US4398310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washstand device
Assignee: Maschinenfabrik Ad Schulthess and Co AG
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Filing: 1980-02-27
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Granted: 1983-08-16
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Expires: 2000-02-27
Abstract
Abstract A sanitary handwashing apparatus includes a housing having walls defining a chamber and having a front opening through which the hands of a user can be inserted into the chamber; a washbasin located in the housing and including a drain at the bottom for removing used water; a hot-air dryer located in an upper wall of the housing above the washbasin for supplying hot-air into the chamber; a water supply nozzle located in the upper wall of the housing above the washbasin for supplying water into the chamber; a soap dispenser located in the housing above the washbasin for supplying soap into the chamber; and a discharge opening in the back wall of the housing which defines the chamber for discharging hot-air supplied to the chamber by the hot-air dryer and for supplying the discharged air to the hot-air dryer.
Inventors
- 👤 Rolf Lienhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:44
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; A; A47; A47K; A47K10/00; A47K10/48; A47K5/00; A47K5/06; A47K5/12; A47K2005/1218; A47K2210/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
161 words
Handwashing apparatus comprising: a housing having walls defining a chamber and having a front opening through which at least one hand can be inserted into the chamber; a washbasin located in said housing and including discharge means for removing used water; hot-air dryer means located in said housing for supplying hot-air into said chamber; water supply means located in said housing above said washbasin for supplying water into said chamber; soap dispensing means located in said housing above said washbasin for supplying soap into said chamber; a discharge opening in at least one wall of said housing which defines said chamber for discharging hot air supplied to said chamber by said hot-air dryer means and for supplying said discharged air to said hot-air dryer means; and control means for automatically controlling operation of said water supply means, said soap dispensing means and said hot-air dryer means when said at least one hand is inserted through said front opening into said chamber.
Claim 2
Dependent Claim
161 words
Handwashing apparatus comprising: a housing having walls defining a chamber and having a front opening through which at least one hand can be inserted into the chamber; a washbasin located in said housing and including discharge means for removing used water; hot-air dryer means located in said housing for supplying hot-air into said chamber; water supply means located in said housing above said washbasin for supplying water into said chamber; soap dispensing means located in said housing above said washbasin for supplying soap into said chamber; a discharge opening in at least one wall of said housing which defines said chamber for discharging hot air supplied to said chamber by said hot-air dryer means and for supplying said discharged air to said hot-air dryer means; and control means for automatically controlling operation of said water supply means, said soap dispensing means and said hot-air dryer means when said at least one hand is inserted through said front opening into said chamber.
Claim 3
Dependent Claim
35 words
Handwashing apparatus according to claim 1; in which said housing includes side walls and a front wall which define said chamber and which force said hot air supplied to said chamber through said discharge opening.
Claim 4
Dependent Claim
180 words
Handwashing apparatus comprising: a housing having walls defining a chamber and having a front opening through which at least one hand can be inserted into the chamber; a washbasin located in said housing and including discharge means for removing used water; hot-air dryer means located in said housing for supplying hot-air into said chamber; water supply means located in said housing above said washbasin for supplying water into said chamber; soap dispensing means located in said housing above said washbasin for supplying soap into said chamber; a discharge opening in at least one wall of said housing which defines said chamber for discharging hot air supplied to said chamber by said hot-air dryer means and for supplying said discharged air to said hot-air dryer means; said housing further including conduit means extending between said discharge opening and said hot-air dryer means for supplying said hot air discharged through said discharge opening to said hot-air dryer means for reuse; and said apparatus further includes filter means for at least one of disinfecting and cleaning said hot-air supplied by said conduit means.
Claim 5
Dependent Claim
180 words
Handwashing apparatus comprising: a housing having walls defining a chamber and having a front opening through which at least one hand can be inserted into the chamber; a washbasin located in said housing and including discharge means for removing used water; hot-air dryer means located in said housing for supplying hot-air into said chamber; water supply means located in said housing above said washbasin for supplying water into said chamber; soap dispensing means located in said housing above said washbasin for supplying soap into said chamber; a discharge opening in at least one wall of said housing which defines said chamber for discharging hot air supplied to said chamber by said hot-air dryer means and for supplying said discharged air to said hot-air dryer means; said housing further including conduit means extending between said discharge opening and said hot-air dryer means for supplying said hot air discharged through said discharge opening to said hot-air dryer means for reuse; and said apparatus further includes filter means for at least one of disinfecting and cleaning said hot-air supplied by said conduit means.
Claim 6
Dependent Claim
89 words
Handwashing apparatus according to claim 1; in which said housing includes an upper wall defining the chamber and having at least one aperture therein, and said water supply means includes a water supply nozzle for supplying water through said at least one aperture into said chamber, said soap dispensing means includes a soap supply nozzle for supplying soap through said at least one aperture into said chamber, and said hot-air dryer means includes an air vent for supplying hot air through said at least one aperture into said chamber.
Claim 7
Dependent Claim
102 words
Handwashing apparatus according to claim 1; in which said control means, when said at least one hand is inserted through said front opening into said chamber, automatically controls said water supply means to first supply water into said chamber for wetting said at least one hand, said soap dispensing means to next supply soap into said chamber for washing said at least one hand, said water supply means to next supply water into said chamber for rinsing said at least one hand, and said hot-air drying means to next supply hot air into said chamber for drying said at least one hand.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-15 | 1987-02-14 | 1987-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-15 | 1991-02-14 | 1991-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-15 | 1995-02-14 | 1995-08-16 | $7700.00 | Window Closed / Lapsed |