US3176523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two axis rate gyro
Assignee: Individual
•
Filing: 1962-11-08
•
Granted: 1965-04-06
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Expires: 1982-11-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas S Amlie
- 👤 Earl J Donaldson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:55
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/42; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1261; Y10T74/1275; Y10T74/1293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A TWO AXIS ROTE GYRO DEVICE COMPRISING: A ROTOR MASS HAVING A SPIN AXIS; AN ELONGATED FLEXURE SHAFT HAVING A GIVEN RESONANT FREQUENCY OF SUSPENSION FOR SUPPORTING SAID ROTOR MASS AT SAID SPIN AXIS; MEANS DEFINING A RAISED AND ELONGATED COUPLING SEGMENT FORMED ABOUT THE CENTRAL PORTION OF SAID FLEXURE SHAFT; A TUBULAR SPIN SHAFT FIXED TO SAID COUPLING SEGMENT IN A CONCENTRIC RELATIONSHIP THEREWITH; A PLURALITY OF MUTUALLY-SPACED BEARING MEANS FIXED ABOUT THE EXTERIOR SURFACE OF SAID TUBULAR SPIN SHAFT ADAPTED TO SUPPORT SAID ROTO MASS FOR GYROSCOPIC ROTATION RELATIVE TO SAID SEGMENT; AND SHAFT SUPPORT MEANS DISPOSED AT OPPOSITE ENDS OF THE FLEXURE SHAFT FOR SUPPORTING SAID FLEXURE SHAFT AT ITS OPPOSITE ENDS FOR THEREBY SUPPORTING SAID ROTOR MASS IN SUSPENSION THEREBETWEEN, WHEREBY ROTATION OF SAID ROTOR MASS ABOUT SAID SPIN AXIS MAY SERVO TO IMPART RIGIDITY TO SAID ROTOR MASS SO THAT ANGULAR RATE IMPOSED ON THE ROTOR MASS THROUGH THE FLEXURE SHAFT MAY CAUSE THE ROTOR MASS TO PRECESS AND DEFLECT SAID FLEXURE SHAFT IN A PREDETERMINED MANNER.
Claim 2
Dependent Claim
172 words
A TWO AXIS ROTE GYRO DEVICE COMPRISING: A ROTOR MASS HAVING A SPIN AXIS; AN ELONGATED FLEXURE SHAFT HAVING A GIVEN RESONANT FREQUENCY OF SUSPENSION FOR SUPPORTING SAID ROTOR MASS AT SAID SPIN AXIS; MEANS DEFINING A RAISED AND ELONGATED COUPLING SEGMENT FORMED ABOUT THE CENTRAL PORTION OF SAID FLEXURE SHAFT; A TUBULAR SPIN SHAFT FIXED TO SAID COUPLING SEGMENT IN A CONCENTRIC RELATIONSHIP THEREWITH; A PLURALITY OF MUTUALLY-SPACED BEARING MEANS FIXED ABOUT THE EXTERIOR SURFACE OF SAID TUBULAR SPIN SHAFT ADAPTED TO SUPPORT SAID ROTO MASS FOR GYROSCOPIC ROTATION RELATIVE TO SAID SEGMENT; AND SHAFT SUPPORT MEANS DISPOSED AT OPPOSITE ENDS OF THE FLEXURE SHAFT FOR SUPPORTING SAID FLEXURE SHAFT AT ITS OPPOSITE ENDS FOR THEREBY SUPPORTING SAID ROTOR MASS IN SUSPENSION THEREBETWEEN, WHEREBY ROTATION OF SAID ROTOR MASS ABOUT SAID SPIN AXIS MAY SERVO TO IMPART RIGIDITY TO SAID ROTOR MASS SO THAT ANGULAR RATE IMPOSED ON THE ROTOR MASS THROUGH THE FLEXURE SHAFT MAY CAUSE THE ROTOR MASS TO PRECESS AND DEFLECT SAID FLEXURE SHAFT IN A PREDETERMINED MANNER.
References Cited (Backward Citations)
US2852943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |