US3145937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for conveying and separating material
Assignee: Dano of America Inc
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Filing: 1961-07-03
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Granted: 1964-08-25
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Scovel
- 👤 Benjamin G Petrucci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:52
CPC Classifications
B; B03; B03B; B03B9/00; B03B9/06; Y; Y10; Y10S; Y10S209/00; Y10S209/93; Y10S241/00; Y10S241/38; Y10T; Y10T83/00; Y10T83/768; Y10T83/7755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
APPARATUS FOR CONVEYING A LOOSE MASS OF SOLID MATERIALS INCLUDING WIRES, RAGS, AND THE LIKE, THE APPARATUS COMPRISING A CONVEYOR ON WHICH THE MATERIAL IS CARRIED, MEANS FOR DRIVING THE CONVEYOR SO THAT MATERIAL ON IT IS CARRIED FROM A FIRST POINT TO A SECOND POINT, AN ELONGATED DRUM DISPOSED OVER THE CONVEYOR TO EXTEND TRANSVERSELY TO THE DIRECTION OF CONVEYOR MOVEMENT, THE DRUM SURFACE DEFINING AN ELONGATED GROOVE, A PLURALITY OF LONGITUDINALLY SPACED AND OUTWARDLY EXTENDING SPIKES ARRANGED IN A CONTINUOUS ROW ACROSS THE SURFACE OF THE DRUM, THE GROOVE BEING DISPOSED ADJACENT AND PARALLEL TO THE ROW OF SPIKES, MEANS FOR ROTATING THE DRUM TO MOVE THE SPIKES THROUGH MATERIAL ON THE CONVEYOR, CUTTING MEANS COMPRISING A GUIDE WHEEL, A FRAME CARRIED BY THE GUIDE WHEEL, AND A CUTTING WHEEL CARRIED BY THE FRAME, THE GUIDE WHEEL BEING SHAPED TO FIT INTO THE GROOVE, AND MEANS FOR MOVING THE CUTTING MEANS ALONG THE GROOVE TO CUT AWAY WIRES, RAGS, AND THE LIKE WHICH HAVE BECOME WRAPPED AROUND THE DRUM.
Claim 2
Dependent Claim
171 words
APPARATUS FOR CONVEYING A LOOSE MASS OF SOLID MATERIALS INCLUDING WIRES, RAGS, AND THE LIKE, THE APPARATUS COMPRISING A CONVEYOR ON WHICH THE MATERIAL IS CARRIED, MEANS FOR DRIVING THE CONVEYOR SO THAT MATERIAL ON IT IS CARRIED FROM A FIRST POINT TO A SECOND POINT, AN ELONGATED DRUM DISPOSED OVER THE CONVEYOR TO EXTEND TRANSVERSELY TO THE DIRECTION OF CONVEYOR MOVEMENT, THE DRUM SURFACE DEFINING AN ELONGATED GROOVE, A PLURALITY OF LONGITUDINALLY SPACED AND OUTWARDLY EXTENDING SPIKES ARRANGED IN A CONTINUOUS ROW ACROSS THE SURFACE OF THE DRUM, THE GROOVE BEING DISPOSED ADJACENT AND PARALLEL TO THE ROW OF SPIKES, MEANS FOR ROTATING THE DRUM TO MOVE THE SPIKES THROUGH MATERIAL ON THE CONVEYOR, CUTTING MEANS COMPRISING A GUIDE WHEEL, A FRAME CARRIED BY THE GUIDE WHEEL, AND A CUTTING WHEEL CARRIED BY THE FRAME, THE GUIDE WHEEL BEING SHAPED TO FIT INTO THE GROOVE, AND MEANS FOR MOVING THE CUTTING MEANS ALONG THE GROOVE TO CUT AWAY WIRES, RAGS, AND THE LIKE WHICH HAVE BECOME WRAPPED AROUND THE DRUM.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |