US4021199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic cleaning apparatus for electrodes of pH meter
Assignee: Mitsui Kinzoku Co Ltd
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Filing: 1975-07-07
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Granted: 1977-05-03
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Expires: 1995-07-07
Abstract
Abstract An apparatus for automatically cleaning the electrodes of a pH meter comprising a measuring tank containing a sample solution supplied from a tank of purification section to be subject to measurement of the pH value, a cleaning tank juxtaposed with the measuring tank and having therein a cleaning brush mounted on a rotary shaft, means for supporting the electrodes of the pH meter for vertical movement, and means for supporting the electrodes supporting means for horizontal swinging movement, whereby the electrodes of the pH meter can be moved between the pH value measuring position in the measuring tank and the position engaged by the cleaning brush in the cleaning tank.
Inventors
- 👤 Satoshi Mukae
- 👤 Kiyosi Yokokawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:24
CPC Classifications
G; G01; G01G; G01G11/00; G01G11/04; B; B01; B01J; B01J19/00; B01J19/0006; C; C01; C01G; C01G9/00; C01G9/003; C01G9/06; C22; C22B; C22B19/00; C22B19/20; C22B19/26; C22B3/00; C22B3/02; C25; C25C; C25C1/00; C25C1/16; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
An apparatus for automatically cleaning the electrodes of a pH meter comprising a measuring tank containing a sample solution supplied from a solution to be measured, a cleaning tank disposed adjacent to said measuring tank and having therein a cleaning brush mounted on a rotary shaft for rotation therewith, said cleaning brush being in contact with said electrodes, means for supporting said electrodes of said pH meter for vertical movement, and means for supporting said electrode supporting means for horizontal swinging movement, whereby said electrodes of said pH meter are movable between the pH measuring position in said measuring tank and the cleaning position in said cleaning tank.
Claim 2
Independent Claim
108 words
An apparatus for automatically cleaning the electrodes of a pH meter comprising a measuring tank containing a sample solution supplied from a solution to be measured, a cleaning tank disposed adjacent to said measuring tank and having therein a cleaning brush mounted on a rotary shaft for rotation therewith, said cleaning brush being in contact with said electrodes, means for supporting said electrodes of said pH meter for vertical movement, and means for supporting said electrode supporting means for horizontal swinging movement, whereby said electrodes of said pH meter are movable between the pH measuring position in said measuring tank and the cleaning position in said cleaning tank.
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) | 1980-05-02 | 1980-11-01 | 1981-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-02 | 1984-11-01 | 1985-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-02 | 1988-11-01 | 1989-05-03 | $7700.00 | Window Closed / Lapsed |