US3316737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling
Assignee: Allis Chalmers Corp
•
Filing: 1965-01-25
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Granted: 1967-05-02
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Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 Bruce G Hulley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:59
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A FLEXIBLE COUPLING FOR CONNECTING AXIALLY SEPARATED ROTATING SHAFTS TOGETHER COMPRISING: A PAIR OF SHAFTS; A PAIR OR HUBS EACH HAVING AN INNER FACE; MEANS FOR SECURING ONE OF SAID HUBS ON EACH SAID SHAFTS; A FLEXIBLE DRIVING MEMBER POSITIONED BETWEEN SAID INNER FACES OF SAID HUBS AND HAVING APERTURES THERETHROUGH EXTENDING GENERALLY PARALLEL TO SAID SHAFTS; A PLURALITY OF AXIALLY EXTENDING DRIVING PINS MOUNTED ON EACH OF SAID HUBS WITH THE PINS ON ONE OF SAID HUBS BEING INTERDIGITATED WITH THE PINS ON THE OTHER OF SAID HUBS AND PROJECTING THROUGH ALTERNATE ONES OF SAID APERTURES IN SAID DRIVING MEMBER; AND A NONDRIVING SPACER MEANS POSITIONED ADJACENT SAID SHAFTS TO EXTEND AXIALLY BETWEEN EACH OF SAID INNER FACES AND SAID DRIVING MEMBER, SAID SPACER ELEMENT EXTENDING RADIALLY OUTWARD FROM SAID SHAFT A DISTANCE LESS THAN THE RADIAL DISTANCE OF SAID PINS FROM SAID SHAFT TO PROVIDE A CONTINUOUS ANNULAR RELIEVED AREA INTO WHICH SAID PINS PROJECT.
Claim 2
Dependent Claim
157 words
A FLEXIBLE COUPLING FOR CONNECTING AXIALLY SEPARATED ROTATING SHAFTS TOGETHER COMPRISING: A PAIR OF SHAFTS; A PAIR OR HUBS EACH HAVING AN INNER FACE; MEANS FOR SECURING ONE OF SAID HUBS ON EACH SAID SHAFTS; A FLEXIBLE DRIVING MEMBER POSITIONED BETWEEN SAID INNER FACES OF SAID HUBS AND HAVING APERTURES THERETHROUGH EXTENDING GENERALLY PARALLEL TO SAID SHAFTS; A PLURALITY OF AXIALLY EXTENDING DRIVING PINS MOUNTED ON EACH OF SAID HUBS WITH THE PINS ON ONE OF SAID HUBS BEING INTERDIGITATED WITH THE PINS ON THE OTHER OF SAID HUBS AND PROJECTING THROUGH ALTERNATE ONES OF SAID APERTURES IN SAID DRIVING MEMBER; AND A NONDRIVING SPACER MEANS POSITIONED ADJACENT SAID SHAFTS TO EXTEND AXIALLY BETWEEN EACH OF SAID INNER FACES AND SAID DRIVING MEMBER, SAID SPACER ELEMENT EXTENDING RADIALLY OUTWARD FROM SAID SHAFT A DISTANCE LESS THAN THE RADIAL DISTANCE OF SAID PINS FROM SAID SHAFT TO PROVIDE A CONTINUOUS ANNULAR RELIEVED AREA INTO WHICH SAID PINS PROJECT.
References Cited (Backward Citations)
US1911846A
Cited
US1935390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |