Patent US3182525A successfully refreshed from Google Patents.
US3182525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power actuator with harmonic drive
Assignee: TA ACQUISITION CORP
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Filing: 1962-03-28
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Granted: 1965-05-11
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Expires: 1982-03-28
Abstract
No abstract record available.
Inventors
- 👤 David V Tinder
- 👤 William R Carey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:03
CPC Classifications
F; F16; F16H; F16H49/00; F16H49/001; H; H02; H02K; H02K7/00; H02K7/10; H02K7/116; F01; F01L; F01L1/00; F01L1/34; F01L1/344; F01L1/352; F01L2001/3521; Y; Y10; Y10T; Y10T74/00; Y10T74/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A GEARING SYSTEM COMPRISING, AN ANNULAR HOUSING HAVING GEAR TEETH FORMED INTEGRALLY ON THE INNER WALL THEREOF, A PAIR OF DRIVESHAFTS MOUNTED COAXIALLY IN SAID HOUSING, A FLEX SPLINE MEMBER DRIVINGLY MOUNTED ON THE INNER END OF ONE OF SAID SHAFTS, SAID FLEX SPLINE MEMBER COMPRISING A PAIR OF CONCENTRICALLY DISPOSED RADIALLY SPACED CYLINDRICAL PORTIONS, SAID CYLINDRICAL PORTIONS BEING INTERCONNECTED AT ONE END THEREOF BY A SEMI-TOROIDAL FLEXIBLE WEB MEMBER, THE OUTER SURFACE OF THE OUTER CYLINDRICAL PORTION HAVING INTEGRAL TEETH ON A SMALLER PITCH DIAMETER THAN THE GEAR TEETH IN SAID HOUSING DISPOSED IN RADIAL ALIGNMENT WITH THE GEAR TEETH IN SAID HOUSING, A STRAIN INDUCING ELEMENT DRIVINGLY CARRIED BY THE OTHER OF SAID SHAFTS AND DISPOSED IN ENGAGEMENT WITH THE INNER SURFCE OF SAID OUTER CYLINDRICAL PORTION SUCH THAT SAID OUTER CYLINDRICAL PORTION IS DEFLECTED AT A PLURALITY OF SPACED POINTS SUFFICIENTLY TO ENGAGE THE TEETH OF SAID FLEX SPLINE MEMBER WITH SAID HOUSING TEETH.
Claim 2
Dependent Claim
157 words
A GEARING SYSTEM COMPRISING, AN ANNULAR HOUSING HAVING GEAR TEETH FORMED INTEGRALLY ON THE INNER WALL THEREOF, A PAIR OF DRIVESHAFTS MOUNTED COAXIALLY IN SAID HOUSING, A FLEX SPLINE MEMBER DRIVINGLY MOUNTED ON THE INNER END OF ONE OF SAID SHAFTS, SAID FLEX SPLINE MEMBER COMPRISING A PAIR OF CONCENTRICALLY DISPOSED RADIALLY SPACED CYLINDRICAL PORTIONS, SAID CYLINDRICAL PORTIONS BEING INTERCONNECTED AT ONE END THEREOF BY A SEMI-TOROIDAL FLEXIBLE WEB MEMBER, THE OUTER SURFACE OF THE OUTER CYLINDRICAL PORTION HAVING INTEGRAL TEETH ON A SMALLER PITCH DIAMETER THAN THE GEAR TEETH IN SAID HOUSING DISPOSED IN RADIAL ALIGNMENT WITH THE GEAR TEETH IN SAID HOUSING, A STRAIN INDUCING ELEMENT DRIVINGLY CARRIED BY THE OTHER OF SAID SHAFTS AND DISPOSED IN ENGAGEMENT WITH THE INNER SURFCE OF SAID OUTER CYLINDRICAL PORTION SUCH THAT SAID OUTER CYLINDRICAL PORTION IS DEFLECTED AT A PLURALITY OF SPACED POINTS SUFFICIENTLY TO ENGAGE THE TEETH OF SAID FLEX SPLINE MEMBER WITH SAID HOUSING TEETH.
References Cited (Backward Citations)
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Cited
US1752542A
Cited
US2932992A
Cited
US2900831A
Cited
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Cited
US2983162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |