Patent US589081A successfully refreshed from Google Patents.
US3513645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hay conditioner roll
Assignee: Unisys Corp
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Filing: 1966-04-26
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Granted: 1970-05-26
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Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 John E Garrett
- 👤 William S Korff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:14
CPC Classifications
A; A01; A01D; A01D82/00; A01D82/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A ROLL ASSEMBLY FOR USE ON A HAY CONDITIONING MACHINE COMPRISING: (A) A PAIR OF INTERMESHING ROLLS DISPOSED IN ADJACENT PARALLEL RELATIONSHIP, EACH OF SAID ROLLS COMPRISING, (1) AN ELONGATED CYLINDRICAL ELASTOMERIC BODY PORTION; AND (2) A PLURLAITY OF SUBSTANTIALLY IDENTICAL INTEGRAL RADIALLY OUTWARDLY EXTENDING RIBS EQUALLY SPACED AND EXTENDING AROUND THE PERIPHERY OF SAID BODY PORTION, SAID RIBS FORMING A PLURALITY OF CHEVRON SHAPED MEMBERS THEREON WITH A GROVE OF SIMILAR CONTOUR BETWEEN EACH ADJACENT PAIR OF RIBS; (3) THE OPPOSITE SIDES OF EACH RIB BEIGN SUBSTANTIALLY PARALLEL BUT INCLINED AT A RADIALLY OUTWARDLY DIVERGING ANGLE WITH RESPECT TO THE NEAREST SIDE OF THE ADJACENT RIB; (4) THE CHEVRON PATTERN OF THE RIBS AND GROOVES OF ONE ROLL BEING OF OPPOSITE CONTOUR TO THOSE OF THE OTHER ROLL OF SAID PAIR, TO PERMIT CONTINUOUS INTERMESHING OF THE RIBS AND GROOVES OF ONE ROLL WITH THOSE OF THE OTHER AS THE ROLLS ROTATE WHEREIN THE RIBS OF EACH ROLL EXTEND INTO THE GROOVES OF THE OTHER ROLL TO SIMULTANEOUSLY CRUSH AND CRIMP HAY PASSING THEREBETWEEN.
Claim 2
Dependent Claim
175 words
A ROLL ASSEMBLY FOR USE ON A HAY CONDITIONING MACHINE COMPRISING: (A) A PAIR OF INTERMESHING ROLLS DISPOSED IN ADJACENT PARALLEL RELATIONSHIP, EACH OF SAID ROLLS COMPRISING, (1) AN ELONGATED CYLINDRICAL ELASTOMERIC BODY PORTION; AND (2) A PLURLAITY OF SUBSTANTIALLY IDENTICAL INTEGRAL RADIALLY OUTWARDLY EXTENDING RIBS EQUALLY SPACED AND EXTENDING AROUND THE PERIPHERY OF SAID BODY PORTION, SAID RIBS FORMING A PLURALITY OF CHEVRON SHAPED MEMBERS THEREON WITH A GROVE OF SIMILAR CONTOUR BETWEEN EACH ADJACENT PAIR OF RIBS; (3) THE OPPOSITE SIDES OF EACH RIB BEIGN SUBSTANTIALLY PARALLEL BUT INCLINED AT A RADIALLY OUTWARDLY DIVERGING ANGLE WITH RESPECT TO THE NEAREST SIDE OF THE ADJACENT RIB; (4) THE CHEVRON PATTERN OF THE RIBS AND GROOVES OF ONE ROLL BEING OF OPPOSITE CONTOUR TO THOSE OF THE OTHER ROLL OF SAID PAIR, TO PERMIT CONTINUOUS INTERMESHING OF THE RIBS AND GROOVES OF ONE ROLL WITH THOSE OF THE OTHER AS THE ROLLS ROTATE WHEREIN THE RIBS OF EACH ROLL EXTEND INTO THE GROOVES OF THE OTHER ROLL TO SIMULTANEOUSLY CRUSH AND CRIMP HAY PASSING THEREBETWEEN.
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) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |