Abstract: A liquid sprayer is provided. This liquid sprayer includes a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electrical motor, a voltage source for powering the electrical motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also includes a deformable “pinched tube” mechanism which prevents liquid from flowing through the nozzle when the sprayer is not being used. The sprayer housing also includes a trigger movably connected to the sprayer housing for closing the switch, translating the piston and creating a leak-tight seal by squeezing the “pinched tube”.

Abstract: A piston plunger (1) is injection molded from two longitudinal sections (2, 3) in parallel axial position. The shorter component (3) is then pivoted around a hinge joint (4) into position having the same axis as the other component (2) and tightly connected to the latter using locking means (20). The shorter component (3) then forms a nozzle core (67) and the longer component (2) forms a piercing tip (68) for opening a piston membrane (75).

Abstract: The present invention pertains to a trigger sprayer which is connectable to two container volumes containing separate liquids. The sprayer has a trigger that is manipulated to draw the separate liquids into two separate pump chambers and then supply the two separate liquids from the pump chambers to a discharge passage of the sprayer. In the discharge passage the two separate liquids are mixed together prior to their being dispensed from the discharge passage as a spray.

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: A sprayer including a sprayer container adapted to be filled with a fluid. The sprayer container has at least a portion thereof including thermochromic color-changing properties. The sprayer container includes an interior surface and an exterior surface. A spraying gun is connected to the sprayer container, with the spraying gun including a trigger for selectively spraying pressurized fluid in the sprayer container onto a predetermined object. The sprayer container indicates the amount of fluid in the sprayer container by a color change line located at a transition line between the fluid and gas within the sprayer container when fluid is located within the sprayer container, thereby causing a top area of the sprayer container having the interior surface adjacent the gas to be a first color and a bottom area of the sprayer container having the interior surface adjacent the fluid to be a second color.

Abstract: A trigger sprayer valve assembly that has a conical flange that controls the flow of liquid in a downstream direction through a liquid passage of the trigger sprayer. The valve is constructed with an elongate stem or shaft that facilities the assembly of the valve into the trigger sprayer and a positioning plug that solely holds the valve in a centered position in the liquid passage of the trigger sprayer.

Abstract: Hand-held dispensing devices for dispensing and applying a substance to the skin of a host are described. The devices include a hollow body, a capsule mounted within the hollow body for containing the substance, a nozzle mounted within the hollow body communicating with the substance in the capsule, an actuator to cause metered quantities of the substance to be dispensed from the capsule through the nozzle, a shroud defining an exit space for receiving the substance emerging from the nozzle, and a cap detachably mounted on the shroud to selectively open and close the nozzle and thereby control escape of the substance from the capsule.

Abstract: The invention provides self-pressurizing sprayer assembly 10 with a single external bulkhead fitting 40. The invention includes hose 14 connected to bulkhead fitting 40 and T-type connector 16 connected to the other end of hose 14. T-type connector 16 couples hose 14 to hand operated discharge control valve 20 and quick-disconnect fitting 18. Alternatively, hose 114 is fitted with a female quick-disconnect connector and connects directly to discharge control valve 116 or quick-disconnect fitting 18. Quick-disconnect fitting 18 couples hose 14 or hose 114 to a source of domestic water supply, such as garden hose 89.

Abstract: A sparing device comprising of a liquid storage tank (22) for storing liquid (21) and a spraying mechanism (24) for spraying the liquid from the liquid storage tank (22) through a nozzle (23). Said spraying member further includes a trigger member (26) rotatingly fixed to a free axle, a first liquid pipe (29) which is provided with a suction valve (30) and exhaust valve (32) which is activated by the movements of the trigger member (26) and the piston (28), a pressure accumulator (31) which is supported by a spring member (34), a second liquid pipe (37), a third liquid pipe (38) wherein one end of the third liquid pipe is connected to the liquid storage tank and the other end is branched to the second liquid pipe and a seesaw button (40) to seal and seal the liquid passage way in the second and third liquid pipes alternatively to allow the liquid to flow through.

Abstract: A device providing an improved method for the storage and releasable attachment of a focusing straw onto an aerosol can. In a preferred embodiment, the device is a commercially available cable-tie, modified to provide a releasable attachment and reliable storage of a focusing straw onto an aerosol can. A method of the present invention allows a user to modify an existing cable-tie to provide releasable attachment of a focusing straw onto an aerosol can or other item. The availability and subsequent use of a focusing straw often reduces aerosol over-spray and the resultant air borne contamination. Use of the present invention has, in some cases, reduced the consumption of aerosol spray oil by 30%.

Abstract: An aerosol tip mechanism for an aerosol-type dispenser for dispensing liquid content has a flexible outer shell, a rigid cap portion composed of lower and upper portions, and a rigid nozzle portion having a rigid shaft received within the outlet portion of the flexible outer shell. The rigid shaft interfaces the outlet portion of the outer shell, forming a first normally-closed one-way valve. The lower and upper portions of the rigid cap portion form boots adapted to receive an outlet portion of the flexible outer shell, the boots thereby constraining a lateral motion of the outlet portion of the outer shell, and symmetrically centering the outlet portion around the rigid shaft of the nozzle. The rigid nozzle portion includes a plurality of liquid channels for delivering liquid from a reservoir to a swirling chamber defined within the rigid cap portion, which liquid channels are configured to minimize energy losses of the liquid and promote a more homogeneous fluid particle size in the dispensed aerosol.

Abstract: A soap dispensing spray nozzle includes a mechanism for injecting liquid soap into a water stream outside of the soap dispensing spray nozzle as the water stream leaves the soap dispensing spray nozzle. The liquid soap can be selectively injected into the water stream, so that the soap dispensing spray nozzle can produce either a clear water stream when no soap is injected into the water stream or a soapy foam when soap is injected into the water stream.

Abstract: A nozzle assembly for a handheld and hand operated liquid trigger sprayer includes a nozzle housing and a flow control member contained in the nozzle housing. The nozzle housing has an oblong liquid discharge orifice and a plurality of liquid breakup channels that radiate outwardly from the orifice. The flow control member has a head with a conical surface that engages over the liquid breakup channels and together they break up a flow of viscous liquid into separate liquid streams that impact with each other at the entrance to the discharge orifice and the liquid is discharged from the nozzle orifice in a narrow, fan spray pattern of the viscous liquid.

Abstract: A nozzle assembly for a handheld and hand operated liquid trigger sprayer includes a nozzle housing and a flow control member contained in the nozzle housing. The nozzle housing has an oblong liquid discharge orifice and a plurality of liquid breakup channels that radiate outwardly from the orifice. The flow control member has a head with a conical surface that engages over the liquid breakup channels and together they break up a flow of viscous liquid into separate liquid streams that impact with each other at the entrance to the discharge orifice and the liquid is discharged from the nozzle orifice in a narrow, fan spray pattern of the viscous liquid.

Abstract: The present invention 10 discloses a portable water container having a housing 22 with a fill cap 38 with a water valve 40 and means 44 within the housing for pumping the water 56 out of the housing 22. In addition, a vent 34 is also positioned within the housing opposite the fill cap 38. A handle 32, located at the top center portion of the device, allows for easy transporting of the container 22. A 12-volt plug 28 and coil cord 30 extends from the interior of the housing container having a connector 54 positioned on the exterior distal end providing means for connecting to a 12-volt power source 60. The other distal end of the cord is connected to a pump 44 that is used to selectively pump the liquid from the interior of the container 22. Also positioned within the housing 22 is a hose 46 connected at one distal end to the pump 44 and at the other to a fitting having a throughbore positioned within the wall of the container housing 22.

Abstract: An atomizer includes a flexible container body and a nozzle head unit. The container body includes a bellows-shaped surrounding wall, a bottom wall having an outer periphery that is formed integrally with a bottom end of the surrounding wall so as to define a closed bottom end of the container body, and a liquid-containing chamber defined within the surrounding wall and above the bottom wall and adapted to be filled with liquid. The nozzle head unit is attached to a top end of the surrounding wall, and can be operated so as to contract the container body, thereby discharging the liquid from the container body via the nozzle head unit.

Abstract: A combined portable, cleaning fluid spray apparatus and paper towel support and dispensing apparatus is provided which combines the functions of a liquid window cleaner spray dispenser and a paper towel roll holder into one product. A long, tube-type arrangement fits inside a roll of paper towels, and the lower portion of the tube comprises a base which holds used and discarded paper towels in a lower compartment. A standard pump sprayer at the top connects to the tube with a threaded connection. An upper plate-type washer along with a tension rod provides a method of restraining the paper towels when not being used, as well as an easy means to tear off the paper towels during use.

Abstract: The present invention pertains to a trigger sprayer which is connectable to two container volumes containing separate liquids. The sprayer has a trigger that is manipulated to draw the separate liquids into two separate pump chambers and then supply the two separate liquids from the pump chambers to a discharge passage of the sprayer. In the discharge passage the two separate liquids are mixed together prior to their being dispensed from the discharge passage as a spray.

Abstract: Disclosed is a method of shaving hair by spraying a shaving preparation directly onto an area of skin to form a dispersed layer of the shaving preparation without the need for hand spreading and shaving the area with a razor. Also disclosed is a dispensing apparatus for spraying a shaving preparation directly onto an area of skin to be shaved. The shaving preparation may be an aerosol or a non-aerosol shaving preparation.

Abstract: A dispensing head is provided for actuating a valve or a pump and for dispensing a product through at least one dispensing orifice. The dispensing head comprises a body and an end element. The body may be configured for coupling to an operating stem of the valve or of the pump. The end element includes a dispensing orifice and is movable with respect to the body. When the dispensing head is mounted on the pump stem or valve stem, the dispensing orifice is in communication with the stem via at least one passage. The end element is capable of being positioned to allow the cleaning of all or part of a dispensing duct. The end element is capable of being translated and pivoted relative to the body. A dispenser assembly may be equipped with this dispensing head.

Abstract: Container structure on which an atomizer can be more conveniently and sealedly installed, including: a container having an opening and at least two first engaging sections formed on outer circumference of the opening; an atomizer seat disposed on the opening of the container and having a first receiving space at lower end thereof, the first receiving space having an opening facing downward, at least two second engaging sections being formed on inner wall of the first receiving space for engaging with the corresponding first engaging sections, a hollow post downward extending from the top of the first receiving space to the open end, a second annular receiving space with a certain depth being defined between the outer circumference of the hollow post and the inner wall of the first receiving space, the opening of the container being tightly inserted in the second receiving space; and an atomizer assembly disposed on the atomizer seat and including a movable valve communicating with the interior of the containe

Abstract: A device (50) for moistening fluid-absorbing media for body-hygiene or care, such as toilet paper, cotton balls, cleaning tissues, cotton pads, fleeces and similar, with a system reservoir (5), in which the fluid for moistening is stored, and a stroke valve unit (5a) attached to the system reservoir (5), which upon engagement gives off liquid or a liquid mist by way of it's nozzle (20), distinguishes itself, that on the valve unit (5a), a detachable distribution unit (2) is attached to its stroke movement, which includes a distribution plate (2b) with a capillary unit (3) on it, or a funnel unit with a capillary unit (3) on it, in the bottom of the distribution plate (2b)/funnel unit there is a recess (14) in which the nozzle (20) of the valve unit (5a) is positioned, the media to be moistened can be placed on the capillary unit (3) to initiate the stroke movement, whereby the capillary unit (3) is so designed and dimensioned so that the liquid/liquid mist released through the stroke movement will be at least

Abstract: A nozzle assembly including a nozzle member, a cap member, a spinner and a foam tube. The cap member is rotationally mounted on the nozzle member and may be rotated from an “off-position” to a “foam-position” with continued rotation bringing the cap member to a “spray-position” and then to a second “foam-position” and then to the “off-position.” Rotation of the cap member drives foam tube from a retracted position to an extended position extending forward of the nozzle member when the cap member is in the “foam-position.” The spinner rotates to atomize liquid flowing through the assembly.

Abstract: A miniaturised device for producing high pressure in a fluid imposes stringent requirements on the manufacturing process.

Abstract: The present invention is primarily directed to a sprayer container comprising a fabric treatment composition, and/or usage instructions to spray its content onto a fabric on a substantially horizontal surface and iron said fabric, said sprayer container comprising a body comprising a base, a handle and a sprayer head, characterized in that the angle between the symmetry axis of the spray jet and the horizontal axis is 10° to 90°, preferably 30° to 40°, more preferably 35° when said container stands on its base on said surface, and the back portion of said sprayer handle comprises an arc portion. The present invention is further directed to a process of treating fabrics using such a sprayer bottle, which comprises the steps of spraying a liquid composition from a sprayer container onto a fabric, and ironing said fabric on a substantially horizontal ironing surface.

Abstract: The present invention pertains to a trigger sprayer which is connectable to two container volumes containing separate liquids. The sprayer has a trigger that is manipulated to draw the separate liquids into two separate pump chambers and then supply the two separate liquids from the pump chambers to a discharge passage of the sprayer. In the discharge passage the two separate liquids are mixed together prior to their being dispensed from the discharge passage as a spray.

Abstract: A new foam spraying apparatus 1 is described for a liquid container. It comprises a piston and cylinder unit (20; 37) for the air and a piston and cylinder unit (21; 38) for the liquid in which arrangement the piston and cylinder units (20, 37; 21, 38) each are provided with an inlet valve (30; 44) and with an outlet valve (24) and are co-operating being coupled to each other. Furthermore a mixing chamber (14) for the mixture of air and liquid and a spraying head (2) with a foam delivery opening (9) are provided. The cylinder (20) of the first unit and the piston (21) of the second unit are interconnected to an intermediate part (5). Furthermore the piston (37) of the first unit and the cylinder (38) of the second unit are also interconnected to a base part (4) in such a manner that the intermediate part (5) and the base part (4) mesh and are movable relative to each other.

Abstract: An aerosol tip mechanism for an aerosol-type dispenser for dispensing liquid content has a flexible outer shell, a rigid cap portion composed of lower and upper portions, and a rigid nozzle portion having a rigid shaft received within the outlet portion of the flexible outer shell. The rigid shaft interfaces the outlet portion of the outer shell, forming a first normally-closed one-way valve. The lower and upper portions of the rigid cap portion form boots adapted to receive an outlet portion of the flexible outer shell, the boots thereby constraining a lateral motion of the outlet portion of the outer shell, and symmetrically centering the outlet portion around the rigid shaft of the nozzle. The rigid nozzle portion includes a plurality of liquid channels for delivering liquid from a reservoir to a swirling chamber defined within the rigid cap portion, which liquid channels are configured to minimize energy losses of the liquid and promote a more homogeneous fluid particle size in the dispensed aerosol.

Abstract: The selector wheel is mounted to rotate about the axis of the nozzle cap, and a spray window and foaming sleeve are formed in the wheel offset from the axis. The window or sleeve is registrable with the offset spray orifice by rotating the wheel. Either window or sleeve can be brought into registry so that the discharge is spray or foam.

Abstract: A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.

Abstract: This invention relates to a method and apparatus for distributing a chemical composition for hunting animals. The chemical composition is distributed in the form of a foam string. The chemical composition can be used to produce scents which attract animals or which mask human scents.

Abstract: A spray gun includes a main body which is provided in the interior with an upright tube, a guide tube, and a compression structure by which a fluid contained in a container is dispersed in the form of a spray via a spray head. The compression structure includes a compression tube located in the interior of the main body, and an elastic tube compressibly received in the compression tube such that the elastic tube is compressed by a connection rod which is actuated by a trigger lever pivoted at one end to the main body.

Abstract: Rechargeable 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 provided 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 dispenser head includes a body defining two housings, which receive a respective nozzle-carrier provided with a nozzle. Each of the housings communicates with the outside via a first opening and via a second opening. Each nozzle-carrier communicates with a feed duct after being inserted in one of the housings via one of the first openings. The substance is dispensed through the second openings.

Abstract: A sprayer including a sprayer container adapted to be filled with a fluid. The sprayer container has at least a portion thereof including thermochromic color-changing properties. The sprayer container includes an interior surface and an exterior surface. A spraying gun is connected to the sprayer container, with the spraying gun including a trigger for selectively spraying pressurized fluid in the sprayer container onto a predetermined object. The sprayer container indicates the amount of fluid in the sprayer container by a color change line located at a transition line between the fluid and gas within the sprayer container when fluid is located within the sprayer container, thereby causing a top area of the sprayer container having the interior surface adjacent the gas to be a first color and a bottom area of the sprayer container having the interior surface adjacent the fluid to be a second color.

Abstract: A mounting member (A) is carried beneath a closure member at the top of a liquid container positioning a receiving member (B) in opposed cantilevered relation thereby providing a lateral passageway (C) for accommodating a liquid dispensing tube so that a sprayer may be carried in upright position in the receiving member.

Abstract: A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.

Abstract: Rechargeable containers and dispensers, in particular a product dispenser, including at least one compartment for storing separately one or more products. Preferably, a container having multiple compartments for storing separately one or more products including a seal for sealing the multiple compartments and a lid connected to the container which can be removed.

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: A portable spray misting device including an internally hollowed body capable of holding a volume of fluid to be dispensed. The body includes a substantially bottom facing surface and a contoured upper body terminating in an upwardly extending and interiorly open neck which defines a first port having a first diameter. A spray applicating head for issuing a mist spray of said fluid is secured to said open neck by means of an integrally formed collar and a portable fan unit including a plurality of rotatable blades may be secured atop the spray applicating head. An interiorly open and annular rim extends from a specified location of the bottom facing surface and defines a second port with a diameter greater than the first diameter of the first port.

Abstract: A miniaturised device for producing high pressure in a fluid imposes stringent requirements on the manufacturing process.

Abstract: A foam dispenser utilizes a deformable reservoir, a foamable fluid and air or other gas; a discharge device and an arrangement for producing foam that includes a plurality of mesh screens. When the dispenser is operated, air from inside the dispenser is mixed with the fluid to produce foam. The dispenser employs a shaped and resilient deformable seal for use in quickly recharging the container with air used in the creation of foam. The dispenser also advantageously employs an integrally molded swirl manifold to create a foam of excellent quality and consistency.

Abstract: A spray can remote control has a body holding and registering the can at a raised top wall portion, and a control mechanism including an actuator guided parallel to a nozzle axis of movement, a branched flexible lanyard for coupling a pull cord, flexible branches of the lanyard connected through a pair of guide rods to opposite ends of the actuator, whereby downward movement of the coupling produces corresponding downward movement of the guide rods and the actuator member without imparting side force to the nozzle button. Respective helical compression springs on the guide rods upwardly bias the actuator member, and stationary guides below the guide rods prevent side forces on the guide rods. The device also has an adjustable handle member, and a pair of sheaves for offsetting the lanyard to facilitate precise control with minimal frictional drag.

Abstract: The invention is a trigger sprayer comprising a tubular nozzle bushing and a nozzle cap rotatable on the bushing. The nozzle cap has an end wall with a first swirl chamber formed on the rear face thereof offset from the axis. Passages to a second chamber are diametrically opposite the first chamber. Both chambers have orifices directed out the front of the cap. The first orifices is surrounded by a foaming sleeve. The second orifice is positioned forward of the first orifice so that the spray cone emanating from the second orifice does not hit the foaming sleeve. The cap can be rotated to connect liquid from the delivery tube to the swirl chamber for one or the other orifices.

Abstract: A gardening applicator for efficiently delivering liquid chemicals to selected vegetation is disclosed. The applicator includes a wind guard chamber through which a stream of emitted liquid chemicals may be directed in a predetermined path along a central axis of the wind guard chamber. The wind guard chamber is preferably tube shaped over a predetermined length and can incorporate a diffuser screen or mesh which extends transversely across the predetermined path at the exit end of the wind guard chamber such that the liquid chemicals are finely dispersed upon passing through the diffuser screen. Actuation of a pressure activated pump head may provide a pressurized stream of liquid chemicals through the wind guard chamber and onto the diffuser screen where it is dispersed in a uniform circular pattern onto selected vegetation. The pressure activated pump head may conveniently be connectable to a liquid chemical reservoir such as a generally commercially available bottle with a standard sized threaded opening.

Abstract: The invention relates to a spray head (100) for a fluid dispenser for dispensing a fluid, the spray head being provided with an expulsion channel (1) opening out in a spray orifice (9), and with a moving closure member (10) mounted to move between a closed position, in which it closes said orifice (9), and a spray position, said closure member (10) being urged resiliently towards its closed position, and being displaced towards its spray position by the pressure of the fluid, the spray head being provided with a swirl chamber (20) of variable volume, the volume of said swirl chamber (20) being at its maximum when the closure member (10) is in the spray position, and being substantially zero when said closure member is in the closed position, said spray head being characterized in that said closure member (10) is provided with the spray orifice (9) and with swirl channels (30) which, when the closure member is in the spray position, connect said expulsion channel (1) to said swirl chamber (20), the volume and

Abstract: The invention relates to a hand lever-operated spray pump (3), particularly for attaching to bottles (2) or similar, having a pump plunger (6) which moves linear in a pump chamber (7) on the housing side and which is connected with the hand lever (5) at the rear of a mouth piece opening (9) and which returns to its starting position as a result of a spring loading, and proposes, for the purpose of achieving a structurally simple, functionally reliable solution, to allocate two hinge points (I, II) to the hand lever (5) one of which (I) is movable in a linear guide on the housing side and the other (II) is arranged on the housing on the side opposite to the mouthpiece (9). In such a way that both hinge points (I, II) are connected by means of two buckling bridge sections (a, b).

Abstract: A dispensing head configured to actuate a dispensing member, particularly a pump or valve, and for dispensing a product, particularly a cosmetic product, via at least one dispensing outlet formed in the dispensing head. The dispensing head includes an element capable of forming a seal between the dispensing head and an inside surface of a pump or valve stem of the dispensing member. The sealing element is configured to engage in a sealed manner inside the pump or valve stem and to make a seal on pump or valve stems of differing inside surface dimensions.

Abstract: A portable backpack sprayer for spraying liquid chemicals such as pesticides, fungicides, and fertilizers having a large storage tank in which is mounted a pressure vessel. A manually actuated pumping assembly is connected with the bottom portion of the pressure vessel and also with the bottom portion of the tank. The pumping assembly comprises a reciprocating piston to draw liquid from the storage tank and pressurize it within the pressure vessel. The operator may discharge the pressurized liquid using a hose and a control valve affixed to the pressure vessel. The pumping assembly further comprises a double-walled piston and a leak barrier to collect any liquid that may leak from the piston. The reciprocating action of the piston is utilized to return the leaked liquid to the storage tank via a return siphon.

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.