Patent US3724646A successfully refreshed from Google Patents.
US3724646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless belt conveyor
Assignee: Kornylak Corp
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Filing: 1970-02-19
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Granted: 1973-04-03
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Expires: 1990-02-19
Abstract
Abstract An endless belt conveyor comprising an open ended elongated tube and a belt having one run supported on the surface of the tube and the return run mounted in the tube. The belt and the surface of the tube are similarly contoured to provide stability for the belt on the tube and to provide for transport of specific loads.
Inventors
- 👤 A Kornylak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:10
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
93 words
A conveyor comprising an elongated support having a surface and an endless belt of uniform cross-section having a run thereoF in contact with said surface of the support for movement along its length, the belt being preformed into a concave form in cross-section, the surface of the support conforming to the preformed shape of the belt and cooperating therewith to minimize lateral movement of the belt relative to said surface, the belt being preformed to be concave upwardly on the support and to have its marginal edge portions turned downwardly on said support.
Claim 2
Dependent Claim
93 words
A conveyor comprising an elongated support having a surface and an endless belt of uniform cross-section having a run thereoF in contact with said surface of the support for movement along its length, the belt being preformed into a concave form in cross-section, the surface of the support conforming to the preformed shape of the belt and cooperating therewith to minimize lateral movement of the belt relative to said surface, the belt being preformed to be concave upwardly on the support and to have its marginal edge portions turned downwardly on said support.
Claim 3
Dependent Claim
13 words
A conveyor according to claim 1 wherein the belt is of concavo-convex form.
Claim 4
Dependent Claim
24 words
A conveyor according to claim 2 wherein the support is tubular in cross-section, the return run of the belt being located within the support.
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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |