US3156076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of high accuracy through bore synchro
Assignee: General Precision Inc
•
Filing: 1960-04-26
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Granted: 1964-11-10
•
Expires: 1980-04-26
Abstract
No abstract record available.
Inventors
- 👤 Origoni Silvie Michael
- 👤 Charles W Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:17
CPC Classifications
H; H02; H02K; H02K24/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A METHOD OF FABRICATING A HIGH-PRECISION DYNAMOELECTRIC DEVICE IN WHICH A CYLINDRICAL ROTOR MEMBER HAVING A COXIAL SHAFT EXTENSION AT EACH END IS MOUNTED FOR COAXIAL ROTATION IN A HOLLOW CYLINDRICAL HOUSING AND STATOR ASSEMBLY BY MEANS OF RESPECTIVE BALL BEARING SETS JOURNALING THE SHAFT EXTENSIONS IN THE HOUSING, SAID METHOD COMPRISING: PRECISION GRINDING THE STATOR ASSEMBLY TO PRODUCE A CYLINDRICAL INNER SURFACE THEREON WHILE SIMULTANEOUSLY GRINDING JOURNALS IN THE HOUSING FOR THE OUTER RACES OF THE BALL BEARING SETS, SAID JOURNALS CONSISTING OF RESPECTIVE CYLINDRICAL SURFACES COAXIALLY DISPOSED ADJACENT EACH END OF THE HOUSING AND STATOR ASSEMBLY; PRECISION GRINDING THE ROTOR MEMBER TO PRODUCE, IN A SINGLE SETTING AND OPERATION, A CYLINDRICAL OUTER SURFACE THEREON COMPLEMENTARY TO SAID STATOR ASSEMBLY CYLINDRICAL INNER SURFACE AND, ON EACH OF THE SHAFT EXTENSIONS, RESPECTIVE GROUND AND POLISHED, COAXIAL, INNER BALL-RACES FOR THE BALL BEARING SETS, LOCATED COMPLEMENTARY TO THE OUTER RACE JOURNALS GROUND ON THE HOUSING AND STATOR ASSEMBLY; AND LINE LAP FITTING A BALL BEARING OUTER RACE MEMBER INTO EACH OF SAID OUTER RACE JOURNALS.
Claim 2
Independent Claim
174 words
A METHOD OF FABRICATING A HIGH-PRECISION DYNAMOELECTRIC DEVICE IN WHICH A CYLINDRICAL ROTOR MEMBER HAVING A COXIAL SHAFT EXTENSION AT EACH END IS MOUNTED FOR COAXIAL ROTATION IN A HOLLOW CYLINDRICAL HOUSING AND STATOR ASSEMBLY BY MEANS OF RESPECTIVE BALL BEARING SETS JOURNALING THE SHAFT EXTENSIONS IN THE HOUSING, SAID METHOD COMPRISING: PRECISION GRINDING THE STATOR ASSEMBLY TO PRODUCE A CYLINDRICAL INNER SURFACE THEREON WHILE SIMULTANEOUSLY GRINDING JOURNALS IN THE HOUSING FOR THE OUTER RACES OF THE BALL BEARING SETS, SAID JOURNALS CONSISTING OF RESPECTIVE CYLINDRICAL SURFACES COAXIALLY DISPOSED ADJACENT EACH END OF THE HOUSING AND STATOR ASSEMBLY; PRECISION GRINDING THE ROTOR MEMBER TO PRODUCE, IN A SINGLE SETTING AND OPERATION, A CYLINDRICAL OUTER SURFACE THEREON COMPLEMENTARY TO SAID STATOR ASSEMBLY CYLINDRICAL INNER SURFACE AND, ON EACH OF THE SHAFT EXTENSIONS, RESPECTIVE GROUND AND POLISHED, COAXIAL, INNER BALL-RACES FOR THE BALL BEARING SETS, LOCATED COMPLEMENTARY TO THE OUTER RACE JOURNALS GROUND ON THE HOUSING AND STATOR ASSEMBLY; AND LINE LAP FITTING A BALL BEARING OUTER RACE MEMBER INTO EACH OF SAID OUTER RACE JOURNALS.
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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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |