US3364698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling
Assignee: Individual
•
Filing: 1965-06-28
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Granted: 1968-01-23
•
Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Firth David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:31
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/78; F16D3/72; F16D3/74; F16D2003/745
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A FLEXIBLE COUPLING COMPRISING: (A) A PLURALITY OF LIKE COUPLING MEMBERS ADAPTED TO BE MOUNTED ON THE ENDS OF AXIALLY ALIGNED SHAFTS; (B) A PLURALITY OF OFFSET SECTORS ON SAID MEMBERS DIRECTED TOWARD AND POSITIONED BETWEEN EACH OTHER; (C) RIM MEANS PROJECTING RADIALLY FROM THE PERIPHERY OF EACH OF SAID SECTORS, SAID MEANS BEING IN CIRCUMFERENTIAL ALIGNMENT WITH EATH OTHER IN A PLANE NORMAL TO THE AXIALLY ALIGNED SHAFTS; (D) AN ANNULAR FLEXIBLE ELEMENT COMPRISING; AN ARCUATE PORTION, RIM PORTION INTEGRAL WITH SAID ARCUATE PORTION, A BEAD PROJECTING AXIALLY OUTWARDLY FROM EACH OF SAID RIM PORTIONS, SAID RIM PORTIONS POSITIONED TO OVERLAP SAID RIM MEANS; AND (E) CLAMPING MEANS ADAPTED TO SECURE SAID RIM PORTIONS TO SAID RIM MEANS INCLUDING A CLAMPING SECTOR POSITIONED ON EACH SIDE OF SAID RIM MEANS, SAID SECTOR HAVING AN ARCUATE RECESS THEREIN ADAPTED TO ACCEPT SAID BEAD AND WHEREBY SAID ELEMENT IS IN TENSION BETWEEN SAID SECTORS.
Claim 2
Dependent Claim
153 words
A FLEXIBLE COUPLING COMPRISING: (A) A PLURALITY OF LIKE COUPLING MEMBERS ADAPTED TO BE MOUNTED ON THE ENDS OF AXIALLY ALIGNED SHAFTS; (B) A PLURALITY OF OFFSET SECTORS ON SAID MEMBERS DIRECTED TOWARD AND POSITIONED BETWEEN EACH OTHER; (C) RIM MEANS PROJECTING RADIALLY FROM THE PERIPHERY OF EACH OF SAID SECTORS, SAID MEANS BEING IN CIRCUMFERENTIAL ALIGNMENT WITH EATH OTHER IN A PLANE NORMAL TO THE AXIALLY ALIGNED SHAFTS; (D) AN ANNULAR FLEXIBLE ELEMENT COMPRISING; AN ARCUATE PORTION, RIM PORTION INTEGRAL WITH SAID ARCUATE PORTION, A BEAD PROJECTING AXIALLY OUTWARDLY FROM EACH OF SAID RIM PORTIONS, SAID RIM PORTIONS POSITIONED TO OVERLAP SAID RIM MEANS; AND (E) CLAMPING MEANS ADAPTED TO SECURE SAID RIM PORTIONS TO SAID RIM MEANS INCLUDING A CLAMPING SECTOR POSITIONED ON EACH SIDE OF SAID RIM MEANS, SAID SECTOR HAVING AN ARCUATE RECESS THEREIN ADAPTED TO ACCEPT SAID BEAD AND WHEREBY SAID ELEMENT IS IN TENSION BETWEEN SAID SECTORS.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |