US3084524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible couplings
Assignee: Individual
•
Filing: 1961-11-14
•
Granted: 1963-04-09
•
Expires: 1981-11-14
Abstract
No abstract record available.
Inventors
- 👤 Mclay Gavin Smellie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:35
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/64; F16D3/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A FLEXIBLE COUPLING FOR THE TRANSMISSION OF TORQUE FROM A ROTATABLE DRIVING SHAFT TO A ROTATABLE DRIVEN SHAFT WHICH IS AT LEAST APPROXIMATELY ALIGNED WITH THE DRIVING SHAFT, INCLUDING A DRIVING HUB AND A DRIVEN HUB ADAPTED TO BE ATTACHED RESPECTIVELY TO THE DRIVING AND DRIVEN SHAFTS, SYMMETRICALLY ARRANGED AND AXIALLY ALIGNED FINS ON EACH HUB, EACH FIN OF ONE HUB BEING DISPOSED BETWEEN TWO ADJACCENT FINS OF THE OTHER HUB, DISPOSED BETWEEN EACH SAID FIN OF THE ONE HUB AND EACH OF THE TWO SAID FINS OF THE OTHER HUB A COUPLING ELEMENT COMPRISING AT LEAST ONE RESILIENT PAD COMPOSED OF ELASTOMERIC MATERIAL HAVING TWO OPPOSITELY DIRECTED SMOOTH FACES LYING RESPECTIVELY IN TWO PLANES WHICH INTERSECT IN A LINE SUBSTANTIALLY PARALLEL TO THE ROTATIONAL AXIS OF THE COUPLING AND MORE DISTANT FROM THE PAD THAN THAT AXIS, EACH PAD ALSO HAVING A RADIALLY INNER FACE DIRECTED TOWARDS THE AXIS OF THE COUPLING AND AN OPPOSITELY DIRECTED RADIALLY OUTER FACE, WHEREIN THE SAID TWO PLANES SUBTEND AN ANGLE, UNDER ZERO COUPLING LOAD, OF NOT MORE THAN 12 DEGREES.
Claim 2
Dependent Claim
178 words
A FLEXIBLE COUPLING FOR THE TRANSMISSION OF TORQUE FROM A ROTATABLE DRIVING SHAFT TO A ROTATABLE DRIVEN SHAFT WHICH IS AT LEAST APPROXIMATELY ALIGNED WITH THE DRIVING SHAFT, INCLUDING A DRIVING HUB AND A DRIVEN HUB ADAPTED TO BE ATTACHED RESPECTIVELY TO THE DRIVING AND DRIVEN SHAFTS, SYMMETRICALLY ARRANGED AND AXIALLY ALIGNED FINS ON EACH HUB, EACH FIN OF ONE HUB BEING DISPOSED BETWEEN TWO ADJACCENT FINS OF THE OTHER HUB, DISPOSED BETWEEN EACH SAID FIN OF THE ONE HUB AND EACH OF THE TWO SAID FINS OF THE OTHER HUB A COUPLING ELEMENT COMPRISING AT LEAST ONE RESILIENT PAD COMPOSED OF ELASTOMERIC MATERIAL HAVING TWO OPPOSITELY DIRECTED SMOOTH FACES LYING RESPECTIVELY IN TWO PLANES WHICH INTERSECT IN A LINE SUBSTANTIALLY PARALLEL TO THE ROTATIONAL AXIS OF THE COUPLING AND MORE DISTANT FROM THE PAD THAN THAT AXIS, EACH PAD ALSO HAVING A RADIALLY INNER FACE DIRECTED TOWARDS THE AXIS OF THE COUPLING AND AN OPPOSITELY DIRECTED RADIALLY OUTER FACE, WHEREIN THE SAID TWO PLANES SUBTEND AN ANGLE, UNDER ZERO COUPLING LOAD, OF NOT MORE THAN 12 DEGREES.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |