US3299745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epicyclic gear assemblies
Assignee: Raleigh Industries Ltd
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Filing: 1964-05-08
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Granted: 1967-01-24
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Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Toplis John Geoffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:55
CPC Classifications
B; B62; B62M; B62M11/00; B62M11/04; B62M11/14; B62M11/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
AN EPICYCLIC CHANGE SPEED GEAR HUB INCLUDING FIXED SUN GEAR, A PLURALITY OF PLANET GEARS ROTATABLE ABOUT SAID FIXED GEAR, A PLANET CAGE IN WHICH SAID PLANET GEARS ARE SUPPORTED, A GEAR RING DISPOSED RADIALLY OUTWARDLY OF SAID PLANET GEARS AND IN ENGAGEMENT THEREWITH A DRIVER ADAPTED, SELECTIVELY, TO BE COUPLED WITH SAID GEAR RING OR SAID PLANET CAGE, AN AXIALLY MOVABLE SELECTOR SLEEVE ADAPTED TO EFFECT SUCH COUPLING, A RATCHET ASSEMBLY ADAPTED TO TRANSMIT THE MOTION OF SAID PLANET CAGE OR GEAR RING TO A HUB SHELL, SAID GEAR RING BEING AXIALLY DISPLACEABLE INTO OR OUT OF ENGAGEMENT WITH SAID RATCHET ASSEMBLY AND A UNIDIRECTIONAL CLUTCH MEANS IS PROVIDED BETWEEN THE PLANET CAGE AND THE RATCHET ASSEMBLY, THE SAID CLUTCH MEANS BEING ADAPTED TO TRANSMIT A DRIVE FROM THE PLANET CAGE TO THE RATCHET ASSEMBLY WHEN THE GEAR RING IS OPERATIVELY DISENGAGED FROM SUCH ASSEMBLY BUT TO BE INOPERATIVE IN TRANSMITTING A DRIVE WHEN THE GEAR RING IS IN OPERATIVE ENGAGEMENT WITH THE SAID ASSEMBLY.
Claim 2
Dependent Claim
166 words
AN EPICYCLIC CHANGE SPEED GEAR HUB INCLUDING FIXED SUN GEAR, A PLURALITY OF PLANET GEARS ROTATABLE ABOUT SAID FIXED GEAR, A PLANET CAGE IN WHICH SAID PLANET GEARS ARE SUPPORTED, A GEAR RING DISPOSED RADIALLY OUTWARDLY OF SAID PLANET GEARS AND IN ENGAGEMENT THEREWITH A DRIVER ADAPTED, SELECTIVELY, TO BE COUPLED WITH SAID GEAR RING OR SAID PLANET CAGE, AN AXIALLY MOVABLE SELECTOR SLEEVE ADAPTED TO EFFECT SUCH COUPLING, A RATCHET ASSEMBLY ADAPTED TO TRANSMIT THE MOTION OF SAID PLANET CAGE OR GEAR RING TO A HUB SHELL, SAID GEAR RING BEING AXIALLY DISPLACEABLE INTO OR OUT OF ENGAGEMENT WITH SAID RATCHET ASSEMBLY AND A UNIDIRECTIONAL CLUTCH MEANS IS PROVIDED BETWEEN THE PLANET CAGE AND THE RATCHET ASSEMBLY, THE SAID CLUTCH MEANS BEING ADAPTED TO TRANSMIT A DRIVE FROM THE PLANET CAGE TO THE RATCHET ASSEMBLY WHEN THE GEAR RING IS OPERATIVELY DISENGAGED FROM SUCH ASSEMBLY BUT TO BE INOPERATIVE IN TRANSMITTING A DRIVE WHEN THE GEAR RING IS IN OPERATIVE ENGAGEMENT WITH THE SAID ASSEMBLY.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |