Patent US3272223A successfully refreshed from Google Patents.
US3272223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable shutter valve
Assignee: IND CO KLEINEWEFERS KONST
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Filing: 1964-06-03
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Granted: 1966-09-13
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Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Hans G Sass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:16
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/24; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6579
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
IN A SHUTTER VALVE HAVING A BODY THROUGH WHICH EXTENDS A PASSAGEWAY FOR FLOW OF FLUID THERETHROUGH, SAID PASSAGEWAY HAVING AN INLET AND AN OUTLET, A BODY SEAT INTERPOSED BETWEEN SAID INLET AND AN OUTLET, THE INVENTION COMPRISING A DISK DISPOSED IN SAID PASSAGEWAY AND MOVABLE INTO AND OUT OF ENGAGEMENT WITH SAID SEAT FOR REGULATION OF FLOW OF SAID FLUID THROUGH SAID VALVE, A SHAFT JOINED TO SAID DISK AND HAVING A MOUNTING UPON SAID BODY WHICH PERMITS ROTATION OF SAID DISK ABOUT AN AXIS DISPOSED SUBSTANTIALLY TRNSVERSELY OF THE CENTRAL AXIS OF AN OPENING FORMED BY SAID BODY SEAT, ROTATION OF SAID DISK ABOUT SAID AXIS OF ROTATION INCLUDING PLACING SAME IN A PLANE SUBSTANTIALLY PARALLEL TO THE PLANE OF SAID BODY SEAT, SAID MOUNTING INCLUDING FIRST AND SECOND ROTATABLE ECCENTRICS, SAID FIRST ECCENTRIC BEING CONCENTRICALLY DISPOSED WITHIN SAID SECOND ECCENTRIC, EACH ECCENTRIC HAVING A MAJOR PORTION AND A MINOR PORTION, SAID ECCENTRICS BEING ROTATABLE ABOUT THEIR AXES OF ROTATION INDEPENDENTLY OF SAID DISK AND BEING ROTATABLE IN OPPOSITE DIRECTIONS TO EACH OTHER, ROTATION OF SAID TWO ECCENTRICS IN OPPOSITE DIRECTIONS TO EACH OTHER MOVING SAID DISK ALONG A PATH SUBSTANTIALLY NORMAL TO THE PLANE OF SAID SEAT BETWEEN A FIRST POSITION WHEREAT SAID DISK IS IN ENGAGEMENT WITH SAID SEAT AND A SECOND POSITION WHEREAT SAID
Claim 2
Dependent Claim
219 words
IN A SHUTTER VALVE HAVING A BODY THROUGH WHICH EXTENDS A PASSAGEWAY FOR FLOW OF FLUID THERETHROUGH, SAID PASSAGEWAY HAVING AN INLET AND AN OUTLET, A BODY SEAT INTERPOSED BETWEEN SAID INLET AND AN OUTLET, THE INVENTION COMPRISING A DISK DISPOSED IN SAID PASSAGEWAY AND MOVABLE INTO AND OUT OF ENGAGEMENT WITH SAID SEAT FOR REGULATION OF FLOW OF SAID FLUID THROUGH SAID VALVE, A SHAFT JOINED TO SAID DISK AND HAVING A MOUNTING UPON SAID BODY WHICH PERMITS ROTATION OF SAID DISK ABOUT AN AXIS DISPOSED SUBSTANTIALLY TRNSVERSELY OF THE CENTRAL AXIS OF AN OPENING FORMED BY SAID BODY SEAT, ROTATION OF SAID DISK ABOUT SAID AXIS OF ROTATION INCLUDING PLACING SAME IN A PLANE SUBSTANTIALLY PARALLEL TO THE PLANE OF SAID BODY SEAT, SAID MOUNTING INCLUDING FIRST AND SECOND ROTATABLE ECCENTRICS, SAID FIRST ECCENTRIC BEING CONCENTRICALLY DISPOSED WITHIN SAID SECOND ECCENTRIC, EACH ECCENTRIC HAVING A MAJOR PORTION AND A MINOR PORTION, SAID ECCENTRICS BEING ROTATABLE ABOUT THEIR AXES OF ROTATION INDEPENDENTLY OF SAID DISK AND BEING ROTATABLE IN OPPOSITE DIRECTIONS TO EACH OTHER, ROTATION OF SAID TWO ECCENTRICS IN OPPOSITE DIRECTIONS TO EACH OTHER MOVING SAID DISK ALONG A PATH SUBSTANTIALLY NORMAL TO THE PLANE OF SAID SEAT BETWEEN A FIRST POSITION WHEREAT SAID DISK IS IN ENGAGEMENT WITH SAID SEAT AND A SECOND POSITION WHEREAT SAID
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |