Patent US3368834A successfully refreshed from Google Patents.
US3368834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical rotary self-interlocking device
Assignee: MADELEINE AS SCIL AGENT LLC
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Filing: 1966-11-14
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Granted: 1968-02-13
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Stratienko Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:27
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0829; F16D1/09; F16D1/093; F16D1/094; F16D41/00; F16D41/06; F16D41/063; F16D2001/062; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7009; Y10T403/7011; Y10T403/7013
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
242 words
A ROTARY SELF-INTERLOCKING WEDGE DEVICE, COMPRISING A SHAFT MEMBER, A HUB MEMBER SURROUNDING THE SHAFT MEMBER AND HAVING A SPACE OF ANNULAR SECTION BETWEEN THE SHAFT MEMBER AND THE HUB MEMBER, THE MEMBERS BEING RELATIVELY ANGULARLY MOVABLE ABOUT A COMMON AXIS OF THE SHAFT MEMBER AND THE HUB MEMBER, PAIRS OF COOPERATING WEDGES BETWEEN THE SHAFT MEMBER AND THE HUB MEMBER ON OPPOSITE SIDES, EACH PAIR OF WEDGES COMPRISING A RADIALLY INNER WEDGE HAVING A RADIALLY INNER CYLINDRICAL SURFACE COAXIAL WITH SAID COMMON AXIS AND COOPERATING WITH THE OUTER CYLINDRICAL SURFACE OF SAID SHAFT MEMBER, AND HAVING A RADIALLY OUTER CURVED INCLINED WEDGE SURFACE WHOSE SECTION IS CIRCULAR AND WHICH IS ECCENTRIC WITH RESPECT TO THE AXIS, AND COMPRISING A RADIALLY OUTER WEDGE HAVING A RADIALLY INNER CURVED INCLINED WEDGE SURFACE WHOSE SECTION IS CIRCULAR AND WHICH IS ECCENTRIC WITH RESPECT TO THE AXIS AND OF THE SAME RADIAL OFFSET AS THE RADIALLY OUTER INCLINED WEDGE SURFACE OF THE INNER WEDGE OF THE PAIR, THE INCLINED WEDGE SURFACE OF THE OUTER WEDGE OF EACH PAIR BEING IN SLIDING FRICTIONAL ENGAGEMENT WITH THE INCLINED WEDGE SURFACE OF THE INNER WEDGE OF THE SAME PAIR, THERE BEING INCLINED WEDGE SURFRICTION MEANS ON AT LEAST ONE OF THE INCLINED WEDGE SURFACES WHICH ARE IN SLIDING ENGAGEMENT, AND THE RADIALLY OUTER WEDGE OF EACH PAIR HAVING A RADIALLY OUTER CYLINDRICAL SURFACE COAXIAL WITH SAID COMMON AXIS AND COOPERATING WITH THE INNER CYLINDRICAL SURFACE OF SAID HUB
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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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |