US3246485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Couplings for transmitting a drive between rotatable driving and driven members
Assignee: Twiflex Couplings Ltd
•
Filing: 1963-11-05
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Granted: 1966-04-19
•
Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Chapman Charles Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:23
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/60; F16D3/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A COUPLING FOR TRANSMITTING A DRIVE BETWEEN ROTATABLE DRIVING AND DRIVEN MEMBERS AND COMPRISING: (A) AT LEAST ONE PAIR OF RESILIENT CONNECTING ELEMENTS CONNECTED BETWEEN SAID MEMBERS, (B) A CONNECTION BETWEEN ONE END OF EACH RESILIENT ELEMENT AND THE DRIVING MEMBER, (C) A CONNECTION BETWEEN THE OTHER END OF EACH RESILIENT ELEMENT AND THE DRIVEN MEMBER, (D) THE FOUR CONNECTIONS LYING IN A PLANE CONTAINING THE AXIS OF ROTATION OF THE COUPLING WHEN THE COUPLING IS TRANSMITTING NO TORQUE.
Claim 2
Dependent Claim
79 words
A COUPLING FOR TRANSMITTING A DRIVE BETWEEN ROTATABLE DRIVING AND DRIVEN MEMBERS AND COMPRISING: (A) AT LEAST ONE PAIR OF RESILIENT CONNECTING ELEMENTS CONNECTED BETWEEN SAID MEMBERS, (B) A CONNECTION BETWEEN ONE END OF EACH RESILIENT ELEMENT AND THE DRIVING MEMBER, (C) A CONNECTION BETWEEN THE OTHER END OF EACH RESILIENT ELEMENT AND THE DRIVEN MEMBER, (D) THE FOUR CONNECTIONS LYING IN A PLANE CONTAINING THE AXIS OF ROTATION OF THE COUPLING WHEN THE COUPLING IS TRANSMITTING NO TORQUE.
References Cited (Backward Citations)
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Cited
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Cited
US1654312A
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GB288457A
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Cited
US2630692A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |