Patent US3214538A successfully refreshed from Google Patents.
US3214538A
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Thermostatic control device having improved calibration means
Assignee: Robertshaw Controls Co
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Filing: 1964-12-02
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Granted: 1965-10-26
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Hugh J Tyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:10
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2628; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18672; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20762; Y10T74/20834; Y10T74/2084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A THERMOSTATIC CONTROL DEVICE, THE COMBINATION OF A CASING HAVING A PORTION PROVIDING A THREADED BORE IN ONE WALL THEREOF, AN ADJUSTING MEMBER HAVING AN EXTERNAL THREADED PORTION COOPERABLE WITH SAID BORE, SAID MEMBER HAVING AN AXIAL BORE ONE PORTION OF WHICH IS THREADED, SAID ADJUSTING MEMBER HAVING A SHAFT ATTACHING MEANS, TEMPERATURE RESPONSIVE MEANS INCLUDING A STEM MOUNTED FOR RECIPROCATION IN SAID HOUSING, A CALIBRATION SCREW MOVABLE IN SAID ONE PORTION OF SAID AXIAL BORE AND OPERABLY ENGAGEABLE WITH SAID STEM, AND TEMPERATURE ADJUSTING MEANS INCLUDING A SHAFT MEMBER SECURED TO SAID SHAFT ATTACHING MEANS FOR SAID ADJUSTING MEMBER, SAID SHAFT MEMBER BEING OF A PRESELECTED LENGTH AND THEREBY BEING ADAPTED TO SUPPORT A TEMPERATURE SELECTING HANDLE IN A PREDETERMINED POSITION SPACED FROM SAID CASING WALL, SAID SHAFT MEMBER HAVING A C-SHAPED CROSS-SECTIONAL CONFIGURATION TO PERMIT ACCESS TO SAID CALIBRATION SCREW.
Claim 2
Dependent Claim
143 words
IN A THERMOSTATIC CONTROL DEVICE, THE COMBINATION OF A CASING HAVING A PORTION PROVIDING A THREADED BORE IN ONE WALL THEREOF, AN ADJUSTING MEMBER HAVING AN EXTERNAL THREADED PORTION COOPERABLE WITH SAID BORE, SAID MEMBER HAVING AN AXIAL BORE ONE PORTION OF WHICH IS THREADED, SAID ADJUSTING MEMBER HAVING A SHAFT ATTACHING MEANS, TEMPERATURE RESPONSIVE MEANS INCLUDING A STEM MOUNTED FOR RECIPROCATION IN SAID HOUSING, A CALIBRATION SCREW MOVABLE IN SAID ONE PORTION OF SAID AXIAL BORE AND OPERABLY ENGAGEABLE WITH SAID STEM, AND TEMPERATURE ADJUSTING MEANS INCLUDING A SHAFT MEMBER SECURED TO SAID SHAFT ATTACHING MEANS FOR SAID ADJUSTING MEMBER, SAID SHAFT MEMBER BEING OF A PRESELECTED LENGTH AND THEREBY BEING ADAPTED TO SUPPORT A TEMPERATURE SELECTING HANDLE IN A PREDETERMINED POSITION SPACED FROM SAID CASING WALL, SAID SHAFT MEMBER HAVING A C-SHAPED CROSS-SECTIONAL CONFIGURATION TO PERMIT ACCESS TO SAID CALIBRATION SCREW.
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |