Patent US3080770A successfully refreshed from Google Patents.
US3080770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw controlled relative positioning unit
Assignee: ACTON LAB Inc
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Filing: 1961-04-18
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Granted: 1963-03-12
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Expires: 1981-04-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Frissora
- 👤 James L King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:05
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A PRECISION SCREW-OPERATED POSITIONING UNIT COMPRISING A SCREW, A TUBULAR BODY HAVING A SURFACE DEFINING AN ARCUATE GROOVE AND AN ACCESS BORE FROM THE OUTSIDE COMMUNICATING WITH SAID GROOVE, AND A CYLINDRICAL BODY WITH CIRCUMFERENTIALLY EXTENDING TEETH; SAID TEETH BEING RADIALLY OPPOSED TO SAID GROOVE; SAID SCREW HAVING A HEAD ACCESSIBLE FROM OUTSIDE THE UNIT TO FACILITATE ROTATION OF THE SCREW AND A RESILIENT THREADED BODY LOCATED IN SAID GROOVE IN MESHING ENGAGEMENT WITH SAID TEETH, WHEREBY ROTATION OF THE SCREW CAUSES MOTION OF THE CYLINDRICAL BODY RELATIVE TO SAID TUBULAR BODY; SAID THREADED BODY IN THE ABSENCE OF SAID CYLINDRICAL BODY EXTENDING INTO THE VOLUME NORMALLY OCCUPIED BY SAID TEETH, WHEREBY THE PRESENCE OF SAID CYLINDRICAL BODY CAUSES SAID SCREW TO CONFORM TO THE ARCUATE CONTOUR OF SAID GROOVE WITH SAID SURFACE OPPOSING ROTATION OF SAID SCREW.
Claim 2
Dependent Claim
138 words
A PRECISION SCREW-OPERATED POSITIONING UNIT COMPRISING A SCREW, A TUBULAR BODY HAVING A SURFACE DEFINING AN ARCUATE GROOVE AND AN ACCESS BORE FROM THE OUTSIDE COMMUNICATING WITH SAID GROOVE, AND A CYLINDRICAL BODY WITH CIRCUMFERENTIALLY EXTENDING TEETH; SAID TEETH BEING RADIALLY OPPOSED TO SAID GROOVE; SAID SCREW HAVING A HEAD ACCESSIBLE FROM OUTSIDE THE UNIT TO FACILITATE ROTATION OF THE SCREW AND A RESILIENT THREADED BODY LOCATED IN SAID GROOVE IN MESHING ENGAGEMENT WITH SAID TEETH, WHEREBY ROTATION OF THE SCREW CAUSES MOTION OF THE CYLINDRICAL BODY RELATIVE TO SAID TUBULAR BODY; SAID THREADED BODY IN THE ABSENCE OF SAID CYLINDRICAL BODY EXTENDING INTO THE VOLUME NORMALLY OCCUPIED BY SAID TEETH, WHEREBY THE PRESENCE OF SAID CYLINDRICAL BODY CAUSES SAID SCREW TO CONFORM TO THE ARCUATE CONTOUR OF SAID GROOVE WITH SAID SURFACE OPPOSING ROTATION OF SAID SCREW.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |