Abstract: A carriage designed for supporting a power washer wand and its nozzle a predetermined, though adjustable, distance from a surface which is to be cleaned by high velocity water exiting a discharge orifice of the nozzle. The carriage is defined by a one-piece body molded from substantially high strength synthetic polymeric/copolymeric plastic material. The carriage body includes a platform having a converging front end nose upwardly from which projects a wand support having a channel in which a power washer wand is located and adjustably clamped. The platform includes two wheels at a rear end thereof and a single wheel beneath the front end nose.

Abstract: A sprinkler assembly comprising in combination a sprinkler mounting stake and a sprinkler comprising. The sprinkler comprises a sprinkler body formed with a support member receptacle and locking portion. The sprinkler mounting stake comprises a ground insertion portion and a sprinkler support portion. The sprinkler support portion comprises a lateral support member extending parallel to a longitudinal axis of the stake and retention member. The support member is insertable within the support member receptacle and a retention member prevents unintentional disengagement of the sprinkler body from the mounting stake.

Abstract: An irrigation spray stake for plants grown in pots utilizes an elongated stake member having an upper extremity and a lower extremity adapted to be inserted into the soil, with a spray head adjacent the upper extremity of the stake member, with an arrow or similar feature along the stake member between the upper and lower extremities to indicate the predetermined spraying direction of the spray head. The arrow or similar feature may be formed as a plate which rests against the surface of the soil, with the back edge of the plate resting against the inner surface of the nursery pot into which the stake is extended.

Abstract: A fluid spray apparatus with a controlled supply of pressurized fluid delivered through a network of tubes to a spray head having a plurality of stop flow valves and nozzles that will automatically shut off the flow of fluid out of the nozzles when the pressure of the fluid drops below a threshold level. The spray head preferably has a central chamber that is open to the stop flow valves and dampens any fluctuations in pressure and volume of fluid from the source of pressurized fluid. The nozzle is preferably mounted to the stop flow valve. The stop flow valve has a biased valve head that engages a seat until the pressure exerted on the valve head by the fluid exceeds a threshold level and the valve opens. One embodiment has a quick connect coupling with a base, seal and collar that will allow spray heads of various numbers of nozzles to be quickly exchanged. Another embodiment is adapted to couple with a conventional paint spray compressor and gun.

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.

Abstract: 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.

Abstract: A sprinkler includes a handle, a nozzle, and a connection structure for connecting the nozzle to the handle. The connection structure has an extension pipe and a connection member. The extension pipe is formed of an outer tube fastened at a bottom end to the handle, and an inner tube fastened at a top end to the nozzle. The connection member is formed of a first connector and a second connector. The first connector is engaged with a top end of the outer tube and is engaged with the second connector. The inner tube is slidably fitted at a bottom end into the top end of the outer tube through the first connector such that the inner tube is intimately embraced by the first connector.

Abstract: A pressure washer apparatus and method comprising a telescoping tube section which contains a hose. There is a forward outlet section having an outlet housing with a quick disconnect to the forward end of the hose in the telescoping tube section. A control section is located at the rear end of the telescoping tube section and makes a second quick disconnect connection to the hose. Releasable connectors are provided for the tube sections to lock the tube sections in place, and these comprise tapered threaded gripping fingers which combine with a locking nut with the threads of the two of the gripping fingers, and the locking nut having a taper end and thread configuration enabling the connection to be accomplished by only a very short rotation of the compression nut.

Abstract: A spray extension device for a spray can includes at least a pair of telescopable extension tubes fitted to and in fluid communication with the valve stem of a spray can. Advantageously, the extension tubes are fitted to a closure cap which, in turn, is fitted to the valve stem, and, thereby, in fluid communication with the interior of the can. Depressing of the closure cap causes the valve stem to issue fluid therethrough, into the tubes.

Abstract: An ergonomic hopper holder for use with spray application equipment includes a vertical support member having a holster end, an opposite hopper end, and a hopper hanger proximate to the hopper end. The holder also includes an arm member having a support end, a spray gun end, and a spray gun support proximate to the spray gun end for supporting a spray gun. The arm member is pivotably joined to the vertical support member. The holder further includes a holster and belt combination capable of being worn by an artisan.

Abstract: The present invention comprises a sprayer boom and is incorporated in a spraying apparatus which includes a vehicle, a tank, hoses connected to nozzles, and the sprayer boom. The sprayer boom includes a number of wing sections each including at least one single-piece component cut from a sheet of metal to form a web or truss structure which replaces the usual rods and welds support provided to sprayer booms of this nature. Obtaining the single-piece component by cutting it from a sheet of metal rather than constructing the truss-structure by use of many rods reduces material and labor costs. Spaced apart rungs or tabs on the bottom of the sprayer boom provide openings through which sprayer nozzles are aimed while the nozzles, hoses and connectors remain mostly recessed within the boom which provides physical protection from wind and other damage and still allows easy access for repair.

Abstract: A media discharge device includes a support member, a telescoping device supported by the support member, and a media discharge port provided at a first end of the telescoping device. The telescoping device is supported via a joint structure that allows the telescoping device to rotate with respect to the support member with at least one degree of freedom. The telescoping device includes a first member and a second member that moves with respect to the first member in an extending direction and a retracting direction. An actuator may drive the second member in the extending direction and in the retracting direction.

Abstract: A fire protection system has a plurality of sprinkler assemblies connected together in series. Each sprinkler assembly has a water manifold pipe, a pair of U-shaped supports, and a sprinkler head connected to the water manifold pipe. Each U-shaped support has a pair of legs with support rotator discs affixed to upper ends of the legs for pivotally connecting the U-shaped supports to the water manifold pipe. The manifold pipe extends through manifold rotator discs affixed thereto. Locking bolts extends through respective semi-circular slots formed in the rotator discs of the U-shaped supports and the manifold rotator discs for locking the U-shaped supports in a selected pivotal angle of adjustment. During use, the support legs of the front and rear U-shaped supports are supported by front and rear roof sections of a house with the apex of the roof extending between the pair of U-shaped supports.

Abstract: The invention is an extendible liquid-applying spray arm for use with a liquid source, such as an electrical sprayer. It includes one handle and at least two tubular members which are telescopingly engaged with and slideable along one another. Sliding the tubular members extends/retracts the spray arm respectively for treating/storage or to meet particular work needs which require that said extendible spray arm has a short length. When the spray arm is collapsed, the telescopic members are at least partially arranged within the handle, so that the global length of the spray arm is less than the additional lengths of the handle and the telescopic portion. The spray arm further comprises a spray member for spraying the liquid. A flexible tube extends around the tubular members and connects to the nozzle member, which is preferably coiled around the tubular members.

Abstract: An adjustable height inverted lawn and garden sprinkler is disclosed. The embodiment of the invention includes an integral base assembly, telescoping water pipe, swivel, water control valves, and sprinkler wands, said base attached to lower end of telescoping water pipe, said swivel attached to opposite end of telescoping water pipe, water control valves attached to a tee at the other end of said swivel and at right angles of said telescoping water pipe, and said wands attached to water control valves by threaded connection or other standard attachment means.

Abstract: A length adjustable conduit has a hollow tubular body and a hollow tubular shaft coaxially disposed in fluid tight communication with the hollow tubular body. The conduit further includes an adjustment mechanism for adjusting the combined length of the tubular body and tubular shaft.

Abstract: The carriage attachment includes a sheet metal frame bent to have a flat deck and angled splash guard. Two wheels are mounted on either side of the carriage frame. A spray nozzle is fitted underneath the carriage deck and a quick release coupling is used to connect the carriage attachment to the wand of a power washer. The wheels can be mounted to the carriage frame at different positions to adjust the height of the nozzle over the surface being cleaned. The carriage attachment allows the operator to maintain an upright posture while cleaning ground surfaces using a relaxed sweeping motion. The carriage attachment reduces operator fatigue by allowing the operator to simply guide the movement of the carriage attachment over the surface without having to stabilize the extension wand under the force of the pressurized water stream.

Abstract: A blow gun with an extensible wand includes a barrel for receiving and storing the wand. The wand passes through an inner collar and an outer collar, the inner collar mounted to the barrel and the outer collar eccentrically rotatable upon the inner collar. Rotation of the outer collar affects alignment of the bore of the outer collar with the bore of the inner collar. When the misalignment of the bores is increased, the wand is locked in a selected extension from the barrel.

Abstract: A power washer standoff includes: a shaft holder arranged to be attached to a pole of a delivery wand of a power washer with a shaft holder fastener, the delivery wand having a nozzle with a tip disposed on one end of the pole thereof; a shaft having a straight portion and a bent portion; a roller attached to the bent portion of the shaft; and a shaft lock attached to the shaft holder, the shaft lock locking the shaft in the shaft holder in a fixed relationship with the pole upon the shaft being arranged within the shaft holder. The shaft is selectively adjustable within the shaft holder to adjust a relative position between the tip of the nozzle of the delivery wand and the roller such that the roller maintains the tip of the nozzle at a selected uniform distance from a surface to be washed by the power washer.

Abstract: A spray nozzle mechanism includes a fluid conduit which has an operating handle on one end and a spray nozzle unit on another end. A linkage connects the operating handle to the spray nozzle unit to move the spray nozzle unit in response to operation of the operating handle. A stop unit limits the movement of the spray nozzle unit.

Abstract: A device for spraying pesticides and/or agricultural treatment chemicals has a housing configured to retain a spray canister, an actuator rod on the housing configured to contact an overcap attached to the canister, a shaft connected to the housing, and a linkage to reverse a triggering force so that the actuator pushes against the overcap. Attachments can be provided in front of the sprayer nozzle, such as a shroud to limit back spray, a rake to disturb soil prior to treatment, a tapered director to focus spray in corners, or a fan shaped outlet to provide a wide spray.

Abstract: A rotating bearing assembly for a sprinkler coupled to a pipe segment is disclosed. The bearing assembly has a stem which permits fluid flow. The stem has a bottom open end with a collar and a top open end which is connected to a cap. The cap allows connection to a sprinkler head which rotates from water pressure through the pipe segment. The stem conduit rotates in relation to a sleeve which is frictionally fitted within the pipe segment. A plurality of washers is located between the collar and the bottom of the sleeve to provide a water seal under high pressure conditions. Another group of washers is located between the top of the sleeve and the cap to provide additional sealing under low pressure conditions.

Abstract: A long-handled spray gun with a rotary head has a connector head, a rotary member, a fixed member, a connection, part, a long tubular rod, a block, a fixing bolt, a large and a small ring washers and a flexible locating member wherein the rotary member screw joined to the connector head at one side is pivotally engaged with the fixed member with the large and small ring washers adapted therein and the flexible locating member inserted into one of locating slots of the rotary member for proper location thereof, and the connection part is coupled with the fixed member and the long tubular rod at both ends respectively. The fixing bolt is adapted to pivotally engage the rotary member with the fixed member thereof and the block having a serrated polygonal flange disposed thereon is matched to a serrated polygonal fixing head of the fixed member, preventing the fixing bolt from coming off when the rotary member thereof are pivotally rotated.

Abstract: A gardening spray nozzle includes a handle and a barrel. The handle is provided with a hollow neck which is provided in the inner wall with one retaining projection and an annular furrow. The barrel is provided in the wall of a fastening end with a retaining slot, and in the outer surface of the wall with an annular groove. The barrel is fastened to the handle in conjunction with a retaining ring and a ferrule which is fastened to the neck. The retaining projection of the neck is fitted into the retaining slot of the barrel to prevent the radial displacement of the barrel. The retaining ring is jointly located in the annular furrow of the neck and the annular groove of the barrel to prevent the axial displacement of the barrel.

Abstract: An irrigation spray device has a substantially cylindrical peg for insertion into a water supply tube. A longitudinal water supply groove extends along the peg, with a water deflecting plate at one end of the groove for deflecting water traveling downwardly along the groove into an outwardly directed spray. The water deflecting plate has a smooth, convex curved or part-conical shape for forming a smooth, continuous, cone-shaped spray. The supply groove may be U-shaped for improved uniformity.

Abstract: A pressure washer apparatus and method comprising a telescoping tube section which contains a hose. There is a forward outlet section having an outlet housing with a quick disconnect to the forward end of the hose in the telescoping tube section. A control section is located at the rear end of the telescoping tube section and makes a second quick disconnect connection to the hose. Releasable connectors are provided for the tube sections to lock the tube sections in place, and these comprise tapered threaded gripping fingers which combine with a locking nut with the threads of the two of the gripping fingers, and the locking nut having a taper end and thread configuration enabling the connection to be accomplished by only a very short rotation of the compression nut.

Abstract: A device for mounting and controlling a paint spray gun, caulking gun, or similar device on an elongate extension member in order to work on high or hard to reach surfaces without a ladder or scaffold. The device includes a head to which a standard gun can be releasably attached, a pivot adjustment to point the gun in the desired direction, and a trigger cam and strap to move the gun trigger, and a trigger pole rotated by the hand of the operator and connected to the trigger cam. The device allows for fine adjustment of the gun trigger and counteracts the gun kickback when it sprays, thus producing uniform paint spraying.

Abstract: A two-way hydraulic cylinder assembly which is operated in “pump up” or “pump down” modes is used to position a boom/tower unit having a snow gun at the end of the boom. The assembly has a third “locked” that prevents any hydraulic fluid flow. In the pump down mode, the assembly is capable of automatically routing hydraulic fluid flow to enable the unit to free fall if its weight and gravity force is greater than an opposing force. In a specific embodiment, the cylinder assembly includes a two-way hydraulic cylinder which is attached to a tank forming a hydraulic fluid reservoir. A manual reciprocable pump is connected by a first one-way conduit to the reservoir when the pump is on the fill stroke. A second conduit partly connects the pump outlet on a discharge stroke with a first end chamber of the cylinder to lengthen the cylinder and connects the second end chamber with the reservoir.

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 roof cleaning system for enabling an individual to conveniently and safely clean a roof or other elevated surface. The roof cleaning system includes a telescoping tube fluidly connectable to a hose of a pump, a main tube fluidly connected to the telescoping tube, a plurality of nozzles fluidly connected within the main tube extending downwardly, a pair of arms attached to opposing ends of the main tube, a pair of cutouts within the arms for slidably receiving a corresponding pair of extended members, and a pair of wheels attached to the extended members for movably supporting the main tube substantially parallel above a surface of a roof.

Abstract: A media discharge device includes a support member, a telescoping device supported by the support member, and a media discharge port provided at a first end of the telescoping device. The telescoping device is supported via a joint structure that allows the telescoping device to rotate with respect to the support member with at least one degree of freedom. The telescoping device includes a first member and a second member that moves with respect to the first member in an extending direction and a retracting direction. An actuator may drive the second member in the extending direction and in the retracting direction.

Abstract: A device for mounting and controlling a paint spray gun, caulking gun, or similar device on an elongate extension member in order to work on high or hard to reach surfaces without a ladder or scaffold. The device includes a head to which a standard gun can be releasably attached, a pivot adjustment to point the gun in the desired direction, and a trigger cam and strap to move the gun trigger, and a trigger pole rotated by the hand of the operator and connected to the trigger cam. The device allows for fine adjustment of the gun trigger and counteracts the gun kickback when it sprays, thus producing uniform paint spraying.

Abstract: A nozzle assembly includes a connector tube having a first end and a second end. An outer surface of the connector tube is threaded. A first cap having an opening therethrough is threaded onto the first end of the connector tube. A second cap having an opening therethrough is threaded onto the second end of the connector tube. Each of the first and second caps has a top surface and a threaded inner surface. The nozzle assembly further includes a nozzle having a tubular portion defining a channel. The tubular portion is disposed in the opening of the first connector cap so that a position of the nozzle can be axially and rotationally adjusted. A spin, rinse, and dry station including the adjustable nozzle assembly and a method for spin rinsing the bottom side, i.e., the backside, of a semiconductor wafer also are described.

Abstract: The present invention is a squeegee with squeegee handle and remote spraying device, which includes a squeegee section having an enclosed container for holding liquid, a sprayer head, which is in connection with the squeegee section, and a surface extending in a lengthwise direction. The enclosed container has a threaded neck. The sprayer head has a threaded cap adapted for engaging the threaded neck, as well as a dispensing means for dispensing the liquid. The dispensing means includes a trigger being in connection with a conduit, a nozzle at an end of the sprayer head, and pressure inducing means for inducing a pressure change in the conduit so as to draw spraying agent into the conduit and out of the nozzle. The conduit extends through the threaded cap and into the enclosed container. There is also a squeegee blade attached to the sprayer head and being nearly perpendicular to the surface of said enclosed container.

Abstract: A water spray device for cleaning the hull of a boat is disclosed. The spray device includes a handle and wand portion. The handle portion has an angled portion separating an upper and lower part, a channel formed through the handle and a top and bottom open end. The top end engages a hose connected to a water source. A shut-off valve is disposed within the handle channel proximal to the top end. The wand portion is an elongated tube having an channel formed therein, an open top end for engaging the handle bottom end, a closed bottom end and a plurality of spray nozzles disposed along the wand. Water enters the handle portion, flows into the wand portion and out the spray nozzles. A user of the novel water spray device simply positions the spray nozzles towards the boat hull from the deck of the boat while holding the spray device and walks around the perimeter of the boat to quickly, easily and thoroughly clean the boat hull.

Abstract: A wildfire protection system has rotating sprinklers (1) on sprinkler legs (2) positioned temporarily or indefinitely as needed on roofs (10) with the sprinkler legs resting on opposite slopes (6) from a ridge (5) of the roof and removed for sprinkler irrigation or easily disassembled for compact storage when not in use for wildfire protection. The rotating sprinklers can wet not only roof tops but also nearby trees (13), shrubs (14) and areas for protection against flying sparks and burning particles. The rotating sprinklers are preferably a low-weight plastic type and the sprinkler legs are preferably four low-weight plastic members that intersect at a series connection for garden-hose water supply to one or more of the rotating sprinklers. The rotating sprinklers are saddled on a roof top with two of the sprinkler legs placed on each of two opposite roof slopes. Low weight of the rotating sprinklers allows them to be placed easily on roofs with access by ladder or structured to be positioned indefinitely.

Abstract: A swivel lawn sprinkler includes a mounting rack for mounting, a water tube vertically connected to the mounting rack by a hose connector and adapted to receive water from a water source through the hose connector, a pipe connector fastened to the top end of the water tube, the pipe connector having a collar of oval profile disposed around the periphery thereof, and a swivel sprinkler head coupled to the pipe connector and forced to rotate on the pipe connector upon passing of water from the water tube, the swivel sprinkler head having a figured frame, and two wings coupled to figured frame and forced by the periphery of the collar of oval profile to move up and down upon rotary motion of the swivel sprinkler head on the pipe connector.

Abstract: An extension assembly is provided for mounting the nozzle assembly of a polyurethane foam spray gun at a location spaced forwardly of the gun housing for operation of the nozzle assembly to mix and dispense chemical constituents in response to standard operation of the spray gun through the trigger mechanism thereof.

Abstract: An adapter for connecting a glass ornament to the metal blind bore upright found in standpipe-type sprinkler heads. The adapter is configured to be permanently secured over a base portion of the glass ornament, and further has a lower oversleeve portion adapted to be removably secured over an upper end of the blind bore upright.

Abstract: A swivel lawn sprinkler includes a mounting rack for mounting, a water tube vertically connected to the mounting rack by a hose connector and adapted to receive water from a water source through the hose connector, a pipe connector fastened to the top end of the water tube, the pipe connector, a swivel sprinkler head coupled to the pipe connector and forced to rotate on the pipe connector by water pressure when sprinkling, and a slide coupled to swivel sprinkler head and forced to move two ornaments alternatively up and down and to oscillate symmetrical pairs of wings up and down upon rotary motion of the spray tube.

Abstract: A sprayer device includes a tube extended from a sprayer member and a hose coupling the tube to a water reservoir. A pipe is slidably engaged on the hose and the tube. A control ferrule is engaged on the pipe and has an inclined inner peripheral surface for adjustable forcing and securing the pipe to the tube. One or more conduits may further be adjustably secured to the pipe. The pipe and the conduit may be easily and quickly adjusted relative to the tube and the pipe respectively and will not affect the water tight seal between the hose and the tube.

Abstract: A fire fighting monitor apparatus has a casing having a main inlet pipe for receiving water under pressure from a water source and a plurality of outlet arms extending from the inlet pie. Each of the outlet arms has an elbow formed therein. The casing has a main rotary joint formed therein for rotating the casing and the plurality of outlet arms. Each outlet arm has an outlet arm rotary joint therein positioned between the main inlet pipe and the outlet arm elbow for rotating a portion of each casing outlet arm. A swiveling nozzle is coupled to each outlet arm for directing water from each outlet arm separately. Each swiveling nozzle has a ball joint having a passageway therethrough and having a threaded collar thereover for tightening the swiveled nozzle into any outlet position desired. The main rotary joint has an annular rack gear engaging a worm gear having a handle thereon for rotating the main inlet pipe and the plurality of outlet nozzles.

Abstract: A lawn sprinkler system is provided for receiving fluid from a fluid source and distributing the fluid over an area. The lawn sprinkler system includes multiple lawn sprinklers for distributing fluid over corresponding portions of the area. Stake assemblies are provided for supporting the lawn sprinklers above a supporting surface. Each stake assembly includes an input operatively connected to the fluid source, a first output for providing fluid to the corresponding sprinkler, and a second output. A conduit interconnects the second output of one of the stake assemblies to the input of an adjacent stake assembly to connect the adjacent stake assembly to the fluid source.

Abstract: A spraying apparatus for crops having unusually high trees, the spraying apparatus comprising means for producing a vertical flow of air with an agrochemical product, an air conduit having an inlet connected to a discharge of the flow producing means and also having an outlet, spraying means for producing a mist from the air flow with the agricultural product and spraying the mist to a tree, the air conduit being flexible and bellows-shaped, and means for extending and retracting the air conduit so that the air conduit can be extended and retracted according to a height of the tree and to position the spraying means at a corresponding height for spraying the mist to a desired target.

Abstract: A mister and an electric fan combination is mounted upon a vertical stand. The mister has a housing arranged to define a curvature that is concentric with a rotational center of rotary fan blades and with the central back of the fan. The housing is attached to the fan guard grill. The mister has a flexible hose extending from a junction with the housing to a location distal from the housing to convey pressurized fluid from a source. The electric fan is pivotally connected on diametrically opposite sides to a connection structure, which is raised by a pole from a base structure.

Abstract: A stowable device for washing the underside and wheel well regions of a vehicle includes a base member joined at one end to a handle member such that the angle between the members can vary. A water jet disposed adjacent the distal end of the base member has a slit-like outlet. A length of flexible tubing couples the water jet to a trigger handle and waterjet valve located on the free end of the handle member. A source of water is coupled to the trigger handle, and passes through the flexible tubing and out the waterjet when the user presses the water jet valve. At least one non-swivelling wheel assembly is attached to the base member. The ratio between the length of the base member and the width of the wheel assembly preferably exceeds about 20:1 to promote maneuverability of the device.

Abstract: A handle structure for a long handled sprinkler is made up an elongated tube, a rubber ring retainer and a sprinkling head. At the bottom end of the elongated tube is disposed a control switch and a switch knob is disposed on the outer surface of the control switch with a retaining space formed between the control switch and the switch knob. At the lower portion of the elongated tube is attached a slip-proof grab which is made of flexible rubber. The rubber ring retainer disposed at the top end of the rubber grab is provided with a smoothly tapered surface on which are disposed a plurality of radially extended ribs.

Abstract: A sprinkler nozzle including a grip which is fastened to an outer pipe. An inner pipe is received in the outer pipe such that the inner pipe can be extracted or retracted in conjunction with a control member. The outer pipe is provided at the top end with a pivoting member for fastening rotatably a head through which water is emitted in a specific direction.

Abstract: A lightweight snow making tower having a substantially vertical support pole anchored in the ground and an aluminum support pipe coaxially received on the pole for axial rotation thereon. An elongated aluminum support arm C-channel having spaced upturned side flanges is pivotally secured intermediate its ends relative to the upper end of the support pipe. In turn, an elongated aluminum snow making tower pipe is clamped adjacent its lower end on the support arm C-channel with side portions of the tower pipe protruding into the channel between the side flanges. A removable lock locks the C-channel and support pipe from further relative rotation therebetween.

Abstract: A portable snow making system for home use which is mounted on a hand towable vehicle for easy portability. An elongated telescoping support pole is detachably supported from the base of the vehicle and a snow making gun is mounted on the upper end of this support pole to provide a snow making tower. Snow making nozzles are provided in the gun for ejecting air and water under pressure into the ambient subfreezing atmosphere for manufacturing snow. A high pressure water pump, connected to a common house water spigot, and an air compressor are also mounted on the vehicle to provide sources of water and air under pressure to the snow gun.