Abstract: An adapter for attachment to an existing single flush valve system to convert the single valve system to a dual flush valve system comprises a pair of tubular sections vertically offset from one another and connected by a hollow, enclosed channel. The upper section is adapted to engage a discharge pipe of an existing single flush valve system in order to select a discharge level for a lower volume flush and direct water flowing through the discharge pipe through the adapter. The bottom section of the adapter includes a pivotable flapper valve that can be operated independently of the flapper valve disposed on the single flush system in order to provide a greater volume of water for flushing of the toilet. A mounting arrangement is also provided for attachment to the toilet tank which enables the existing and additional flapper valves to be selectively activated using a pair of handles connected to the arrangement.

Abstract: An adjustable diverter device situated in a water tank regulates the water level in the tank. The water enters the device at one end and a flow exits through a first vent into the tank. A second vent is located at the opposite end with an adjustment valve rotatable in the second end. The valve restricts the flow through the second vent and forces a greater amount of water to flow into the water tank.

Abstract: Controlling a volume of water contained in the toilet's water tank by manipulating short or long a drawing line connected to an operating lever, includes an operating part having an operating member connected with the line and either operated short by pressing an auxiliary button along with the operating lever's handle, or operated long by pressing the overall handle without pushing the auxiliary button; a flush valve opening a drain pipe's intake with a buoyancy maintained if a working distance of the line is short; and a buoyancy control part letting the flush valve's upper part communicate with the water tank and closing the valve to remove the buoyancy if the working distance of the line is long. This system is easily installed in a drain pipe of the water tank already provided to the toilet body, and is capable of controlling a volume of water after installation just by turning the operating lever's handle in one direction only, thus attaining an advantageous economical aspect.

Abstract: The flush system for a toilet provides a discharge pipe upstanding within a flush tank of the toilet. The pipe has a bottom with a bottom opening through which water from the flush tank travels to the toilet bowl of the toilet. The bottom is connected to the first inlet controlled by a first valve and a second inlet controlled by a second valve. The first inlet is at a higher elevation than the second inlet with respect to the bottom opening. The flush system further comprises actuating handle for selectively moving the first and second members in a first mode or a second mode such that in the first mode, only the second inlet is opened and in the second position the first and second inlets are opened.

Abstract: A double-cistern water conservation sanitary water tank comprises two tanks: an external oval tank (9) for evacuating solid waste and an internal round tank (8) for flushing liquid waste mounted within and at a level above a bottom wall of the external oval tank (9), and two actuating handle for operating the tanks. The external oval tank (9) includes a water entrance valve (3) and an elbow-shaped water outlet (4) having one end connected to a first outlet valve (11) inside the external oval tank (9). The internal round tank (8) includes a water entrance valve (1) and a vertical water outlet (2) having one end connected a second outlet valve (10), an intermediate portion connected to the second end of the elbow-shaped water outlet (4), and the other end forming a common drain (7).

Abstract: A flush valve is adapted to be mounted in the tank of a toilet and includes a selector assembly and a flush valve. The selector assembly is accessible from outside the toilet and provides for initiation of the flushing operation and an alternative choice between a larger flush water volume and a smaller flush water volume. A support structure provides for both axial and radial movement of the selector assembly relative to the flush valve in order to facilitate mounting and alignment of the flush valve assembly. A slide mechanism provides for variation of at least the smaller flush water volume.

Abstract: A toilet water tank is provided with a water discharging seat which is in turn provided in the top thereof with an upright tube, a high water discharging port and a low water discharging port. The high and the low water discharging ports are movably covered with a cover respectively. The cover is fastened with the upright tube which is provided with a guide wheel member. A flush handle is located outside the toilet water tank such that the flush handle is connected with a control rod extending to the water discharging seat for locating two chains between the two covers and the control rods. The chains are located by the clamps such that the chains can be installed or replaced with ease and speed.

Abstract: A toilet bowl overflow prevention device is provided including a rigid interconnect member having a top end adapted for being pivotally connected to a knob assembly of a toilet assembly. The interconnect member is adapted for forcing a flush valve of the toilet assembly into sealed abutment with a drain aperture of the toilet assembly when the knob assembly is rotated in a direction opposite of that associated with removing the flush valve from engagement with the drain aperture.

Abstract: A water-saving structure of toilet bowl, includes a tube member, a pull knob, a stopper body, a pull cord, a handle and a valve body disposed at a bottom of a water tank of the toilet bowl. When pulling the pull knob, the stopper body is stopped by the tube member and the valve body is pulled open without totally buoying up, permitting a small amount of water to flow out of the water tank so as to save water. Alternatively, the handle can be pressed down to totally pull up the valve body, permitting the water in the water tank to entirely flow out.

Abstract: A leak preventing detent apparatus for a toilet flush valve assembly in which an inlet valve (13) to a toilet flush tank (11) is controlled by an inlet valve control device (14, 14a, 16, 17), and an outlet flush valve (21) is controlled by a flush lever (19). The detent apparatus includes a follower member (28) that is moved in response to movement of the flush lever at the initiation of a flush cycle, and a detent (25) that is operative to prevent opening of an inlet valve (26) except when a flush cycle is deliberately initiated. In a preferred form of the invention, a primary inlet valve (26) is provided upstream of the usual inlet valve (13) that is controlled by an inlet valve control device, such as a float (14, 14a, 16, 17), and the detent apparatus effectively cooperates with the primary inlet valve to maintain it closed unless a flush cycle is deliberately initiated. The detent member may be hydraulically damped (37-42) to provide a timed delay of its movement into inlet valve closing position.

Abstract: An improved discharge valve comprises an upper housing, an upwardly movable main valve assembly within the housing and forming with the upper part thereof a variable volume upper chamber, a restricted passage between the upper chamber and the exterior thereof, an outlet leading down from the lower part of the housing, a seat for the main valve assembly at the entry to the outlet so that, in the lowered position of the main valve assembly, the outlet is blocked against ingress of fluid in which the device is immersed, and a pilot stem actuable remotely from the housing to put the upper chamber in free communication with the outlet. The arrangement being such that, once such free communication is established, fluid escapes the upper chamber and the change in relative pressures above and below the main valve assembly causes the latter to unseat thereby permitting flow of the immersing fluid into the outlet and its substantially complete discharge.

Abstract: A two-stage toilet is composed of a handle switching device, a locating and fastening device, a water adjusting device, and a water stopping valve device. The handle switching device consists of a camshaft on which the locating and fastening device and the water adjusting device are mounted. The water adjusting device comprises a cord pulling rod for actuating a transmission cord of the water stopping valve device. The water adjusting device is composed of a retaining slot and a retaining block which is retained in the retaining slot at the time when the flush handle of the toilet is pressed to cause the water stopping valve of the water stopping valve device to remain open to permit the flushing until such time when the water adjusting block of the water adjusting device is so actuated by a float ball as to bring about the disengagement of the retaining block with the retaining slot, thereby resulting in an interruption of the flushing.

Abstract: A piston flush valve (10) that is installed in a toilet tank (150) and that operates in combination with a ballcock supply valve (152), a trip lever(154) and a refill tube (158). The piston flush valve (10) includes an upper section (12) which is movably attached to a lower section (72) that is attached to a water egress port (160) located on the bottom of the toilet tank(150). The upper section (12) includes an overflow tube (14) which has a vertical series of outwardly extending slots (24). The slots (24) function in combination with a flush-volume spring clip (58) that is attached to a float (44). The spring clip (58) has a notch (60) sized to fit into one of the slots (24). Depending on which slot (24) the notch (60) is inserted will determine the amount of flush water the toilet tank (150) delivers to the toilet bowl (162).

Abstract: A dual flush mechanism equipped with a two independent flush valves which are each separately controlled by a separate spring loaded button. The flush valves are at different heights in the toilet tank such that actuation of the upper flush valve, by pressing a first button on top of the tank, will produce a short flush, while pressing of the second button will actuate the lower flush valve to produce a long flush. Pivot rods are pivotably supported on a common axis below the first and second buttons. The upper end of each pivot rod is coupled through a spring to its respective push button on top of the tank. The opposite ends of the pivot rods are coupled respectively through a chain to the upper and lower flush valves. Pressing the first button exerts a downward force through the spring on the first pivot rod to raise the opposite end thereof which in turn raises the upper flush valve. Pushing the second button actuates the second pivot rod in the same manner to raise the lower flush valve.

Abstract: A two flush modality toilet composed of a bowl, a tank connected with the bowl wherein the tank is connected to a water supply, a conventional flush modality for flushing solid waste from the bowl, and a urinal flush modality for flushing liquid only waste from the bowl, wherein the urinal flush modality includes: a bowl valve in the form of a pop-up stopper, pop-up seat and pivot ball assembly at the low point of the bowl; a bowl valve control for selecting between open and closed states of the bowl valve, a passageway for directing liquid waste from the bowl into the sanitary drain; and an auxiliary flush control for supplying a limited quantity of flush water from the tank into the bowl to provide restoration of the trap water in the bowl after a urinal flush modality liquid drainage of the bowl has occurred. A foot pedal selectively operates the bowl valve, wherein when in an open state all the liquid in the bowl is drained. Upon release of the foot pedal, the bowl valve is returned to the closed state.

Abstract: A convenient water saving device for flush toilets, which includes one or more main bodies having center holes through which a pull chain passes, wherein the main bodies have chain access slits which extend from the center holes to the outside of the main bodies, and staple insertion holes provided on both sides of the slits. The main bodies are used in combination with a slip-prevention staple which straddles the chain access slits to close slits.

Abstract: A two-stage water-saving flushing device adapted to be fixed in a toilet tank includes an overflow tube made up of one outer tube and one filter tube extensibly connected with the outer tube to be applied to different-sized toilet tanks. The flushing device further has a pressing unit which has a base plate with a cylinder for housing a pressing tube and a function rod inserted through the pressing tube. The function rod is pressed down to flush a large amount of water, and pulled up to flush a small amount of water, by a first arm pulled up to lift a valve of a low-level exit tube connected with the first arm with a chain, and by a second arm pulled up to lift a valve of a high-level exit tube connected with the second arm with a chain.

Abstract: A method and device for limiting upward movement of a flapper valve in a toilet having an overflow pipe, wherein upon flushing the toilet the flapper valve is raised to a maximum height. The device comprises a spherical body having a bore therethrough with a diameter slightly less than the diameter of the overflow pipe. The method comprises inserting the spherical body onto the overflow pipe and positioning it at a height on the overflow pipe such that upon flushing the toilet, the flapper valve is raised and contacts the spherical body, which prevents the flapper valve from being raised to its maximum height. The device limits the amount of water used with each flush and prevents the flapper valve from becoming stuck in an upright position.

Abstract: A leak preventing detent apparatus for a toilet flush valve assembly in which an inlet valve to a toilet flush tank is controlled by an inlet valve control device, and an outlet flush valve is controlled by a flush lever. The detent apparatus includes a follower member that is moved in response to movement of the flush lever at the initiation of a flush cycle, and a detent that is operative to prevent opening of an inlet valve except when a flush cycle is deliberately initiated. In a preferred embodiment, the detent member acts directly on the inlet valve to maintain it closed until a flush cycle is deliberately initiated. The detent member may be hydraulically damped to provide a timed delay of its movement into inlet valve closing position.

Abstract: Leak detector apparatus (40) is provided for use with a toilet inlet valve assembly (12) that includes a float (30) slidable along a vertical post (32), which can be easily installed by a handyman. The leak detector apparatus includes a buoyant body (42) and a mount (44) that pivotally supports the body about a body axis (54) on the float (30). The body has a forward end portion (56) that can engage the post to prevent the float from moving down until a chain device (60) attached to the rear of the body is pulled to pivot the body. The body has a center of buoyancy (80), when immersed in water, which lies forward of the body axis, so when immersed the body urges its forward end portion against the post to prevent the float from moving down. The forward portion of the body can include a metal strip with a sharp edge (74) that "digs" into the inlet valve plastic post. The mount includes a pair of upstanding mount posts (114) that project into air holes (112) on the float.

Abstract: A siphon for use with a flush type toilet having a tank with a drain hole at the bottom. The siphon comprises a vertical tubular discharge portion including a vertical tube which is secured within the drain hole in the bottom of the tank. The siphon also includes a bell shaped inlet portion including a connecting portion having a downwardly extending tubular portion for telescopic insertion into the vertical tube. A hole is defined in the bell shaped inlet portion and an elbow is secured within the hole and extends downwardly, terminating at a height selected to define the desired flush height of the toilet. The flush volume can be automatically set to either a normal or low volume flush with a control that includes a sensor that senses the presence of a user at the toilet.

Abstract: An adjustable valve is inserted in a tubular connection extending between an inlet lien and overflow pipe in the flush tank of a flush toilet. By adjusting the rate of flow through the valve, the level of water standing in the toilet is determined.

Abstract: Water-saving device for flush toilet. A water-saving device as shown and described herein comprises a frame which can be mounted on the exterior of a conventional toilet water tank, a vertical shaft which is integrally formed on the frame for receiving a reciprocable lever mechanism, and a flush lever mechanism which comprises a vertical member which reciprocate vertically in the shaft and a horizontal extension which extends from the vertical member to the outside end of a conventional toilet tank flush handle. As installed, the outside end of this extension is positioned just above the outer end of the flush handle. When the toilet is not in use, the outer end of the extension will be positioned just above the flush handle. To use the device, a user presses the flush lever mechanism downwardly until it is stopped by a gap adjustment screw against the bias of a compression spring, so that the extension engages the flush handle, actuating the toilet tank flush valve to a partially open position.

Abstract: A flush valve of a toilet that includes an internal valve piece and an external valve piece. The external valve piece is circular and is installed inside a circular hole which includes a circular flange that engages the internal valve piece. A rear side of the internal valve piece includes a resilient portion formed from gelatinous material so that the internal valve piece serves the purpose of delaying the reset action. Basically, in the first stage the flush handle is rotated by the user to open the internal valve piece. Thus, the drain rate of the water box is slower. In the second stage, the flush handle further is rotated to a position to engage the internal circular flange of the external valve piece so as to open the external valve piece. Therefore, the drain rate becomes much faster. By the two stage flushing process, the user can regulate the drain rate, thus conserving water.

Abstract: A flush control device for toilet comprises a water discharging member, a control member and a stepped check member disposed at their relative position in a water tank. The stepped check member is composed of a plurality of damper plates in different size and co-axially engaged in a lug means adjacent a water outlet. The damper plates each has a first shoulder of different heights at their front sides toward a outlet valve. So that the damper plates rotate in accordance with the variation of the water level in the tank to check the outlet valve to open a different span so as to discharge a selective amount of flush water into a toilet bowl.

Abstract: A flushing device which permits flushing with two different amounts of flushing fluid. The bottom valve member of the device comprises two float rods which are each connected to a float. The float rod for the small flushing amount is fixedly connected to the bottom valve member, whereas the float rod for the large flushing amount is connected to the bottom valve member via a lost-motion coupling to make it possible for the bottom valve member to move upwards and downwards relative to this float road. In the resting position, the float rod for flushing with the large amount of flushing fluid is locked by means of a lock, such that the float connected to this float rod does not affect the lowering of the bottom valve member towards its valve seat during flushing. The flushing with the small amount of flushing fluid will thus be determined completely by the movements of the other float rod and its associated float.

Abstract: The flushing device has an actuating device for optionally triggering a complete or partial flushing. A valve body of drain fittings is raised for this purpose. In the case of a partial flushing, the valve body is raised with a weight body, which loads the valve body with the valve body raised and brings same prematurely into the closed position against the lifting force of a float after a flushing process has been triggered. A coupling device has a switching member mounted on the weight body in its lower area. This switching member automatically connects the weight body to the valve body during the raising of the weight body with a pulling element connected to the weight body.

Abstract: The apparatus includes control mechanisms which are rotatably secured to the front of the toilet tank for operation and control by a user. The control mechanisms include a first short flush handle adapted for rotation about a horizontal axis and a second normal long flush handle adapted for rotation independent of the rotation of the short flush handle and about the same axis of rotation. A rod in the upper extent of the tank is coupled at its inboard end to the short flush handle with a first mechanism coupled to the remote and thereof coupled to the aperture of the flush plug for raising the flush plug upon the rotation of the short flush handle. A long rod is secured to the flush handle for rotational movement with respect to the normal flush handle and with an exterior end which has an aperture and a second mechanism. The upper end of the second mechanism is secured to the exterior end of the normal flush handle.

Abstract: A refill apparatus for a dual flush apparatus comprises a refill tube connected to a refill valve responsive to a drop in water level in a tank to initiate a refill flow of water for refilling the tank and for refilling a trap via an overflow tube, the refill tube having an inlet end connected to the valve and an outlet end positioned for directing water to the overflow tube for refilling the trap, and a diverting member for diverting the refill flow from the refill tube to the tank during a portion of the refill following a long flush.

Abstract: A method of conserving water in a toilet tank. Firstly, provide a line having a first end and a second end. Secondly, secure the first end of the line to adjacent a peripheral edge of a flapper valve. Attachment can either be made to the flapper valve itself or to the base of the pull chain that extends from the flapper valve to the flush mechanism. Thirdly, secure the second end of the line to a float floating in the toilet tank. Fourthly, use a plurality of direction altering line guides to orient the line such that when the flapper valve is in the open position and the water level falls, the lowering of the float exerts a force upon the line thereby pulling the float into the closed position.

Abstract: A two-stage flush device for a toilet tank comprising a cylindrical bolt adapted to be fixed in a hole of a side wall of a toilet tank and partly exposed out of the side wall, a rotatable button having a shaft portion fitting in a center hole of the cylindrical bolt and also firmly connected with a first actuating arm connected with a low-level valve by means of chain, a push rod having a push button at an outer side and extending through the center hole of the rotatable button to protrude through the center hole to operate a second actuating arm connected with a high-level valve by means of a chain, the first actuating arm lifted by the rotatable button for flushing a larger volume of water, and the second actuating arm lifted by the push rod for flushing a smaller volume of water.

Abstract: An attachment for float operated valves in a water closet of commode is set forth. In the water closet, the rising water on filling moves a floating bulb or ring which is connected with an arm. The adapter of this invention includes a mounting ring for attachment, a mounting post supported by the ring, and a rotatable hanging pendulum which supports a locking shoulder wherein the shoulder hooks the arm moved by the float. That prevents leakage after the water closet has been filled. On flushing, a chain connects to the flush mechanism so that the hanging pendulum and locking shoulder are pulled from the arm to permit float operation.

Abstract: A two-stage flush device for a toilet tank, comprising a cylindrical bolt having a center hole and fixed in a hole of a side wall of a toilet tank and partly exposing out of the side wall, a rotatable button having a shaft portion fitting in the center hole of the cylindrical bolt and also firmly connected with a first actauting arm connected with a low-level valve by way of chain, a rod connected to a button at an outer side and extending through the center hole of the rotatable button to operate a second actuating arm connected with a high-level valve by way of a chain, the first actuating arm lifted by the rotatable button for flushing a larger volume of water, and the rod operating the actuating arm for flushing a smaller volume of water.

Abstract: There is disclosed a level control valve arrangement preferably for use in a water closet cistern for controlling the liquid level in the cistern or container. The arrangement has a liquid inlet (3) feeding an inlet chamber (1) and a movable valve member (7,10) mounted on a seating (11,12) and movable between an open position in which liquid flows from the inlet into the cistern and a closed position in which liquid is prevented from flowing into the cistern. The movable valve member is biased preferably by a float arm into the closed position in response to liquid in the cistern rising to a predetermined level. The movable valve member (7,10) is mounted in the inlet chamber into which water is fed from the inlet (3) and in the closed position the valve is acted upon by a head of water in the inlet chamber to maintain the movable valve member in the closed position.

Abstract: A flush regulator selectively operable in partial flush mode or a full flush mode for use with a water closet including a water storage tank having a flush drain aperture formed in the lower portion thereof and a buoyant flapper valve disposed to selectively seal the flush drain aperture movable between an open and closed position by a flush handle movable between a first and second position to selectively control the flow of water through the flush drain aperture, the flush regulator comprising a buoyant flush assembly movably disposed within the water closet including a float chamber to control the buoyancy of the buoyant flush assembly and a dispensing chamber configured to operatively house a bleach/detergent therein such that when the flush handle is moved from the first position to the second position and released the float chamber engages the buoyant flapper valve in the open position to force the buoyant flapper valve to prematurely return to the closed position to operate in the partial flush mode an

Abstract: The water-saving devices for a toilet is of the type which float up and down on the overflow tube, where downward movement of the device brings it into contact with the flapper valve at the bottom of the toilet tank in order to close it prematurely, thereby reducing the amount of water used for the flush. Upper and lower opposing cup shapes are integrally mounted around respective cylindrical sleeves, the sleeves being adapted to slide one within the other to adjust the spacing between the opposing cup shapes. One sleeve has an inset area with a longitudinal row of spaced holes or indentations. The other sleeve has an elongated tongue having a raised dimple which engages one of the spaced holes or indentations to set the spacing between cup shapes. A number of ribs or vanes are molded as part of the upper cup, and act to deflect the float rod to reduce any possibility of the float rod catching under the upper cup.

Abstract: The ballfloat toilet flush control system comprised of a master flush handle, a discharge valve controlled by the master flush handle, a float pivoted to a float holder on the overflow tube of the ballfloat toilet, an air tube connected between the air chamber of the discharge valve and an air passage on the float holder, an auxiliary flush handle, and an air passage control device controlled by the auxiliary flush handle, whereby the air passage control device tops the air passage, permitting water to be completely drawn out of the water tank of the ball float toilet as the master and auxiliary flush handles are simultaneously pressed; the air passage control device opens the air passage to let water enter the air chamber of the discharge valve so that the discharge valve stops the water outlet of the water tank before water is completely drawn out of the water tank when only the master flush handle is pressed.

Abstract: A dual capacity toilet flusher for controlling the release of water from a storage tank (25) into a bowl (23) and the refilling of the storage tank and the bowl after a flush. For liquid waste, the user gently presses the flush lever (24), thus rotates an arm (11) to raise a guide (13) and the flap valve (19) and locks a detent (64) in the guide against a locking arm (56). The open flap valve lowers the water level (36) and a float (15) connected to a cam assembly (67). After about 3.8 liters of water has drained out, a cam (39A) on the cam assembly rotates a spring loaded rocker assembly (68) to release the locking arm to allow the guide and flap valve to fall to stop water outflow. A feed tube then refills the tank while a bleed tube refills the bowl through the overflow pipe (16). Valves on the feed and bleed tubes allow manual flow rate adjustments. For solid wastes, the user quickly presses the flush lever.

Abstract: A water conservation device for use in toilet tanks which have a valve movable between an open and a closed position. The valve is connected to a flush linkage which draws the valve to the open position upon activation of a flushing lever. The water conservation device consists of an elongate body having a first end and a second end. The first end of the elongate body is indirectly linked to the valve. The second end of the elongate body is indirectly suspended within the toilet tank, such that the elongate body is disposed at an angle to the valve. As the elongate body pivots, the weight of the elongate body pulls the valve into the closed position.

Abstract: A flush regulator selectively operable in partial flush mode or a full flush mode for use with a water closet including a water storage stank having a flush drain aperture formed in the lower portion thereof and a buoyant flapper valve disposed to selectively seal the flush drain aperture movable between an open and closed position by a flush handle movable between a first and second position to selectively control the flow of water through the flush drain aperture, the flush regulator comprising a buoyant flush assembly movably disposed within the water closet including a float chamber to control the buoyancy of the buoyant flush assembly and a dispensing chamber configured to operatively house a bleach/detergent therein such that when the flush handle is moved from the first position to the second position and released the float chamber engages the buoyant flapper valve in the open position to force the buoyant flapper valve to prematurely return to the closed position to operate in the partial flush mode a

Abstract: Dual control flushing mechanism enables a user to select complete or partial flush of a toilet tank. The complete flush is obtained by lifting a mobile assembly containing a float, while maintaining the float intact. The partial flush is obtained by lifting the mobile assembly and simultaneously opening the float so that it fills with water and thereafter sinks, causing a blocking valve to engage and terminate the flushing process before a full flush has been effected.

Abstract: A flush valve leakage prevention and detection device includes a hood for being assembled over a water inlet valve assembly of a toilet tank, a latch for being mounted by the hood for rotation from a locked position wherein a locking arm of the latch holds a float lever of the water inlet valve assembly in a raised position corresponding to a closed position for the water inlet valve assembly and an unlocked position wherein the locking arm is disengaged from the float lever to allow the float lever to move to a lowered position corresponding to an open position for the water inlet valve assembly in response to flushing of the toilet tank and a stop for preventing over rotation of the latch to the unlocked position to permit the latch to automatically return to the locked position upon filling of the toilet tank with water by the water inlet valve assembly.

Abstract: An improved dual mode flush mechanism which provides the selection of either a full flush or a partial flush mode, by manipulating one flush control handle. A full flush is obtained by pushing the handle downward, in the conventional manner, which rotates an actuating lever upward to engage and lift a flush valve lift arm to fully open the flush valve. A partial flush is obtained by lifting the flush handle upward, which rotates the actuating lever downward engaging and rotating one end of a double cam downward, causing the opposite end to pivot upward, which engages and lifts the flush valve lift arm, to a limiting stop position, to partially open the flush valve. Releasing the flush handle causes the flush valve to immediately close, allowing a minimum amount of flushing water for light liquid waste. The flush handle can be held upward against the stop position for a longer time, to allow more flushing water as may be required for darker liquid waste, while still using less water than a full flush.

Abstract: Stoppable flushing mechanism having an assured minimum flow of water is provided with an evacuation orifice having a sealing edge adapted to be positioned in a base of a flushing tank, and a substantially axially movable valve capable of being applied to the sealing edge. A substantially axially movable floater is affixed to the valve and adapted to maintain the valve at a distance from the sealing edge during evacuation of water. A transmission and lifting system is provided for moving the valve, and a push-button control device activates the transmission and lifting system. The transmission and lifting system includes a buoyancy chamber having a first base, with the buoyancy chamber being arranged in an upper portion of a housing in which the floater is housed and being associated with a rapid evacuation mechanism comprising at least one element activatable by the push-button control device, and at least one orifice in the first base or in a vicinity of the first base of the buoyancy chamber.

Abstract: A toilet tank ball cock is designed for use in a toilet tank having an operating lever, a flush valve controlled by the operating lever and a water supply, with the ball cock regulating the supply of water to the tank. The ball cock includes a vertical riser column communicating with the water supply and a water control valve regulating the flow of water from the water supply to the toilet tank. There is a float movable on the riser column and coupled to the water control valve such that downward movement of the float to a selected level opens the water control valve to fill the toilet tank and upward movement of the float to a selected upper level closes the water control valve to stop filling the tank. The float has openings therein in communication with the tank interior. The openings are located to provide for water flow from the float as the water level in the tank drops.

Abstract: A dual volume flushing system for flush tank comprises two flapper valves located adjacent to one another. An abutting tongue is provided between the two valves for preventing the lower valve to interfere with the action of the upper valve. A flush handle is provided to simultaneously actuate both flapper valves in order to allow the water in the flush tank to rush through the valve body in the direction of the toilet bowl to allow the use of a minimal amount of water. The flush handle is also provided with a two system lever to separately actuate the upper flapper valve alone when only liquid material needs to be flushed from the toilet bowl.

Abstract: A flush regulator selectively operable in partial flush mode or a full flush mode for use with a water closet including a water storage tank having a flush drain aperture formed in the lower portion thereof and a buoyant flapper valve disposed to selectively seal the flush drain aperture movable between an open and closed position by a flush handle movable between a first and second position to selectively control the flow of water through the flush drain aperture and to dispense bleach or detergent into the water storage tank, the flush regulator comprising a buoyant flush assembly movably disposed within the water closet including a float chamber to control the buoyance of the buoyant flush assembly and a dispensing chamber configured to operatively house a bleach/detergent therein such that when the flush handle is moved from the first position to the second position and released the float chamber engages the buoyant flapper valve in the open position to force the buoyant flapper valve to prematurely retur

Abstract: A water tank for a flushing system comprising two control knobs for two-step flow control, wherein the valve cap of the drain valve in the water tank is opened for completely draining all of the water out of the water tank when a first control knob is rotated. The valve cap of the drain valve in the water tank is opened and a float is released from the restraint of a rocker arm when a second control knob is rotated. The valve cap of the drain valve is then forced to close by the released float, after half the volume of the water has been discharged from the water tank.

Abstract: A flush valve leakage prevention and detection device includes a latch for supporting a float lever of a float controlled water inlet valve assembly of a toilet tank in a raised, latched position corresponding to a closed position for the water inlet valve assembly, with a control arm on the latch being engaged by a flush lever of the toilet tank. A support pivotally mounts the latch within the toilet tank, and the latch is rotationally biased relative to the pivot such that the control arm is urged in supporting engagement upon the flush lever and the latch is positioned to hold the float lever in the raised, latched position.

Abstract: A water saving device for toilets providing both partial flush and full flush capability is disclosed wherein for the partial flush, air is controllably removed from the interior cavity of a flapper valve to render the flapper valve non-buoyant to return it to its sealing position on the valve seat and terminate flow of water out of the reservoir tank. Removal of air from the flapper valve cavity is rendered a function of the dropping water level in the reservoir tank by attachment of one end of flexible tubing to the flapper valve contained air cavity, the other end of the flexible tubing communicating with the interior cavity of a cylinder, the cylinder having one closed end and one open end, the open end residing downward in the water. As water drops in the toilet tank, it also drops in the cylinder and air is sucked from the flapper valve cavity.