US3225587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing torque test instrument
Assignee: MINIATURE PRECISION BEARINGS Inc
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Filing: 1963-08-13
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Granted: 1965-12-28
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Expires: 1983-08-13
Abstract
No abstract record available.
Inventors
- 👤 Keith M Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:16
CPC Classifications
G; G01; G01M; G01M13/00; G01M13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A BEARING TORQUE TEST INSRUMENT FOR TESTING A BEARING HAVING INNER AND OUTER RACE MEMBERS AND ROLLING ELEMENT DISPOSED THEREBETWEEN COMPRISING A BASE HOUSING, A VERTICAL DRIVE SPINDLE ROTATABLY MOUNTED WITHIN SAID HOUSING AND ADAPTED TO MATE WITH THE INNER RACE MEMBER OF SAID TEST BEARING. GAS BEARING MEANS FOR AXIALLY AND RADIALLY SUPPORTING SAID DRIVE SPINDLE IN SAID HOUSING, A CYLINDRICAL ROTOR SLEEVE ADAPTED TO RECEIVE AND MATE WITH THE OUTER RACE OF SAID TEST BEARING, SAID SLEEVE HAVING AN INTERNAL CYLINDRICAL WALL SURFACE PROVIDED AS ONE SURFACE OF A GAS BEARING SUPPORT FOR SAID SLEEVE, A CYLINDRICAL SPINDLE MOUNTED ON SAID BASE HOUSING AND DEFINING A PLURALITY OF GAS JATS, SAID SPINDLE BEING
Claim 2
Dependent Claim
115 words
A BEARING TORQUE TEST INSRUMENT FOR TESTING A BEARING HAVING INNER AND OUTER RACE MEMBERS AND ROLLING ELEMENT DISPOSED THEREBETWEEN COMPRISING A BASE HOUSING, A VERTICAL DRIVE SPINDLE ROTATABLY MOUNTED WITHIN SAID HOUSING AND ADAPTED TO MATE WITH THE INNER RACE MEMBER OF SAID TEST BEARING. GAS BEARING MEANS FOR AXIALLY AND RADIALLY SUPPORTING SAID DRIVE SPINDLE IN SAID HOUSING, A CYLINDRICAL ROTOR SLEEVE ADAPTED TO RECEIVE AND MATE WITH THE OUTER RACE OF SAID TEST BEARING, SAID SLEEVE HAVING AN INTERNAL CYLINDRICAL WALL SURFACE PROVIDED AS ONE SURFACE OF A GAS BEARING SUPPORT FOR SAID SLEEVE, A CYLINDRICAL SPINDLE MOUNTED ON SAID BASE HOUSING AND DEFINING A PLURALITY OF GAS JATS, SAID SPINDLE BEING
References Cited (Backward Citations)
US3027749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |