US3353373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling
Assignee: Goetzewerke Friedrich Goetze AG
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Filing: 1966-02-17
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Granted: 1967-11-21
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Expires: 1986-02-17
Abstract
No abstract record available.
Inventors
- 👤 Schumacher Rolf
- 👤 Vossieck Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:35
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/78; F16D3/64; F16D3/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A FLEXIBLE SHAFT COUPLING, COMPRISING IN COMBINATION: A PLURALITY OF COLUMN-LIKE SPRINGS MADE FROM AN ELASTIC MATERIAL AND ARRANGED TO FORM A POLYGONAL RING; A PLURALITY OF METAL PARTS INTERPOSED BETWEEN SAID SPRINGS AS A PART OF THE POLYGONAL RING FOR CONNECTING THE FLEXIBLE COUPLING TO COUPLING PLATES; AND METAL REINFORCEMENTS CONNECTED TO SAID METAL PARTS, SAID REINFORCEMENTS HAVING BULGE-LIKE PROJECTIONS WHICH EXTEND APPROXIMATELY TRANSVERSELY TO THE AXIS OF SAID METAL PARTS AND APPROXIMATELY TRANSVERSELY TO THE AXIS OF SAID SPRINGS AND WHICH ARE COMPLETELY SURROUNDED BY THE MATERIAL OF SAID SPRINGS.
Claim 2
Dependent Claim
92 words
A FLEXIBLE SHAFT COUPLING, COMPRISING IN COMBINATION: A PLURALITY OF COLUMN-LIKE SPRINGS MADE FROM AN ELASTIC MATERIAL AND ARRANGED TO FORM A POLYGONAL RING; A PLURALITY OF METAL PARTS INTERPOSED BETWEEN SAID SPRINGS AS A PART OF THE POLYGONAL RING FOR CONNECTING THE FLEXIBLE COUPLING TO COUPLING PLATES; AND METAL REINFORCEMENTS CONNECTED TO SAID METAL PARTS, SAID REINFORCEMENTS HAVING BULGE-LIKE PROJECTIONS WHICH EXTEND APPROXIMATELY TRANSVERSELY TO THE AXIS OF SAID METAL PARTS AND APPROXIMATELY TRANSVERSELY TO THE AXIS OF SAID SPRINGS AND WHICH ARE COMPLETELY SURROUNDED BY THE MATERIAL OF SAID SPRINGS.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |