A dual-levered faucet assembly which allows user to reduce water usage by 50% when needed while operating the faucet in habitual preferred manner of using swift single motion of hand. When any one lever is operated in this manner, the water outflow is 50% of a conventional single-levered faucet. Whe
A dual-levered faucet assembly which allows user to reduce water usage by 50% when needed while operating the faucet in habitual preferred manner of using swift single motion of hand. When any one lever is operated in this manner, the water outflow is 50% of a conventional single-levered faucet. When both levers are operated in this manner, water outflow is same as that of a conventional single-levered faucet.
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1. A faucet assembly, comprising: a body having at least one inlet for introduction of fluid into the faucet assembly and an outlet for releasing fluid;a pair of devices to operate the faucet assembly, said pair of devices being operable by a first method and, selectively, a second method;a fixed-pl
1. A faucet assembly, comprising: a body having at least one inlet for introduction of fluid into the faucet assembly and an outlet for releasing fluid;a pair of devices to operate the faucet assembly, said pair of devices being operable by a first method and, selectively, a second method;a fixed-plate being a flat plate having a bottom surface and a top surface, with said bottom surface having at least one inflow aperture, wherein each said inflow aperture bifurcates into two inflow apertures at said top surface for fluid communication, and wherein said top surface having two outflow apertures converging into one outflow aperture at said bottom surface for fluid communication;a pair of movable-plates, positioned sealingly over the top surface of said fixed-plate, such that rectilinear movement of said pair of movable-plates varies flow rate of at least one fluid, and that rotational movement of said pair of movable-plates varies ratio mixture of the fluids;a coupling mechanism comprising two parts, such that each said part receives activation from corresponding device of said pair of devices and engages corresponding movable-plate of said pair of movable-plates;a housing positioned securely inside the body such that said housing sealingly encases members selected from a group consisting of the fixed-plate, the pair of movable-plates and the coupling mechanism, andwhereas in operation using the first method, said pair of devices operate independent of each other and wherein each device of said pair of devices activates corresponding part of said coupling mechanism, whereby said part of the coupling mechanism conveys rectilinear movement to corresponding movable-plate of said pair of movable-plates, andwhereas in operation using the second method, said faucet assembly has a means to constrain said pair of devices to operate together, and said pair of devices activates said coupling mechanism, whereby said coupling mechanism conveys rotational movement to said pair of movable-plates. 2. The faucet assembly of claim 1, wherein the pair of devices is a pair of levers, and the first method is operating said pair of levers about a first axis, and the second method is operating said pair of levers about a second axis. 3. The faucet assembly of claim 2 has a dome in top portion of said body, wherein said dome has a pair of slots with said pair of levers passing through said pair of slots, and wherein said dome facilitates independent movement of the levers about the first axis, and wherein each part of said coupling mechanism has a hemispherical portion with a stem and a projection, wherein said stem is connected to corresponding lever of said pair of levers and said projection engages corresponding movable-plate of said pair of movable-plates, andwherein said housing sealingly encases the fixed-plate, the pair of movable-plates and the coupling mechanism. 4. The faucet assembly of claim 3, wherein said dome is rotatable about the second axis, and said dome constrains said pair of levers to move together about the second axis, and wherein the bottom surface of said fixed-plate has two inflow apertures. 5. The faucet assembly of claim 3, wherein the bottom surface of said fixed-plate has one inflow aperture. 6. The faucet assembly of claim 2, wherein said coupling mechanism is positioned in top portion of said body, with each part of said coupling mechanism having a hemispherical portion and a projection, wherein said hemispherical portion is connected to corresponding lever of said pair of levers and said projection engages corresponding movable-plate of said pair of movable-plates, and wherein said hemispherical portions facilitate independent movement of said pair of levers about the first axis, andwherein said housing sealingly encases the fixed-plate and the pair of movable-plates. 7. The faucet assembly of claim 6, wherein said hemispherical portions constrain said pair of levers to move together about the second axis, and wherein the bottom surface of said fixed-plate has two inflow apertures. 8. The faucet assembly of claim 6, wherein the bottom surface of said fixed-plate has one inflow aperture. 9. The faucet assembly of claim 1 has a guide-plate which supports movement of said pair of movable-plates over said fixed-plate. 10. The faucet assembly of claim 9, wherein said guide-plate is a flat hollow member with one side open forming a chamber and other side having two slots to access the movable-plates, said chamber having three flanges with a central flange and two flanges disposed parallelly on either side of said central flange, said three flanges forming two channels, whereby said pair of movable-plates is positioned inside said channels to sealingly slidably move over the fixed-plate. 11. The faucet assembly of claim 1, said pair of movable-plates, each having a chamber in a bottom side and a means to be engaged with said coupling mechanism, said bottom side positioned sealingly over the top surface of said fixed-plate such that said chamber covers the outlet aperture on the top surface of said fixed-plate, whereas rectilinear movement of said movable-plate selectively seals or unseals, fully or partially, the inlet apertures on the top surface of said fixed-plate to vary flow rate of at least one fluid, and whereas rotational movement of said pair of movable-plates selectively seals or unseals, fully or partially, the inlet apertures on the top surface of said fixed-plate to vary ratio mixture of the fluids. 12. A faucet assembly, comprising: a body having at least one inlet for introduction of fluid into the faucet assembly and an outlet for releasing fluid;a pair of levers to operate the faucet assembly, said pair of levers being operable about a first axis and, selectively, a second axis;a fixed-plate being a flat plate having a bottom surface and a top surface, with said bottom surface having at least one inflow aperture, wherein each said inflow aperture bifurcates into two inflow apertures at said top surface for fluid communication, and wherein said top surface having two outflow apertures converging into one outflow aperture at said bottom surface for fluid communication;a pair of movable-plates, positioned sealingly over the top surface of said fixed-plate, such that rectilinear movement of said pair of movable-plates varies flow rate of at least one fluid, and that rotational movement of said pair of movable-plates varies ratio mixture of the fluids;a coupling mechanism comprising two parts, wherein each part is connected to corresponding lever of said pair of levers and said part engages corresponding movable-plate of said pair of movable-plates;a housing positioned securely inside the body such that said housing sealingly encases members selected from a group consisting of the fixed-plate, the pair of movable-plates and the coupling mechanism, andwhereas in operation about the first axis, said pair of levers move independent of each other, wherein each lever of said pair of levers activates corresponding part of said coupling mechanism, whereby said part of the coupling mechanism conveys rectilinear movement to corresponding movable-plate of said pair of movable-plates, andwhereas in operation about the second axis, said faucet assembly has means to constrain said pair of levers to move together about the second axis and said pair of levers activates said coupling mechanism, whereby said coupling mechanism conveys rotational movement to said pair of movable-plates. 13. The faucet assembly of claim 12, each part of said coupling mechanism has a hemispherical portion with a stem and a projection, wherein said stem is connected to corresponding lever of said pair of levers and said projection engages corresponding movable-plate of said pair of movable-plates, and said means to constrain said pair of levers comprises a dome, wherein said dome has a pair of slots with said pair of levers passing through said pair of slots whereby facilitating independent movement of said pair of levers about the first axis and constraining said pair of levers to move together about the second axis. 14. The faucet assembly of claim 12, each part of said coupling mechanism has a hemispherical portion and a projection, wherein said hemispherical portion is connected to corresponding lever of said pair of levers and said projection engages corresponding movable-plate of said pair of movable-plates, and said means to constrain said pair of levers comprises said hemispherical portions whereby facilitating independent movement of said pair of levers about the first axis and constraining said pair of levers to move together about the second axis.
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이 특허에 인용된 특허 (18)
Cattaneo,Piero, Cartridge for adjusting the flow rate and mixing of water flows in faucets in general.
Hart Thomas G. (Piscataway NJ) Ohaus Karl G. (Chatham NJ) Nickerson Earl W. (Ocean City NJ) Meisner David J. (Monmouth Beach NJ), Self-closing valve for sanitary installations.
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