Patent US3225898A successfully refreshed from Google Patents.
US3225898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible conveyor belt
Assignee: Ashworth Bros Inc
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Filing: 1964-02-26
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Granted: 1965-12-28
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Roinestad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:19
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/063; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A CONVEYOR BELT COMPRISING A PLURALITY OF SPACED ROD EXTENDING TRANSVERSELY OF THE A PATH OF MOVEMENT OF SAID BELT, A PLURALITY OF CONNECTING LINKS DISPOSED IN A PAIR OF SPACED ROWS AT THE OPPOSITE ENDS OF SAID RODS, SAID LINKS SLIDEABLY INTERCONNECTING SAID RODS TO PERMIT THE COLLAPSE OF EITHER SIDE OF THE BELT DURING TRAVEL AROUND HORIZONTAL CURVES, EACH OF SAID LINKS HAVING A BASEE PORTION AND A PAIR OF SPACED LEGS RIGIDLY CONNECTED TO THE OUTER ENDS OF SAID BASE PORTION, EACH OF SAID LEGS HAVING A PLURALITY OF STEPPED PORTIONS PARALLEL TO SAID PATH, THE STEPPED PORTIONS ON OPPOSING LEGS BEING SPACED APART A RELATIVELY NARROW DISTANCE AT SAID BASE PORTION AND A RELATIVELY WIDE DISTANCE AT THE OPPOSITE END THEREOF, SAID LINKS BEING ARRANGED IN PARTIALLY NESTED RELATION WITH NARROWER STEPPED PORTIONS OF RESPECTIVE ONES OF SAID LINKS BEING RECEIVED IN CLOSELY FITTING SLIDING RELATION WITHIN THE WIDER STEPPED PORTIONS OF ADJOINIING LINKS
Claim 2
Dependent Claim
158 words
A CONVEYOR BELT COMPRISING A PLURALITY OF SPACED ROD EXTENDING TRANSVERSELY OF THE A PATH OF MOVEMENT OF SAID BELT, A PLURALITY OF CONNECTING LINKS DISPOSED IN A PAIR OF SPACED ROWS AT THE OPPOSITE ENDS OF SAID RODS, SAID LINKS SLIDEABLY INTERCONNECTING SAID RODS TO PERMIT THE COLLAPSE OF EITHER SIDE OF THE BELT DURING TRAVEL AROUND HORIZONTAL CURVES, EACH OF SAID LINKS HAVING A BASEE PORTION AND A PAIR OF SPACED LEGS RIGIDLY CONNECTED TO THE OUTER ENDS OF SAID BASE PORTION, EACH OF SAID LEGS HAVING A PLURALITY OF STEPPED PORTIONS PARALLEL TO SAID PATH, THE STEPPED PORTIONS ON OPPOSING LEGS BEING SPACED APART A RELATIVELY NARROW DISTANCE AT SAID BASE PORTION AND A RELATIVELY WIDE DISTANCE AT THE OPPOSITE END THEREOF, SAID LINKS BEING ARRANGED IN PARTIALLY NESTED RELATION WITH NARROWER STEPPED PORTIONS OF RESPECTIVE ONES OF SAID LINKS BEING RECEIVED IN CLOSELY FITTING SLIDING RELATION WITHIN THE WIDER STEPPED PORTIONS OF ADJOINIING LINKS
References Cited (Backward Citations)
US2872023A
Cited
US3127980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |