Patent US3208289A successfully refreshed from Google Patents.
US3208289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary shaft construction with diaphragm type of seal
Assignee: Individual
•
Filing: 1962-08-08
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Granted: 1965-09-28
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Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Hutter Ernest
- 👤 Elias Peeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:51
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/50; F16J15/52; F16J15/525; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
IN COMBINATION, ALIGNED DRIVING AND DRIVEN SHAFTS HAVING THEIR ENDS FACING ONE ANOTHER IN SPACED RELATIONSHIP, ALIGNED REDUCED ECCENTRIC EXTENSIONS ON THE ENDS OF THE SHAFTS TERMINATING IN CLOSELY SPACED RELATIONSHIP TO ONE ANOTHER, A SHIFTABLE DRIVE-TRANSMITTING PLATE LOCATED BETWEEN THE EXTENSIONS IN A PLANE PERPENDICULAR TO THE SHAFTS AND HAVING ALIGNED CENTRAL CYLINDRICAL PORTIONS PROJECTING FROM OPPOSITE SIDES OF THE PLATE TO RECEIVE THE SHAFT EXTENSIONS, BEARINGS ROTATABLY MOUNTING THE SHAFT EXTENSIONS IN THE CYLINDRICAL PORTIONS OF THE SHIFTABLE PLATE, STATIONARY BEARING PLATES ENGAGING OPOSITE SIDES OF THE SHIFTABLE PLATE TO PREVENT IT FROM MOVING AXIALLY OF THE SHAFTS, EACH STATIONARY PLATE HAVING A CENTRAL OPENING LOOSELY RECEIVING THE CYLINDRICAL PORTIONS AND TWO DIAMETRICALLY OPPOSED CIRCULAR OPENINGS RADIALLY OUTWARD OF THE CENTRAL OPENING, TWO SETS OF DIAMETRALLY OPPOSED BEARING MEMBERS LOCATED AT OPPOSITE SIDES OF THE SHIFTABLE PLATE AND LOOSELY RECEIVED IN THE DIAMETRALLY OPPOSED OPENINGS IN THE STATIONARY PLATES, PINS MOUNTING THE BEARING MEMBES ON THE SHIFTABLE PLATE SO AS TO ENABLE THEM TO ROLL AGAINST THE DIAMETRALLY OPPOSED OPENINGS IN THE STATIONARY PLATES, A WALL HAVING AN ANNULAR GROOVE AND AN OPENING LYING INWARDLY OF THE ANNULAR GROOVE,
Claim 2
Dependent Claim
191 words
IN COMBINATION, ALIGNED DRIVING AND DRIVEN SHAFTS HAVING THEIR ENDS FACING ONE ANOTHER IN SPACED RELATIONSHIP, ALIGNED REDUCED ECCENTRIC EXTENSIONS ON THE ENDS OF THE SHAFTS TERMINATING IN CLOSELY SPACED RELATIONSHIP TO ONE ANOTHER, A SHIFTABLE DRIVE-TRANSMITTING PLATE LOCATED BETWEEN THE EXTENSIONS IN A PLANE PERPENDICULAR TO THE SHAFTS AND HAVING ALIGNED CENTRAL CYLINDRICAL PORTIONS PROJECTING FROM OPPOSITE SIDES OF THE PLATE TO RECEIVE THE SHAFT EXTENSIONS, BEARINGS ROTATABLY MOUNTING THE SHAFT EXTENSIONS IN THE CYLINDRICAL PORTIONS OF THE SHIFTABLE PLATE, STATIONARY BEARING PLATES ENGAGING OPOSITE SIDES OF THE SHIFTABLE PLATE TO PREVENT IT FROM MOVING AXIALLY OF THE SHAFTS, EACH STATIONARY PLATE HAVING A CENTRAL OPENING LOOSELY RECEIVING THE CYLINDRICAL PORTIONS AND TWO DIAMETRICALLY OPPOSED CIRCULAR OPENINGS RADIALLY OUTWARD OF THE CENTRAL OPENING, TWO SETS OF DIAMETRALLY OPPOSED BEARING MEMBERS LOCATED AT OPPOSITE SIDES OF THE SHIFTABLE PLATE AND LOOSELY RECEIVED IN THE DIAMETRALLY OPPOSED OPENINGS IN THE STATIONARY PLATES, PINS MOUNTING THE BEARING MEMBES ON THE SHIFTABLE PLATE SO AS TO ENABLE THEM TO ROLL AGAINST THE DIAMETRALLY OPPOSED OPENINGS IN THE STATIONARY PLATES, A WALL HAVING AN ANNULAR GROOVE AND AN OPENING LYING INWARDLY OF THE ANNULAR GROOVE,
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |