Patent US3224298A successfully refreshed from Google Patents.
US3224298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable gearing for motor vehicles
Assignee: Harry Ferguson Research Ltd
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Filing: 1962-08-21
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Granted: 1965-12-21
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Expires: 1982-08-21
Abstract
No abstract record available.
Inventors
- 👤 Hill Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:00
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H2037/0866; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19284
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A TRANSMISSION COMPRISING A HOUSING, A ROTATABLE INPUT MEANS, A ROTATABLE OUTPUT MEANS, A ROTATABLE INTERMEDIATE MEANS DISPOSED BETWEEN SAID INPUT AND OUTPUT MEANS AND AXIALLY ALIGNED THEREWITH, AN EPICYCLIC GEAR TRAIN UNIT INCLUDING A RING GEAR, A SUN GEAR AND A PLURALITY OF PLANETARY GEARS, A CARRIER FOR CARRYING SAID PLANETARY GEARS, A FLUID TORQUE CONVERTER INCLUDING AN IMPELLER, A TURBINE AND A REACTION WHEEL, THE REACTION WHEEL OF SAID CONVERTER MOUNTED ON A PORTION OF SAID HOUSING FOR ROTATION ONLY IN THE DIRECTION OF SAID IMPELLER AND SAID TURBINE, THE TURBINE OF SAID CONVERTER MOUNTED ON SAID INTERMEDIATE MEANS FOR ROTATION THEREWITH, THE IMPELLER OF SAID CONVERTER ROTATABLY MOUNTED ON A PORTION OF SAID HOUSING, SAID PLANETARY GEAR CARRIER BEING MOUNTED FOR ROTATION WITH THE IMPELLER OF SAID CONVERTER, SAID SUN GEAR OF SAID EPICYCLIC GEAR TRAIN MOUNTED ON SAID INTERMEDIATE MEANS FOR ROTATION THEREWITH, THE RING GEAR OF SAID EPICYCLIC GEAR TRAIN MOUNTED ON SAID INPUT MEANS FOR ROTATION THEREWITH, SAID TRANSMISSION INCLUDING MEANS FOR BRAKING THE IMPELLER OF SAID CONVERTER AND MEANS FOR TRANSMITTING TORQUE FROM SAID INTERMEDIATE MEANS TO SAID OUTPUT MEANS ONLY IN A FORWARD DRIVE DIRECTION.
Claim 2
Dependent Claim
193 words
A TRANSMISSION COMPRISING A HOUSING, A ROTATABLE INPUT MEANS, A ROTATABLE OUTPUT MEANS, A ROTATABLE INTERMEDIATE MEANS DISPOSED BETWEEN SAID INPUT AND OUTPUT MEANS AND AXIALLY ALIGNED THEREWITH, AN EPICYCLIC GEAR TRAIN UNIT INCLUDING A RING GEAR, A SUN GEAR AND A PLURALITY OF PLANETARY GEARS, A CARRIER FOR CARRYING SAID PLANETARY GEARS, A FLUID TORQUE CONVERTER INCLUDING AN IMPELLER, A TURBINE AND A REACTION WHEEL, THE REACTION WHEEL OF SAID CONVERTER MOUNTED ON A PORTION OF SAID HOUSING FOR ROTATION ONLY IN THE DIRECTION OF SAID IMPELLER AND SAID TURBINE, THE TURBINE OF SAID CONVERTER MOUNTED ON SAID INTERMEDIATE MEANS FOR ROTATION THEREWITH, THE IMPELLER OF SAID CONVERTER ROTATABLY MOUNTED ON A PORTION OF SAID HOUSING, SAID PLANETARY GEAR CARRIER BEING MOUNTED FOR ROTATION WITH THE IMPELLER OF SAID CONVERTER, SAID SUN GEAR OF SAID EPICYCLIC GEAR TRAIN MOUNTED ON SAID INTERMEDIATE MEANS FOR ROTATION THEREWITH, THE RING GEAR OF SAID EPICYCLIC GEAR TRAIN MOUNTED ON SAID INPUT MEANS FOR ROTATION THEREWITH, SAID TRANSMISSION INCLUDING MEANS FOR BRAKING THE IMPELLER OF SAID CONVERTER AND MEANS FOR TRANSMITTING TORQUE FROM SAID INTERMEDIATE MEANS TO SAID OUTPUT MEANS ONLY IN A FORWARD DRIVE DIRECTION.
References Cited (Backward Citations)
GB455915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |