US3100989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing preload tester
Assignee: Northrop Grumman Corp
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Filing: 1960-07-19
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Granted: 1963-08-20
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Expires: 1980-07-19
Abstract
No abstract record available.
Inventors
- 👤 William A Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:17
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/14; G01B7/144; G01M; G01M13/00; G01M13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A TESTING DEVICE ADAPTED FOR DETERMINING THE AXIAL PRELOAD OF BEARING ASSEMBLIES OF THE KIND COMPRISING A SHAFT MEMBER ROTATABLY MOUNTED IN BEARINGS SUPPORTED BY A HOUSING MEMBER, SAID TESTING DEVICE COMPRISING, IN COMBINATION; MEANS FOR SUPPORTING THE BEARING ASSEMBLY, MEANS FOR APPLYING AN AXIAL DISPLACING LOAD TO A FIRST MEMBER OF THE BEARING ASSEMBLY, MEANS INCLUDING A LINEAR MOTION TRANSDUCER HAVING A MOVABLE ELEMENT FOR MEASURING THE RELATIVE AXIAL DISPLACEMENT OF THE MEMBERS OF THE BEARING ASSEMBLY, AND ELONGATED CONNECTING MEANS EXTENDING ALONG THE AXIS OF SAID FIRST MEMBER FOR TRANSMITTING THE AXIAL DISPLACEMENT OF THE BEARING ASSEMBLY TO SAID TRANSDUCER, SAID CONNECTING MEANS INCLUDING AT LEAST ONE TRANSVERSELY FLEXIBLE PORTION OF RELATIVELY SHORT LENGTH AND BEING RELATIVELY STIFF OVER THE REMAINING LENGTH THEREOF, SAID CONNECTING MEANS BEING SECURED TO SAID MOVABLE ELEMENT AT ONE END THEREOF AND ADAPTED FOR CONNECTION TO SAID FIRST MEMBER OF THE BEARING ASSEMBLY AT THE OTHER END THEREOF.
Claim 2
Dependent Claim
155 words
A TESTING DEVICE ADAPTED FOR DETERMINING THE AXIAL PRELOAD OF BEARING ASSEMBLIES OF THE KIND COMPRISING A SHAFT MEMBER ROTATABLY MOUNTED IN BEARINGS SUPPORTED BY A HOUSING MEMBER, SAID TESTING DEVICE COMPRISING, IN COMBINATION; MEANS FOR SUPPORTING THE BEARING ASSEMBLY, MEANS FOR APPLYING AN AXIAL DISPLACING LOAD TO A FIRST MEMBER OF THE BEARING ASSEMBLY, MEANS INCLUDING A LINEAR MOTION TRANSDUCER HAVING A MOVABLE ELEMENT FOR MEASURING THE RELATIVE AXIAL DISPLACEMENT OF THE MEMBERS OF THE BEARING ASSEMBLY, AND ELONGATED CONNECTING MEANS EXTENDING ALONG THE AXIS OF SAID FIRST MEMBER FOR TRANSMITTING THE AXIAL DISPLACEMENT OF THE BEARING ASSEMBLY TO SAID TRANSDUCER, SAID CONNECTING MEANS INCLUDING AT LEAST ONE TRANSVERSELY FLEXIBLE PORTION OF RELATIVELY SHORT LENGTH AND BEING RELATIVELY STIFF OVER THE REMAINING LENGTH THEREOF, SAID CONNECTING MEANS BEING SECURED TO SAID MOVABLE ELEMENT AT ONE END THEREOF AND ADAPTED FOR CONNECTION TO SAID FIRST MEMBER OF THE BEARING ASSEMBLY AT THE OTHER END THEREOF.
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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |