US3345833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive transmitting mechanisms
Assignee: Geo W King Ltd
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Filing: 1965-09-17
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Granted: 1967-10-10
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Expires: 1985-09-17
Abstract
No abstract record available.
Inventors
- 👤 Burrows Arthur Thomas Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:01
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A DRIVE TRANSMISSION MECHANISM INTERPOSED BETWEEN ALIGNED DRIVING AND DRIVEN SHAFTS COMPRISING: A DISC OPERATIVELY SECURED TO ONE OF THE SHAFTS FOR ROTATION THEREWITH; FRICTION GRIPPING MEMBERS JUXTAPOSED EACH OF THE OPPOSED FACES OF THE DISC AND OPERATIVELY CARRIED BY CAGE ELEMENTS; A PAIR OF CAGE ELEMENTS, EACH OPERATIVELY ATTACHED TO ONE OF THE FRICTION GRIPPING MEMBERS, AND BEING OPERATIVELY SLIDABLY CONNECTED TO AND ROTATABLY KEYED TO THE OTHER SHAFT SO AS TO BE ROTATED THEREBY WHILE BEING CAPABLE OF RELATIVE AXIAL MOVEMENT WITH RESPECT TO THE SHAFTS AND EACH OTHER; RESILIENT MEANS BEARING AGAINST THE CAGE ELEMENTS AND URGING THE CAGE ELEMENTS TOWARDS EACH OTHER SO THAT THE FRICTION GRIPPING MEMBERS WILL BE MAINTAINED IN FRICTIONAL ENGAGEMENT WITH THE DISC; AND CAMMING MEANS INTERPOSED BETWEEN THE CAGE ELEMENTS FOR EXERTING A FORCE ON THE CAGE ELEMENTS OPPOSED TO THAT EXERTED BY THE RESILIENT MEANS WHEREBY THE DEGREE OF FRICTIONAL ENGAGEMENT BETWEEN THE FRICTION GRIPPING MEMBERS AND THE DISC WILL BE LESSENED TO ALLOW SLIPPAGE WHEN THE TORQUE BETWEEN THE DRIVING AND DRIVEN SHAFTS EXCEEDS A PREDETERMINED VALUE SO THAT SMOOTH ACCELERATION AND RETARDATION OF THE DRIVEN SHAFT WILL BE OBTAINED UPON STARTING AND STOPPING OF THE DRIVING SHAFT.
Claim 2
Dependent Claim
199 words
A DRIVE TRANSMISSION MECHANISM INTERPOSED BETWEEN ALIGNED DRIVING AND DRIVEN SHAFTS COMPRISING: A DISC OPERATIVELY SECURED TO ONE OF THE SHAFTS FOR ROTATION THEREWITH; FRICTION GRIPPING MEMBERS JUXTAPOSED EACH OF THE OPPOSED FACES OF THE DISC AND OPERATIVELY CARRIED BY CAGE ELEMENTS; A PAIR OF CAGE ELEMENTS, EACH OPERATIVELY ATTACHED TO ONE OF THE FRICTION GRIPPING MEMBERS, AND BEING OPERATIVELY SLIDABLY CONNECTED TO AND ROTATABLY KEYED TO THE OTHER SHAFT SO AS TO BE ROTATED THEREBY WHILE BEING CAPABLE OF RELATIVE AXIAL MOVEMENT WITH RESPECT TO THE SHAFTS AND EACH OTHER; RESILIENT MEANS BEARING AGAINST THE CAGE ELEMENTS AND URGING THE CAGE ELEMENTS TOWARDS EACH OTHER SO THAT THE FRICTION GRIPPING MEMBERS WILL BE MAINTAINED IN FRICTIONAL ENGAGEMENT WITH THE DISC; AND CAMMING MEANS INTERPOSED BETWEEN THE CAGE ELEMENTS FOR EXERTING A FORCE ON THE CAGE ELEMENTS OPPOSED TO THAT EXERTED BY THE RESILIENT MEANS WHEREBY THE DEGREE OF FRICTIONAL ENGAGEMENT BETWEEN THE FRICTION GRIPPING MEMBERS AND THE DISC WILL BE LESSENED TO ALLOW SLIPPAGE WHEN THE TORQUE BETWEEN THE DRIVING AND DRIVEN SHAFTS EXCEEDS A PREDETERMINED VALUE SO THAT SMOOTH ACCELERATION AND RETARDATION OF THE DRIVEN SHAFT WILL BE OBTAINED UPON STARTING AND STOPPING OF THE DRIVING SHAFT.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |