US3179240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt conveyor and magnetic training means
Assignee: Individual
•
Filing: 1963-10-22
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Granted: 1965-04-20
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Expires: 1983-10-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Kain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:43
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/58; B65G21/00; B65G21/20; B65G21/2009; B65G21/2018; B65G2201/00; B65G2201/06; Y; Y10; Y10S; Y10S425/00; Y10S425/033; Y10S425/055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A CONVEYOR COMPRISING AN ELONGATED, CONTINUOUS CONVEYOR BELT OF APPRECIABLE THICKNESS, MEANS FOR SUPPORTING THE BELT IN ITS TRAVEL, SAID BELT BEING UNCONFINED ALONG ITS SIDE EDGES ALLOWING FOR A TENDENCY TO SHIFT LATERALLY UNLESS CONTROLLED, SAID BELT BEING OF FABRIC AND RUBBER PILES, BEING OF SUBSTANTIALLY WIDTH AND HAVING INCORPORATED THEREIN, CENTRALLY OF ITS WIDTH, A LONGITUDINALLY EXTENDING FLEXIBLE STRIP OF MAGNETICALLY RESPONSIVE MATERIAL OF SUBSTANTIALLY LESS WIDTH THAN THAT OF THE BELT, A MAGNET MEANS OF A NARROW WIDTH COMPARABLE TO THAT OF THE FLEXIBLE STRIP FIXEDLY SUPPORTED INDEPENDENTLY OF THE BELT IN A POSITION CENTRALLY AND CLOSELY BELOW THE UNDER SURFACE OF THE BELT IN ALIGNMENT WITH THE PATH OF THE STRIP OF MAGNETICALLY RESPONSIVE MATERIAL, WHEREBY, DURING TRAVEL OF THE BELT, SAID STRIP WILL BE CONSTRAINED TO TRAVEL IN PREDETERMINED RELATION TO THE MAGNET MEANS THROUGH ITS MAGNETIC FIELD, THEREBY RESISTING FORCES TENDING TO CAUSE THE BELT TO DEVIATE FROM A FIXED PATH OF TRAVEL.
Claim 2
Dependent Claim
159 words
A CONVEYOR COMPRISING AN ELONGATED, CONTINUOUS CONVEYOR BELT OF APPRECIABLE THICKNESS, MEANS FOR SUPPORTING THE BELT IN ITS TRAVEL, SAID BELT BEING UNCONFINED ALONG ITS SIDE EDGES ALLOWING FOR A TENDENCY TO SHIFT LATERALLY UNLESS CONTROLLED, SAID BELT BEING OF FABRIC AND RUBBER PILES, BEING OF SUBSTANTIALLY WIDTH AND HAVING INCORPORATED THEREIN, CENTRALLY OF ITS WIDTH, A LONGITUDINALLY EXTENDING FLEXIBLE STRIP OF MAGNETICALLY RESPONSIVE MATERIAL OF SUBSTANTIALLY LESS WIDTH THAN THAT OF THE BELT, A MAGNET MEANS OF A NARROW WIDTH COMPARABLE TO THAT OF THE FLEXIBLE STRIP FIXEDLY SUPPORTED INDEPENDENTLY OF THE BELT IN A POSITION CENTRALLY AND CLOSELY BELOW THE UNDER SURFACE OF THE BELT IN ALIGNMENT WITH THE PATH OF THE STRIP OF MAGNETICALLY RESPONSIVE MATERIAL, WHEREBY, DURING TRAVEL OF THE BELT, SAID STRIP WILL BE CONSTRAINED TO TRAVEL IN PREDETERMINED RELATION TO THE MAGNET MEANS THROUGH ITS MAGNETIC FIELD, THEREBY RESISTING FORCES TENDING TO CAUSE THE BELT TO DEVIATE FROM A FIXED PATH OF TRAVEL.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |