Patent US3333678A successfully refreshed from Google Patents.
US3333678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover plate for conveyor belt
Assignee: Ashworth Bros Inc
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Filing: 1966-03-16
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Granted: 1967-08-01
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Expires: 1986-03-16
Abstract
No abstract record available.
Inventors
- 👤 Rodman John Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:28
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/067; B65G17/068; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A COVER PLATE FOR USE WITH A CONVEYOR BELT HAVING A SUPPORT ROD EXTENDING TRANSVERSELY OF THE PATH OF MOVEMENT OF SAID BELT, SAID COVER PLATE COMPRISING: A GENERALLY U-SHAPED ELEMENT INCLUDING A LEADING PORTION AND A TRAILING PORTION, SAID LEADING PORTION HAVING A FIRST DIMENSION NORMAL TO THE PLANE OF THE CONVEYOR BELT; MEANS ASSOCIATED WITH SAID LEADING PORTION FOR PIVOTALLY CONNECTING SAID ELEMENT TO THE ROD FOR MOVING SAID ELEMENT WITH SAID BELT; AND SAID TRAILING PORTION INCLUDING A PAIR OF GENERALLY PARALLEL, FREELY EXTENDING SPACED LEGS DISPOSED ON OPPOSITE SURFACES OF SAID BELT AND EXTENDING REARWARDLY OF SAID LEADING PORTION, SAID LEGS BEING SPACED APART A DISTANCE GREATER THAN THE FIRST DIMENSION OF SAID ELEMENT DEFINING THEREBETWEEN A GROOVE EXTENDING GENERALLY PARALLEL TO SAID ROD, SAID GROOVE HAVING OPEN ENDS.
Claim 2
Dependent Claim
133 words
A COVER PLATE FOR USE WITH A CONVEYOR BELT HAVING A SUPPORT ROD EXTENDING TRANSVERSELY OF THE PATH OF MOVEMENT OF SAID BELT, SAID COVER PLATE COMPRISING: A GENERALLY U-SHAPED ELEMENT INCLUDING A LEADING PORTION AND A TRAILING PORTION, SAID LEADING PORTION HAVING A FIRST DIMENSION NORMAL TO THE PLANE OF THE CONVEYOR BELT; MEANS ASSOCIATED WITH SAID LEADING PORTION FOR PIVOTALLY CONNECTING SAID ELEMENT TO THE ROD FOR MOVING SAID ELEMENT WITH SAID BELT; AND SAID TRAILING PORTION INCLUDING A PAIR OF GENERALLY PARALLEL, FREELY EXTENDING SPACED LEGS DISPOSED ON OPPOSITE SURFACES OF SAID BELT AND EXTENDING REARWARDLY OF SAID LEADING PORTION, SAID LEGS BEING SPACED APART A DISTANCE GREATER THAN THE FIRST DIMENSION OF SAID ELEMENT DEFINING THEREBETWEEN A GROOVE EXTENDING GENERALLY PARALLEL TO SAID ROD, SAID GROOVE HAVING OPEN ENDS.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |