Patent US1907987A successfully refreshed from Google Patents.
Patent US3283535A successfully refreshed from Google Patents.
US3283535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft coupling
Assignee: Dodge Manufacturing Corp
•
Filing: 1964-08-24
•
Granted: 1966-11-08
•
Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Robert R Grundtner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:50
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72; F16D3/74; F16D2003/745
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A FLEXIBLE COUPLING FOR CONNECTING TWO SHAFTS IN END-TO-END RELATION WITH THE ENDS THEREOF SPACED A SUBSTANTIAL DISTANCE APART, COMPRISING FLANGES FOR SAID SHAFTS, EACH OF SAID FLANGES HAVING AN ANNULAR SHOULDER ON ITS INTERNAL FACE, MEANS FOR SECURING SAID FLANGES TO SAID SHAFTS, AN INTERMEDIATE RING FOR EACH OF SAID FLANGES SEATING ON SAID ANNULAR SHOULDER AND HAVING AN ANNULAR GROOVE ON ITS INNER SURFACE, A FLEXIBLE ELEMENT OF ARCUATE CROSS SECTION AND WITH INWARDLY EXTENDING SIDE WALLS SEATING IN SAID GROOVES, AN INNER RING ON EACH OF SAID INTERMEDIATE RINGS ADJACENT THE GROOVES THEREIN, SCREWS EXTENDING THROUGH SAID INTERMEDIATE AND INNER RINGS FOR CLAMPING SAID SIDE
Claim 2
Dependent Claim
108 words
A FLEXIBLE COUPLING FOR CONNECTING TWO SHAFTS IN END-TO-END RELATION WITH THE ENDS THEREOF SPACED A SUBSTANTIAL DISTANCE APART, COMPRISING FLANGES FOR SAID SHAFTS, EACH OF SAID FLANGES HAVING AN ANNULAR SHOULDER ON ITS INTERNAL FACE, MEANS FOR SECURING SAID FLANGES TO SAID SHAFTS, AN INTERMEDIATE RING FOR EACH OF SAID FLANGES SEATING ON SAID ANNULAR SHOULDER AND HAVING AN ANNULAR GROOVE ON ITS INNER SURFACE, A FLEXIBLE ELEMENT OF ARCUATE CROSS SECTION AND WITH INWARDLY EXTENDING SIDE WALLS SEATING IN SAID GROOVES, AN INNER RING ON EACH OF SAID INTERMEDIATE RINGS ADJACENT THE GROOVES THEREIN, SCREWS EXTENDING THROUGH SAID INTERMEDIATE AND INNER RINGS FOR CLAMPING SAID SIDE
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |