US3122838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating device and zero adjustment therefor
Assignee: Pratt and Whitney Co Inc
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Filing: 1961-07-06
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Granted: 1964-03-03
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Expires: 1981-07-06
Abstract
No abstract record available.
Inventors
- 👤 Uhlig Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:08
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/22; G01B3/002; G01B3/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN INDICATING DEVICE FOR CHECKING THE DIMENSIONS ON A WORKPIECE COMPRISING A BODY, A CONTACT LEVER, A PLURALITY OF REEDS ATTACHED BETWEEN SAID CONTACT LEVER AND SAID BODY TO DEFECTABLY MOUNT SAID CONTACT LEVER TO SAID BODY, A VARIABLE TRANSFORMER HAVING A CORE AND A COIL, SAID CORE BEING MOUNTED ON SAID CONTACT LEVER, SAID COIL BEING SLIDABLE, A FLEXIBLE ARM ATTACHED TO SAID BODY AND CARRYING SAID COIL, AND CAM-ZEROING MEANS MOUNTED IN SAID BODY AND ACTING ON SAID FLEXIBLE ARM TO VARY THE POSITION OF SAID COIL WITHOUT AFFECTING THE POSITION OF SAID CORE FOR ADJUSTING SAID VARIABLE TRANSFORMER TO BALANCE THE INDUCED VOLTAGES IN SAID VARIABLE TRANSFORMER WHEN SAID CONTACT LEVER IS AT A KNOWN POSITION.
Claim 2
Dependent Claim
119 words
AN INDICATING DEVICE FOR CHECKING THE DIMENSIONS ON A WORKPIECE COMPRISING A BODY, A CONTACT LEVER, A PLURALITY OF REEDS ATTACHED BETWEEN SAID CONTACT LEVER AND SAID BODY TO DEFECTABLY MOUNT SAID CONTACT LEVER TO SAID BODY, A VARIABLE TRANSFORMER HAVING A CORE AND A COIL, SAID CORE BEING MOUNTED ON SAID CONTACT LEVER, SAID COIL BEING SLIDABLE, A FLEXIBLE ARM ATTACHED TO SAID BODY AND CARRYING SAID COIL, AND CAM-ZEROING MEANS MOUNTED IN SAID BODY AND ACTING ON SAID FLEXIBLE ARM TO VARY THE POSITION OF SAID COIL WITHOUT AFFECTING THE POSITION OF SAID CORE FOR ADJUSTING SAID VARIABLE TRANSFORMER TO BALANCE THE INDUCED VOLTAGES IN SAID VARIABLE TRANSFORMER WHEN SAID CONTACT LEVER IS AT A KNOWN POSITION.
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |