Abstract: The present invention relates to a precompression pump with a feature to evacuate air trapped in the pump chamber to thereby assist in priming the pump. In particular, the present invention relates to a precompression pump which uses mechanisms to create gaps of very small size to bridge two seals on a pump piston, in a way that the small size of the gaps allows the passage of trapped air, but because of the viscosity of any liquid in the pump chamber does not allow the passage of liquid past the seals on the pump piston. Flats which define a chord of the inner circumference of the cylinder wall can be used to create the appropriate gaps. In addition, the core creating the inner circumference can be photochemically etched to provide a roughened surface with asperities which create the appropriate gaps. The priming mechanisms preferably create air gaps around both seals of the pump piston.

Abstract: A trigger sprayer is constructed with a removable foamer insert that may be removed to allow the sprayer to dispense liquid only in a spray pattern or may be inserted to allow the sprayer to dispense liquid only in a foaming pattern. In addition, the foamer insert is specifically designed to generate a more even distribution of foam in the foaming pattern.

Abstract: A one-piece molded body and housing unit for a pump dispenser, the housing comprising a pair of spaced side walls and a top wall. A vertical tubular support and pump cylinder are both spaced from the side walls and meet the top wall. Box-like channels are formed in the side walls and support trigger pins, spacing them in from the side walls. The mold includes blades on the upper mold half which extend down through the top wall to form the upper wall of the delivery tube. Additional blades on the upper mold half extend down through the top wall to form the channels and the trigger support pins in cooperation with mold surfaces from the lower half of the mold.

Abstract: The present invention relates to a micropump for the nebulization of fluids with enhanced metering valve. The micropump comprises a hollow body and a set of stem and piston such as to constitute a "metering chamber" in the body. The hollow stem, which exits the body, is joined with a dispensing push-button fitted with a nebulization element. Pressing the dispensing push-button allows the passage of the fluid to be nebulized from the "metering chamber" to an exit duct, comprising the longitudinal cavity of the stem, a "compression pre-chamber" in the dispensing button and passages from the chamber to the nebulization element. The metering valve is obtained by interposing, in said fluid exit duct, an elastically deformable shutter.

Abstract: Precompression pump intended to dispense selectively a product contained in a container, said pump comprising a pump chamber (3) having an inlet valve (4), a piston (1) sliding in a first cylinder (2), a differential piston (5) forming an outlet valve of said pump chamber (3) and sliding in a second cylinder (11) between a closing position and an opening position of the pump chamber (3), said pump comprising also a pusher (6) provided with a dispensing orifice (7), said pusher element (6) being movable between a rest position and a pump actuation position, the pump being characterized in that said first and second cylinders (2 and 11) are directly formed by first and second respective internal walls of said pusher (6), the latter delimiting partially said pump chamber (3), the pump being also characterized in that it comprises only one spring (15) bearing on one side on a portion of the pusher (6) and on the other side on a portion of the differential piston (5), said spring (15) acting on the one hand as a r

Abstract: A hand held water sprayer for connection to a source of water under pressure by a flexible hose has a manually displaceable trigger actuator on the front of the sprayer housing for controlling the flow of water therethrough from the source and includes a soap reservoir in the sprayer housing and a push button soap pump actuator on the rear of the sprayer housing for dispensing a quantity of soap from the reservoir to the outlet end of the sprayer. A cleaning attachment is adapted to be removably mounted on the outlet end to facilitate the cleaning of an article in connection with the dispensing of soap and the spraying of water thereonto.

Abstract: The assembly comprises a pair of substantially identical unitary plastic molded units, each unit having a tubular stem formed with a piston at one end and a nozzle head at the other. Each unit has a female snap-type connector facing to one side and spaced therefrom a male snap-type connector facing to the same side, the molded units being disposed side-by-side with the male snap-type connectors snappingly received into the female snap-type connectors of the respective stems.

Abstract: For a medium pump (3) a mountable air pump (4) is provided. The stationary pump body (49) of pump (4) is fixedly connected to a member (8) provided for fixing the medium pump (3) to a reservoir (2). During the operating stroke a pressure chamber (50) of the air pump (4) permanently communicates with the reservoir (2) via the pump casing (15). Thereby pressure equalization is achieved. One and the same medium pump (3) can be provided with or without the air pump (4). When equipped with the air pump (4) the discharge of highly viscous media is significantly facilitated.

Abstract: A new oiler attachment for attachment to a disposable oil container to dispense oil contained therein. The inventive device includes a pump assembly adapted for attachment to a neck of a container of oil with an elongate intake tube extending from the pump assembly adapted for extending into the container of oil when the pump assembly is attached to the container of oil. The pump assembly also has an output for oil drawn into the pump assembly from the intake tube. The pump assembly has an actuator trigger for drawing oil from the container of oil into the lower end of the intake tube and through the pump assembly to the output of the pump assembly. At least one dispensing nozzle is provided for directing the placement of oil from the output of the pump assembly. The dispensing nozzle has an attachment end attachable to the output of the pump assembly and an open tip distal the attachment end of the dispensing nozzle.

Abstract: Outward flanges on top of pump outlet tube include a rearward latching section. The shroud is open-fronted. Extending downward along the top wall of the shroud are a pair of opposed channels to the rear of which are unitary downward locking wedges. In assembly, the open-fronted shroud is moved forward from the rear onto the pump body in a simple uni-directional linear movement, the channels receiving the outward flanges respectively. The wedges forcefully engage and pass the latching sections and take positions in front of them to block retreat of the shroud.

Abstract: In a device (1) suitable for discharging media or the like at least one springly deformable component (5, 6, 11, 40) consists of a copolymer produced with a co-catalyst such as titanocen, more particularly an ethylene .alpha.-olefine copolymer which may also be improved as regards its resiliency by gamma irradiation.In a spiral spring (26, 39, 49) produced from this or a similar plastics material axially adjacent spiral sections are directly integrally connected to each other not only via the spiral but also along the circumference of the spring.

Abstract: Outward flanges on top of pump outlet tube include a rearward latching section. A rearwardly extending horizontal shelf is formed on the vertical tubular support of the pump body. The shroud is open-fronted and includes a top wall, connected side walls and a rear end wall with an inward horizontal shoulder. Extending downward along the top wall of the shroud are a pair of opposed channels to the rear of which are unitary downward locking wedges. In assembly, the open-fronted shroud is moved forward onto the pump body in a simple unidirectional linear movement, the channels receiving the outward flanges respectively. The latching sections are flexed downward by the locking wedges and snap past them and the shoulder on the shroud slides under the shelf.

Abstract: A flexible cylindrical body tube adapted to sealingly engage a beer bottle at one end and mounting a side-venting hose of a length selected to extend into the beer bottle and down into the bottle to a position adjacent the bottom of the bottle. When so placed, the bottle and hose may be inverted with a finger placed over the vent hose, the open end of the body tube brought to the mouth, the bottle and tube inverted and the finger removed, resulting in rapid continuous discharge of the fluid from the bottle into the mouth of the user.

Abstract: A miniaturized device for pressurizing fluid. The device includes a hollow piston that provides a fluid path and a valve member. The valve member is configured for axial movement so that the valve axis remains parallel to the piston axis. The valve member is arranged at one end of the hollow piston. The valve member may be partially or completely disposed within the hollow piston. The device is particularly adapted for use in a mechanically operated atomizer to produce an inhalable aerosol of a liquid medicament without the use of propellant gas.

Abstract: Rechargeable dispensers, in particular spray bottle dispensers including at least one chemical reservoir for recharging the spray bottle dispenser. Preferably, a separate solvent reservoir and chemical concentrate reservoirs are provided.

Abstract: A dispenser (1) has a medium outlet (19) oriented transversely to the actuating direction, and guiding surfaces (54) defined by a nozzle body (52) that is configured integrally with the plunger (27). The guiding surfaces (54) are provided between adjoining circumferential surface areas of the piston stem (65) and the discharge head (12), so that no separate, external nozzle cap is required to provide the desired atomizing spray pattern.

Abstract: A hollow body having a nozzle opening (19) to discharge fluid as a jet or spray; the body comprising a first part having an inlet (12a) to admit fluid under pressure into the first part, and a second part (16) movable relative to the first part and said first and second parts are relatively movable from an abutting position in which they define therebetween the nozzle opening and a fluid feed passage (18) in the body and leading to the nozzle opening, and a cleaning position in which the fluid feed passage is split open longitudinally and the nozzle opening is split open to expose the nozzle and passage defining surfaces of said parts, for cleaning.

Abstract: A device for generating a spray of mist or fine droplets includes a spinning rotor within a mist chamber. The rotor has inner walls which taper conically outwardly from the open bottom of the rotor to a hole near the top of the rotor. Liquid is pumped by a finger actuated pump from a cartridge module into a bowl surrounding the bottom end of the rotor. A spray is created as the liquid is formed into droplets as it passes through the hole in the rotor under centrifugal force. A directional light source is used for aiming the spray.

Abstract: Rechargeable dispensers, in particular spray bottle dispensers including at least one chemical reservoir for recharging the spray bottle dispenser. Preferably, a separate solvent reservoir and chemical concentrate reservoirs are provided.

Abstract: A nozzle for dispensing fluids with suspended solid particulates without experiencing permanent partial or total clogging is provided. The nozzle is made from a elastomeric material and has a dome-shaped tip. The dome-shaped tip has a slit that provides an elongated orifice which generates a fan-type spray pattern while allowing solid particulates to pass through the nozzle without permanent clogging. The slit is normally maintained closed at rest and provides precompression and shut-off functions. Several versions of the nozzle are described, such as a one-piece nozzle and a nozzle insert. Additionally, the nozzle can be attached to a manually actuated pump device and be used as a spray delivery system.

Abstract: An attachable shroud and a dispensing pump with universal pump body upon which is formed outward flanges on top of a pump outlet tube which includes a rearward latching section. A rearwardly extending horizontal shelf is formed on the vertical tubular support of the pump body. The shroud is open-fronted and includes a top wall, connected side walls and a rear end wall with an inward horizontal shoulder. Extending downward along the top wall of the shroud are a pair of opposed channels to the rear of which are unitary downward locking wedges. In assembly, the open-fronted shroud is moved forward onto the pump body in a simple uni-directional linear movement, the channels receiving the outward flanges respectively. The latching sections are flexed downward by the locking wedges and snap past the wedges and the shoulder as the shroud slides under the shelf.

Abstract: A multiple hole, preferably a two hole spray dispensing system and sprayer in which colliding streams of viscous liquid are dispensed to the atmosphere are provided. The spray dispenser includes a reservoir for storing a fluid product. An aerosol or manually pressurized dispensing system preferably a hand held dispensing system may be used. Liquid is delivered from the reservoir under pressure to a delivery passageway. A nozzle having two or more outlets to the atmosphere is mounted to the delivery passageway to provide colliding streams of fluid.

Abstract: A dual fluid dispenser comprising a dispenser body and a nozzle. The dispenser body has first and second pump chambers, a first intake port adapted for fluid communication with a first liquid source, a second intake port adapted for fluid communication with a second with a first liquid source, a second intake port adapted for fluid communication with a second liquid source, first and second intake liquid flow paths for passage of fluid from the intake ports to the pump chambers, and first and second discharge liquid passageways. A third discharge liquid passageway is defined at least in part by the dispenser body. The third discharge liquid passageway includes a mixing chamber and a spinner chamber downstream of the mixing chamber. The first and second discharge liquid passageways are configured for passage of liquid from the first and second pump chambers to the mixing chamber. The nozzle includes a nozzle orifice in fluid communication with the spinner chamber.

Abstract: A low cost trigger sprayer has a housing with a first liquid passage containing a spinner assembly. An elastomeric pump element is positioned generally horizontally such that pulling the trigger retracts the element and releasing the trigger allows the element to extend. The sprayer includes a low cost spinner assembly and low cost valving to control the flow of liquid within the sprayer. In one aspect of the invention, the housing has front and rear sections with the rear section having a saddle portion and being hinged to the front section for pivotal movement from an open position for molding the housing to a closed position for operating the sprayer. In another aspect of the invention, the container has a rear portion which extends upwardly past the neck and defining a saddle recess, with the housing connected to the neck of the container and positioned forwardly of the upwardly extending container portion.

Abstract: A trigger pump dispenser has a unitary valve member (15) which is push-fitted into the back of the pump chamber (38). The valve member is moulded from a thermoplastic elastomer and has an inner dome (116) arranged to form the one-way valve in the inlet flow path, and an external skirt (112) arranged to form the one-way valve in the outlet flow path. Apertures (120) formed around the dome form a part of both flow paths.The trigger (17) of the dispenser is secured to the piston (16) by an integral extension (54) which is attached by a living hinge (52), and the spring (18) for the trigger is generally L-shaped, its lower arm being secured to the dispenser body (13) and its upper arm being flexible and resilient and having its free end snap-engaged in a socket formed in the back of the trigger.

Abstract: A microdispensing ophthalmic pump is provided for repeatedly delivering doses as small as 5 microliters within an angular operating range. The pump basically comprises a reservoir, a dispensing cap, an actuator and a pump body with a pump mechanism disposed therein. The pump mechanism is regulated by a limited-travel inlet check valve and a biased-closed outlet check valve. A failsafe mechanism is formed between the actuator and dispensing cap to prevent operation of the pump outside the operating range.

Abstract: A pump dispenser has a nozzle body on which is rotatably disposed a nozzle cap having two orifices which selectively align with a swirl chamber formed in the front end of the body. One orifice is formed with a surrounding cup-like structure to retain the last drop of liquid after discharge. The other is formed with a pair of diagonal parallel ribs on opposite sides of the orifice to effect an elongated narrow landing pattern for the spray.

Abstract: A double-dispenser system for dispensing medicinal liquids has two jet-trigger pumps housed in an outer casing having at least one front opening and one rear opening. Each jet-trigger pump is provided with a dosing mechanism for dispensing a predetermined dose of medicinal liquid. Dispensation from the two pumps may be triggered simultaneously by a trigger device common to the two pumps and accessible from the outside of the casing. The pumps incorporated in the double-dispenser system may be of the type having a pump body and a piston housed in an elastic bottle. For each pump, relative movements between the piston and the pump body causes changes in the relative-displacement between the piston and the pump body such that medicinal liquid is initially loaded into a medicine-holding cavity within the pump and subsequently dispensed.

Abstract: A dispenser has its closure cap non-removably affixed to a cylindrical attaching portion of its dispenser body by a snap-fit engagement between a folded lower end section of the attaching portion and the closure or a plug located within the closure and in engagement with the attaching portion. The folded lower end section presents an end edge facing outwardly of the closure which engages an inwardly facing end wall of the closure or of the plug.

Abstract: Simultaneous pump dispenser of the trigger-sprayer type has a single container with separate liquid compartments. Side-by-side main cylinders in the dispenser body have vent cylinders there-adjacent. Pistons in all cylinders are worked together by a piston/nozzle assembly separately to pump the liquids and vent the containers. A manifold in the top of the container connects supply tubes and vents in the compartments to the risers and vent passageways for the respective main and vent cylinders. The discharge may be separate spray orifices, a single spray orifice combining the liquids or a single foaming orifice.

Abstract: A nozzle mechanism for generating an aerosol-type liquid discharge is provided, which nozzle mechanism ensures one-way movement of liquid during discharge and also has a substantially zero "dead volume" at the tip of the nozzle. The nozzle mechanism includes a flexible nozzle portion with an outlet and a fluid channel, a rigid shaft received within the flexible nozzle portion, and a rigid housing surrounding the flexible nozzle portion and exposing the outlet. The rigid shaft interfaces the outlet to form a first normally-closed, one-way valve, as well as to define a swirling chamber for collecting the liquid which has been channeled from the liquid reservoir, prior to being discharged via the outlet. The outlet has a tubular wall with thickness that decreases along the elongated axis of symmetry for the outlet toward the tip of the outlet. The fluid channel is circumferentially positioned within the flexible nozzle portion to create swirling action of the liquid delivered to the swirling chamber.

Abstract: A child-resistant liquid dispenser such as a trigger sprayer. The dispenser comprises a dispenser body, a nozzle, and a locking mechanism. The dispenser body has a nozzle receiving end and a discharge passage configured for discharging liquid through the nozzle receiving end. The-nozzle has a nozzle opening therein and is connected to the nozzle receiving end of the dispenser body. The nozzle is rotatable relative to the dispenser body about a nozzle axis X between open and closed positions. The nozzle and dispenser body are configured such that the nozzle opening is in fluid communication with the discharge passage of the dispenser body when the nozzle is in its open position to permit fluid to flow from the discharge passage and through the nozzle opening. They are further configured such that fluid communication between the nozzle opening and discharge passage is blocked when the nozzle is in its closed position to prevent fluid flow from the discharge passage and through the nozzle opening.

Abstract: A connector for receiving a plurality of terminals includes a housing and a terminal locking member. The housing defines a plurality of terminal accommodating chambers and a cavity formed in an outer wall of the housing, wherein each of the plurality of terminal accommodating chambers accommodates a respective one of the plurality of terminals, and wherein the cavity extends across the terminal accommodating chambers. The terminal locking member is movably disposed in the cavity of the housing, the terminal locking member being movable between a temporary locking position in which the terminal locking member is not engaged with the terminals accommodated in the terminal accommodating chambers and a final locking position in which the terminal locking member is engaged with the terminals, wherein the terminals are retained in the terminal accommodating chambers when the terminal locking member is in the final locking position.

Abstract: A cylinder 12 is positioned along the vertical axis. A piston 16 and a trigger 18 are provided respectively with a pair of racks 40 capable of meshing with a pair of pinions 38 of a housing 14. By way of the pinion pair 38, pivoting motion of the trigger can be converted into a reciprocating movement of the piston along the vertical axis. It is thus possible to increase the amount of discharge of liquid in one stroke of the trigger without inducing for example a drop in operability upon molding.

Abstract: Rechargeable containers and dispensers, in particular spray bottle dispensers including at least one chemical reservoir for recharging the spray bottle dispenser. Preferably, a plurality of separate chemical reservoirs containing chemical concentrate are provide within the spray bottle dispenser to fully contain any inadvertent spillage of chemicals, and to insure a high degree of safety against accidental spills, and/or accidental ingestion by children.

Abstract: A child-resistant liquid dispenser, such as a trigger sprayer, includes a dispenser body, a pump mechanism having a pump piston, and a trigger connected to the pump piston so that movement of the trigger effectuates movement of the pump piston. The pump mechanism is configured to draw liquid into an intake port of the dispenser body and discharge it through a discharge port upon reciprocating movement of the pump piston. The child-resistant liquid dispenser also includes a first locking mechanism which is engageable with the pump piston in a manner to prevent movement of the pump piston when in a locked position. The first locking mechanism is configured to permit normal movement of the pump piston when in an unlocked position. The child-resistant liquid dispenser further includes a second locking mechanism. The second locking mechanism is configured to releasably engage the first locking mechanism in a manner to releasably retain the first locking mechanism in its locked position.

Abstract: The invention is particularly directed to a trigger sprayer having structure for foaming a dispensed liquid where the structure is adapted for adjustments to vary the foam pattern of the dispensed liquid to obtain an optimum foam pattern for any particular liquid, and to the incorporation of a device integral with the sprayer nozzle housing for sealing the opening of a foam dispensing passage of the foamer trigger sprayer.

Abstract: A dispenser comprises a container for containing fluid to be dispensed and a manually operated reciprocating fluid pump adapted to be secured to the container. The fluid pump includes a pump mechanism, an intake port adapted for fluid communication with liquid contained in the container, an intake liquid flow path providing fluid communication between the intake port and the pump mechanism, a discharge port, a discharge liquid flow path providing fluid communication between the pump mechanism and discharge port, and a closure cap portion configured for connection to the container. The closure cap portion comprising a generally annular-shaped skirt, a lug extending generally radially inwardly from an inside surface of the skirt, and an aperture in the skirt and circumferentially spaced from the lug. The container includes a neck having a mouth therein for passage therethrough of liquid in the container.

Abstract: Disclosed herein is a vehicle windshield washing installation comprising a vehicle having a storage location. A retail jug has an opening, carries windshield washing fluid and is positioned in the storage location. A pump unit pumps the fluid from the jug and includes an inlet channel which is dimensioned to extend into the opening to be in fluid communication with the fluid. A cover is removably attached to the opening. The pump unit further includes an outlet fluid channel for delivering the fluid to at least one predetermined windshield location on the vehicle.

Abstract: The present invention relates to liquid dispensers, more specifically to a multi-port dispensing system that allows the user to either receive a spray of liquid for cooling or a stream of water for drinking. The preferred embodiment of the present invention consists of an ejector (or spray head) that attaches to a body. The body in turn attaches to a container. Once fully assembled, the user may drink liquid from the container by sucking on the straw protruding from the body. Simultaneously or sequentially with drinking from the straw, the user may receive a refreshing spray from the ejector.

Abstract: A decoupled liquid delivery system positioned within a housing for dispensing a liquid from a liquid filled canister includes a cylinder having an inlet for receiving the liquid and an outlet for dispensing the liquid, a piston moveably engaging the cylinder for exerting pressure on the liquid when the piston is actuated, a compression spring connected to the piston and the housing, and a recoil spring connected to the piston and the housing to prevent the piston from moving prior to actuation. The piston is actuated by disengaging the recoil spring from the piston which allows the compression spring to exert a force on the piston, thereby enabling the piston to exert a pressure on the liquid within the cylinder and dispense the liquid from the outlet.

Abstract: A front squeeze trigger discharge assembly for use with a fire extinguisher having a pressurized extinguishing medium therein includes a housing defining a flow chamber. The housing has a front portion and a rear portion configured to rest in the hand of a user, and a pivotable trigger handle mounted to the housing and positioned at the front portion thereof. The pivotable trigger handle is configured for gripping by a user's fingers. The handle includes a pivot for rotating the handle relative to the housing between a first position and a second position toward the housing for discharging the extinguishing medium from the extinguisher. The handle includes a discharge nozzle positioned on the front of the housing and a discharge valve assembly operably connected to said trigger handle for providing a flow path between the container and the discharge nozzle. The trigger handle is pivotable from the first position to the discharge position inward of the housing by gripping the handle and pulling thereon, i.e.

Abstract: A yoke support for a reciprocating member in portable paint spraying equipment having a slot in the housing perpendicular to an axis of reciprocation, and an extension on the reciprocating member and a removable support secured to the housing and aligned with the extension of the reciprocating member and carrying a bearing sized to receive the extension in sliding relationship such that the bearing supports the extension of the reciprocating member in alignment with the housing and the removable support allows installation and removal of the reciprocating member by providing clearance for the extension via the slot in the housing when the removable support is removed.

Abstract: A fluid dispenser is used to dispense a foaming liquid from a container either as a spray or as a foam. The dispenser comprises a housing attached to a container of the liquid, a nozzle connected to the housing, a passage extending from the container interior to the nozzle orifice, a pump positioned along the passage, a valve positioned along the passage, and a foam generator attached to the nozzle. The nozzle has an orifice through which the fluid substance is dispensed. The valve is configured for alternating movement between an open and a closed position. The foam generator is configured to move with respect to the nozzle between a foaming position and a non-foaming position and is located adjacent the nozzle orifice when in the foaming position and remote from the orifice when in the non-foaming position. Alternatively, the fluid dispenser is used to dispense a liquid from a container either as a spray or as a stream.

Abstract: A pump sprayer is disclosed for dispensing fluids such as insecticides and herbicides. The sprayer comprises a supply container which holds the fluid to be dispensed, a manually-operated piston pump, a pressure vessel or accumulator, and a manual control valve for controlling fluid dispensed through a spray wand. The accumulator includes an elastomeric bladder which is adapted to accumulate fluid from the pump and to deliver the fluid to the spray wand at a desired pressure. In order to provide a pump sprayer which can deliver fluid at a substantially constant pressure from a fluid supply contained in conventional containers, the pump and elastomeric bladder are configured to pass through the fill openings of the containers and to be secured therein during operation of the sprayer.

Abstract: Simultaneous pump dispenser of the trigger-sprayer type has a single container with separate liquid compartments. Side-by-side main cylinders in the dispenser body have vent cylinders there-adjacent. Pistons in all cylinders are worked together by a piston/nozzle assembly separately to pump the liquids and vent the containers. A manifold in the top of the container connects supply tubes and vents in the compartments to the risers and vent passageways for the respective main and vent cylinders. The discharge may be separate spray orifices, a single spray orifice combining the liquids or a single foaming orifice.

Abstract: An improved atomizer comprises an atomizing mechanism, a housing mounted over the atomizing mechanism, a rotor mounted on the housing, the rotor having a number of blades made of flexible material mounted thereon, and a delivery tube connected between a back of the rotor and the atomizing mechanism. The rotor is driven by a motor disposed in the housing and configured as a frame with a number of ribs integrally formed thereon so that fluid can be atomized and diffused through the rotor with a good effect.

Abstract: The shroud and skeletal body assembly for a trigger sprayer comprises: a skeletal body including a lower portion, an upright body portion extending upwardly from the lower portion and having a forwardly extending piston receiving portion, a waterway defining portion above the piston receiving portion and extending forwardly of the upright body portion, and hook structure extending rearwardly from the upright body portion; and a shroud having a top wall, spaced apart side walls, a back wall, and a short rear bottom wall extending forwardly from the back wall, and latch structure extending between the side walls at a position to be engaged by the hook structure when the shroud is brought into engagement with the skeletal body.

Abstract: A hollow body having a nozzle opening to discharge fluid as a jet or spray; the body comprising a first part having an inlet to admit fluid under pressure into the first part, and a second part movable relative to the first part and said first and second parts are relatively movable from an abutting position in which they define therebetween the nozzle opening and a fluid feed passage in the body and leading to the nozzle opening, and a cleaning position in which the fluid feed passage is split open longitudinally and the nozzle opening is split open to expose the nozzle and passage defining and abutting surfaces of said parts, for cleaning.

Abstract: A manual spray dispenser for pressurizing a liquid to a predetermined pressure is provided. The spray dispenser includes a pressure adjustment assembly to adjust the predetermined pressure between a preselected range of pressures. The pressure adjustment assembly includes an adjustable biasing member to supply a force to a pressure chamber check valve in a direction opposite the flow of liquid from the reservoir to the atmosphere so that the pressure in the delivery passageway can be varied. Optionally, a two-hole rotating nozzle is provided in combination with a pressure adjustment assembly. In another aspect of the invention, an exit orifice purge system is provided to reduce dripping from the nozzle in the manual sprayer after dispensing.