigger is pulled. The solenoid has an actuating member movable from a lower position corresponding to the cocked position to a raised firing position at which the sear mechanism is disengaged from the hammer. An annular sealing member mounted at the bolt's front end is engageable with the barrel. The preferred sear member is elongate and pivots about a central transverse pivot axis. This sear member is engaged at its front end by the actuating member in order to release the hammer.

Abstract: A cocking knob and striker assembly for a gas-powered projectile firing device (e.g., a paintball marker). The cocking knob is adapted for operative connection with the striker and has a rearwardly facing spring seat adapted to engage the striker spring. Spring pressure on the cocking knob keeps it engaged with the striker. The arrangement affords easier disassembly and reassembly of the parts.

Abstract: A paintball gun loader. The loader is used in a closed-bolt paintball gun. The loader provides a paintball contact surface that moves in oscillating fashion in response to movement of the bolt to load individual paintballs into the gun while the gun loading port is open, which occurs as the gun cycles when fired. The loader includes a spring element that limits the force exerted on the paintball being loaded, even in case of a jam when the paintball contact surface is urged toward the paintball. In one embodiment, a pivotally mounted flexible lever arm having a paintball contact surface oscillates through an angular range of motion in response to a cam surface of the bolt engaging a cam follower on the the loader. In such embodiment, the cam follower is urged toward the cam surface of the bolt, which in turn biases the paintball contact surface toward an open, paintball receiving position.

Abstract: An air gun includes an air pump with a pumping piston mounted to reciprocate within a pump cylinder, which is mounted on the barrel of the gun to pivot about an axis transverse to the longitudinal axis of the barrel so that as the pump cylinder is moved back and forth around the pivot, the cylinder and piston reciprocate relative to each other to pump air into a high pressure housing carried by the pump cylinder. A discharge conduit is also provided for releasably connecting the high pressure to the breach end of the barrel when the pump is moved toward the barrel. A firing valve in the discharge conduit releases air from the high pressure housing in to the breach end of the barrel.

Abstract: A paint ball gun with typical gun body bolt chamber, air chamber, hammer chamber and trigger plate aligns the trigger plate with a timing plate and air valve to eliminate torques otherwise incurred between the valve and a trigger integral with the trigger plate as the trigger pulls the valve between effective positions during firing and recocking of the gun. The timing plate reciprocates with movement of the trigger plate in a timing plate groove in the gun body, shielding the timing plate from external damage and dirt. The air chamber and the hammer chamber, typically rearward of the air chamber, together lie below the bolt chamber and above the timing plate groove in vertical alignment further stabilizing the gun during recocking and firing of the gun.

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.

Abstract: A butt structure for a pneumatic gun includes a butt frame, a sleeve, a pneumatic control means and an inner tube. The sleeve has a front end with the outer peripheral surface forming a screw section and a lateral side forming a first slot. The pneumatic control means includes an adjusting ring, a retain ring and a push rod. The adjusting ring is coupled on the screw section and has an inner peripheral surface forming a retain trough. The retain element is to anchor the push rod and has a pin located on the lateral side. The inner tube is housed in the sleeve and fastened to the rear end of the duct of the pneumatic gun and has the lateral side forming a second slot corresponding to the first slot. The retain element and the push rod of the pneumatic control means are housed in the inner tube. The pin of the retain element runs through the first and the second slots and engages with the retain trough of the adjusting ring; The front end of the push rod presses the retain rod of the cartridge firing mechanism.

Abstract: A paint ball gun comprises a receiver including an upper compartment and a lower compartment. A bolt is slidably mounted in the upper compartment and includes a chamber in a front end thereof for receiving a bolt pin. A gas control device is mounted in the lower compartment and includes a valve assembly, a striker, and a striker spring, the bolt and the striker being connected together to move jointly. The valve assembly comprises a positioning sleeve secured in the lower compartment, a valve pin, a valve spring mounted in the positioning sleeve, a seal member mounted to a front end of the positioning sleeve, and a cap secured to an end of the valve pin. The valve pin extends through the valve spring and located in the positioning sleeve. The valve pin includes a rear end extending beyond a hole in a rear end of the positioning sleeve.

Abstract: A paint ball gun with typical gun body bolt chamber, air chamber, hammer chamber and trigger plate aligns the trigger plate with a timing plate and air valve to eliminate torques otherwise incurred between the valve and a trigger integral with the trigger plate as the trigger pulls the valve between effective positions during firing and recocking of the gun. The timing plate reciprocates with movement of the trigger plate in a timing plate groove in the gun body, shielding the timing plate from external damage and dirt. The air chamber and the hammer chamber, typically rearward of the air chamber, together lie below the bolt chamber and above the timing plate groove in vertical alignment further stabilizing the gun during recocking and firing of the gun.

Abstract: A pneumatic gun with separate hammer and recock piston function. Separate structures are provided for an impacter and for a recock piston. In one embodiment, the recock piston directly engages the impacter during recocking. The impacter is latched in a cocked position, while the recock piston and bolt are returned to a closed bolt position after recocking the impacter, in readiness for firing. The gun fires from a closed bolt. Upon release of the impacter sear, the impacter opens a normally closed valve, directly or indirectly, to discharge compressed gas for firing a projectile and for recocking the gun. Various impacter shapes, recock piston shapes, and valve structures and operation are feasible while achieving the advantages of firing from a closed bolt in a semi-automatic gun.

Abstract: A model gun in the type of revolver includes a frame member to which a barrel is fixed and a hammer is rotatably attached, a cylindrical movable member containing a pressure accumulating chamber, a plurality of bullet holding chambers, a plurality of gas leading passages connected with the bullet holding chambers respectively, and a plurality of valves each operative to cause one of the gas leading passages to open into the pressure accumulating chamber in response to movement of the hammer and mounted detachably on the frame member between the barrel and the hammer, a control mechanism operative to keep selectively the cylindrical movable member mounted detachably on the frame member in a locked condition wherein one of the bullet holding chambers is positioned to face closely a rear end portion of the barrel and to release the cylindrical movable member mounted detachably on the frame member from the locked condition so as to be revolved on a central axis thereof in response to positions of a trigger, a dri

Abstract: It is possible, in an automatic air gun, to reduce a piston block's size and effectively use a compressed gas' pressure. A change valve and a open-close valve are positioned below a cylinder block. A change valve closing portion is exposed in a change valve gas chamber. The change valve is located so only a rod portion is positioned in the change valve gas chamber. When the compressed gas is supplied to a bullet discharge ventilating opening side, through the change valve gas chamber, the closing portion opens a bullet discharge air-supply opening thereby allowing the compressed gas to flow to the bullet discharge air-supply opening. When the compressed gas is supplied to a blow-back ventilating opening, the closing portion makes a blow-back air-supply opening change to the opening state; the change valve rod prevents supply of the compressed gas to the change valve gas chamber.

Abstract: An automatic fishing line casting system for casting a fishing line connected to an elongated fishing pole. The fishing pole having a reel and a plurality of eyelets mounted along a length of the fishing pole. The fishing line extends through each of the eyelets. The automatic fishing line casting system includes an elongated barrel that has open first and second ends. A peripheral wall extends between the open first and second ends defining a bore extending through the barrel. A projectile is removably positioned in the bore of the barrel and is couplable to a portion of the fishing line. A propellant is positioned in an interior of a cartridge for propelling the projectile from the barrel. A housing is mounted to the open first end of the barrel for holding the cartridge.

Abstract: The present invention relates to compressed gas-operated firearms and more particularly to repeating gas cylinder pistols with conveyer feed of bullets for shooting.

Abstract: A confetti discharge device includes a tube with an air cylinder located in one end of the tube and confetti packed in the tube between the cylinder and a discharge end of the tube. A release mechanism includes a stopper located in a mouth of the cylinder and a keeper. The keeper is held in place by a latch that is manually releaseable by a user to allow the stopper to come out of the mouth of the cylinder due to air pressure so that the air in the cylinder discharges the confetti from the tube.

Abstract: A paintball gun in the present invention is provided with a screw hole formed in a back of a grip and extended through a chamber for being screwed with an adjusting screw whose inner end is protruded into the chamber and pressed against one sidewall surface of a magnetic-attraction plate, by which the adjusting screw is capable of being adjusted to make an inner end of the adjusting screw push the magnetic-attraction plate slightly forward or backward so that a lower end of a locking member is pushed by an outer end of a push rod of the magnetic-attraction plate to adjust the displacement height of the locking member for being fitted with different types of said gun bodies, and thus a single said grip is suited for being assembled with a gun body of different style to decrease the manufacturing of gun bodies with varied styles and lower the production cost.

Abstract: Isolated and purified nucleic acid molecules that encode a luciferase from Renilla mulleri, Gaussia and Pleuromamma, and the proteins encoded thereby are provided. Isolated and purified nucleic acids encoding green fluorescent proteins from the genus Renilla and Ptilosarcus, and the green fluorescent proteins encoded thereby are also provided. Compositions and combinations comprising the green fluorescent proteins and/or the luciferase are further provided.

Abstract: A valve is disclosed that generally includes: a valve body that preferably has at least three exhaust ports, which are preferably located in a recess, thereby allowing a larger volume of fluid to flow out from the passageway and providing less restrictive fluid flow; a valve stem with preferably a predetermined diameter along its length to take up less volume in the passageway and interfering less with the flow of pressurized fluid; a preferably aerodynamic seal that provides for less pressure on the seal, more fluid to flow between the valve chamber bore and the passageway, and less turbulence, thereby providing increased fluid flow and allowing the valve to be utilized with both high and low fluid pressure; and a strikable portion to regulate the valve without reliance on such external factors as fluid pressure, valve return spring pressure, striker spring pressure, and striker weight.

Abstract: A feeder for use with a paintball gun has an inlet through which paintballs enter, and an outlet through which they exit. A feed mechanism disposed inside the feeder frictionally engages the paintballs as they enter and transports them to the outlet. The feed mechanism may include rotatable disks. The space between the rotatable disks may be less than the diameter of the paintballs. At least one of the rotatable disks may include a material that flexes to accommodate a paintball. The paintball feeding system may additionally incorporate a circuit that senses when the gun is fired and controls the rate at which paintballs are fed into the paintball gun.

Abstract: A single stage regulator is disclosed wherein a piston-type configuration is utilized to regulate an input working pressure as high as 4,500 PSI, to an output delivery pressure from 200 PSI to 1100 PSI. The single stage regulator can be used on paintball guns, markers and similar devices powered by compressed gas.

Abstract: Systems and apparatus for generating bioluminescence, and combinations of these systems and apparatus with inanimate articles of manufacture to produce novelty items are provided. These novelty items, which are articles of manufacture, are designed for entertainment, recreation and amusement, include, toys, paints, slimy play material, textiles, particularly clothing, bubbles in bubble making toys and other toys that produce bubbles, balloons, personal items, such as bath powders, body lotions, gels, powders and creams, toothpastes and other dentifrices, soaps, body paints, and bubble bath, foods, such as gelatins, icings and frostings, beverages such as beer, wine, champagne, soft drinks, and ice cubes, fountains, including liquid “fireworks” and other such jets or sprays or aerosols of compositions that are solutions, mixtures, suspensions, powders, pastes, particles or other suitable formulation.

Abstract: An air powered gun system for allowing a user to fire large projectiles at extremely high velocities by utilizing a conventional air pump. The inventive device includes a stock, a barrel attached to the stock, an air valve connected to the rear end of the barrel, an air chamber connected to the air valve opposite of the barrel, a conventional valve stem attached to the air chamber a trigger lever connected to the air valve, a spring connected to the trigger lever, and a loading shaft for loading a standard projectile or a lighted projectile. A pressure gauge may also be attached to the air chamber to show the pressure within the air chamber. The user inserts the standard projectile or the lighted projectile into the rear portion of the barrel by utilizing the loading shaft. A conventional air pump is removably connectable with the valve stem of the air chamber for inputting pressurized air into the air chamber.

Abstract: A fluid pulsator for a compressed gun (10) or water gun (30) is provided having a housing (404) with a fluid inlet (409) and a fluid outlet (410), an internal tube (405) reciprocally mounted within the housing, and a sealing member (406) reciprocally mounted to the internal tube. The housing and internal tube define a rearward fluid pressure chamber (412) and a forward fluid pressure chamber (413). The pulsator also has a variable flow fluid control valve which varies the flow of fluid passing into the forward fluid pressure chamber to regulate the action of the pulsator. The sealing member has a sealing head (431) having a first portion (432) sized and shaped to overlap the housing about the fluid outlet and a second portion sized and shaped to be received within the fluid outlet.

Abstract: A fluid pulsator for a compressed gun (10) or water gun (30) is provided having a housing (604) with a fluid inlet (607) and a fluid outlet (608), an internal tube (605) reciprocally coupled to the housing, and a sealing member (606) reciprocally mounted to the internal tube. The housing and internal tube define a rearward pressure chamber (632) and a forward fluid pressure chamber (631). The fluid pulsator also has means for actuating the movement of the sealing member that can be manually manipulated to vary the actuation rate of the pulsator.