Abstract: A manually operated reciprocating fluid pump is configured to be secured to a neck of a bottle. The neck of the bottle comprises a circumferential rim having an inner surface and an outer surface. The inner surface defines a mouth of the bottle. The fluid pump comprises a dispenser body, a closure cap, and a seal assembly. The dispenser body has a pump mechanism, a discharge port, and a discharge liquid flow path providing fluid communication between the pump mechanism and discharge port. The closure cap is connected to the dispenser body and is configured for closing the mouth of the bottle. The closure cap comprises a skirt configured for attachment to the neck of the bottle. The seal assembly comprises a circumferential outer rim seal and a circumferential inner rim seal spaced radially inward of the outer rim seal. The outer rim seal is shaped and sized to engage the outer surface of the rim of the bottle when the skirt is attached to the neck of the bottle.

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 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: In a cap and container closure, the cap is integrally formed with a trigger sprayer housing and the cap and container have a bayonet-type closure that attaches the cap to the container by pressing the cap downwardly on the container without turning, or by no more than a quarter turn of the cap relative to the container, and the cap also has upper and lower lugs that engage against the top and bottom surfaces of ridges on the container neck to hold the cap securely on the container neck and prevent any rocking movement of the cap on the container.

Abstract: A manually operated liquid dispenser having two telescoping sleeves shielding the dispenser fluid passageways from dilution and/or contamination of the fluid being dispensed by a fluid splashed on the exterior of the dispenser.

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: 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: A manually operated reciprocating fluid pump configured to be secured to a container's mouth comprises a dispenser body and a lower member connected to the dispenser body. The dispenser body has a pump mechanism, a discharge port, and a discharge liquid flow path providing fluid communication between the pump mechanism and discharge port. The lower member is of a molded one piece construction and comprises a housing portion and a seal portion. The housing portion has an intake port adapted for fluid communication with liquid contained in the container. The housing portion at least in part defines an intake liquid flow path providing fluid communication between the intake port and the pump mechanism. The seal portion is engageable with the container and is shaped and configured for providing a fluid-tight seal between the lower member and the mouth of the container. The seal portion is of a first material and the housing portion is of a second material different from the first material.

Abstract: A manually operated pump comprises a pump housing and a plunger. The pump housing has a pump chamber and an intake port. The plunger extends into the pump chamber. A piston is on the plunger and is reciprocally and axially slidable within the pump chamber between a bottom stroke position and a top stroke position. The fluid pump further includes a priming valve, a check valve, a sealing plug, and a plug seat. The priming valve permits fluid to flow upward through the pump chamber when the piston stroke moves the piston downward from the top stroke position toward the bottom stroke position, and prevents fluid from flowing upward through the pump chamber when the piston stroke moves the piston upward from the bottom stroke position toward the top stroke position. The check valve has a valve seat and a moveable valve member moveable between a closed position in which the moveable valve member moveable between seated and unseated positions.

Abstract: A manually operated reciprocating fluid pump for securement to a container's mouth. The fluid pump comprises a dispenser body, a closure cap, a seal assembly, and a priming check valve. The dispenser body has a pump mechanism, a discharge port, and a discharge liquid flow path providing fluid communication between the pump mechanism and discharge port. The closure cap is connected to the dispenser body and is configured for closing the mouth of the container. The seal assembly has a first portion and a second portion. The first portion is shaped and configured for preventing leakage between the closure cap and the mouth of the container when the closure cap closes the mouth of the container. The second portion has an intake port adapted for fluid communication with liquid contained in the container. The second portion of the seal assembly and the dispenser body define an intake liquid flow path providing fluid communication between the intake port and the pump mechanism.

Abstract: A manually operated reciprocating fluid pump comprising a pump housing, a plunger, a piston and a priming valve. The pump housing has an inner surface and a pump chamber defined at least in part by the inner surface. The pump chamber extends axially through the pump housing. The plunger extends axially into the pump chamber. The piston is reciprocally and axially slidable via the plunger and within the pump chamber between a bottom stroke position and a top stroke position. The priming valve is configured to be open and thereby permit fluid to flow upward through the pump chamber when the piston stroke moves the piston from the top stroke position toward the bottom stroke position and configured to be closed and thereby prevent fluid from flowing through the pump chamber when the piston stroke moves the piston toward its tip stroke position. At least part of the priming valve and at least part of the piston are a single monolithic piece.

Abstract: A trigger sprayer comprises a dispenser body, a pump mechanism adjacent the dispenser body, and a trigger adjacent the pump mechanism. The pump mechanism including a pump element moveable relative to the dispenser body between first and second positions. The trigger is connected to the pump element and moveable between first and second positions wherein movement of the trigger to its first position causes movement of the pump element to its first position and movement of the trigger to its second position causes movement of the pump element to its second position. The trigger sprayer is configured so that a first application of force by a user is needed to move the trigger from the first position to the second position and a second application of force by a user is needed to move the trigger from the second position to the first position. The trigger has first and second finger engaging portions and a finger receiving opening for receiving at least one finger of a user.

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: On a manually operated reciprocating liquid pump, comprising a plunger mounted for reciprocating movement between charge and discharge positions in a pump housing, a lock mechanism on the pump selectively locks the plunger in its charge and discharge positions relative to the pump housing. Seals are also provided that prevent leakage through the pump when the plunger is in its charge and discharge positions.

Abstract: A dispenser comprises a container for containing fluid to be dispensed and a manually operated reciprocating fluid pump 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, a closure cap portion configured for securing the fluid pump to the container, and a seal portion engageable with the container for providing a fluid-tight seal between the fluid pump and the container. The container includes a neck having a mouth therein for passage therethrough of liquid in the container. The container further includes a flange circumscribing the neck of the container.

Abstract: A trigger sprayer comprises a dispenser body, a pump mechanism adjacent the dispenser body, a trigger adjacent the pump mechanism, and a plug. The dispenser body has an intake port adapted for fluid communication with a source of liquid, an intake liquid flow path providing fluid communication between the intake port and the pump mechanism, a discharge port, and a discharge liquid flow path providing fluid communication between the pump mechanism and discharge port. The pump mechanism includes a pump element reciprocally moveable relative to the dispenser body to draw fluid in through the intake port and force it out through the discharge port. The trigger is moveable relative to the dispenser body between forward and rearward positions and is located and configured to cause the pump element to move from its first position to its second position when the trigger is moved from its forward position to its rearward position.

Abstract: A cap, spinner, and discharge nozzle assembly for use with a liquid dispensing apparatus such as a trigger sprayer. The spinner assembly can be externally fitted to the discharge nozzle, and includes an annular chamber surrounding a central post having a swirl chamber in its top. The central post includes longitudinal grooves, communicating with tangential grooves in an annular wall defining the swirl chamber. Apertures are provided in the base of the annular chamber such that pressurized liquid flows through the apertures and into the annular chamber, with a resulting reduction of velocity, and then along the longitudinal grooves and through the tangential grooves into the swirl chamber. A cap is provided which variably engages the discharge nozzle and which has at least a central projection on the inner side of its front face, and preferably an annular groove formed by an outer projection surrounding the central projection.