Pistol Grip Type Patents (Class 239/526)
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Patent number: 7083119Abstract: A connector system for releasably securing a reservoir to a spray gun includes hook members on a lid of the reservoir that engage a flange of an inlet adaptor on the spray gun with a push/twist action to secure the reservoir to the spray gun. A retainer clip mounted on the inlet adaptor is movable between an inoperative position to allow the reservoir to be connected to and disconnected from the spray gun, and an operative position in which the clip blocks release of the reservoir. The clip provides security against accidental release of the reservoir in use of the spray gun.Type: GrantFiled: September 25, 2003Date of Patent: August 1, 2006Assignee: 3M Innovative Properties CompanyInventors: Phillip J. Bouic, Neil Delbridge
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Patent number: 7080795Abstract: A garden nozzle includes a barrel and a handle to be connected with a hose and a tube is movably received in the barrel and connected with a pattern switching button which is connected to the handle. A shank with a spiral groove extends through a pattern member rotatably mounted to a front end of the barrel and a sleeve which is received in the tube. The pattern member is fixed to the shank. The sleeve includes a ridge which is movably engaged with the spiral groove so that when pulling the pattern switching button, the tube and the sleeve are moved backward so as to drive the shank and the pattern member to rotate.Type: GrantFiled: October 13, 2004Date of Patent: July 25, 2006Inventor: Yann-Shoou Chen
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Patent number: 7077342Abstract: A shower head assembly includes a main body, a water outlet panel, a mounting tube, a shade, and a locking nut. Thus, the mounting tube is indirectly combined with the water outlet pipe by the universal connector to form a pivotable shower head and is directly combined with the water outlet pipe to form a fixed shower head, thereby enhancing the versatility of the shower head assembly. In addition, the shower head assembly is provided with a shade having a variable shape to vary the pattern and profile of the shower head assembly, thereby enhancing the aesthetic quality and decreasing costs of the shower head assembly.Type: GrantFiled: May 25, 2004Date of Patent: July 18, 2006Assignee: Ching Shenger Co., Ltd.Inventor: Chin-Tsai Lee
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Patent number: 7051959Abstract: This invention relates to a hand held sprayer that delivers fluid with a solid stream or various patterns of multiple streams, comprising a controller, an extension bar, and a spray tip for multi-purpose usages. The controller incorporates a vertical shut-off valve to control the flow from a pressurized inlet source to the outlet, wherein the vertical shut-off valve enables the user to get instant access of fluid supply by manually regulating a pushbutton. A movable stem assembly is engaged with a seat in the valve, being urged in a closed position by the pressures relieved from a compression spring and the inlet fluid. A bottom cover that supports the compression spring is secured to a housing body with an O-ring to seal, and a top cover is adjustably placed to lock an O-ring for obtaining a sealing and an appropriate movement of the stem assembly.Type: GrantFiled: December 9, 2003Date of Patent: May 30, 2006Inventor: Howard Tak Su Lim
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Patent number: 7040546Abstract: A system for positioning a spray apparatus relative to a surface, in which the spray apparatus directs a liquid coating such as paint toward the surface for applying the liquid to the surface in a spray pattern. A light beam emitter is interconnected with the spray apparatus, and emits a light beam in a predetermined orientation relative to the spray pattern such that the light beam strikes the surface in a center defined by the spray pattern when the spray apparatus is positioned a predetermined distance from the surface. The light beam is oriented such that the distance of the spray apparatus corresponds to a distance providing optimal application of the coating to the surface, to minimize waste and overspray. The light beam emitter may be engaged with the spray apparatus by a releasable mounting arrangement, such that the light beam emitter can be selectively mounted to the spray apparatus. The light beam is emitted from a light beam emitter housing, such as a laser generator.Type: GrantFiled: March 20, 2002Date of Patent: May 9, 2006Assignee: Laser Touch and Technologies, LLCInventors: Nicholas R. Horan, Christopher M. Horan, Scott J. Horan
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Patent number: 7028925Abstract: The present invention relates to a spray gun generally employed with a multi-functional surface cleaning machine having a fluid tank, a pump, a dispensing device, and at least one receptacle for holding concentrated cleaning chemicals. The dispensing device, or spray gun, of one embodiment of the present invention include a curved lance wand, a trigger mechanism, and a valve that provides selective alteration of fluid flow and pressure.Type: GrantFiled: May 5, 2004Date of Patent: April 18, 2006Assignee: Castle Rock Industries, Inc.Inventors: Michael Guest, Roger Pedlar, Brian J. Doll
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Patent number: 7025291Abstract: A water sprayer includes a handle having a passage, a housing having a pathway and a chamber communicating with the passage and a passageway communicating with the chamber and the pathway of the housing, to form a valve seat between the passageway and the pathway of the housing. A stem is rotatably and slidably received in the passageway and the chamber of the housing, and includes a block having a groove for selectively communicating with the passage of the handle. The block includes a channel formed by a swelling and having an opening selectively communicating with the pathway of the housing when the stem is rotated relative to the housing, to control a water flowing through the housing.Type: GrantFiled: July 26, 2004Date of Patent: April 11, 2006Inventor: Sheng Li Wu
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Patent number: 7017838Abstract: A spray gun having a gun body; a nozzle assembly arranged on the gun body; a compressed air supply channel located in the gun body, controlled by a valve assembly, a regulator for adjusting the supply of the spray material, an actuating element for actuating the valve assembly) and the regulator and a pressure measuring device. A pressure measuring device, resistant to dirt, that contains a pressure sensor integrated into the gun body and is connected to the compressed air supply channel via a capillary (43) located within the gun body.Type: GrantFiled: June 27, 2001Date of Patent: March 28, 2006Assignee: Sata-Farbspritztechnik GmbH & Co. KGInventor: Ewald Schmon
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Patent number: 7007868Abstract: A spraying gun includes a gun body, a water guide pipe, a water control bar, and a water control switch. Thus, the driven portion of the water control bar is pushed by either one of the engaging portions of the eccentric urging face of the water control switch, so that the water control bar is moved in the receiving space of the water guide pipe step by step so as to control the water flow in the water guide pipe in a multi-stage manner, thereby facilitating the user regulating the water flow rate of the spraying gun so as to save the water source.Type: GrantFiled: July 9, 2004Date of Patent: March 7, 2006Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.Inventor: Chin-Yuan Chen
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Patent number: 7004404Abstract: A spraying apparatus for spraying liquid surface treatment material which includes a gas inlet, a liquid inlet and an outlet nozzle. The apparatus also has a needle valve for regulating the supply of surface treatment material to the nozzle. The needle valve is at least partially located within a gas outlet chamber and is adapted so as to cause minimal disruption to the gas flow from the gas inlet to the nozzle. To further aid gas flow efficiency, the gas supply passage is substantially straight, the outlet chamber has a laterally outwardly tapering inlet and an inwardly tapering outlet and a smooth radius of curvature from the gas supply passage into the outlet chamber. There is also provided a control means for controlling the axial movement of the needle valve, the control means being provided with indicator means so as to provide an accurate, repeatable control means.Type: GrantFiled: September 16, 2002Date of Patent: February 28, 2006Assignee: G Vincent LimitedInventor: George Walter Robinson
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Patent number: 7000855Abstract: A garden nozzle includes a core piece received in the barrel of the nozzle and the core piece includes an outlet allowing water to come out therefrom. The core piece is in communication with the path defined in the handle and water is provided via the path. A movable member is movably mounted to the core piece and is driven by an operation member connected to the barrel and can be operated by one finger of the user's hand grasping the handle. The position of the movable member changes the relative positions of the outlet and the opening located at a center of the cone-shaped inner periphery of the movable member, so as to obtain different pattern of watering.Type: GrantFiled: September 30, 2004Date of Patent: February 21, 2006Assignee: Ho-Chin ChenInventor: Yann-Shoou Chen
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Patent number: 6981661Abstract: A spraying gun includes a gun body, an adjusting device, a guide pipe, and a spraying nozzle. The adjusting device includes an rotatable knob, and a connecting member. Thus, the sprinkling manner of the spraying gun is adjusted by rotating the rotatable knob of the adjusting device, thereby facilitating a user operating the spraying gun. In addition, the user controls the sprinkling manner of the spraying gun easily, so that the water injected outward from the spraying gun is controlled exactly, thereby preventing the injected water from wetting the user's clothes.Type: GrantFiled: July 23, 2004Date of Patent: January 3, 2006Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.Inventor: Chin-Yuan Chen
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Patent number: 6976644Abstract: A spray nozzle mounts to an extension pole end in a swivel joint. A swivel nozzle base connects to the pole and a manifold swivelly couples the base to a swivel nozzle head such that pressurized fluid passing through the pole passes into the base, through the manifold, into the head and then out of an orifice in the head through a spray tip attached to the head at the orifice. All fluid seals, O-rings, are also protected within the base. To effect head rotation and to hold the head in a preferred orientation relative to the base, a lever is attached to the head to the manifold firmly attached to the head. To move the lever on the distal end of an extension pole, it is connected to a rod that runs between the lever and an actuator on the pole. Typically, the actuator comprises a grip around the pole that slides along the pole when exercised by an operator. A spray gun is normally attached to the pole proximal end with a trigger that regulates high-pressure fluid into the pole.Type: GrantFiled: August 7, 2003Date of Patent: December 20, 2005Inventor: Kevin Troudt
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Patent number: 6964382Abstract: A grip cover is provided for fitting over the hand grip of a coating dispensing device for dispensing coating material. The grip cover includes material for cushioning a hand of an operator using the coating dispensing device.Type: GrantFiled: July 15, 2003Date of Patent: November 15, 2005Assignee: Illinois Tool Works Inc.Inventors: Kevin L. Alexander, Harold T. Allen, Michael C. Rodgers, Dennis P. Stephens
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Patent number: 6959879Abstract: A nozzle arrangement which is suitable for use in the generation of a spray or aerosol and which is adapted for connection to a fluid supply, the nozzle arrangement including a fluid inlet through which fluid enters the arrangement from the fluid supply and fluid outlet through which the fluid is ejected from the nozzle arrangement, fluid inlet and fluid outlet being connected to a fluid flow passage through which, in use, fluid flows from the inlet to the outlet, wherein the nozzle arrangement includes control means provided in the passage which, in use, acts to modify the flow characteristics of the fluid in the fluid flow passage to effectively control fluid droplet size produced in the spray or aerosol by the nozzle arrangement.Type: GrantFiled: May 10, 2001Date of Patent: November 1, 2005Assignee: Incro LimitedInventors: Keith Laidler, Andrew Yule
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Patent number: 6945438Abstract: Provided is a pesticide spraying cart. In one embodiment, the comprises a pesticide tank, a retractable handle, two wheels, a recess provided between the wheels, a longitudinal hose compartment provided in a rear of the tank, a coil hose adapted to either extend out of the hose compartment by pulling or retract thereinto automatically after the force exerted on the coil hose has been released, a spray gun provided at an open end of the coil hose, a hook for holding the spray gun in an unused position, a pipe is extended from the coil hose into the tank, and a foot operated pump assembly provided in the recess. Repeatedly pressing a foot pedal to pressurize the tank, pulling the coil hose out of the hose compartment, and activating the spray gun will shoot out a uniform spray of liquid pesticide.Type: GrantFiled: January 26, 2005Date of Patent: September 20, 2005Inventors: Chun-Chia Shih, Jen Yen Yen
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Patent number: 6945474Abstract: A pistol-type nozzle comprises a hand grip, a barrel, a spray head, and a trigger. The barrel has a muzzle which is provided with two retaining slots, each being formed of a guide portion and a retaining portion. The retaining portion is provided with a retaining ridge to arrest a retaining projection of a connection end of the spray head. The trigger is provided with a cover which has a soothing effect.Type: GrantFiled: May 1, 2003Date of Patent: September 20, 2005Inventor: Chin-Yuan Chen
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Patent number: 6935577Abstract: A system and method for reducing fluid drainage into air passageways of a spray device during disassembly. The present technique provides an internally mountable fluid nozzle having a fluid inlet, a fluid exit, and a converging central passageway extending substantially between the fluid inlet and the fluid exit. Accordingly, the internally mountable fluid nozzle has a relatively small internal volume, which reduces the amount of fluid that can be spilled during disassembly of the spray device. The present technique also provides a section of the spray device having an air passageway with an air exit, and a protrusive fluid passageway with a fluid exit in a protrusive offset position from the air exit. The internally mountable fluid nozzle can be mounted to the section in fluid communication with the protrusive fluid passageway, such that fluid spillage or drainage during disassembly does not flow into the air passageway.Type: GrantFiled: February 28, 2003Date of Patent: August 30, 2005Assignee: Illinois Tool Works Inc.Inventor: Christopher L. Strong
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Patent number: 6926209Abstract: A device for the cleaning and maintenance of the cooling fins of a heat exchanger of an air conditioner unit includes a pistol-grip water nozzle having a water inlet providing a water pressure of between about 40 to about 80 pounds per square inch (about 300 cm Hg), the nozzle having a threaded outlet. The device also includes a hose adapter proportioned for securement to the nozzle outlet, the adapter having an outlet proportioned for receipt of a threaded inlet. Central to the inventive device is an elongate segment of cylindrical tubing having the threaded inlet as its inlet. The tubing segment includes a virtual vertical plane of symmetry defining respective left and right hollow semi-cylinders of the tubing, an outer lateral side of one of the semi-cylinders having an axial sequence of apertures in a line defining a right angle to the plane of symmetry, each having a diameter of between about 0.3 and about 0.6 millimeters and having respective axial separations of between about 4 and about 9 millimeters.Type: GrantFiled: June 9, 2003Date of Patent: August 9, 2005Inventor: Alexis Alie Ladislaw Cannon
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Patent number: 6926213Abstract: A power washer wand has a configuration which balances the forces of the water stream. By balancing these forces, the back pressure is greatly reduced. This results in less fatigue for the user and also enables the wand to be extended in order to reach high or distant surfaces without the use of a ladder or scaffold. The wand includes an angle changing coupling such as a swivel joint which allows the angle between the configuration that balances the forces (“force balancing configuration”) and the surface being washed to remain substantially constant. The angle changing coupling is preferably located at the proximal end of the force balancing configuration. In one version, the force balancing configuration is a loop or helix having a the first bend replaced with an angle changing coupling or a right angle fitting. In a second version, the force balancing configuration is a two-tined, fork-shaped divergent configuration which reconverges at a distal coupling, such as a “Y” coupling.Type: GrantFiled: February 22, 2002Date of Patent: August 9, 2005Inventor: Charles Coles
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Patent number: 6921032Abstract: The sprayer has, in the interior of the handle, a flow channel, in which the cylinder element is arranged. The piston is mounted in a freely displaceable manner in the cylinder element, and the cylinder element is open on the end side in the direction of the shut-off valve. The cylinder element and the piston bound, for example, an air-filled gas volume. If pressure surges occur when the shut-off valve is closed quickly, these pressure surges are damped by the piston moving in the direction of the cylinder bottom and compressing the gas in the gas volume in the process.Type: GrantFiled: March 23, 2004Date of Patent: July 26, 2005Assignee: KWC AGInventors: Joe Habermacher, Johannes Würgler
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Patent number: 6915967Abstract: A sprinkler nozzle structure comprises a grip, a barrel, a spray nozzle, a trigger device, and a flow control device. The trigger device is fastened with the grip for clogging and unclogging a water channel of the grip. The flow control device is fastened between the grip and the barrel for regulating the flow of water moving from the water channel of the grip into a water channel of the barrel.Type: GrantFiled: July 21, 2003Date of Patent: July 12, 2005Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.Inventor: Chin-Yuan Chen
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Patent number: 6896207Abstract: An anti-squirt ring acts as a handle guard for a palm operated garden hose nozzle lever. The guard is a circular ring, which obliquely surrounds the trigger lever of the garden hose nozzle. If the garden hose nozzle is accidentally dropped, the annular guard ring provides clearance. Therefore, the trigger lever will not forcefully contact the ground and be accidentally engaged, suddenly and erratically. The guard prevents unwanted spraying water from the nozzle in unwanted directions, such as at the user or at objects which should not get wet. The wire is configured in an annular ring and is either manufactured with the garden hose nozzle or garden hose, or is attached by clamps, cable ties or hook and loop type fasteners to the garden hose nozzle or attached to the garden hose directly.Type: GrantFiled: October 25, 2003Date of Patent: May 24, 2005Inventor: John Baker
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Patent number: 6889917Abstract: A trigger actuated aerosol spray cleaning device having a cleaning head mounted by a quick disconnect coupler to be independently pivotal about at least two axes. In one form, the coupler has a body with a socket receiving a plug end of the cleaning device which is retained by a button actuated, spring biased latching ring preventing axial separation from the coupler until the button is depressed. In another form, spring biased opposing jaws releasably clamp the head to the device. A swivel member pivotally mounts to either the coupler body or opposing jaws along one axis and to the cleaning head at a second axis. The swivel action in either case can be temporarily disabled by a sliding locking feature.Type: GrantFiled: March 10, 2003Date of Patent: May 10, 2005Assignee: S.C. Johnson & Son, Inc.Inventors: Cathal L. Fahy, Dale Aberegg, Vincent A. Macri, Brian K. Linstedt
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Patent number: 6880768Abstract: A handheld spraying device having a quick disconnect assembly for releasably securing a spray body having a valve mechanism therein to a water line. The device includes a nozzle assembly affixed to a water line that includes a pair of opposed projecting wing portions that are spring biased into a pair of opposed seats formed in the spray body. An elongated opening transversely aligned with the seats is provided in the spray body for the passage of the nozzle assembly therethrough upon the wing portions thereof being aligned with the opening. Upon urging the nozzle assembly inwardly within the spray body against an interior spring so as to raise the wing portions off the seats and rotating the line and affixed nozzle assembly approximately 90° with respect to the spray body, the line and nozzle assembly can be withdrawn, disconnecting the spray body from the line.Type: GrantFiled: July 30, 2003Date of Patent: April 19, 2005Assignee: Jing Mei Industrial Holdings LimitedInventor: Ping Wa Lau
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Patent number: 6874702Abstract: Modular spray gun apparatus and methods are disclosed. In one embodiment, an apparatus includes a handle module and a head module that is removeably coupled to the handle module. The head module includes a first housing having an inlet adapted to be coupled to a source of pressurized gas, a flow passage extending between the inlet and an outlet, and a first coupling member proximate the outlet. Similarly, the head module includes a second housing having a second coupling member removeably coupled to the first coupling member of the first housing, a nozzle fluidly communicating with a spray outlet, and a needle assembly operatively associated with the nozzle to control a flow of liquid material and pressurized gas emanating from a mixing passage through the nozzle.Type: GrantFiled: October 8, 2002Date of Patent: April 5, 2005Assignee: Micron Technology, Inc.Inventor: Clifford W. Turnbull
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Patent number: 6866208Abstract: A gardening spraying nozzle comprises an outer annular cover installed at a water outlet of a spraying nozzle, a water outlet cover integrally formed with the outer annular cover, a water control disk within the water outlet cover, and an water outlet valve coupling to the water outlet of the spraying nozzle. The outer annular cover is integrally formed to the water outlet cover. The water outlet cover includes a mist-like spraying seal section and a low pressure water seal section; an annular end surface of the water control disk is formed with a sealing section corresponding to the low pressure water seal section of the water outlet cover. Thereby, the water outlet cover is buckled by the water control disk and the water control disk is buckled by the water outlet valve. Thereby, when the outer annular cover is rotated. It moves with the other element.Type: GrantFiled: May 15, 2003Date of Patent: March 15, 2005Inventor: Wen Li Kao
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Patent number: 6860438Abstract: A spray gun includes a gun body, a ferrule and a head. The ferrule is screwed to the gun body. A plurality of through holes are disposed on the ferrule with each inserted with a bead. A ring is provided on the outer circumference of the ferrule. A flange is provided on the inner circumference of the ring in relation to the through holes. The flange holds against and keeps the beads protruding from their respective through holds. The beads are locked in respective recesses on a locking end at the rear of the head to allow fast removal of the head from the gun body and revolving of the head.Type: GrantFiled: April 6, 2004Date of Patent: March 1, 2005Inventor: Tiao-Hsiang Huang
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Patent number: 6857583Abstract: A boat or recreational vehicle (RV) mounted pressure washing system fully plumbed and integrated electrically with the boat or RV, and located remotely therewithin according to user's preferred mounting location such as the bilge, engine compartment or a supply cabinet. The system provides the user with a high pressure supply of water for washing, rinsing, etc. by means of a pump, water reservoir and fully retractably high pressure hose, to which a nozzle of choice may be quickly attached or removed when not in use. The pressure hose is of significant length to provide for the pressure washing of the entire vehicle and surrounding areas by the user, whereby when not in use is fully retractable into the boat or RV for storage.Type: GrantFiled: September 26, 2002Date of Patent: February 22, 2005Inventor: Robert A. Attar
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Patent number: 6854667Abstract: Interlocking tabs are provided on the backside of a spray gun air cap to mate with corresponding slots in the barrel of the gun. The tabs and slots are spaced at 90° (or other spacing if desired) to confine the air cap to vertical or horizontal orientations. The barrel and retaining ring are provided with a custom coarse thread which both allows quicker removal and replacement of the air cap as well as substantially eliminating the ability to cross-thread the air cap on the barrel.Type: GrantFiled: September 6, 2002Date of Patent: February 15, 2005Assignee: Graco Minnesota Inc.Inventors: Mark E. Ulrich, Michael J. Reget, John C. Sweazey
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Patent number: 6845924Abstract: Disclosed is a spray pistol having a pistol body, a nozzle system which is arranged on the pistol body, a compressed air supply channel which is arranged in the pistol body and with a valve device for control of the compressed air supply to the nozzle device, a regulating device for regulating the supply of the substance to be sprayed, an actuating element for actuating the valve system and the regulating device, a device for regulating the supply of compressed air to the nozzle device, a pressure measuring device for detecting and indicating the pressure in the compressed air supply channel, wherein the pressure-measuring device is integrated into the device used to regulate the compressed air supply.Type: GrantFiled: June 27, 2001Date of Patent: January 25, 2005Assignee: Sata-Farbspritztechnik GmbH & Co. KGInventor: Ewald Schmon
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Patent number: 6843432Abstract: A personal hygiene cleansing apparatus for use on the toilet is connected to hot and cold water supply lines in a bathroom. The water flows from these lines to a manually-controlled mixer for temperature control and then delivered to a hand-held spray gun. The apparatus may be built in to a wall or vanity, or it may be installed in a case for portability. Optionally, the apparatus comprises a soap tank which mixes soap with a portion of the incoming water for controlled application with the spray gun.Type: GrantFiled: November 17, 2000Date of Patent: January 18, 2005Inventor: Robert L. Philpott
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Patent number: 6840462Abstract: A disposable nozzle for an airless, polyurethane spray gun has an inlet chamber section sealingly latched to the gun nose for receiving polyurethane foam components, a mixing chamber section adjacent the inlet chamber containing a static mixer for mixing the polyurethane components and a dispensing tip section adjacent the mixing chamber for discharging the polyurethane as a spray. The dispensing tip has a longitudinally extending passage terminating at a rectangular opening in the tip defined by long side edges and short side edges. The length of the long side edges are generally maintained throughout the tip passage and approximate the diameter of the mixing chamber exit to produce a consistent rectangular fan spray pattern from the nozzle. Spray guide tabs extend from the long side edges of the rectangular tip opening to alleviate nozzle drip during dispensing.Type: GrantFiled: January 11, 2002Date of Patent: January 11, 2005Assignee: Fomo Products, Inc.Inventors: Paul Gregory Hurray, Thomas L. Fishback, Anthony J. Taylor
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Publication number: 20040256492Abstract: A device for the cleaning and maintenance of the cooling fins of a heat exchanger of an air conditioner unit includes a pistol-grip water nozzle having a water inlet providing a water pressure of between about 40 to about 80 pounds per square inch (about 300 cm Hg), the nozzle having a threaded outlet. The device also includes a hose adapter proportioned for securement to the nozzle outlet, the adapter having an outlet proportioned for receipt of a threaded inlet. Central to the inventive device is an elongate segment of cylindrical tubing having the threaded inlet as its inlet. The tubing segment includes a virtual vertical plane of symmetry defining respective left and right hollow semi-cylinders of the tubing, an outer lateral side of one of the semi-cylinders having an axial sequence of apertures in a line defining a right angle to the plane of symmetry, each having a diameter of between about 0.3 and about 0.6 millimeters and having respective axial separations of between about 4 and about 9 millimeters.Type: ApplicationFiled: June 9, 2003Publication date: December 23, 2004Inventor: Alexis Alie Ladislaw Cannon
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Publication number: 20040256493Abstract: Modular spray gun apparatus and methods are disclosed. In one embodiment, an apparatus includes a handle module and a head module that is removeably coupled to the handle module. The head module includes a first housing having an inlet adapted to be coupled to a source of pressurized gas, a flow passage extending between the inlet and an outlet, and a first coupling member proximate the outlet. Similarly, the head module includes a second housing having a second coupling member removeably coupled to the first coupling member of the first housing, a nozzle fluidly communicating with a spray outlet, and a needle assembly operatively associated with the nozzle to control a flow of liquid material and pressurized gas emanating from a mixing passage through the nozzle.Type: ApplicationFiled: July 9, 2004Publication date: December 23, 2004Inventor: Clifford W. Turnbull
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Publication number: 20040251321Abstract: A DC power spraying tool includes a housing having an inlet opening, a discharging opening, and a motor cavity, a liquid container for containing a liquid colorant therein communicatively connected to the inlet opening of the housing, a spray nozzle extended from the discharging opening of the housing to communicate with the liquid container, and an electric motor supported within the motor cavity of the housing for applying a vacuum pressure on the liquid container to pump the colorant towards the spray nozzle. A DC power source includes a rechargeable battery supported by the housing for applying a DC current and a control circuitry electrically connected the rechargeable battery with the electric motor for transforming the DC current to an impulse current so as to drive the electric motor to operate.Type: ApplicationFiled: May 19, 2003Publication date: December 16, 2004Inventors: Genzhang Ye, Suhu Zhou
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Patent number: 6824071Abstract: A spray-up operator may conveniently control the application of a gel-coat material to a mold or preform to achieve a uniform coating by using an application means comprising a manipulatable nozzle and air control assembly including a liquid nozzle for forming the catalyzed gel-coat material into a fan-like film with substantially flat faces and expanding stream-like edges extending from a liquid orifice, and an air nozzle assembly for directing independently controllable flows of compressed air at the substantially flat faces and at the expanding stream-like edges of the fan-like film.Type: GrantFiled: August 27, 2001Date of Patent: November 30, 2004Assignee: Glas-Craft, Inc.Inventor: Jonathan R. McMichael
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Patent number: 6824075Abstract: A spray gun for atomizing fluid with compressed air comprises a housing having a handle, an atomizer nozzle, a guide sleeve having a U-shaped cross section which engages in the atomizer nozzle and is supported in the housing, and a valve needle which can be operated by means of a trigger which is in a pivoting mounting. The valve needle is connected with the trigger in the area of the guide sleeve by means of a hinge pin. A seal disposed in the guide sleeve, the seal being located between a feed line and the hinge pin, with the valve needle being held in a movable arrangement in the seal.Type: GrantFiled: June 13, 2003Date of Patent: November 30, 2004Assignee: J. Wagner GmbHInventor: Guido Zimmermann
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Publication number: 20040227017Abstract: A gardening spraying nozzle comprises an outer annular cover installed at a water outlet of a spraying nozzle, a water outlet cover integrally formed with the outer annular cover, a water control disk within the water outlet cover, and an water outlet valve coupling to the water outlet of the spraying nozzle. The outer annular cover is integrally formed to the water outlet cover. The water outlet cover includes a mist-like spraying seal section and a low pressure water seal section; an annular end surface of the water control disk is formed with a sealing section corresponding to the low pressure water seal section of the water outlet cover. Thereby, the water outlet cover is buckled by the water control disk and the water control disk is buckled by the water outlet valve. Thereby, when the outer annular cover is rotated. It moves with the other element.Type: ApplicationFiled: May 15, 2003Publication date: November 18, 2004Inventor: Wen Li Kao
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Publication number: 20040222320Abstract: A water sprayer includes a hollow body, a support seat, and a flow control device. The flow control device includes a push member, a sealing rubber, a press plate, a compression spring, a spring seat, a fixing nut, and a flow control knob. Thus, the water sprayer is provided with a flow control device, so that the water flow rate flowing from the water sprayer can be controlled optimally. In addition, the flow control knob of the flow control device is far away from the water outlet hole, thereby preventing the flow control knob from being wet.Type: ApplicationFiled: May 8, 2003Publication date: November 11, 2004Inventor: Sheng-Li Wu
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Patent number: 6814308Abstract: A switch handle at a bottom section of a sprayer long tube of a water sprayer includes a sprayer long tube, a switch and an inlet tube having a connecting sleeve pivotally connected to a bottom end thereof. The bottom section of the long tube is connected to an outlet section of the switch. The inlet section of the switch is connected to the inlet tube. The sprayer long tube, switch and inlet tube are integrally connected. The connecting section of bottom section of the long tube and the switch, the periphery of the switch, the connecting section of the switch and the tube, and the entire peripheral surface of the tube are injection molded integrally from plastics (rubber) one or two times, to thereby effectively couple them integrally such that the plastic (rubber) injection molded parts is suitable to be used by the handle provided at the bottom section of the sprayer long tube.Type: GrantFiled: December 17, 2001Date of Patent: November 9, 2004Inventor: Wen-Li Kuo
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Publication number: 20040217205Abstract: A pad for handle grips of hand held paint spray guns. Frequent prolonged use of paint spray guns can result in the fatiguing and stressing of operator hands. Fatigue and stress can be aggravated by requiring the operator to hold his or her hand in essentially one position on the handle grip. The pad reduces such fatigue and stress. The pad fits within a recessed region that is molded into the paint spray gun handle where the operator's palm meets the grip. Alternatively, the pad could be attached to existing paint spray gun handle grips that are lacking the recessed region. The pad is made of a material that is less dense than the synthetic resinous material of the spray gun handle grip. Preferably, the material is plastic foam or gel and is attached to the spray gun handle using an acrylic glue. The pad is designed to absorb some of the vibrational energy that is transmitted to the operator's hand in current spray gun handles.Type: ApplicationFiled: April 9, 2003Publication date: November 4, 2004Inventors: Stephen C. Kohs, Daniel J. Bruggeman
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Patent number: 6811099Abstract: A battery operated sprayer has an elongated handle for gripping by the operator for actuating the sprayer and for supporting the container to which the sprayer is attached, a removable battery pack forms a removable portion of the handle which solely supports a plurality of batteries which may be recharged or replaced by the operator.Type: GrantFiled: November 21, 2002Date of Patent: November 2, 2004Assignee: Saint-Gobain Calmar Inc.Inventors: Joseph R. Krestine, David DeJonge
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Patent number: 6805306Abstract: A cylinder rapid engagement device in an electrical spray gun includes a gun housing which contains an electromagnet with a downward extended oscillator in middle portion, an adjustable rod in rear end, a trigger switch in a handle, a semi-cylindrical receiving space abutting a rectangular guide in the front end and plunger under the electromagnet engageable into a cylinder which is made integral with a rectangular block and a lid of a paint container and engageble with thin the semi-cylindrical receiving space and secured into a pair of retaining holes in the gun housing by a pair of flat retaining pieces of a pair of elastic plates from the rectangular block. It is characterized in that the cylinder is smoothly slid in and readily removed out of the gun housing without use a screw so as to provide a great convenience to the user.Type: GrantFiled: October 23, 2002Date of Patent: October 19, 2004Inventor: Jung-Kun Huang
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Publication number: 20040195383Abstract: The intercept valve, in particular for high-pressure washing guns in water-cleaning machines, comprises a main body having a tubular conformation, an obturator arranged internally of the main body and mobile between a closed position thereof and an open position thereof, an annular seating for the obturator housed in a through-hole afforded in the main body, an activating pivot of the obturator which activating pivot is internally slidable in a through-hole afforded in the main body, means for manoeuvring which act on the activating pivot, and at least one seal arranged at the through-hole about the activating pivot and arranged adjacent to an internal mouth of the through-hole afforded in the main body.Type: ApplicationFiled: November 25, 2003Publication date: October 7, 2004Applicant: ARROW LINE S.R.LInventor: Roberto Amaduzzi
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Publication number: 20040195355Abstract: A new and improved bead-type hot melt adhesive dispensing nozzle, and a new and improved bead-type hot melt adhesive applicator nozzle assembly having the new and improved bead-type hot melt adhesive dispensing nozzle operatively incorporated thereon, is disclosed wherein the external peripheral surface portion of the bead-type hot melt adhesive dispensing nozzle has a thermal protective ring member, fabricated from a suitable plastic material, such as, for example, polyetheretherketone (PEEK), fixedly mounted thereon. In this manner, maintenance or operator personnel can manually manipulate the bead-type hot melt adhesive dispensing nozzle without being exposed to potential burn and safety hazards.Type: ApplicationFiled: February 28, 2003Publication date: October 7, 2004Applicant: ILLINOIS TOOL WORKS INC.Inventors: Edward W. Bolyard, Paul J. Donley, George Hoff
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Patent number: 6796515Abstract: A one touch valve for activating fluid flow between an inlet conduit and an outlet conduit is disclosed. The valve has a flow cylinder defining an inflow chamber in fluid communication with the inlet conduit and an outflow chamber in fluid communication with the outlet conduit. The flow cylinder includes an end plate and an intermediate plate having a center collar with an aperture. A flexible diaphragm is provided with a sealing surface in contact with the collar to create a seal. The diaphragm has an edge coupled to the intermediate plate and a small diameter hole providing fluid contact between the inflow chamber and an intermediate chamber which is defined by the intermediate plate of the flow cylinder. A plunger is placed on the diaphragm to create a seal with the opposite surface of the diaphragm from the sealing surface. A shaft has one end connected to the plunger and extends through the aperture of the diaphragm.Type: GrantFiled: December 19, 2003Date of Patent: September 28, 2004Assignee: L. R. Nelson CorporationInventors: Lawrence P. Heren, Scott Jacobs, Timothy R. Casica
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Patent number: 6786431Abstract: A novel portable conversion washing device for, including but not limited to, a car washing, building washing and boat washing is comprised of; 1) a brush head equipped with a soap water tank; 2) a water pipe with a water nozzle; 3) and a controlling handle for soap water and fresh water openings.Type: GrantFiled: February 3, 2003Date of Patent: September 7, 2004Inventor: James In Song
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Patent number: 6779745Abstract: A universal pressure washer extension/replacement hose adapted for use with pressure washers which have different diameter liquid discharge outlets. The extension hose has identical connecting fittings at its opposite ends, one of which can be coupled in sealed relation to a pressure washer outlet of either of two known sizes and the other of which is connectable to a spray gun hose through a universal adaptor having connecting chambers of said two known sizes.Type: GrantFiled: January 8, 2003Date of Patent: August 24, 2004Assignee: FAIP North America, Inc.Inventors: Gus Alexander, Morgan McCarthy, John Pianetto
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Patent number: 6776360Abstract: A gun-like spray device having a spray nozzle assembly at the discharge end and a reciprocatably movable valve needle for controlling the liquid flow through the discharge nozzle assembly. The nozzle assembly includes an orifice member which defines a liquid discharge orifice and a rigid valve seat for centering and precisely locating the valve needle in a closed position. An annular resilient sealing member is secured within the orifice member for engaging and creating a liquid seal about the valve needle separate and apart from the rigid seat when the valve needle is in a closed position. The spray nozzle assembly may be used with spray devices having different sized valve needles and includes a first rigid valve seat downstream of the resilient sealing member for receiving a relatively small diameter valve needle and a second rigid valve seat upstream of the resilient sealing member for receiving a relatively large diameter valve needle.Type: GrantFiled: June 26, 2001Date of Patent: August 17, 2004Assignee: Spraying Systems Co.Inventors: James Haruch, Gerald P. Ferrazza