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 fire fighting apparatus comprising a container with two tanks therein, one holding a quantity of water and another holding a quantity of foaming agent, a pump operated by a gasoline engine, several hoses for directing a water/foam mixture at a fire and for refilling the water tank with water from a source, and a valve system for directing the water/foaming agent mixture through two different hoses at the fire while water from a source is used either directly on the fire or for replacing water taken from the tank. The apparatus is held within a container mounted on casters so that it can be conveniently wheeled about. The unit is adapted for use in areas remote from fire departments.

Abstract: A power washer that is foldable and that may be hung on a wall in the folded configuration. The power washer includes front and rear legs. The front legs and rear legs fold in toward one other and under a prime mover so as to make the power washer more compact when hung. The front legs are formed integral with a handle, and the front legs and handle rotate relative to the prime mover. This feature permits the folded power washer to be hung from the handle, and enables the power washer to be hung so that the prime mover is held in an upright position. The rear legs may be pivotally attached to the front legs, so that folding of the front legs causes a corresponding folding of the rear legs.

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: In one aspect of the invention, the tool includes: a housing having a front wall, a back wall, a top wall connecting the front and back walls, an interior surface, a liquid-delivery opening, and a soil-uptake opening, the soil-uptake opening being connectable to a vacuum source; a first squeegee blade depending from the front wall; a second squeegee blade depending from the back wall; an interior space defined by the interior surface, first squeegee blade, and second squeegee blade; a diverter valve connected to the housing, the diverter valve having at least an inlet, a first outlet, a second outlet, and a diverter, the diverter capable of selectively directing the flow of a pressurized liquid from the inlet to either the first outlet or the second outlet, the diverter valve being connectable to a pressurized-liquid source; a high-pressure nozzle connected to the first outlet of the diverter valve, the high-pressure nozzle constructed and arranged to deliver a liquid into the interior space via the liquid-de

Abstract: A lawn irrigation system including a frame, a motor, a sprinkler arm, at least one drive wheel, and a cover. The motor is operably attached to the frame. The at least one drive wheel is operably connected to the motor. The sprinkler arm is operably connected to the motor for dispersing water in a selected pattern. The cover is attached to the frame so that the cover at least partially covers the frame, the motor, and the at least one drive wheel so that the lawn irrigation system resembles an object other than a sprinkler.

Abstract: A motor-driven, fixed or adjustable spray system is provided, in which the motor overrides and augments the natural rotational force supplied by the input water pressure through one more inclined spray nozzles, thereby increasing the strike force and efficient water impacting of the floor surface. This enhances water delivered from one or more nozzles to impact into the floor surface such as cement, tile, pebble-reinforced concrete, patio stones, linoleum and the like and thereby dislodge various contaminants compared to conventional floor cleaning systems. The spray system may be adjustable from about horizontal to vertical and is also adapted to utilize cleaning pads such as from fibers, cloths, abrasive pads, etc. Use of the cleaning pads may also be augmented by the water spray. Rotary movement of the spray system and/or the cleaning pads may be effected by electrical power, including battery power, or by an equivalent pneumatic (i.e., air driven) power, hydraulic power, etc.

Abstract: The present invention provides a power washing system capable of indoor and outdoor operation while remaining convenient for use by the consumer. The present invention provides a housing designed to move over surface areas to be cleaned and adapted for spraying and retrieving water under high pressure. The housing being equipped with one or more bulkhead fittings capable of receiving vacuum hoses. These vacuum hoses may be attached to the housing such that waste water created during cleaning operations may be recovered and drawn upwardly through the vacuum hoses. The housing is attached to a support member having a trigger member adapted to control water flow through one or more water hoses attached thereto.

Abstract: A coatings removal head assembly for mounting on a self-propelled apparatus and for connection to one or more fluid supplies and one or more vacuum containment systems. A spring mounting assembly maintains a constant nozzle stand-off distance from a surface to be cleaned. A positively driven rotary spray bar assembly is employed to control the nozzle pass rate in conjunction with the movement of the self-propelled apparatus. A specifically configured exhaust is provided to enhance collection and containment of waste fluid and removed material.

Abstract: This invention is directed to a cyclonic power system and method of using the system to clean flat surfaces. The cyclone power system includes a driven spindle that is mounted for rotation about its longitudinal axis. There are a plurality of radially extending straight rod extending from the spindle. Curved blades are connected at one end to the spindle and at their other end to the free end of a straight rod. The centrifugal force, generated as a result of the rotation of the driven spindle is not effective to cause the straight rods, which are constructed of stainless steel, to lengthen and since the curved blades are connected to the straight rods, the centrifugal force is not effective to lengthen the curved blades. In an embodiment of the invention a perforated disc is secured to the bottom surface of the spindle and to the free ends of the straight rods. In this embodiment the water and debris is pulled up through the perforations in the disc.

Abstract: The present water conserving and cleaning apparatus' major components include an essentially straight handle of several feet in length, with a hand grip in the vicinity of a distal end and a water flow control lever operably secured to a straight fixture removably secured to the hand grip. The handle is secured on the proximate end to a horizontal member in an inverted “T” configuration. A specific angle at which the handle is secured to the horizontal member is preferred for maximum comfort value for adults. The horizontal member includes a winged jet manifold fixably secured to the proximate end of the handle. The manifold includes a flow director which directs an air and water jet stream onto a surface to be cleaned. A rear wing, integral to the jet manifold, includes a two level cantilevered porch with specifically designed angles and heights to provide optimum air flow and a Venturi effect under the cleaning apparatus.

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 disinfectant spraying apparatus is disclosed for mounting on a vehicle for spraying disinfectant on each tire of a vehicle before and after entering a livestock farm. The apparatus includes a container for containing the disinfectant, the container being mounted on the vehicle. A pump is disposed in fluid communication with the container for pumping the disinfectant from the container and a motor is provided for driving the pump. A manually operated switch is provided for selectively connecting the motor to a source of power such that when the switch is disposed in an operative disposition thereof, the motor is energized so that the motor drives the pump for generating a flow of the disinfectant downstream from the pump. A flow splitter is included for splitting the flow of the disinfectant pumped by the pump from the container such that the flow is split into a plurality of flow lines.

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 nozzle assembly connectable to a pressure washer water output line that is adapted for cleaning curbs. The curb cleaner nozzle assembly includes multiple nozzles that are oriented at different angles and are adjustable by the user to the desired orientation to most effectively clean a particular curb. The nozzle assembly is mounted onto a wheeled support structure to allow the nozzle assembly to be moved along the curb while supporting the nozzles at the correct orientation and spacing for optimal cleaning of the curb.

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: The manual watering boom comprises of a wheeled frame, a water delivery system, and a handle. The wheeled frame comprises of a horizontal beam, at least two support structures, and a wheel assembly. The horizontal beam has a first and a second end and at least two adjustable brackets are connected to it. Each support structure has a front and rear shaft, and attaches to the horizontal beam raising the horizontal beam to an elevated position. The wheel assembly attaches to each shaft and comprises of an axle and a wheel. The water delivery system comprises of a water delivery pipe and multiple irrigation outlets. The water delivery pipe is supported by the adjustable brackets and is in fluid communication with the water inlet. The multiple irrigation outlets are spaced longitudinally along the water pipe for delivering water in overlapping spray patterns. The handle comprises of a handle joint and a steering handle. The handle joint is attached to the horizontal beam.

Abstract: A jet cleaning device for connection to one or more liquid pumps which includes a telescoping ram having a pivotally mounted cleaning head. The telescoping ram may be mounted on a manlift or a self propelled cart and has extension compensators which maintain a constant distance between the cleaning head and the surface to be cleaned. The jetting head or heads inside the cleaning head are adjustable so as to control the standoff distance and the jetting pattern. The perimeter of the base of the cleaning head shroud is also fitted with a brush which reduces the amount of misting produced by the operation of the device.

Abstract: An auto underwasher for cleaning the underside of an automobile, comprising a 1/2" malleable metal alloy pipe approximately 6.5 feet in length and having a generally modified-Z shaped body. The user grasps one end of the device by vinyl grips attached to the top and middle legs of the device, the top leg being connected to a liquid cleaner supply source. The bottom leg of the device has a crimped and sealed end forming a nozzle with a plurality of jets aligned longitudinally. The length of the middle leg permits the user to stand upright while extending the bottom leg to direct the spray under the automobile body, removing dirt, road salts, and chemicals which might otherwise corrode the exposed undercarriage of the vehicle.

Abstract: A portable fluid dispenser apparatus for dispensing fluids on the ground. The apparatus has a lightweight rigid frame structure interconnecting a forward wheel with to a rear connected pressurized fluid container. A fluid conveying tube provides a fluid communication conduit between the fluid container and the top of the ground engaging front wheel. The tube's front end is opened and located above the wheel to dispense the pressurized fluid under and adjacent to the path to be immediately followed by the movable forward wheel. In this manner the deposited formed fluid path is substantially the same width as the width of the wheel. One use of the invention is to form a chemically deposited formed weed killer edge around the perimeter of a grassy or garden area similar to that formed by an electric or mechanical edger. Other fluids used in ground control such as fertilizers and pesticides, may also be used with this invention whenever a narrow wheel defined fluid deposition path is desired.

Abstract: A portable, steam weed killing apparatus designed to be environmentally friendly, economical, fast acting and used by an individual standing in an upright position. The apparatus is intended for killing weeds and unwanted plants in gardens, flower beds and along sidewalks by application of concentrated heated water or steam thereto. The apparatus includes electrically powered, portable steam generating unit containing a water reservoir, an electric pump and an electric steam heater. The apparatus also includes an elongated, rigid guide bar with a weed cover attached to its distal end. A flexible hose delivers steam from the steam generating unit to the weed cover. During use, the weed cover is placed over the undesired plant and the steam generating unit is operated to deliver a concentrated amount of steam to the plant located inside the weed cover.

Abstract: A cleaning apparatus having a pan-shaped housing used to clean horizontal surfaces, such as a floor, conveyor belt and the like. Mounted on the top of the housing is a spinner assembly having a tubular shaft rotatably mounted therein carrying tubular arms located within the housing. Cleaning fluid flows through the spinner assembly into the arms and is discharged through nozzles having orifices mounted on the ends of the arms. A bolt threaded into a connector attaching one of the nozzles to an arm is adjustable to regulate liquid flow rate through the connector to adjust the speed of rotation of the arms. A flexible skirt attached to the bottom of the housing has a lower edge spaced a short distance above the surface to concentrate and prevent dissipation of the cleaning fluid. A three position valve controls the flow of water and disinfectant liquid through the cleaning apparatus.

Abstract: A manually operable spreading apparatus for uniformly spreading flowable material, such as a sealant or adhesive, on a surface comprises a handle with a transversely extending spreader blade at one end and a reservoir chamber for the flowable material mounted on the handle. Valve means at the resevoir lower end are operable to discharge material from the reservoir for engagement by the spreader blade. Preferably the reservoir chamber is provided with a lining of flexible plastics material that also comprises a container for the flowable material. The lining preferably is of length greater than the reservoir chamber so that its lower end extends into the close neighbourhood of the spreader blade. The lining may be provided by a sealed bag of the material, the lower end of which is opened after installation, or by an open-ended tube, the lower ends of the bag or tube being closable by the valve means.

Abstract: Apparatus for spraying a fluid under pressure upward onto an undercarriage of a vehicle and downward onto an upward-facing surface. The apparatus includes a conduit adapted for connection to a pressurized fluid source for delivering fluid under pressure from the source and a spray assembly connected to the conduit for movement between an upward spraying position for spraying pressurized fluid toward an undercarriage of a vehicle and a downward spraying position for spraying pressurized fluid toward an upward-facing surface.

Abstract: An apparatus may be forcibly moved over an underlying grassy surface, such as a lawn, to evenly apply a liquid treatment material by contact between the outer surface of a support roller contacting the ground. Above the roller is provided a pivotally supported, internal segmented liquid-distribution element from which treatment liquid may flow via a plurality of spouts onto the outer surface of the roller. Liquid is provided to the liquid distribution element, by a plurality of flexible tubes communicating with a liquid container positioned above. A mechanism driven by the roller generates an up-and-down reciprocating motion of a slidably guided element loosely engaging the liquid-distribution element to give it a back-and-forth pivoting motion. Liquid being delivered from the container to the underlying ground surface is thus first sloshed inside the liquid distribution element.

Abstract: A portable automobile undercarriage washing/cleaning device consisting of an inverted bowl-like body portion featuring a water spray nozzle on the top face and a connection for a rigid, non-flexible water pipe on the side of the body, the water pipe ending in a water control valve, and casters underneath of the body and attached to the body, which when all of the components are connected together and secured to a standard garden-type hose, results in a pressurized water spray pattern capable of being delivered to the undercarriage of an automobile, or other wheeled vehicle, the pressurized water spray being used to remove accumulated mud or road salt from the undercarriage of the vehicle, which was deposited on the undercarriage of the vehicle under normal driving conditions on debris-ladened readways and effecting the rapid removal of the debris from the undercarriage and its related structural members.

Abstract: The present invention relates to an improved cleaning solution applicator for use in a hot water carpet extractor. The applicator comprises an elongate, multi orifice, liquid distributor positioned within the discharge opening of an air distributing nozzle. Warm moist exhaust air discharged from the extractor's suction fan is directed through the air nozzle passing over top of and underneath the liquid distributor converging down stream of the liquid distributor and before exiting the air nozzle's exit opening. Liquid exiting the liquid distributor's orifices is thereby atomized and conveyed, by the flow of air from the air distributing nozzle, toward the surface being cleaned.

Abstract: A floor washer with a housing having a plurality of spray nozzles therein rotatable to different angular relationships to a floor. A nozzle angular relationship to the floor is set prior to use of the washer and held in a fixed position during use of the washer.

Abstract: A mobile unit for applying fluids, such as paint, on large surfaces, in particular floor surfaces, comprises a number of spraying means (14) mounted in a casing (7). The spraying means are surrounded by an encircling shielding (9). The casing (7) has an opening exposed towards a fluid application surface. In the unit there is an air evacuating device (21) having the task of providing a flow of air into the interior of the casing (7) from an air gap established between the application surface and a free edge (16) of the shielding, so as to minimize the emission of particles from the unit to the surroundings in connection with the application of fluid onto the surface.

Abstract: A device for discharging the contents of an aerosol container onto a surface which allows an operator to determine the distance the device travels when moved relative to the surface is provided. The device includes a housing having a structure for holding an aerosol container. The aerosol container having an actuator mounted on the container that moves between discharging and non-discharging positions. The device further includes an actuating assembly which effects movement of the aerosol container actuator between the discharging and non-discharging positions and a trigger disposed on the device that controls the actuating assembly and which allows an operator to discharge the contents of the aerosol container onto a surface.

Abstract: A system and method for injecting liquid/solid mixtures into porous pulse media, such as earth, is disclosed. A two-tank arrangement where liquid only is stored and run through a main pump, while a liquid/solid slurry is stored and moved to join the liquid under pressure by a chemical injector pump is shown. Finally, a displacement wheel commands solenoid valves, for pulsing the pressured liquid, through a distance measuring device such as a laser interacting with a laser target operatively coupled to a ground traveling wheel.

Abstract: A water jet cleaner for the underside of a vehicle. A plurality of jets are directed upwardly from a spray head which is mounted on a longitudinal member positioned closely to the ground on which the vehicle is resting. A handle is attached to the longitudinal member and wheels are mounted to the frame and the longitudinal member to allow manual reciprocal movement of the cleaner beneath the vehicle by an operator. The jets are angularly adjustable such that the cleaner may also be used to clean the surface itself such as a driveway.

Abstract: Air cushioned spraying apparatus for spraying vegetation with chemicals while being supported above the ground by an air cushion effect has a unit with at least three air cushion cells. Each cell has a substantially cylindrical rigid body with a closed upper end and an open lower end, and a flexible skirt secured to and extending around the periphery of the open lower end of the rigid body. Each cell also has a spray nozzle projecting downwardly into the body from the closed upper end and an air inlet in the body adjacent the upper end thereof. The cells are connected together so that the path of travel of each cell laterally overlaps the path of travel of another cell. Air under pressure is supplied to the cell inlets to cause air to pass therethrough and downwardly in the cell body to disperse the chemicals from the nozzle onto vegetation within the lower open end of the cell and to cause air to pass from the cell between the flexible skirt and the ground to create an air cushion effect.

Abstract: A water spray apparatus for dual function use in washing motor vehicle undercarriages or in cleaning ground surfaces. The apparatus has a hollow cross tube axially supported by a pair of wheels and pivotally connected to a union. The cross tube has a row of commonly facing orifices for generating a row of commonly directed water streams. Directional reversal of the water streams is accomplished by pivoting rotation of the cross tube.

Abstract: A system for the mixing of two or more interacting heated solutions and the simultaneous application of the mixed interacting solutions to a fabric surface. The system is made up of a mobile supply base and an elongate applicator having a valved mixing chamber at the proximal end and a fluid distributing manifold at the distal end. The mobile supply base houses multiple containers, each adapted for holding and heating solutions to a desired temperature. The supply base also contains one or more pumps for the delivery of solutions from each container through interconnecting lines to the valved mixing chamber at the proximal end of the applicator. The applicator is an elongated support structure such as a wand. At the proximal end of the applicator, the valved mixing chamber is configured to receive and meter solutions from the supply base through the interconnecting lines into a mixing chamber maintained at substantially ambient pressure.

Abstract: A pulsed injection system for injecting a stream of high pressure liquid into the ground is used for distributing liquid in a turf root zone. Each nozzle of the apparatus includes one or more nozzle openings which are arranged at an angle to the vertical so that the stream generated is not vertical but instead projects outwardly from the nozzle with a partly horizontal component of direction. This direction maximizes the distance traveled through the root zone of the turf to kill maximum numbers of parasites and also, particularly when the number of openings per nozzle is increased to four provides a maximum blanket of the injected liquid in an expansion zone of each jet with minimum spaces between the expansion zone and maximum coverage. This blanket is used particularly with herbicide injection to prevent weeds growing through the herbicide into the turf.

Abstract: The present invention relates to an improved cleaning solution applicator for use in a hot water carpet extractor. The applicator comprises an elongate, multi orifice, liquid distributor positioned within the discharge opening of an air distributing nozzle. Warm moist exhaust air discharged from the extractor's suction fan is directed through the air nozzle passing over top of and underneath the liquid distributor converging down stream of the liquid distributor and before exiting the air nozzle's exit opening. Liquid exiting the liquid distributor's orifices is thereby atomized and conveyed, by the flow of air from the air distributing nozzle, toward the surface being cleaned.

Abstract: A light-weight turf conditioning machine provides programmable subterranean soil processing. The machine includes a set of electronically controlled air guns that are mounted on a frame a given distance above the ground. Each air gun disperses a high pressure stream of fluid into the ground in a vertically aligned cylindrical shape drilling holes into a golf green. The holes are drilled using a hydrated polymer that absorbs and releases moisture in a controlled fashion fostering plant growth. A programmable controls circuit controls the rate, pattern and depth in which holes are drilled into a golf green. A portable storage tank is fluidly joined by a hose to the air guns. The hose allows the storage tank to spaced from the machine as the air guns are carried over the golf green.

Abstract: A cyclonic power wash system uses high pressure, high temperature water for selectively cleaning large, flat, concrete or asphalt surfaces. The sprayed water is reclaimed by vacuuming it through holes in the bottom of a reclamation ring attached to the underside of the mobile cyclone sprayer, filtering the vacuumed water and returning it to a storage tank for re-use by the system. The filtration tank initially filters out large matter in an inlet trough and smaller matter in a plurality of cascading chambers. A rotary union in the sprayer prevents the water, passing from the inlet of the rotary union to the discharge thereof, from leaking through or around a seal formed by pressing together a pair of hard, durable sealing surfaces, for example, silicon carbide, one of which is non-rotatably slidingly received in an upper recess of the union's fixed housing and the other, affixed to a spindle rotatably received and retained in a lower recess of the housing.

Abstract: A multiple adhesive bead applicator has a handle member and a cross member. A network of adhesive distribution tubes is attached to the application and extends from the handle member to multiple distribution points in a preselected spacing on the cross member. Such an application is useful in a method for applying a cover member, such as an elastomeric membrane or insulation board, to a roofing substrate by first positioning the membrane adjacent a work area, then dispensing multiple beads of an adhesive onto the substrate in a preselected spacing and in a single pass and contacting the adhesive beads with the cover member.

Abstract: A nozzle for generating a supercritical fluid from a cleaning fluid. The nozzle includes a mechanism for directing the supercritical fluid onto a surface of a part to be cleaned. The nozzle comprises a body having (a) an interior portion which includes a mechanism for generating the supercritical fluid by suitable temperature and pressure increase of the cleaning fluid; (b) an inlet portion for introducing the cleaning fluid into the interior portion; (c) an outlet portion for directing the supercritical fluid generated in the interior portion onto the surface of the part to be cleaned; and (d) counteracting mechanism for resisting high pressure that is produced during the generation of the supercritical fluid so as to permit the nozzle to be maintained a suitable distance from the surface of the part to be cleaned so that the supercritical fluid impinges on the surface.

Abstract: Mobile floor cleaning apparatus of the type having a nozzle assembly for spraying a cleaning solution on carpet or other floor covering, a motor driven brush for scrubbing the wet floor, and a vacuum system for extracting dirty solution from the floor. The nozzle assembly and brush are mounted on a housing which moves in a direction transverse to the direction of movement of the apparatus. The housing extends from one side of the apparatus and deflects in a direction transverse to the direction of movement of the floor cleaning apparatus upon contact with an obstacle. The nozzle assembly includes a spray jet bar mounting a plurality of nozzles. The spray jet bar is releasably mounted on the brush housing to facilitate nozzle maintenance. A vacuum extractor shoe is releasably mounted to swing and swivel from a rear end of the floor cleaning apparatus to automatically adjust to floor irregularities and to maintain maximum floor contact when turning.

Abstract: A cleaning device for delivering a fluid under pressure onto a surface includes a head movable on the surface for spraying the fluid and an extendable handle for controlling placement of the head. The extendable handle has a pair of sets of members arranged in telescoping relation for movement between at-rest and extended positions. One of the members is defined by a pair of sets of articulated parts with one of the articulated parts extending exteriorly of the other of the members when the member sets are in the extended position thereof. A set of resiliently urged detents releasably retain the member sets against displacement from the at-rest position thereof, and a set of pawls are operable in response to pivotal movement of the one articulated part for interlocking the other of the articulated parts and the other of the member when the member sets are in their extended positions thereof.

Abstract: A hand tool for use with a water supply to allow easy cultivation and watering of gardens and the like. One end of a hollow, tubular handle is attached to a valve which, in turn, is coupled to the water supply for allowing the user of the hand tool to cause water to flow through the handle. A blade is attached to the other end of the handle. An aperture extends though the blade in communication with the cavity through the handle so that water flowing through the handle will flow through the aperture in the blade. A baffle is attached to the blade about the aperture through the blade on the side of the blade opposite the handle for deflecting water flowing through the handle and out the aperture in the blade.

Abstract: A device for processing a concrete layer by water jets, comprising a jet tube on a carriage moveable to and fro along a guide. The jet tube is pivoted in planes substantially parallel to the guide and oscillates in planes making an angle with the guide. The jet tube is inclined in one direction along the extension of the guide during the movement of the carriage along the guide, and a control unit ensures that pivoting of the jet tube with an angular velocity leading to movement of a nozzle of the jet tube along the guide with a velocity substantially equal to the velocity of the carriage is initiated at the same time as the carriage is stopped in an end position, and the control unit starts the movement of the carriage in an opposite direction when the jet tube has finished its pivoting movement.

Abstract: A paint striping cart is provided with a parallelogram linkage oscillatable in a horizontal plane. The forward arm of the linkage carries a downwardly directed nozzle which sprays paint in a fan or web, i.e., in a plane. The parallelogram linkage is actuated by a handle and linkage assembly on the cart, the action being such that the nozzle may be swung to any lateral position, within a range of about 60 degrees with respect to the cart longitudinal axis (being its direction of travel) on either side of the cart. In operation, the cart is positioned between a pair of parked cars on a parking lot. So long as neither of the two cars overlies a worn or faded paint line between the cars, the nozzle can be positioned over the worn line and fresh paint discharged from the nozzle to renew the line as the cart is pushed or pulled along a straight path.

Abstract: An aquatic plant uprooter for ridding a body of water of undesirable plantlife, composed of a hollow handle, a hollow discharge member connected at right angles to the handle, and a plurality of regularly spaced apart nozzles connected with the discharge member. A flexible hose connects a distal end of the handle to a water pump. The handle serves as a fluidic conduit for water from the pump to flow into the discharge member, which in turn, serves as a fluidic conduit for water from the handle to flow into the nozzles. The nozzles are structured, located and mutually spaced so that a jet of water emerges from each, which collectively disturbs the soil of a body of water so as to uproot aquatic plants by undermining their anchorage in the soil. The soil-freed plants may be directly accumulated in a net member attached to the handle and discharge member, or may be collected by use of a separate rake-net system.

Abstract: An apparatus for cleaning large, flat hard surfaces such as concrete parking lots, sidewalks and plazas is provided The apparatus receives hot pressurized water and sprays the water downwardly onto the surface to be cleaned through a rotating manifold of spray nozzles. The manifold is mounted within a pushable cart or chassis, similar to a lawnmower chassis, for rotational movement in a plane parallel with the surface to be cleaned. Nozzles of the spray manifold are tilted at an angle such that water sprayed from the nozzles provides an angular momentum to the manifold. The apparatus is also provided with a mechanism for raising or lowering the height of the nozzles above the surface and for setting a minimum selected height.

Abstract: An aquatic plant uprooter for ridding a body of water of undesirable plantlife, composed of a hollow handle, a hollow discharge member connected at right angles to the handle, and a plurality of regularly spaced apart nozzles connected with the discharge member. A flexible hose connects a distal end of the handle to a water pump. The handle serves as a fluidic conduit for water from the pump to flow into the discharge member, which in turn, serves as a fluidic conduit for water from the handle to flow into the nozzles. The nozzles are structured and mutually spaced so that a jet of water emerges from each, which collectively disturbs the soil of a body of water so as to uproot aquatic plants by undermining their anchorage in the soil. The soil-freed plants may be directly accumulated in a net member attached to the handle and discharge member, or may be collected by use of a separate rake-net system.