US3306399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration absorber
Assignee: Kaman Aircraft Corp
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Filing: 1964-11-18
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Granted: 1967-02-28
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Expires: 1984-11-18
Abstract
No abstract record available.
Inventors
- 👤 William G Flannelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:27
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/10; F16F15/00; F16F15/10; F16F15/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
226 words
IN A VIBRATION ABSORBER FOR USE IN REDUCING VIBRATIONS OF A BODY OCCURRING IN A GIVEN PLANE, THE COMBINATION COMPRISING A FIRST MASS SYSTEM HAVING ITS MASS ARRANGED GENERALLY SYMMETRICALLY ABOUT A FIRST AXIS OF SYMMETRY, MEANS FOR SUPPORTING SAID FIRST MASS SYSTEM FOR ROTATION ABOUT A FIRST AXIS FIXED RELATIVE TO SAID BODY PERPENDICULAR TO SAID GIVEN PLANE AND ALSO FOR ROTATION ABOUT A SECOND AXIS NORMAL TO SAID FIRST AXIS AND FIXED RELATIVE TO SAID FIRST MASS SYSTEM, SAID FIRST MASS SYSTEM HAVING A MOMENT OF INERTIA ABOUT SAID FIRST AXIS OF SYMMETRY WHICH IS EQUAL TO OR GREATER THAN ITS MOMENT OF INERTIA ABOUT AN AXIS NORMAL TO SAID FIRST AXIS OF SYMMETRY AND SAID SECOND AXIS, A SECOND MASS SYSTEM HAVING ITS MASS ARRANGED GENERALLY SYMMETRICALLY ABOUT A SECOND AXIS OF SYMMETRY, MEANS FOR SUPPORTING SAID SECOND MASS SYSTEM FOR ROTATION ABOUT SAID FIRST AXIS AND ALSO FOR ROTATION ABOUT A THIRD AXIS NORMAL TO BOTH SAID FIRST AND SECOND AXES AND FIXED RELATIVE TO SAID SECOND MASS SYSTEM, SAID SECOND MASS SYSTEM HAVING A MOMENT OF INERTIA ABOUT SAID AXIS OF SYMMETRY WHICH IS EQUAL TO OR GREATER THAN ITS MOMENT OF INERTIA ABOUT AN AXIS NORMAL TO SAID SECOND AXIS OF SYMMETRY AND SAID THIRD AXIS, AND MEANS FOR ROTATING SAID TWO MASS SYSTEMS IN UNISON ABOUT SAID FIRST AXIS.
Claim 2
Dependent Claim
226 words
IN A VIBRATION ABSORBER FOR USE IN REDUCING VIBRATIONS OF A BODY OCCURRING IN A GIVEN PLANE, THE COMBINATION COMPRISING A FIRST MASS SYSTEM HAVING ITS MASS ARRANGED GENERALLY SYMMETRICALLY ABOUT A FIRST AXIS OF SYMMETRY, MEANS FOR SUPPORTING SAID FIRST MASS SYSTEM FOR ROTATION ABOUT A FIRST AXIS FIXED RELATIVE TO SAID BODY PERPENDICULAR TO SAID GIVEN PLANE AND ALSO FOR ROTATION ABOUT A SECOND AXIS NORMAL TO SAID FIRST AXIS AND FIXED RELATIVE TO SAID FIRST MASS SYSTEM, SAID FIRST MASS SYSTEM HAVING A MOMENT OF INERTIA ABOUT SAID FIRST AXIS OF SYMMETRY WHICH IS EQUAL TO OR GREATER THAN ITS MOMENT OF INERTIA ABOUT AN AXIS NORMAL TO SAID FIRST AXIS OF SYMMETRY AND SAID SECOND AXIS, A SECOND MASS SYSTEM HAVING ITS MASS ARRANGED GENERALLY SYMMETRICALLY ABOUT A SECOND AXIS OF SYMMETRY, MEANS FOR SUPPORTING SAID SECOND MASS SYSTEM FOR ROTATION ABOUT SAID FIRST AXIS AND ALSO FOR ROTATION ABOUT A THIRD AXIS NORMAL TO BOTH SAID FIRST AND SECOND AXES AND FIXED RELATIVE TO SAID SECOND MASS SYSTEM, SAID SECOND MASS SYSTEM HAVING A MOMENT OF INERTIA ABOUT SAID AXIS OF SYMMETRY WHICH IS EQUAL TO OR GREATER THAN ITS MOMENT OF INERTIA ABOUT AN AXIS NORMAL TO SAID SECOND AXIS OF SYMMETRY AND SAID THIRD AXIS, AND MEANS FOR ROTATING SAID TWO MASS SYSTEMS IN UNISON ABOUT SAID FIRST AXIS.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |