Abstract:
A manually operated vertically reciprocated pump dispenser has a simplified construction with two separate pumps that pump two separate liquids from a container and keep the two separate liquids separated from each other as they are pumped through the dispenser, mixing the liquids for the first time in a discharge passage of the dispenser just prior to the mixed liquids being discharged from the dispenser.
Abstract:
A liquid dispensing, manually operated trigger sprayer has a trigger with an ergonomic finger engagement surface. The trigger finger engagement surface extends longitudinally across the front of the trigger and has a protrusion at the top of the surface. The protrusion has a finger engagement surface portion that rests on the top of a finger of a user's hand while the user's hand manipulates the trigger of the trigger sprayer.
Abstract:
A liquid dispensing assembly includes a hand-operated trigger sprayer that is removably attached to a bottle container and communicates with the bottle container through a length of conduit. The trigger sprayer can be securely attached to the bottle container by a child proof connection with the length of conduit stored in an interior volume of the handle of the trigger sprayer or with the length of conduit positioned on the exterior of the trigger sprayer handle and the bottle container.
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 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 liquid dispenser comprising a dispenser body and a valve housing. The dispenser body has a pump mechanism, an intake port adapted for fluid communication with a source of liquid, and an intake liquid flow path providing fluid communication between the intake port and the pump mechanism. The dispenser body further comprises a discharge conduit and a discharge liquid flow path providing fluid communication between the pump mechanism and discharge conduit. The discharge conduit has a downstream end through which dispensed liquid exits the discharge conduit. The valve housing has first and second portions, a fluid passageway within the first and second portions, and a discharge port in the second portion and in fluid communication with the fluid passageway. The first portion of the valve housing is attached to the dispenser body adjacent the downstream end of the discharge conduit so that the passageway of the valve housing is in fluid communication with the discharge conduit. The liquid dispenser further includes a check valve positioned in the passageway of the valve housing. The check valve is moveable between a closed position for blocking fluid flow between the pump mechanism and discharge port and an open position for permitting fluid flow.
Abstract:
The construction of a nozzle head for a trigger sprayer apparatus and the constructions of several variant embodiments of fluid spinners that are assembled into the nozzle head facilitate the assembly of the spinners into the nozzle head with fluid swirl chambers of the spinners centered relative to a fluid discharge orifice of the nozzle head. The swirl chamber of each spinner assembly is surrounded by an annular wall and the end face of the annular wall engages against a flat orifice wall surrounding the sprayer discharge orifice thereby sealing the swirl chamber around the orifice. Tangential grooves through the annular wall provide the only path of fluid flow into the swirl chamber.
Abstract:
An improved trigger sprayer apparatus is comprised of a venting system that allows air to enter a liquid container connected to the apparatus as the apparatus dispenses liquid from the container, a trigger member of the apparatus that provides reliable operation and prevents the inadvertent disconnection of the trigger member from the apparatus, a gasket connected to the apparatus between the liquid container and the apparatus, and a fluid conduit communicating with a nozzle orifice of the apparatus that centers a fluid spinner of the apparatus relative to the orifice.
Abstract:
The atmospheric pressure-operated take-up piston of the dispenser is provided with releasable locking structure which retains the piston prior to first intentional actuation of the dispenser against jarring movements tending to pressurize the contents and promote leakage during shipment and storage. Once the piston has been intentionally unlocked from its starting position at one end of the dispenser, it is free to travel under the influence of atmospheric pressure to take up space left vacant by discharged product. Several different forms of structure means for the take-up piston are disclosed.