US3870080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Volume and temperature regulating faucet
Assignee: Individual
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Filing: 1974-01-14
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Granted: 1975-03-11
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Expires: 1994-01-14
Abstract
Abstract A volume and temperature regulating faucet or valve having a single handle which is rotated to regulate the volume and reciprocated to regulate the temperature of water issuing from the faucet. The operating mechanism of the faucet comprises a unitary cartridge which may be inserted in any rotated position in the faucet housing and in any inserted and axial mixing positions will effectively prevent cross flow between the hot and cold water inlets.
Inventors
- 👤 Hermann H Landwehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:47
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/078; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86549; Y10T137/87056; Y10T137/87088; Y10T137/87917; Y10T137/88022; Y10T137/8803
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
186 words
A volume regulating and mixing faucet for hot and cold water lines, comprising a faucet housing having an elongated bore substantially circular in transverse section, a hot water inlet, a cold water inlet, an outlet, said inlets and outlet opening into said bore at longitudinally spaced apart positions, a unitary cartridge having an outer surface generally conforming to the inner surface of said bore and mounted in said bore in cooperation with said inlets and outlet, said cartridge including an internal chamber, a stem for operating said faucet, means mounting said stem in said cartridge for rotation of said stem relative to said cartridge and for axial movements of said cartridge in said bore responsive to axial movements of said stem, first means in said cartridge responsive to certain axial movements of said cartridge in said bore for receiving and directing certain varied amounts of water from said inlets to said internal chamber, and second means in said cartridge responsive to certain rotations of said stem relative to said cartridge for receiving and directing certain varied amounts of water from said internal chamber to said outlet.
Claim 2
Dependent Claim
186 words
A volume regulating and mixing faucet for hot and cold water lines, comprising a faucet housing having an elongated bore substantially circular in transverse section, a hot water inlet, a cold water inlet, an outlet, said inlets and outlet opening into said bore at longitudinally spaced apart positions, a unitary cartridge having an outer surface generally conforming to the inner surface of said bore and mounted in said bore in cooperation with said inlets and outlet, said cartridge including an internal chamber, a stem for operating said faucet, means mounting said stem in said cartridge for rotation of said stem relative to said cartridge and for axial movements of said cartridge in said bore responsive to axial movements of said stem, first means in said cartridge responsive to certain axial movements of said cartridge in said bore for receiving and directing certain varied amounts of water from said inlets to said internal chamber, and second means in said cartridge responsive to certain rotations of said stem relative to said cartridge for receiving and directing certain varied amounts of water from said internal chamber to said outlet.
Claim 3
Dependent Claim
186 words
A volume regulating and mixing faucet for hot and cold water lines, comprising a faucet housing having an elongated bore substantially circular in transverse section, a hot water inlet, a cold water inlet, an outlet, said inlets and outlet opening into said bore at longitudinally spaced apart positions, a unitary cartridge having an outer surface generally conforming to the inner surface of said bore and mounted in said bore in cooperation with said inlets and outlet, said cartridge including an internal chamber, a stem for operating said faucet, means mounting said stem in said cartridge for rotation of said stem relative to said cartridge and for axial movements of said cartridge in said bore responsive to axial movements of said stem, first means in said cartridge responsive to certain axial movements of said cartridge in said bore for receiving and directing certain varied amounts of water from said inlets to said internal chamber, and second means in said cartridge responsive to certain rotations of said stem relative to said cartridge for receiving and directing certain varied amounts of water from said internal chamber to said outlet.
Claim 4
Dependent Claim
186 words
A volume regulating and mixing faucet for hot and cold water lines, comprising a faucet housing having an elongated bore substantially circular in transverse section, a hot water inlet, a cold water inlet, an outlet, said inlets and outlet opening into said bore at longitudinally spaced apart positions, a unitary cartridge having an outer surface generally conforming to the inner surface of said bore and mounted in said bore in cooperation with said inlets and outlet, said cartridge including an internal chamber, a stem for operating said faucet, means mounting said stem in said cartridge for rotation of said stem relative to said cartridge and for axial movements of said cartridge in said bore responsive to axial movements of said stem, first means in said cartridge responsive to certain axial movements of said cartridge in said bore for receiving and directing certain varied amounts of water from said inlets to said internal chamber, and second means in said cartridge responsive to certain rotations of said stem relative to said cartridge for receiving and directing certain varied amounts of water from said internal chamber to said outlet.
Claim 5
Dependent Claim
55 words
A volume regulating and mixing faucet as defined in claim 1, and means on one end of said cartridge cooperating with said housing to permit said cartridge to be mounted in any rotated position relative to said bore and to prevent said cartridge from rotating relative to said bore responsive to rotations of said stem.
Claim 6
Dependent Claim
112 words
A volume regulating and mixing faucet as defined in claim 2, wherein said last mentioned means comprises a generally cylindrical member mounted concentrically about said one end of said cartridge and within said bore, a pair of diametrically opposed slots in the surface of said one end of said cartridge and extending in axial directions of said cartridge, a pair of projections relatively fixed within said cylindrical member and disposed within said slots to prevent said cartridge from rotating relative to said cylindrical member while permitting axial movement of said cartridge relative to said cylindrical member, and means for fixedly securing said cylindrical member in any rotated position relative to said bore.
Claim 7
Dependent Claim
163 words
A volume regulating and mixing faucet as defined in claim 2, said first means in said cartridge including a plurality of radial and axial passageways, said axial passageways extending from said internal chamber to positions spaced from the other end of said cartridge, pairs of said radial passageways positioned in a spaced apart relationship axially of said cartridge and each pair of said radial passageways extending between one of said axial passageways and the outer surface of said cartridge, each of said radial passageways of each pair of said radial passageways arranged for a varied amount of fluid connection to one of said inlets dependent upon the axial and rotated positions of said cartridge, and said inlets and said axial passageways further arranged to avoid any fluid connection of one of said pairs of radial passageways to both of said inlets in any rotated position of said cartridge in said bore and in any axial position of said cartridge relative to said bore.
Claim 8
Dependent Claim
118 words
A volume regulating and mixing faucet as defined in claim 4, a sealing member of a size sufficient to substantially simultaneously cover the openings of said axial passageways in said internal chamber, means carrying said sealing member in said internal chamber in cooperation with said openings of said axial passageways in said internal chamber for substantial sealing of said openings in response to a water pressure drop in one of said axial passageways when said first means in said cartridge is in an operated condition directiNg water from said inlets to said internal chamber and said second means in said cartridge is in an operated condition blocking the passage of water from said internal chamber to said outlet.
Claim 9
Dependent Claim
72 words
A volume regulating and mixing faucet as defined in claim 4, said axial passageways arranged substantially in a circle about the central axis of said cartridge, a check valve, said check valve comprising a sealing member and an integral shaft, said shaft loosely journaled in said cartridge on said central axis and between said axial passageways with said sealing member disposed over the ends of said axial passageways to said internal chamber.
Claim 10
Dependent Claim
172 words
A volume regulating and mixing faucet as defined in claim 4, one of said radial passageways of all of said pairs of radial passageways arranged in a common transverse first plane, the other of said radial passageways of all of said pairs of radial passageways arranged in a common transverse second plane axially spaced from said first plane, and said radial passageways of all of said pairs of radial passageways in each of said first and second planes being of a size relative to said inlets to avoid any fluid connection of one of said pairs of radial passageways to both of said inlets in any rotated position of said cartridge in said bore and in any axial position of said cartridge relative to said bore and to provide for fluid connection of at least one of said radial passageways in each of said first and second planes to each of said inlets in any rotated position of said cartridge in said bore when said first and second planes include said inlets.
Claim 11
Dependent Claim
21 words
A volume regulating and mixing faucet as defined in claim 7, wherein said pairs of radial passageways are three in number.
Claim 12
Dependent Claim
100 words
A volume regulating and mixing faucet as defined in claim 2, said second means in said cartridge including passageway means extending between said internal chamber and the outer surface of said cartridge for directing water from said internal chamber to said outlet in any rotated position of said cartridge relative to said bore, a valve seat in said passageway means, a valve sealing member mounted on said stem and cooperating with said valve seat to vary the amount of water passing from said internal chamber to said outlet responsive to said certain rotations of said stem relative to said cartridge.
Claim 13
Dependent Claim
105 words
A volume regulating and mixing faucet as defined in claim 9, wherein said valve seat comprises a substantially annular resilient member, said valve sealing member comprising a substantially frusto-conical elastic member the outer surface of which is arranged to concentrically cooperate with the inner periphery of said annular resilient member to vary the amount of water passing through said annular resilient member dependent upon the spacing between said frusto-conical outer surface and said annular resilient member, and means for axially moving said valve sealing member responsive to rotation of said stem to vary the spacing between said frusto-conical outer surface and said annular resilient member.
Claim 14
Dependent Claim
127 words
A volume regulating and mixing faucet as defined in claim 9, wherein said valve seat comprises an annular rigid member the inner periphery of which is shaped to define a substantially frusto-conical surface, said valve sealing member comprising an elastic member having a substantially frusto-conical outer surface and carried on said stem concentrically within said valve seat to vary the amount of water passing through said valve seat dependent upon the spacing between said frusto-conical outer surface of said valve sealing member and said inner periphery of said valve seat, and means for axially moving said valve sealing member responsive to rotation of said stem to vary the spacing between said frusto-conical outer surface of said valve sealing member and said inner periphery of said valve seat.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |