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1
US2005178857A1
Publication/Patent Number: US2005178857A1
Publication date: 2005-08-18
Application number: 11/052,208
Filing date: 2005-02-08
Inventor: Roman, Gianfranco  
Abstract: A liquid spraying pistol is described, in particular for gardening, comprising an external casing (2) passed through by a channel (5) within which a valve (7) is slidingly housed which is biased by a spring (16) and is operable by a start lever (4) which is turnable between a closing position and a maximum opening position of said valve (7) and a device for the locking/unlocking of said lever (4) in maximum opening position. Said device is made up of a button (9) elastically supported by said lever (4) in such a way as to be able to provide, with the lever (4) in maximum opening position, a locking engagement between said lever (4) and the external casing (2). A liquid spraying pistol is described, in particular for gardening, comprising an external casing (2) passed through by a channel (5) within which a valve (7) is slidingly housed which is biased by a spring (16) and is operable by a start lever (4) which is turnable between a ...more ...less
2
US2005161535A1
Publication/Patent Number: US2005161535A1
Publication date: 2005-07-28
Application number: 10/762,797
Filing date: 2004-01-22
Abstract: An apparatus and method for increasing the distance reached by the spray from a spray gun include the use of a trigger (200) having a first grasping position (220) and a second grasping position (230) are described. The trigger (200) attaches to a gun body (250) that is mounted to a handle (255). The trigger (200) includes a bend (240) that connects the first grasping position (220) to a second grasping position (230) and allows the trigger (200) to be squeezed proximately close to a handle (255) without interference with a hand rest (265) of the handle (255). An apparatus and method for increasing the distance reached by the spray from a spray gun include the use of a trigger (200) having a first grasping position (220) and a second grasping position (230) are described. The trigger (200) attaches to a gun body (250) that is mounted ...more ...less
3
US2005284962A1
Publication/Patent Number: US2005284962A1
Publication date: 2005-12-29
Application number: 10/528,478
Filing date: 2003-03-07
Inventor: Mukai, Kazuyo  
Assignee: TOTO LTD
Abstract: In a shower nozzle of the present invention, a holding portion (1a) having a water flow passage communicating with a hot/cold water inlet formed therein and a water spraying portion (1b) having a plurality of water passing holes provided therein are connected to each other through an open/close valve (6) detachably disposed at one end portion of the holding portion (1a) or the water spraying portion (1b) to form a nozzle body (1c) and a push button (12) for performing the open/close operation of the open/close valve is detachably fitted to the other end of the water spraying portion (1b), whereby water can be jetted and stopped by merely pressing the push button from above in a state of the shower nozzle locked to a shower hook to increase an operability, and the shower nozzle can be easily converted into a type not having a water jetting and stopping function or a type having the water jetting and stopping function. In a shower nozzle of the present invention, a holding portion (1a) having a water flow passage communicating with a hot/cold water inlet formed therein and a water spraying portion (1b) having a plurality of water passing holes provided therein are connected to each other ...more ...less
4
US2005023379A1
Publication/Patent Number: US2005023379A1
Publication date: 2005-02-03
Application number: 10/630,229
Filing date: 2003-07-30
Inventor: Lau, Ping  
Assignee: Lau, Ping
Abstract: 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. 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 ...more ...less
5
US2005001068A1
Publication/Patent Number: US2005001068A1
Publication date: 2005-01-06
Application number: 10/498,176
Filing date: 2003-01-14
Abstract: A hand trigger (16) is pivotally mounted on the handlebar (12) of the striper (14). A pair of selectors (26) are pivotally mounted at the trigger pivot points. The selectors (26) are made from a spring or spring-like steel, which allows the selectors (26) to springingly deform for gun selection and adjustment yet return to their original position and shape. This allows delayed gun activation, disabling of one or both guns from the trigger (16) and functioning as a one-handed gun selector. A hand trigger (16) is pivotally mounted on the handlebar (12) of the striper (14). A pair of selectors (26) are pivotally mounted at the trigger pivot points. The selectors (26) are made from a spring or spring-like steel, which allows the selectors (26) to springingly deform ...more ...less
6
US2005121542A1
Publication/Patent Number: US2005121542A1
Publication date: 2005-06-09
Application number: 10/731,180
Filing date: 2003-12-09
Inventor: Su, Lim Howard  
Abstract: 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. 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 ...more ...less
7
US2005127212A1
Publication/Patent Number: US2005127212A1
Publication date: 2005-06-16
Application number: 10/737,015
Filing date: 2003-12-16
Inventor: Kassanits, Richard  
Abstract: A spraying system is provided including a spray gun and a spray nozzle. The spray gun has a discharge end. A locating pin is arranged on the discharge end of the spray gun. The spray nozzle is selectively mountable on the discharge end of the spray gun. The spray nozzle has a discharge orifice configured to produce a asymmetrically distributed fluid discharge pattern wherein the location of maximum fluid discharge is offset from the center of the fluid discharge pattern. The spray nozzle has an alignment notch extending along an outer surface of the spray nozzle. The locating pin is arranged on the spray gun and the alignment notch is arranged on the spray nozzle such that when the spray nozzle is mounted on the discharge end of the spray gun in a predetermined orientation the locating pin extends into the alignment slot. A spraying system is provided including a spray gun and a spray nozzle. The spray gun has a discharge end. A locating pin is arranged on the discharge end of the spray gun. The spray nozzle is selectively mountable on the discharge end of the spray gun. The spray nozzle has a ...more ...less
8
US2005145725A1
Publication/Patent Number: US2005145725A1
Publication date: 2005-07-07
Application number: 10/748,620
Filing date: 2003-12-30
Inventor: Chan, Lai  
Assignee: Chan, Lai
Abstract: A water dispenser for use as a shower head and the like having another body of one plastic and a pre-formed molded plastic water channel to and around which the outer body is chemically and mechanically bonded.
9
US2005045747A1
Publication/Patent Number: US2005045747A1
Publication date: 2005-03-03
Application number: 10/625,988
Filing date: 2003-07-24
Inventor: Hacquebord, Charles  
Abstract: A remotely controllable apparatus and technique for the removal of “CRUD” from surfaces within a nuclear Reactor Pressure Vessel includes a flexible, high pressure water jetting lance assembly for delivering intense water pressure (up to 20,000 psi) via nozzle(s) directly to the areas containing the highly radioactive “CRUD” material. The jetting lance assembly is positioned to the contamination site with either a guide tube having any predetermined shape and into which the lance assembly is disposed or a positioning member attached to the lance assembly, either of which may be torqued and manipulated until the nozzle end of the lance assembly is in position. Various other embodiments include multiple nozzles, adapters that have a specific shaped lumen, one or more sensor devices is communication with processing units near the proximal end of the apparatus. A remotely controllable apparatus and technique for the removal of “CRUD” from surfaces within a nuclear Reactor Pressure Vessel includes a flexible, high pressure water jetting lance assembly for delivering intense water pressure (up to 20,000 psi) via nozzle(s) ...more ...less
10
US2005279864A1
Publication/Patent Number: US2005279864A1
Publication date: 2005-12-22
Application number: 10/868,898
Filing date: 2004-06-17
Inventor: Fan, Chen-yueh  
Abstract: A showerhead assembly includes a cup and a showerhead. The cup is attached to the showerhead to concentrate a stream of water so that a user is able to enjoy a massaging effect when the stream of water impacts the user's body.
11
US2005098666A1
Publication/Patent Number: US2005098666A1
Publication date: 2005-05-12
Application number: 10/752,813
Filing date: 2004-01-08
Inventor: Wang, King  
Assignee: Wang, King
Abstract: A water sprayer assembly includes a threaded fitting having a threaded outer periphery and a passage is defined through the threaded fitting. A first end of the threaded fitting has an enlarged first end and a knurl surface is defined in an inner periphery of the passage. The threaded fitting is connected to a sprayer head. A pipe has a first end extending through the passage of the threaded fitting and being in flush with a second end of the threaded fitting. An outer surface of the pipe is securely pressed on the knurl surface of the threaded fitting. A water sprayer assembly includes a threaded fitting having a threaded outer periphery and a passage is defined through the threaded fitting. A first end of the threaded fitting has an enlarged first end and a knurl surface is defined in an inner periphery of the passage. The ...more ...less
12
US2004140379A1
Publication/Patent Number: US2004140379A1
Publication date: 2004-07-22
Application number: 10/626,844
Filing date: 2003-07-23
Inventor: Dexter, Shane  
Assignee: Dexter, Shane
Abstract: A surface cleaner for assemblies having a spray nozzle such as pressure washers, spray wands, spray lances, and the like. The surface cleaner includes a guide having wheels in line with the spray nozzle for substantially maintaining the distance from the spray nozzle to a surface through a variety of angles assumed by the spray wand or the like. In exemplary embodiments, the guide is capable of being moved up and down the spray lance or the like for control of the cleaning force, and a set of markings may be provided on the guide, the spray lance, or the like for indicating the appropriate distance for the spray nozzle from many different surfaces. Additionally, the guide allows for one handed operation of the spray wand assembly. A surface cleaner for assemblies having a spray nozzle such as pressure washers, spray wands, spray lances, and the like. The surface cleaner includes a guide having wheels in line with the spray nozzle for substantially maintaining the distance from the spray nozzle to a ...more ...less
13
US2004195383A1
Publication/Patent Number: US2004195383A1
Publication date: 2004-10-07
Application number: 10/720,099
Filing date: 2003-11-25
Inventor: Amaduzzi, Roberto  
Abstract: 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. 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 ...more ...less
14
US2004188549A1
Publication/Patent Number: US2004188549A1
Publication date: 2004-09-30
Application number: 10/806,134
Filing date: 2004-03-23
Assignee: KWC AG
Abstract: 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. 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 ...more ...less
15
US2004227017A1
Publication/Patent Number: US2004227017A1
Publication date: 2004-11-18
Application number: 10/437,612
Filing date: 2003-05-15
Inventor: Kao, Wen Li  
Assignee: Kao, Wen Li
Abstract: 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. 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 ...more ...less
16
US2004217205A1
Publication/Patent Number: US2004217205A1
Publication date: 2004-11-04
Application number: 10/411,003
Filing date: 2003-04-09
Abstract: 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. This reduction in vibrational energy transmission decreases operator fatigue and stress. The pad is deformable which provides the operator with added comfort by improving the fit between the operator's palm and the spray gun handle grip, thus reducing fatigue and stress. The material of the pad allows for a better grip by the operator on the spray gun handle. In addition, the material of the pad combined with its positioning against the operator's palm acts to distribute heat away from the hand of the operator. The pad is designed to accommodate different hand sizes and shapes without the need to remove and replace hand grip covers or sleeves. The deformability of the pad also allows the operator to modify his or her hand positions during operation which reduces operator fatigue and stress. 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 ...more ...less
17
US2004251321A1
Publication/Patent Number: US2004251321A1
Publication date: 2004-12-16
Application number: 10/441,485
Filing date: 2003-05-19
Abstract: 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. 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 ...more ...less
18
US2004222320A1
Publication/Patent Number: US2004222320A1
Publication date: 2004-11-11
Application number: 10/436,410
Filing date: 2003-05-08
Inventor: Wu, Sheng-li  
Assignee: Wu, Sheng-li
Abstract: 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. 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 ...more ...less
19
US2004118947A1
Publication/Patent Number: US2004118947A1
Publication date: 2004-06-24
Application number: 10/671,765
Filing date: 2003-09-29
Inventor: Amaduzzi, Roberto  
Abstract: The activating mechanism comprises a manually-operated control lever rotatably constrained at a first end thereof to a pivot arranged in proximity of a front portion of a handle grip of a spray gun and an activating lever acting on a pusher element of an intercept valve. The activating lever has a first end portion which is rotatably constrained on a hinging pivot arranged in proximity of a back portion of the handle grip and a second end portion which is operatively constrained to the control lever. The activating mechanism comprises a manually-operated control lever rotatably constrained at a first end thereof to a pivot arranged in proximity of a front portion of a handle grip of a spray gun and an activating lever acting on a pusher element of an intercept valve. The ...more ...less