Abstract: A trigger nozzle includes a barrel connected to a handle and a nozzle head is connected to a front end of the barrel. A water adjustable device is received in the trigger nozzle and includes an operation shaft which controls the volume of water entering the barrel. A trigger is connected to the barrel so as to operate the operation shaft and a knob is connected to the operation shaft and located at a rear end of the barrel so that the user may rotate the knob to change the volume of the water entering the barrel without soaking his/her hand.

Abstract: A nozzle beam for descaling or cooling metal strand material, particularly rolling stock, includes an inlet for the product treatment liquid and an additional inlet for a device cooling liquid, an outlet for the device cooling liquid, and a switching member for opening and closing the device cooling liquid outlet. The switching member is automatically switchable through a device cooling liquid pressure which controls the state of operation of the nozzle beam.

Abstract: A drip irrigation system is disclosed for delivering an irrigation fluid from an irrigation fluid supply source to one or more plants and includes at least one pressure regulation device in fluid communication with the irrigation fluid supply source, at least one fluid delivery device coupled in fluid communication to the pressure regulation device, and a weighted emitter coupled in fluid communication to the fluid delivery device. A kit for a drip irrigation system is also disclosed and includes at least one pressure regulation device adapted to be coupled to an irrigation fluid supply source, at least one elongated member having an internal passage adapted to couple to the pressure regulation device, at least one weighted emitter having an internal passage adapted to couple to the elongated member, and a package for the kit.

Abstract: An actuation mechanism is used with a sprinkler to allow water to flow out of the sprinkler or to shut off the flow of water. Rather than a conventional trigger, the activation mechanism uses a pushbutton assembly that can be toggled open or closed. This allows the person directing the sprinkler to use the sprinkler without undue stress on the hand and fingers from having to squeeze the conventional trigger. The actuation mechanism is comprised of a pushbutton, a guiding member, a limiting sleeve and a shell. The pushbutton, guiding member and limiting sleeve are housed in the shell. The pushbutton is attached to the guide member that selectively slides in the limiting sleeve. A connecting rod attached to the guiding member interfaces with the valve in the sprinkler and actuates the flow of water.

Abstract: An airbag inflation nozzle assembly for fluidic mating with an inflation valve assembly, including an inflation valve stem, upon an inflatable cargo airbag comprises a housing, and an inflation nozzle member, having an inflation nozzle tip, pivotally mounted within the housing between a first position at which the inflation nozzle tip is fluidically disengaged from the inflation valve assembly, and a second position at which the inflation nozzle tip is fluidically engaged with the inflation valve assembly. A transversely oriented camming button is movably mounted upon the housing between an UNLOCKED position so as to permit the inflation nozzle member to be moved to the first fluidically disengaged position with respect to the valve assembly, and a LOCKED position which forces the inflation nozzle member to be moved to the second fluidically engaged position with respect to the valve assembly.

Abstract: The present invention relates to a new atomiser for nasal or oral application of a medicinal-pharmaceutical aerosol, wherein the active ingredient formulation is always kept under sterile conditions. It is preferred that moisturisers, medicaments and/or wound healing agents are sprayed from the atomiser into the nose or the mouth.

Abstract: A flow resistance setting nozzle capable of easily being set at a target flow rate is provided. Metallic block has pipe receiving through-bore through which flow path forming metallic pipe is inserted. Pressing member in form of rectangular cross-section bar is brought into abutment with pipe at a first abut portion thereof. Anvil having distal end with arcuate surface is mounted to metallic block such that distal end abuts with pipe at a second abut portion thereof which is opposite to first abut portion. Coarse adjustment screw presses pressing member at center portion thereof against pipe with coarse adjustment force to squeeze pipe between pressing member and anvil to form an orifice by coarse amount in the pipe. Two fine adjustment screws impart a fine adjustment force to pressing member to thereby further squeeze pipe by fine amount until the target flow rate is set.

Abstract: A novel hand held water-misting apparatus (8) comprising of a latex tubing (10) having a first end and a second end, a valve open-close type (12) having a first end and second end, a misting nozzle (14) having a first end and a second end having a small misting hole, a shrink sleeving (28) securely attaching said valve open-close type (12) and said misting nozzle (14), a water hose connector (16), a flexible strap (26) having a first end and a second end, a pinch clip (24) having an open position and a closed position, an expandable decorative enclosure (18) having a first end and a second end. Said first end of said latex tubing (10) securely attached to said first end of said valve open-close type (12) by a tie clamp (31). Said second end of said latex tubing (10) securely attached to said water hose connector (16) by a tie clamp (30).

Abstract: An adaptor for use on a spray can which is normally operable by pushing down on a valve button with one's finger to open a valve and release pressurized contents in a sprayed pattern from a nozzle on the valve button. The adaptor releasably attaches to the top of the spray can and includes an actuator mechanism for holding the depressible valve button down in the open position, thereby allowing the pressurized contents of the can to be released from the nozzle without the use of the operator's finger. The actuator mechanism is operable between an on position, to hold the valve button down, and an off position to release the valve button in order to close the spray can valve when it is desired to interrupt spraying.

Abstract: A gardening pistol nozzle is provided with an automatic flow control structure including an inner retaining seat located in a handle of the pistol nozzle, two shifting mechanisms located in the handle, and an outer retaining seat located in a control knob of the pistol nozzle. The inner retaining seat and the outer retaining seat are provided with a series of teeth. The control knob is pivoted to the handle such that the outer retaining seat is pressed against by the two shifting mechanisms which are used to actuate the outer retaining seat to slide so as to result in engagement or disengagement of the teeth of the outer retaining seat with the teeth of the inner retaining seat.

Abstract: An air volume adjustment knob for a spray gun is provided at the rear end of the spray gun, a threaded opening connected through an airway to accommodate a tube, a ring, a bonnet, a spring and a bolt; a hole being provided in the tube; a shaft containing a screwed hole being protruded from one end of the tube; a polygonal block being formed at the end of the shaft; the ring with a threaded section being sleeved onto the shaft of the tube; a retaining hole being axially formed in the center of the bonnet; and an index being protruded from the bonnet; thus, the ring and the tube being fixed to the opening then secured with the bonnet in relation to the polygonal block of the tube to merely fix the tube to the opening with the ring and to control on and off of the airway through the hole of the tube by turning the bonnet.

Abstract: This above ground sprinkler system for a water supply provides a main supply hose having an inlet connected to the water supply and an outlet. A main valve is disposed between bib end of the hose and the water supply. A central station including a water supply inlet is connected to the main supply hose outlet and a plurality of hose outlets, each having an associated flow control valve, supplies water to sprinklers, or similar devices at the outer end of hoses which are connected at their inner ends to the outlets. A control system for directing the water supply to the individual hose outlets is provided including a timer. A relief valve is provided for draining water from the main supply hose and a backflow preventor valve is provided for preventing back-siphonage into the water supply.

Abstract: A manifold block for controlling the flow of liquids and useful in the application of paint to automotive vehicles and in other, similar, applications is provided. The manifold block houses at least one liquid inlet supply channel, at least one liquid outlet return channel, and an applicator channel in microvalved connection with the inlet channel and the outlet channel, which channels meet at a common intersection in adjacent proximity to the microvalve. Stagnation in any of the channels in either the “open” or “closed” mode of operation of the microvalve is substantially eliminated. A stacked array of a plurality of these manifold blocks may be interconnected through a common applicator channel.

Abstract: Spray apparatus comprising a spray carrier or liquid reservoir (1), a loop circuit, a first pump (2) for feeding sp iquid from the liquid reservoir (1) to the loop circuit (A, B, C, D), a spray chemical reservoir (5), chemical injection means injecting spray chemical from the spray chemical reservoir (5) into the loop circuit (A, B, C, D), a spray nozzle (6), a valve selectively connecting the spray nozzle (6) to the loop circuit (A, B, C, D), and a second pump (4) in the loop circuit (A, B, C for continuously circulating spray liquid and spray chemical in the loop circuit (A, B, C, D).

Abstract: A spraying method of a dispense system for preventing residue, wherein a precise amount of stream fluid is supplied from a fluid supply through a main tube to a nozzle, and the precise amount of stream fluid is sprayed onto a surface of a wafer. A sub-tube system, which comprises a bypass valve and a pin hole is utilized to refill the fluid to a void. A metering valve is used as a suck-back system to retrieve the remaining fluid in the main tube and prevent residue from occurring.

Abstract: A liquid crystal dispensing apparatus for controlling the amount of liquid crystal dropped onto a substrate by controlling the tension of a spring. The spring applies a force to a needle that forces the needle toward an opening on the end of the container so as to close the opening. A tension controller controls that length of the spring, and thus its force. A solenoid moves the needle against the spring when an electric source is applied to the solenoid such that the opening is opened. The spring tension controls the time required to return the needle to a position that closes the opening. The spring tension also controls the amount of liquid crystal that is ejected when the opening is opened.

Abstract: A tap has a flexible hose for delivering water and a support for the flexible hose. The support comprises a channel with an open mouth along its length. The flexible hose is removably mounted in the channel such that it is supported along at least the majority of its length and can be removed by lifting out of the mouth of the channel. When removed from its support the flexible hose extends the reach of the tap, and when mounted in the support it is kept in an orderly position where it does not interfere with e.g. washing and cooking. The tap can be wall or deck mounted. Preferably the channel is U-shaped and has a semi-circular cross section, which conforms to the shape of the hose. The hose may have a spray head at its distal end.

Abstract: A gluing device having therein a pressuring means which presses a glue container containing a liquid glue to eject contained glue from an ejection opening, a supply tube through which the ejected glue is transported from the glue container, a connecting means on the glue container side which connects the supply tube to the glue container, a connecting means on the supply tube side which detachably connects the connecting means on the glue container side to the supply tube, and a glue discharging means which receives the glue transported through the supply tube and delivers them from a nozzle opening, wherein there is provided a valve member provided inside the connecting means on the glue container side that makes the ejection opening to be opened and closed, and a protrusion is provided inside the connecting means on the supply tube side so that the protrusion presses the valve member to open the ejection opening when the connecting means on the supply tube side is connected to the connecting means on the su

Abstract: An irrigation apparatus comprises an in-line dripper insert having a support for attaching a micro tube to the dripper outlet. A fluid conduit in which the insert is placed has an aperture in line with the support. The support preferably comprises a projection for securing a micro tube thereto, a sleeve for securing a micro tube or a connector thereto, or a shoulder for supporting the attachment of a connector to the fluid conduit at the aperture. The dripper insert is secured to the inner surface of the fluid conduit and is contained entirely therein. After detachment of the micro tubes, the main fluid line may be easily reeled or otherwise handled. The internal dripper provides structural internal support to the main fluid conduit when external pressure is applied to the line, such as when a micro tube or a connector is forced against the fluid line to be connected thereto.

Abstract: A tool for deactivating a sprinkler head. The tool includes a housing, a first arm supported by the housing and a second arm supported for movement relative to the first arm. A first engagement surface is supported by the first arm and a second engagement surface is supported by the second arm. The first and second engagement surfaces are adapted for positioning intermediate a valve and a receiving support of the sprinkler head. A biasing member is operably connected to the second arm for urging the second engagement surface away from the first engagement surface. A handle is supported by the second arm and is moveable relative to the housing.

Abstract: An emitter (30) has a body section (40) and an outlet chamber member (50). The outlet chamber member (50) has wings (52, 53) that have free ends. The free ends are deformable to form a number of varying sized diameters so that the emitter (30) may be used in various diameter conduits (100). The emitter (30) may also have a deeper well portion for use in attaching a fitting (90) thereto. The emitter (300) has a first chamber (332) and a second chamber (352) which also provide for a deeper portion for use in attachment of a fitting (90) thereon.

Abstract: A sprinkler head assembly comprised of a base located at the upper end of a riser tube and which base carries a screen allowing for distribution of water. In accordance with the present invention, a control valve is located directly at the sprinkler head assembly. In one embodiment, the sprinkler head assembly may constitute a shrub or stationary head connected to the upper end of the riser tube. In this embodiment, the control valve would be preferably located in the body of the base of the stationary sprinkler head. In another embodiment, the sprinkler head assembly constitutes a pop-up sprinkler head and the control valve would be located in the pop-up shaft forming part of that sprinkler head. In still another embodiment of the invention, a retrofit coupling or adapter may be provided and which would be located between a riser tube and a sprinkler head forming part of that assembly. In this case, the adaptive coupling would include the control valve.

Abstract: A high pressure water control device comprising a water inlet, a high pressure water outlet, a low pressure water outlet and a valve for selectively communicating the inlet with one or other of the outlets. The valve is a spool valve comprising a sleeve and a spool slidable in the sleeve. The spool has two axially spaced apart annular seals and the sleeve includes an annular groove in its outer surface and one or more dump ports which communicate between the groove and the inside of the sleeve so that when the dump ports are disposed between the spaced apart seals of the spool high pressure water will he delivered to the high pressure water outlet. The control device is in the form of a water gun having an elongate nozzle terminating in the high pressure outlet and a barrel surrounding the nozzle and terminating in the low pressure outlet.

Abstract: An apparatus and method for releasing pressure and draining a high pressure water system includes a valve comprising a valve body having an inner cavity for water to flow therethrough, an inlet opening and an outlet opening in fluid connection with the inner cavity, a valve seat assembly comprising a first biasing member exerting a force against a valve plunger cooperating with a seal to thereby substantially close the valve at or above a predetermined system pressure, and an override comprising a manual activator having a second biasing member and a cooperating member positioned to transmit to said valve seat assembly a force applied by an operator, to thereby manually open the valve when pressure exceeds the predetermined system pressure.

Abstract: A shower flow control device for quickly shutting off the flow of water through a shower head. The shower flow control device includes a tubular member having open ends and a bore extending therethrough with the tubular member being adapted to attach to a shower head and to a shower pipe; and also includes a valve member movably disposed in the bore of said tubular member and being adapted to open and close the bore; and further includes a lever being connected to the valve member and being adapted to move the valve member.

Abstract: A simply constructed and easy-to-produce nozzle valve (1) for oil spraying of pistons in internal combustion engines is provided. The nozzle valve (1) is formed from a thin-walled sheet-metal housing (2), a nozzle (12), a valve body (8), and spring means (10) for the valve body (8). The spring means (10) act at one end directly against the valve body (8) and rest at their other end against a support (11) extending within the housing (2). This support (11) forms a single structural unit together with the nozzle (12).

Abstract: A hand grip structure of the pistol nozzle comprises an upper grip member, a lower grip member, a center tube, a control knob, and a protective cover. The center tube is enclosed by the upper grip member and the lower grip member and is provided with a channel, a water-admitting port and a water-discharging port. The channel is provided in the midsegment with a control cell in which the control knob is disposed such that a push button of the control knob is jutted out of the upper grip member. The control knob is provided with an arresting block. The protective cover is fastened with the lower grip member to soothe the hand. The rate of water flow in the channel is regulated by the control knob.

Abstract: A pressure regulating valve for controlling an upstream fluid pressure in relation to a reference pressure by regulating the fluid quantity let through the valve, comprising a housing (1) having an upstream inlet (2) and a downstream outlet (3) for the fluid, a pressure-sensitive element (5) for sensing the pressure difference between the upstream pressure and the reference pressure, and a spring-loaded regulating piston (7) which, in cooperation with a seat (8), is arranged to regulate a flow passage (9) between the inlet (2) and the outlet (3), the piston (7) being operatively connected to the pressure-sensitive element (5), to change its position relative to the seat (8) in accordance with the position of the pressure-sensitive element (5). The regulating piston (7) is slidably arranged on the outside of a guide sleeve (10) having openings (11) for the flow of fluid from the flow passage (9) to the outlet (3).

Abstract: A system mixes a chemical or other substance with a flowing liquid, such as water, for dispensation on a lawn, garden or other tract. The system includes a pipe containing the flowing liquid. A first reservoir is connected to the pipe and receives a portion of the flowing liquid. The first reservoir contains the substance and permits the substance to mix with the flowing liquid. After mixing, the flowing liquid mixed with the substance flows from the first reservoir back into the pipe. The system can also include a second reservoir also connected to the pipe. The second reservoir can also or alternatively receive a portion of the flowing liquid. The second reservoir contains either the same or a different chemical or other substance and permits the substance to mix with the flowing liquid. The flowing liquid after mixing with the substance flows from the second reservoir into the pipe. The pipe passes the liquid with mixed substance to a desired location of the tract.

Abstract: This channel switching apparatus comprises a first channel switching device (303) for switching a first main channel and a second main channel, a second channel switching device (305) for switching a third main channel and a fourth main channel, a third channel switching device (307) for switching a fifth main channel and a sixth main channel, and a fourth channel switching device (308) for switching a seventh main channel and an eighth main channel. Thus, a channel switching apparatus which can readily and correctly perform even by touch can be provided.

Abstract: A locking tensioning mechanism for a miniaturised high pressure generator is disclosed, which mechanism will allow delivery of a set volume of a liquid, and the volume to be delivered by a high pressure generator can be altered subsequently by adjusting one of the stops of the spring component, which locking tensioning mechanism may be used in a high pressure generator for producing an inhalable aerosol or in a needleless injector for injecting a volume of a liquid into animal or plant tissue.

Abstract: A shower head includes a housing supporting a low speed rotary valve member driven by a high speed rotary turbine to produce a variable flow rate. The turbine also produces pulsations of water streams discharged from the housing and is shifted axially to produce continuous water streams. A manually actuated control valve and passages with pressure responsive flow control washers provide for selecting different ranges of variable flow or for bypassing the variable flow.

Abstract: A pistol nozzle is provided with a flow control structure which is formed of a main body, an inner rack, an inner rack, a control lever, and two switching members. The two switching members are used to actuate the outer rack to slide toward one side to engage the inner rack so as to locate securely the control lever. When the outer rack is actuated to slide toward other side to disengage the inner rack, the control lever is set free.

Abstract: A water irrigation system includes a dripper tube having a plurality of water discharge openings along its length for discharging water at a slow rate from each opening; and a pulsator device connecting a water supply conduit to the dripper tube and producing a pulsatile water flow to the dripper tube having a frequency substantially exceeding one cycle per second (CPS). In a described preferred embodiment, the pulsator device is connected to the dripper tube by a connecting tube of a length and cross-sectional area such as to produce a resonant feedback system with the pulsator device producing a pulsatile water flow to the dripper tube having a frequency exceeding 10 CPS.

Abstract: With a device for applying a coating agent onto a cyclically moved substrate, a uniform coating thickness may be achieved, although the rate of advance not being constant, in that at least one spray valve (6) is provided which is permanently supplied with coating agent and the nozzle opening of which being adjustable with regard to the size of its effective discharge area in case of change of the rate of advance of the substrate according to the dependency, for a constant layer thickness of the coating agent, of the discharge rate of the coating agent out of the spray valve (6) on the rate of advance of the substrate.

Abstract: A shower head includes a housing supporting a low speed rotary valve member driven by a high speed rotary turbine to produce a variable flow rate. The turbine also produces pulsations of water streams discharged from the housing and is shifted axially to produce continuous water streams. A manually actuated control valve and passages with pressure responsive flow control washers provide for selecting different ranges of variable flow or for bypassing the variable flow.

Abstract: In a window washer nozzle of a window washer apparatus, washer liquid in a vertical liquid pipe is introduced into a horizontal liquid pipe through a filter and sprayed out from an orifice to a windshield. The filter is integrally molded in a coupling portion of the first and the second liquid pipes. An opposed wall of the filter is opposite to an inlet of the horizontal liquid pipe with a space L through which the washer liquid flows into the horizontal liquid pipe. The space L is smaller than a bore size W of the orifice. Therefore, foreign materials in the washer liquid larger than the bore size W are blocked at the filter, thereby restricting clogging of the orifice.

Abstract: A flow controllable shower stem or an adaptive attachment having a security control feature, which allows only authorized personnel to control the amount of water flow through a shower head. In particular, a small valve is located in the shower stem or adaptive attachment and has a threaded plug which can extend into and out of the axial water duct of the stem to thereby block water flow or permit water flow. A security type end is provided at the outer portion of the plug to permit control only by authorized personnel.

Abstract: A self-discharging drip irrigation system includes at least an elongated drip irrigation hose for operatively extending from a water supply, an emitter for directing water from the drip irrigation hose to a cultivating area, wherein the emitter comprises a flow regulating passage, wherein the flow regulating passage has at least an inlet section operatively connected to the irrigation hose, at least an outlet section for dripping the water to the cultivating area and a laminar flow region between the inlet section and the outlet section. The emitter further may comprises at least a venturi accelerator mounted on the inlet section. Whereby according to the “Bernoulli's Theorem” due to the land slop between the water supply and the cultivating area, which creates a gravity potential water is flowed from the water supply through the drip irrigation hose through the emitter and dripping to the cultivating area.

Abstract: An aerosol generator includes a fluid supply which supplies fluid to a fluid passage, a main heater which heats the fluid into a gaseous state and a preheater which delivers a volume of fluid to the main heater. The preheater can be located in or adjacent a metering chamber which receives a predetermined volume of fluid, the preheater heating a portion of the fluid so as to form a vapor bubble which ejects the remaining fluid from the chamber. An outlet of the aerosol generator is arranged to receive the volatilized fluid formed by the main heater and direct the volatilized fluid out of the fluid passage. The aerosol generator can be used to generate aerosols containing medicated materials.

Abstract: A distribution tube assembly for an irrigation system having a main supply line for conveying fluid therein includes a first end, a second end and an internal surface defining at least two fluid passageways, at least one of the fluid passageways being in fluid communication with the main supply line. The other fluid passageway may be in fluid communication with an alternate supply line. Adaptors and regulators may be attached to the distribution tube assembly. The distribution tube assembly permits irrigation to be performed by multiple fluid streams, allows for the incorporation of chemicals within the distribution tube assembly, and provides for selectable flow control.

Abstract: A tool for deactivating a sprinkler head. The tool includes a housing, a first arm supported by the housing and a second arm supported for movement relative to the first arm. A first engagement surface is supported by the first arm and a second engagement surface is supported by the second arm. The first and second engagement surfaces are adapted for positioning intermediate a valve and a receiving support of the sprinkler head. A biasing member is operably connected to the second arm for urging the second engagement surface away from the first engagement surface. A handle is supported by the second arm and is moveable relative to the housing.

Abstract: A closed circuit fuel nozzle for engaging an adapter on a fuel tank. The nozzle may include a body having an inlet aperture, a tubular assembly, an outlet aperture, and walls forming a closed flow path from the inlet aperture to a tubular assembly. The distal end of the tubular assembly may form the outlet for the nozzle. The tubular assembly may comprise a tube extending in the longitudinal direction and a sealing collar secured proximate the distal end to form the outlet. An articulator may provide resilient articulation of the sealing collar with respect to the tube about lateral and transverse axes. A biasing member may urge the tubular assembly distally in the longitudinal direction. A poppet valve may be selectively translatable in the longitudinal direction and shaped to stop flow through the body when seated against the sealing collar.

Abstract: An eyewash apparatus is disclosed that can be utilized on either side of an associated bowl or sink. Piping extending from spray heads to a housing overlaying a valve can be rotated into position over the sink or bowl. Rotation of the piping initiates or shuts off water flow to eyewash outlets at one end of the piping. The amount of rotation is limited by interaction of a pin traveling in an arcuate slot formed in that part of the apparatus secured to a surface adjacent the sink or bowl. The apparatus can be used on opposite sides of the sink or bowl without a structural change to any components of the apparatus.

Abstract: A spherical valve with a slanting grip includes a valve body provided on top with a fit member slanting in angle, having a valve hole in the center and a stir rod on one side. The stir rod protrudes out of the valve body through the fit member to be fixedly connected with the grip. The grip is positioned in a slanting angle so as to form a comparatively large space for turning around, obtaining effect of easiness and convenience in controlling.

Abstract: The invention relates to a device by sprinkler nozzle (1) for use in a sprinkler system. The sprinkler nozzle (1) comprises a sprinkler nozzle housing (2) with a passage (3) therethrough for liquid, and a sprinkler nozzle pin (4, 5) which is disposed in the passage (3) of the sprinkler nozzle housing (2). The purpose of the invention is to provide a sprinkler nozzle which spreads the liquid by a sufficient distance from the outlet of the sprinkler nozzle (1) both in a horizontal and in a vertical direction. This is realized by the sprinkler nozzle pin being constituted by an inner sprinkler nozzle pin part (4) which is fixed to the sprinkler nozzle housing (2), and an outer sprinkler nozzle pin part (5) which is displaceably arranged in the sprinkler nozzle housing (2). Further, the sprinkler nozzle pin parts (4, 5) are arranged coaxially to the passage (3) of the sprinkler nozzle housing (2).

Abstract: An injector is disclosed, in which the change in the internal pressure of each chamber is relaxed when a pressure application mechanism is reciprocating thereby to lengthen the service life of the component parts including a diaphragm portion.

Abstract: A water spraying gun includes a gun body having a mounting cavity with an upright mounting wall and a horizontal base wall. The mounting wall is formed with a pair of horizontal insert plates below amounting hole. A receiving space is formed between the insert plates and the base wall. A valve switch is mounted on the gun body within the mounting cavity. An operating lever has a mounting head portion with a vertical connecting rib extending between spaced-apart top and bottom walls, a pair of insert grooves on opposite sides of the connecting rib and between the top and bottom walls, and a forward mounting projection. The bottom wall has a valve engaging portion for engaging the valve switch. The mounting projection and the bottom wall extend respectively into the mounting hole and the receiving space to enable the insert plates to extend respectively into the insert grooves.

Abstract: A valve (12) for a motor vehicle air spring (2) having an ancillary volume (6) provides a finely metered continuous opening up to the complete cross section without throttle and a stable performance for flow forces results. The valve (12) is characterized by a star nozzle (50) which includes any desired number of slots nS (52) which mutually intersect and each slot has the length DS (58) and a width sS (56) and the slots are arranged so as to be concentric. The star nozzle peripheral length LUS (64) is increased compared to a round nozzle LUR. For the valve cross section, AVS=LUS·HS applies. The throughput cross section ADS of the star nozzle (50) is so large that it corresponds at least to the cross section AL of the inlet (68) and the outlet (70). A preferably triangular-shaped valley-like recess (66) is provided between each two mutually adjacent ones of the slots (52). The sealing body (40) of the valve (12) is preferably configured as a collar.

Abstract: An improved manually operated plant watering device is provided for watering plants in hard to reach places. The plant watering device includes an elongate hollow tube, flexible hose, and nozzle. Located within the hollow tube is a piston manually controlled by a handle for drawing water to within the elongate hollow tube or for projecting water from the elongate hollow tube through the flexible hose and nozzle. In a preferred embodiment, the plant watering device includes an extension pipe for extending the overall length of the plant watering device. Furthermore, preferably the plant watering device includes an impedance valve for impeding unwanted flow of water from the plant watering device.