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 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 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: Adjustable shelving apparatus comprises a shelf, at least one upright post, and at least one collar. The collar grips the post at any one of a plurality of discrete positions along the post and has an outer surface sized for a snug fit in a collar-receiving socket of the shelf. At least part of the collar is resiliently flexible and has a locking element which can be moved into and out of engagement with locking elements along the post by resiliently flexing the collar.

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 liquid dispenser comprising a dispenser body having a pump mechanism defining a variable volume fluid receiving cavity. A cylindric formation, smaller than the fluid receiving cavity, is within the cavity and a vent passageway is in fluid communication with the cylindric formation. A plunger is reciprocally moveable within the cylindric formation and is configured for moving with the pump mechanism as the pump mechanism is moved between extended and contracted positions. The plunger and cylindric formation are configured such that the vent passageway is in fluid communication with the fluid receiving cavity of the pump mechanism when the pump mechanism is in its contracted position and is configured to block fluid communication between the vent passageway and the fluid receiving cavity when the pump mechanism is in its extended position.

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 is extends axially downwardly into the pump chamber. The 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 priming valve is mounted on the plunger radially inwardly of the piston for movement with the plunger. It is configured to be open and thereby permit 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 configured to be closed and thereby prevent fluid from flowing upward through the pump chamber when the piston stroke moves the piston upward.

Abstract: A liquid dispenser comprising a dispenser body, a check valve, a pressure regulating valve, and a pump piston. The dispenser body has a generally cylindric inner surface defining at least part of a pump chamber, an intake port for fluid communication with a source of liquid, an intake liquid flow path providing fluid communication between the intake port and pump chamber, a discharge port, and a discharge liquid flow path providing fluid communication between the pump chamber and discharge port. The check valve checks fluid flow from the pump chamber to the intake port. The pump piston has a head at its inner end reciprocally slidable within and in sealing engagement with the pump chamber between first and second positions. A vent passageway is defined at least in part by both the dispenser body and pump piston for venting air from the fluid receiving cavity.

Abstract: A plastic storage container with wheel assemblies having an axle pin rotatably fixed to the container, a secure lid latch having a double-wall construction to ease opening and closing as well as an offset hinge to allow protection of the latch during distribution, and an internal tray having dependent flanges which mate to the storage container to prevent the walls of the storage container from splaying.

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.