US3279588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor
Assignee: Cambridge Wire Cloth Co
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Filing: 1963-12-06
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Granted: 1966-10-18
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Donald E Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:37
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/067; B65G17/10; B65G2201/00; B65G2201/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
AN APRON CONVEYOR COMPRISING: A PAIR OF LATERALLY SPACED LONGITUDINALLY EXTENDING CONTINUOUS CHAIN MEMBERS; A PLURALITY OF PAIRS OF LONGITUDINALLY EXTENDING SUPPORT MEMBERS, THE MEMBERS OF EACH PAIR BEING TRANSVERSELY SPACED AND SUBSTANTIALLY PARALLEL TO THE CHAIN MEMBERS AND INCLUDING MEANS FOR SECURING EACH SUPPORT MEMBER TO A CHAIN MEMBER, EACH PAIR OF SUPPORT MEMBERS BEING LONGITUDINALLY SPACED FROM THE ADJACENT PAIR OF SUPPORT MEMBERS, AND EACH SUPPORT MEMBER HAVING A LATERAL SURFACE EXTENDING SUBSTANTIALLY COPLANAR WITH THE LATERAL SURFACE OF THE OTHER SUPPORT MEMBERS; A PLURALITY OF SUPPORT MEANS, EACH SUPPORT MEANS EXTENDING BETWEEN AND SECURED TO A PAIR OF LONGITUDINALLY EXTENDING SUPPORT MEMBERS, EACH SUPPORT MEANS HAVING A LONGITUDINAL COMPONENT FOR OFFERING RESISTANCE TO BUCKLING, AND THE DEPTH OF EACH SUPPORT MEANS BEING CONSIDERABLY GREATER THAN THE WIDTH OF THE SUPPORT MEANS SO AS TO PREVENT DEFLECTION WHILE ALLOWING CIRCULATION OF CONDITIONING MEDIA THROUGH EACH SUPPORT MEANS WITH MINIMUM INTERFERENCE, THE UPPER EDGES OF THE SUPPORT MEANS AND THE LATERAL SURFACE OF THE LONGITUDINALLY EXTENDING SUPPORT MEMBERS BEING SUBSTANTIALLY COPLANAR; AND A WIRE CLOTH BELT SECURED TO AND LYING ON TOP OF THE LATERAL SURFACES OF THE SUPPORT MEMBERS AND BEING ADDITIONALLY SUPPORTED BY THE UPPER EDGES OF THE SUPPORT MEANS.
Claim 2
Dependent Claim
203 words
AN APRON CONVEYOR COMPRISING: A PAIR OF LATERALLY SPACED LONGITUDINALLY EXTENDING CONTINUOUS CHAIN MEMBERS; A PLURALITY OF PAIRS OF LONGITUDINALLY EXTENDING SUPPORT MEMBERS, THE MEMBERS OF EACH PAIR BEING TRANSVERSELY SPACED AND SUBSTANTIALLY PARALLEL TO THE CHAIN MEMBERS AND INCLUDING MEANS FOR SECURING EACH SUPPORT MEMBER TO A CHAIN MEMBER, EACH PAIR OF SUPPORT MEMBERS BEING LONGITUDINALLY SPACED FROM THE ADJACENT PAIR OF SUPPORT MEMBERS, AND EACH SUPPORT MEMBER HAVING A LATERAL SURFACE EXTENDING SUBSTANTIALLY COPLANAR WITH THE LATERAL SURFACE OF THE OTHER SUPPORT MEMBERS; A PLURALITY OF SUPPORT MEANS, EACH SUPPORT MEANS EXTENDING BETWEEN AND SECURED TO A PAIR OF LONGITUDINALLY EXTENDING SUPPORT MEMBERS, EACH SUPPORT MEANS HAVING A LONGITUDINAL COMPONENT FOR OFFERING RESISTANCE TO BUCKLING, AND THE DEPTH OF EACH SUPPORT MEANS BEING CONSIDERABLY GREATER THAN THE WIDTH OF THE SUPPORT MEANS SO AS TO PREVENT DEFLECTION WHILE ALLOWING CIRCULATION OF CONDITIONING MEDIA THROUGH EACH SUPPORT MEANS WITH MINIMUM INTERFERENCE, THE UPPER EDGES OF THE SUPPORT MEANS AND THE LATERAL SURFACE OF THE LONGITUDINALLY EXTENDING SUPPORT MEMBERS BEING SUBSTANTIALLY COPLANAR; AND A WIRE CLOTH BELT SECURED TO AND LYING ON TOP OF THE LATERAL SURFACES OF THE SUPPORT MEMBERS AND BEING ADDITIONALLY SUPPORTED BY THE UPPER EDGES OF THE SUPPORT MEANS.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |