US3413858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexure pivot
Assignee: General Precision Systems Inc
•
Filing: 1964-08-27
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Granted: 1968-12-03
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Samet Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:45
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/03; G01P15/032; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A FLEXIBLE PIVOT COMPRISING: A PAIR OF MOUNTING MEMBERS; AND MEANS INTERCONNECTING SAID MOUNTING MEMBERS, INCLUDING A PAIR OF CRISS-CROSSED FLEXURE ELEMENTS AND A COMPENSATING SPRING MEANS FOR RELATIVE ANGULAR DISPLACEMENT OF SAID MOUNTING MEMBERS ABOUT A COMMON PIVOT AXIS; SAID MOUNTING MEMBERS HAVING RESPECTIVE BASE PORTIONS DISPOSED ON RADIALLY OPPOSITE SIDES OF THE PIVOT AXIS; SAID FLEXURE ELEMENTS HAVING RADIALLY OPPOSITE END PORTIONS FIXEDLY CONNECTED TO SAID BASE PORTIONS; SAID MOUNTING MEMBERS HAVING RESPECTIVE ARM PORTIONS FIXEDLY CONNECTING TO THEIR RESPECTIVE BASE PORTIONS AND EXTENDING TO THE OPPOSITE SIDE OF THE PIVOT AXIS FROM THEIR RESPECTIVE BASE PORTIONS; AND SAID COMPENSATING SPRING MEANS HAVING END PORTIONS RESPECTIVELY CONNECTING TO SAID ARM PORTIONS FOR PRELOADING THE FLEXURE ELEMENTS IN TENSION AND FOR COUNTER BALANCING THE NULL-SEEKING RESTRAINING MOMENTS OF THE FLEXURE ELEMENTS.
Claim 2
Dependent Claim
132 words
A FLEXIBLE PIVOT COMPRISING: A PAIR OF MOUNTING MEMBERS; AND MEANS INTERCONNECTING SAID MOUNTING MEMBERS, INCLUDING A PAIR OF CRISS-CROSSED FLEXURE ELEMENTS AND A COMPENSATING SPRING MEANS FOR RELATIVE ANGULAR DISPLACEMENT OF SAID MOUNTING MEMBERS ABOUT A COMMON PIVOT AXIS; SAID MOUNTING MEMBERS HAVING RESPECTIVE BASE PORTIONS DISPOSED ON RADIALLY OPPOSITE SIDES OF THE PIVOT AXIS; SAID FLEXURE ELEMENTS HAVING RADIALLY OPPOSITE END PORTIONS FIXEDLY CONNECTED TO SAID BASE PORTIONS; SAID MOUNTING MEMBERS HAVING RESPECTIVE ARM PORTIONS FIXEDLY CONNECTING TO THEIR RESPECTIVE BASE PORTIONS AND EXTENDING TO THE OPPOSITE SIDE OF THE PIVOT AXIS FROM THEIR RESPECTIVE BASE PORTIONS; AND SAID COMPENSATING SPRING MEANS HAVING END PORTIONS RESPECTIVELY CONNECTING TO SAID ARM PORTIONS FOR PRELOADING THE FLEXURE ELEMENTS IN TENSION AND FOR COUNTER BALANCING THE NULL-SEEKING RESTRAINING MOMENTS OF THE FLEXURE ELEMENTS.
References Cited (Backward Citations)
US2517612A
Cited
US2606447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |