US3225606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counter-rotation bearing race drive mechanism for gyros
Assignee: General Precision Inc
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Filing: 1961-01-16
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Granted: 1965-12-28
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Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 John C Stiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:56
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
254 words
IN A GYROSCOPE, OPPOSITELY DISPOSED CO-AXIALLY ALIGNED SHAFT BEARINGS, EACH COMPRISING AN INNER RACE, AN OUTER RACE AND BALLS THEREBETWEEN, RESPECTIVE EXTENSIONS ON EACH OF SAID OUTER RACE INCLUDING RESPECTIVE EXTENSIONS SHAFTS, A GEAR FIXED TO EACH OF SAID EXTENSION SHAFTS, A COUNTER SHAFT, MEANS DRIVINGLY CONNECTING SAID COUNTER SHAFT WITH EACH SAID EXTENSION SAHFT GEAR, AND MEANS FOR ROTATABLY DRIVING SAID COUNTER SHAFT, THE DRIVING MEANS COMPRISING A REVERSIBLE ELECTRIC MOTOR DRIVINGLY COUPLED TO SAID COUNTER-SHAFT, A REVERSING SWITCH FOR SAID MOTOR, MEANS FOR ACTUATING SAID SWITCH AFTER PREDETERMINED ROTATION OF ONE OF SAID EXTENSION SHAFTS IN EACH DIRECTION THEREOF, TO EFFECT REVERSAL OF THE DIRECTION OF ROTATION OF THE MOTOR AND THE SAID OUTER RACES OF THE BEARINGS, THE ACTUATING MECHANISM FOR SAID SWITCH INCLUDING A HEADED ROD SUPPORTED BY THE SWITCH, AND A SECTOR FIXEDLY COUPLED TO SAID ONE EXTENSION SHAFT FOR CONJOINT ANGULAR MOVEMENT COAXIALLY THEREWITH, SAID SECTOR HAVING A PAIR OF PINS FIXEDLY ATTACHED THERETO, AND PROJECTING THEREFROM IN SUBSTANTIAL PARALLELISM WITH THE AXIS OF ROTATION OF SAID ONE EXTENSION SHAFT, EACH OF SAID PINS BEING ADAPTED INDIVIDUALLY TO ENGAGE SAID HEADED ROD, ONE OF SAID PINS BEING ADAPTED TO MOVE THE HEADED ROD IN A DIRECTION TO CAUSE THE SWITCH TO REVERSE THE DIRECTION OF ROTATION OF THE MOTOR, THE SECOND PIN BEING ADAPTED TO ENGAGE THE SURFACE OF THE HEAD OF THE HEADED ROD THEREBY TO MOVE THE ROD IN THE OPPOSITE DIRECTION AND CAUSE THE SWITCH TO RESTORE THE MOTOR TO ITS ORIGINAL DIRECTION OF ROTATION.
Claim 2
Dependent Claim
254 words
IN A GYROSCOPE, OPPOSITELY DISPOSED CO-AXIALLY ALIGNED SHAFT BEARINGS, EACH COMPRISING AN INNER RACE, AN OUTER RACE AND BALLS THEREBETWEEN, RESPECTIVE EXTENSIONS ON EACH OF SAID OUTER RACE INCLUDING RESPECTIVE EXTENSIONS SHAFTS, A GEAR FIXED TO EACH OF SAID EXTENSION SHAFTS, A COUNTER SHAFT, MEANS DRIVINGLY CONNECTING SAID COUNTER SHAFT WITH EACH SAID EXTENSION SAHFT GEAR, AND MEANS FOR ROTATABLY DRIVING SAID COUNTER SHAFT, THE DRIVING MEANS COMPRISING A REVERSIBLE ELECTRIC MOTOR DRIVINGLY COUPLED TO SAID COUNTER-SHAFT, A REVERSING SWITCH FOR SAID MOTOR, MEANS FOR ACTUATING SAID SWITCH AFTER PREDETERMINED ROTATION OF ONE OF SAID EXTENSION SHAFTS IN EACH DIRECTION THEREOF, TO EFFECT REVERSAL OF THE DIRECTION OF ROTATION OF THE MOTOR AND THE SAID OUTER RACES OF THE BEARINGS, THE ACTUATING MECHANISM FOR SAID SWITCH INCLUDING A HEADED ROD SUPPORTED BY THE SWITCH, AND A SECTOR FIXEDLY COUPLED TO SAID ONE EXTENSION SHAFT FOR CONJOINT ANGULAR MOVEMENT COAXIALLY THEREWITH, SAID SECTOR HAVING A PAIR OF PINS FIXEDLY ATTACHED THERETO, AND PROJECTING THEREFROM IN SUBSTANTIAL PARALLELISM WITH THE AXIS OF ROTATION OF SAID ONE EXTENSION SHAFT, EACH OF SAID PINS BEING ADAPTED INDIVIDUALLY TO ENGAGE SAID HEADED ROD, ONE OF SAID PINS BEING ADAPTED TO MOVE THE HEADED ROD IN A DIRECTION TO CAUSE THE SWITCH TO REVERSE THE DIRECTION OF ROTATION OF THE MOTOR, THE SECOND PIN BEING ADAPTED TO ENGAGE THE SURFACE OF THE HEAD OF THE HEADED ROD THEREBY TO MOVE THE ROD IN THE OPPOSITE DIRECTION AND CAUSE THE SWITCH TO RESTORE THE MOTOR TO ITS ORIGINAL DIRECTION OF ROTATION.
References Cited (Backward Citations)
US2970480A
Cited
US2969680A
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 |