Patent US3614898A successfully refreshed from Google Patents.
US3614898A
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US
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Positioning mechanism
Assignee: National Aeronautics and Space Administration
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Filing: 1969-08-07
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Granted: 1971-10-26
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Expires: 1989-08-07
Abstract
Abstract THE DISCLOSURE DESCRIBES A POSITIONING MECHANISM FOR CONVERTING TRANSLATORY MOTION INTO ROTARY MOTION, AND IS ESPECIALLY ADAPTED FOR PRECISION INSTRUMENTATION. THE MECHANISM INCLUDES A LEAD SCREW HAVING A CARRIAGE THREADEDLY MOUNTED THEREON AND A SECTOR PIVOTALLY MOUNTED ABOUT A FIXED AXIS NORMAL TO THAT OF THE LEAD SCREW AND CONNECTED TO THE CARRIAGE BY MEANS OF A PAIR OF FLEXIBLE BANDS. THE SECTOR IS ALSO PROVIDED WITH ADJUSTMENT MEANS FOR MAINTAINING EACH OF THE BANDS IN A TAUT CONDITION BETWEEN THE CARRIAGE AND THE SECTOR. UPON TRANSLATORY MOVEMENT OF THE CARRIAGE BY ROTATION OF THE LEAD SCREW, THE SECTOR IS DRAWN ABOUT ITS PIVOT BY THE CARRIAGE VIA THE BANDS.
Inventors
- 👤 Kenneth G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:06
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H19/00; F16H19/02; F16H19/06; F16H2025/2043; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18832; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |