US3142369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid power transmitters
Assignee: Automatic Products Co Ltd
•
Filing: 1961-06-27
•
Granted: 1964-07-28
•
Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Alan J Atkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:34
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN COMBINATION, A FLUID POWER TRANSMITTER COMPRISING A DRIVE SHAFT WITH A FLYWHEEL FIXED THERETO, A DRIVEN SHAFT, A STATIONARY HOUSING WITH A CENTRAL OPENING, A HYDRAULIC FLUID COUPLING CASING DISPOSED WITHIN SAID HOUSING, AN IMPELLER FIXED TO SAID CASING HAVING ONE SIDE PROVIDED WITH A PERIPHERAL TAPERED SURFACE FORMING A MOVABLE ELEMENT OF A CONE CLUTCH, SAID FLYWHEEL HAVING A TAPERED INTERNAL SURFACE FOR COOPERATION WITH SAID MOVABLE ELEMENT, A TURBINE DISPOSED WITHIN SAID CASING FOR ROTATION BY FLUID THEREIN, A SLEEVE FIXED TO SAID TURBINE FOR ROTATION THEREWITH AND BEING FIXED TO SAID DRIVEN SHAFT FOR DRIVING ROTATION OF SAID DRIVEN SHAFT, A SECOND SLEEVE FIXED TO SAID CASING AND EXTENDING INTO SAID CENTRAL OPENING, A BRAKE MEMBER FIXEDLY SECURED TO THE INTERNAL SURFACE OF SAID HOUSING ADJACENT ANOTHER SIDE OF SAID CASING OPPOSITE ITS SAID ONE SIDE, MEANS FOR MOVING SAID CASING AXIALLY TOWARD SAID FLYWHEEL FOR ENGAGING SAID CLUTCH ELEMENTS AT
Claim 2
Dependent Claim
155 words
IN COMBINATION, A FLUID POWER TRANSMITTER COMPRISING A DRIVE SHAFT WITH A FLYWHEEL FIXED THERETO, A DRIVEN SHAFT, A STATIONARY HOUSING WITH A CENTRAL OPENING, A HYDRAULIC FLUID COUPLING CASING DISPOSED WITHIN SAID HOUSING, AN IMPELLER FIXED TO SAID CASING HAVING ONE SIDE PROVIDED WITH A PERIPHERAL TAPERED SURFACE FORMING A MOVABLE ELEMENT OF A CONE CLUTCH, SAID FLYWHEEL HAVING A TAPERED INTERNAL SURFACE FOR COOPERATION WITH SAID MOVABLE ELEMENT, A TURBINE DISPOSED WITHIN SAID CASING FOR ROTATION BY FLUID THEREIN, A SLEEVE FIXED TO SAID TURBINE FOR ROTATION THEREWITH AND BEING FIXED TO SAID DRIVEN SHAFT FOR DRIVING ROTATION OF SAID DRIVEN SHAFT, A SECOND SLEEVE FIXED TO SAID CASING AND EXTENDING INTO SAID CENTRAL OPENING, A BRAKE MEMBER FIXEDLY SECURED TO THE INTERNAL SURFACE OF SAID HOUSING ADJACENT ANOTHER SIDE OF SAID CASING OPPOSITE ITS SAID ONE SIDE, MEANS FOR MOVING SAID CASING AXIALLY TOWARD SAID FLYWHEEL FOR ENGAGING SAID CLUTCH ELEMENTS AT
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |