US3222854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swing-knife mounting
Assignee: Jacobsen Manufacturing Co
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Filing: 1964-03-02
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Granted: 1965-12-14
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Expires: 1984-03-02
Abstract
No abstract record available.
Inventors
- 👤 John W Barth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:50
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/52; A01D34/535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A SWING-KNIFE ASSEMBLY COMPRISING IN COMBINATION A ROTATABLE AND POLYGONALLY-SHAPED SHAFT, A PAIR OF PLATES HAVING POLYGONALLY-SHAPED OPENINGS RECEIVING SAID SHAFT FOR ROTATION THEREWITH AND EXTENDING FROM SAID SHAFT AND HAVING AXIALLY ALIGNED OPENINGS IN THE EXTENDING PORTIONS, A PIN REMOVABLY DISPOSED IN SAID ALIGNED OPENINGS AND EXTENDING BEYOND BOTH SAID PLEATES, A KNIFE REMOVABLY MOUNTED ON SAID PIN INTERMEDIATE SAID PLATES AND BEING RADIALLY EXTENDABLE UNDER CENTRIFUGAL FORCE OF ROTATION OF SAID SHAFT AND BEING RADIALLY RECTRACTABLE, SAID SHAFT SAND SAID PIN HAVING GROOVES THEREIN AXIALLY BEYOND SAID PLATE AND ADJACENT THERETO, AND A SPRING CLIP DISPOSED IN SAID GROOVES AND EXTENDING BETWEEN SAID SHAFT AND SAID PIN AND PARTLY AROUND BOTH ON OPPOSITE SIDES THEREOF AND ADAPTED TO BE RELEASABLY SPRING-LOADED ON BOTH AND BEING IN AXIAL INTERFERENCE FIT WITH SAID PLATES FOR RETAINING AND SPACING THE LATTER ON SAID SHAFT AND SAID PIN.
Claim 2
Dependent Claim
146 words
A SWING-KNIFE ASSEMBLY COMPRISING IN COMBINATION A ROTATABLE AND POLYGONALLY-SHAPED SHAFT, A PAIR OF PLATES HAVING POLYGONALLY-SHAPED OPENINGS RECEIVING SAID SHAFT FOR ROTATION THEREWITH AND EXTENDING FROM SAID SHAFT AND HAVING AXIALLY ALIGNED OPENINGS IN THE EXTENDING PORTIONS, A PIN REMOVABLY DISPOSED IN SAID ALIGNED OPENINGS AND EXTENDING BEYOND BOTH SAID PLEATES, A KNIFE REMOVABLY MOUNTED ON SAID PIN INTERMEDIATE SAID PLATES AND BEING RADIALLY EXTENDABLE UNDER CENTRIFUGAL FORCE OF ROTATION OF SAID SHAFT AND BEING RADIALLY RECTRACTABLE, SAID SHAFT SAND SAID PIN HAVING GROOVES THEREIN AXIALLY BEYOND SAID PLATE AND ADJACENT THERETO, AND A SPRING CLIP DISPOSED IN SAID GROOVES AND EXTENDING BETWEEN SAID SHAFT AND SAID PIN AND PARTLY AROUND BOTH ON OPPOSITE SIDES THEREOF AND ADAPTED TO BE RELEASABLY SPRING-LOADED ON BOTH AND BEING IN AXIAL INTERFERENCE FIT WITH SAID PLATES FOR RETAINING AND SPACING THE LATTER ON SAID SHAFT AND SAID PIN.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |