A toy water gun actuation mechanism for controlling opening of a valve with a base, a trigger, a coupling member being configured to be connected to the valve member and including a movably supported blocking member with an abutment that enables a valve to be opened and closed in a given period if the blocking member is in a blocking position and if the coupling member is in the a first position, the abutment then being positioned in trajectory of the coupling member defined by a movement of the coupling member from the first position into a second. If the blocking member is in its non-blocking position, the abutment is located outside the trajectory. A first elastic member is connected to the trigger and to the coupling member, The trigger has a pusher dog configured to move and/or release a movement of the blocking member into a non-blocking position.

A trigger sprayer assembly for dispensing a fluid is provided. The assembly includes an engine having a piston chamber and an outlet passage that is fluidly coupled to the piston chamber, a piston having a plunger and an intermediate portion that extends from the plunger and terminates in an end portion, a trigger lever having a main body and a piston coupling body, and a pair of trigger springs coupled to the main body. Each trigger spring includes a first curved portion, a second curved portion, and a terminating portion. The terminating portions are configured to fit within recesses formed in the engine, and the piston coupling body engages with the end portion. Pivoting the trigger lever from a neutral position to an actuated position compresses the trigger springs and pushes the plunger into the piston chamber to drive fluid into the outlet passage.

A trigger sprayer assembly is provided. The assembly includes an engine having a piston chamber and a fluid passage that extends from an inlet portion to an outlet portion, a piston having a plunger that is disposed within the piston chamber, and a trigger lever that is configured to pivot between a neutral position and an actuated position. The assembly further includes an input valve and an output valve configured to control unidirectional fluid flow through the inlet and outlet portions of the fluid passage. The input valve includes a cylindrical body terminating in a flap portion. Pivotal movement of the trigger lever from the actuated position to the neutral position pulls the plunger out of the piston chamber such that the flap portion of the input valve pivots from a closed position to an opened position and fluid flows through the input valve and into the piston chamber.

A manually operated trigger sprayer that stores a quantity of pressurized liquid during the charge stroke of the trigger for subsequent release during the return stroke, is presented. The trigger sprayer is configured such that an appreciable volume of liquid is dispensed during both the charge and the return strokes of the trigger, creating a continuous discharge stream, for so long as the trigger is actuated. The present invention trigger sprayer also provides an all plastic construction by replacing tile metal coil spring of prior art trigger sprayers with a U-shaped plastic spring located exterior to the pump housing thereby making the trigger sprayer well-suited for recycling.

A portable electronic device that selectively deploys a liquid incapacitating chemical agent is described. During operation, the portable electronic device receives or provides a trigger signal. For example, the portable electronic device may include a trigger (such as a mechanical or an electronic trigger), and the portable electronic device may provide the trigger signal when the trigger is activated. Alternatively or additionally, the portable electronic device may provide the trigger signal when an individual is detected in proximity or may receive the trigger signal via wireless communication. In response to the trigger signal, a control circuit provides a control signal to a pump. Then, based at least in part on the control signal, the pump transfers the liquid incapacitating chemical agent from a reservoir to a nozzle. Next, the nozzle discharges the liquid incapacitating chemical agent, e.g., in a stream, where the stream is external to the portable electronic device.

A handheld comminutor—spray bottle assembly includes a bottle; a comminutor; and a sprayer assembly. The bottle has an externally threaded mouth. The comminutor includes a comminutor body, with an internally threaded rim, housing a power source and an electrically connected motor. Blades connected to the motor by a shaft extend from the comminutor body. The sprayer assembly includes a spray head attached to a spray bottle cap, a siphon straw and an elongated filter housing connected with a spray head inlet, with a filter on the housing. A filter housing cap secures the filter to the housing. The spray bottle cap has an internally threaded rim and a seal ring. The comminutor rim and the spray bottle cap rim alternately connect with the mouth of the bottle. The motor rotates the shaft and the blades. Biomatter and liquid comminuted in the bottle are dispensed using the spray head.

An example portable fluid spraying system includes a handheld fluid sprayer. The handheld fluid sprayer includes a fluid reservoir configured to store a fluid, a pump configured to pump the fluid from the fluid reservoir to an outlet of the handheld fluid sprayer and a handle. The handheld fluid sprayer includes a first trigger proximate the handle, configured to control fluid flow to the outlet. The portable fluid spraying system includes a fluid hose having a coupling mechanism configured to removably couple to the handheld fluid sprayer proximate the outlet and a fluid spray gun. The fluid spray gun includes a gun inlet configured to couple to the fluid hose and receive the fluid from the handheld fluid sprayer, a gun outlet configured to expel the fluid in a spray pattern and a second trigger configured to control fluid flow to the gun outlet.

A trigger-type liquid dispenser that, even when lateral force is applied to a trigger, prevents liquid leakage. The trigger-type liquid dispenser includes a pump, which includes: a cylinder, which includes an inner tubular wall and an outer tubular wall; a piston, which has a front-side end portion; a front-side sealing piece and a rear-side sealing piece; an outer-circumferential-side support portion; and an inner-circumferential-side support portion. The outer-circumferential-side support portion is provided with an annular cut-off portion, which forms a gap between the outer-circumferential-side support portion and an outer circumferential surface of the piston.

An adaptor assembly for use in a dispenser for a replaceable fluid container comprising a fluid reservoir and a fluid pump. The adapter assembly is used in conjunction with the dispenser to allow a use of a fluid container having a pump being actuated by laterally compressing it. The adaptor assembly comprises an actuation part being movable, when mounted in the dispenser, and comprises a first contact surface for abutting against the user actuator and a second contact surface for abutting against the pump. The adaptor assembly also comprises a first connecting support for removably connecting the actuation part to the dispenser and/ or the fluid dispensing package mounted in the compartment. A fluid dispensing system including the adaptor assembly is also disclosed.

A trigger-type liquid dispenser includes a dispenser main body, pump, and nozzle. The body includes a fitted portion, which communicates with a delivery port. The nozzle includes a partition wall, which covers an opening end of the fitted portion and has a dispensing hole, and an outer circumferential wall. The nozzle is rotatable with respect to the fitted portion between an opened position, wherein the hole communicates with the port, and a closed position, wherein the hole is blocked. The outer circumferential wall includes a locking projection, in undercut engagement with a projecting portion, on an outer surface of the fitted portion, to hold the nozzle in engagement with the fitted portion. The locking projection, in an inner edge portion thereof, has a concave portion, wherein the degree of undercut engagement with the projecting portion is reduced when the nozzle is located between the opened and the closed position.