US3261451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat wire conveyor belt having tapered pin slots
Assignee: Ashworth Bros Inc
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Filing: 1964-06-29
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Granted: 1966-07-19
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Roinestad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:34
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/063; B65G17/064; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A FLAT WIRE CONVEYOR BELT COMPRISING A PLURALITY OF CONTINUOUS TRANSVERSE TRACTIVE LINKS OF FLAT WIRE, EACH OF SAID LINKS PROVIDING A PLURALITY OF LATERALLY SPACED TRACTIVE WIRE MEMBERS EXTENDING IN THE GENERAL DIRECTION OF NORMAL STRAIGHT BELT TRAVEL, EACH OF SAID MEMBERS HAVING SUBSTANTIALLY PARALLEL TOP AND BOTTOM EDGES WITH A PAIR OF LONGITUDINALLY SPACED SLOTS EXTENDING LATERALLY THROUGH THE SIDES OF SAID MEMBERS, SAID SLOTS HAVING A LONG DIMENSION EXTENDING IN THE NORMAL DIRECTION OF BELT TRAVEL, A PLURALITY OF PIVOTAL TRACTIVE CROSS PINS EXTENDING THROUGH SAID SLOTS TO INTERCONNECT SAID LINKS, SAID CROSS PINS BEING SLIDABLE ALONG SAID SLOTS TO PERMIT THE COLLAPSE OF EITHER EDGE OF THE BELT DURING TRAVEL AROUND LATERAL CURVES EDGEWISE OF THE BELT, THE SLOTS IN AT LEAST THOSE OF SAID MEMBERS ADJACENT THE MARGINAL EDGES OF THE BELT WHICH ARE SUBJECTED TO REPEATED FLEXING DURING OPERATION OF THE BELT HAVING NONPARALLEL TOP AND BOTTOM SIDES WHICH DIVERGE FROM THE ENDS TOWARD THE MIDDLE OF THE RESPECTIVE MEMBERTS TO MINIMIZE FATIGUE FAILURE OF SAID MEMBERS AT SAID SLOTS.
Claim 2
Dependent Claim
176 words
A FLAT WIRE CONVEYOR BELT COMPRISING A PLURALITY OF CONTINUOUS TRANSVERSE TRACTIVE LINKS OF FLAT WIRE, EACH OF SAID LINKS PROVIDING A PLURALITY OF LATERALLY SPACED TRACTIVE WIRE MEMBERS EXTENDING IN THE GENERAL DIRECTION OF NORMAL STRAIGHT BELT TRAVEL, EACH OF SAID MEMBERS HAVING SUBSTANTIALLY PARALLEL TOP AND BOTTOM EDGES WITH A PAIR OF LONGITUDINALLY SPACED SLOTS EXTENDING LATERALLY THROUGH THE SIDES OF SAID MEMBERS, SAID SLOTS HAVING A LONG DIMENSION EXTENDING IN THE NORMAL DIRECTION OF BELT TRAVEL, A PLURALITY OF PIVOTAL TRACTIVE CROSS PINS EXTENDING THROUGH SAID SLOTS TO INTERCONNECT SAID LINKS, SAID CROSS PINS BEING SLIDABLE ALONG SAID SLOTS TO PERMIT THE COLLAPSE OF EITHER EDGE OF THE BELT DURING TRAVEL AROUND LATERAL CURVES EDGEWISE OF THE BELT, THE SLOTS IN AT LEAST THOSE OF SAID MEMBERS ADJACENT THE MARGINAL EDGES OF THE BELT WHICH ARE SUBJECTED TO REPEATED FLEXING DURING OPERATION OF THE BELT HAVING NONPARALLEL TOP AND BOTTOM SIDES WHICH DIVERGE FROM THE ENDS TOWARD THE MIDDLE OF THE RESPECTIVE MEMBERTS TO MINIMIZE FATIGUE FAILURE OF SAID MEMBERS AT SAID SLOTS.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |