Patent US3304743A successfully refreshed from Google Patents.
US3304743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic couplings
Assignee: Luxembourgeoise de Brevets et de Participations SA
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Filing: 1964-11-02
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Granted: 1967-02-21
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Paulsen Jean-Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:40
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/70; F16D3/56; F16D3/16; F16D3/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
A COUPLING FOR CONNECTING TOGETHER A PAIR OF SHAFTS COMPRISING: A PAIR OF HUB MEMBERS RIGID WITH SAID SHAFTS RESPECTIVELY, AND COMPRISING CONNECTING PLATES FACING EACH OTHER, EACH OF SAID PLATES BEING PROVIDED WITH A PLURALITY OF PERIPHERAL HOLES, AN INTERMEDIATE PLATE BETWEEN SAID CONNECTING PLATES CARRYING ON ITS BOTH SIDES A PLURALITY OF PROJECTIONS EXTENDING INTO THE HOLES OF BOTH SAID CONNECTING PLATES, MEANS FOR ELASTICALLY ATTACHING SAID CONNECTING PLATES TO EACH OF THE PROJECTIONS OF SAID INTERMEDIATE PLATE, EACH OF SAID MEANS COMPRISING AN ELASTIC TUBULAR ELEMENT AND RIGID INNER AND OUTER SLEEVES AFFIXED TO THE INNER AND OUTER SURFACES OF SAID ELASTIC TUBULAR ELEMENT, SAID INNER SLEEVE ENGAGING THE CORRESPONDING PROJECTION AND SAID OUTER SLEEVE FITTING WITHIN THE CORRESPONDING CONNECTING PLATE HOLE, MEANS FOR FIXING THE OUTER SLEEVES OF SAID ATTACHING MEANS WITHIN SAID CONNECTING PLATE HOLE, MEANS FOR FIXING THE INNER SLEEVES OF SAID ATTACHING MEANS ON SAID PROJECTIONS, AND A PAIR OF RINGS SURROUNDING SAID HUB MEMBERS ON EITHER SIDE OF SAID INTERMEDIATE PLATE, SAID RINGS HAVING CENTRAL BORES WHOSE DIAMETERS ARE SUFFICIENT TO CLEAR SAID HUB MEMBERS IN POSITIONS OF MISALIGNMENT THEREOF, SAID RINGS ENGAGING SOLELY THE ENDS OF SAID PROJECTIONS FOR HOLDING THE SAME AGAINST THE ACTION OF CENTRIFUGAL FORCES.
Claim 2
Dependent Claim
207 words
A COUPLING FOR CONNECTING TOGETHER A PAIR OF SHAFTS COMPRISING: A PAIR OF HUB MEMBERS RIGID WITH SAID SHAFTS RESPECTIVELY, AND COMPRISING CONNECTING PLATES FACING EACH OTHER, EACH OF SAID PLATES BEING PROVIDED WITH A PLURALITY OF PERIPHERAL HOLES, AN INTERMEDIATE PLATE BETWEEN SAID CONNECTING PLATES CARRYING ON ITS BOTH SIDES A PLURALITY OF PROJECTIONS EXTENDING INTO THE HOLES OF BOTH SAID CONNECTING PLATES, MEANS FOR ELASTICALLY ATTACHING SAID CONNECTING PLATES TO EACH OF THE PROJECTIONS OF SAID INTERMEDIATE PLATE, EACH OF SAID MEANS COMPRISING AN ELASTIC TUBULAR ELEMENT AND RIGID INNER AND OUTER SLEEVES AFFIXED TO THE INNER AND OUTER SURFACES OF SAID ELASTIC TUBULAR ELEMENT, SAID INNER SLEEVE ENGAGING THE CORRESPONDING PROJECTION AND SAID OUTER SLEEVE FITTING WITHIN THE CORRESPONDING CONNECTING PLATE HOLE, MEANS FOR FIXING THE OUTER SLEEVES OF SAID ATTACHING MEANS WITHIN SAID CONNECTING PLATE HOLE, MEANS FOR FIXING THE INNER SLEEVES OF SAID ATTACHING MEANS ON SAID PROJECTIONS, AND A PAIR OF RINGS SURROUNDING SAID HUB MEMBERS ON EITHER SIDE OF SAID INTERMEDIATE PLATE, SAID RINGS HAVING CENTRAL BORES WHOSE DIAMETERS ARE SUFFICIENT TO CLEAR SAID HUB MEMBERS IN POSITIONS OF MISALIGNMENT THEREOF, SAID RINGS ENGAGING SOLELY THE ENDS OF SAID PROJECTIONS FOR HOLDING THE SAME AGAINST THE ACTION OF CENTRIFUGAL FORCES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |