US3105578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch-actuating system
Assignee: Rolls Royce Solutions GmbH
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Filing: 1960-10-11
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Granted: 1963-10-01
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Expires: 1980-10-11
Abstract
No abstract record available.
Inventors
- 👤 Meyer Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:48
CPC Classifications
F; F02; F02D; F02D29/00; F02D29/02; F16; F16D; F16D25/00; F16D25/12; F16D25/14; F16D48/00; F16D48/02; F16D48/04; F16D2048/0227; F16D2048/0254
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A FRICTION CLUTCH SYSTEM FOR TRANSMITTING TORQUE FROM AN INTERNAL COMBUSTION ENGINE TO A CHANGE SPEED GEAR, COMPRISING: A CLUTCH HAVING A DRIVING PART AND A DRIVEN PART, FRICTION ELEMENTS AXIALLY MOVABLY CONNECTED TO SAID DRIVING PART AND TO SAID DRIVEN PART, A HOLLOW FLUID PRESSURE CYLINDER AXIALLY MOVABLY CONNECTED TO SAID DRIVEN PART, A PRESSURE PLATE RIGIDLY CONNECTED TO SAID CYLINDER AND ENGAGEABLE WITH SAID FRICTION ELEMENTS FOR PRESSING THE LATTER AGAINST ONE ANOTHER FRO ENGAGING THE CLUTCH UPON AXIAL MOVEMENT OF SAID CYLINDER AND PRESSURE PLATE IN ONE DIRECTION AND FOR RELEASING SAID FRICTION ELEMENTS FROM EACH OTHER FOR DISENGAGING THE CLUTCH UPON AXIAL MOVEMENT OF SAID CYLINDER AND PRESSURE PLATE IN THE OPPOSITE DIRECTION, SPRING MEANS INTERPOSED BETWEEN SAID PRESSURE PLATE AND SAID DRIVEN PART FOR URGING SAID PRESSURE PLATE AND CYLINDER IN THE DIRECTION FOR PRESSING SAID FRICTION ELEMENTS AGAINST ONE ANOTHER AND ENGAGING THE CLUTCH, A PISTON ELEMENT RIGIDLY CONNECTED TO SAID DRIVEN PART AND PLACED IN SAID CYLINDER FOR DIVIDING THE LATTER INTO TWO CHAMBERS, A PUMP FOR SUPPLYING A PRESSURE FLUID, A CONDUIT MEANS INTERCONNECTING SAID PUMP AND SAID TWO CHAMBERS,
Claim 2
Dependent Claim
188 words
A FRICTION CLUTCH SYSTEM FOR TRANSMITTING TORQUE FROM AN INTERNAL COMBUSTION ENGINE TO A CHANGE SPEED GEAR, COMPRISING: A CLUTCH HAVING A DRIVING PART AND A DRIVEN PART, FRICTION ELEMENTS AXIALLY MOVABLY CONNECTED TO SAID DRIVING PART AND TO SAID DRIVEN PART, A HOLLOW FLUID PRESSURE CYLINDER AXIALLY MOVABLY CONNECTED TO SAID DRIVEN PART, A PRESSURE PLATE RIGIDLY CONNECTED TO SAID CYLINDER AND ENGAGEABLE WITH SAID FRICTION ELEMENTS FOR PRESSING THE LATTER AGAINST ONE ANOTHER FRO ENGAGING THE CLUTCH UPON AXIAL MOVEMENT OF SAID CYLINDER AND PRESSURE PLATE IN ONE DIRECTION AND FOR RELEASING SAID FRICTION ELEMENTS FROM EACH OTHER FOR DISENGAGING THE CLUTCH UPON AXIAL MOVEMENT OF SAID CYLINDER AND PRESSURE PLATE IN THE OPPOSITE DIRECTION, SPRING MEANS INTERPOSED BETWEEN SAID PRESSURE PLATE AND SAID DRIVEN PART FOR URGING SAID PRESSURE PLATE AND CYLINDER IN THE DIRECTION FOR PRESSING SAID FRICTION ELEMENTS AGAINST ONE ANOTHER AND ENGAGING THE CLUTCH, A PISTON ELEMENT RIGIDLY CONNECTED TO SAID DRIVEN PART AND PLACED IN SAID CYLINDER FOR DIVIDING THE LATTER INTO TWO CHAMBERS, A PUMP FOR SUPPLYING A PRESSURE FLUID, A CONDUIT MEANS INTERCONNECTING SAID PUMP AND SAID TWO CHAMBERS,
References Cited (Backward Citations)
US1891678A
Cited
US2062484A
Cited
US2229055A
Cited
US2414717A
Cited
US2572660A
Cited
US2933168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |