US3334759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination stacker and reclaimer
Assignee: McDowell-Wellman Engineering Co
•
Filing: 1965-09-03
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Granted: 1967-08-08
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Ludwig Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:22
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
289 words
IN COMBINATION: (A) A TRACKWAY; (B) A FRAME MOVABLE ALONG THE TRACKWAY; (C) A BOOM CARRIED BY THE FRAME; (D) A CONVEYOR MOUNTED ON THE BOOM; (E) A SYSTEM FOR CONVEYING MATERIAL TO AND FROM THE BOOM CONVEYOR, COMPRISING IN COMBINATION: (1) A CONTINUOUS MAIN FEED CONVEYOR FOR CARRYING MATERIAL TO AND FROM THE BOOM CONVEYOR FOR CARRYING LEAST A PORTION OF SAID MAIN CONVEYOR BEING IN MATERIAL RECEIVING RELATION TO THE BOOM CONVEYOR FOR CARRYING AWAY MATERIAL RECEIVED FROM THE BOOM CONVEYOR, SAID MAIN CONVEYOR INCLUDING A TRIPPER PORTION AND HAVING A PAIR OF OPPOSING ENDS, ONE OF WHICH ENDS RECEIVES MATERIAL FOR MOVEMENT TOWARDS THE BOOM CONVEYOR; (2) A SWINGABLE CONVEYOR MOUNTED IN MATERIAL RECEIVING RELATION TO THE TRIPPER PORTION AND TRAVERSING AND EXTENDING FROM SAID TRIPPER PORTION, SAID SWINGABLE CONVEYOR BEING SPACED FARTHER FROM THE MATERIAL RECEIVING END OF SAID MAIN CONVEYOR THAN SAID FRAME ON THE TRACKWAY; (3) AN INTERMEDIATE CONVEYOR IN MATERIAL RECEIVING RELATION TO THE SWINGABLE CONVEYOR AND MATERIAL DUMPING RELATION TO THE BOOM CONVEYOR, EXTENDING BETWEEN THE SWINGABLE CONVEYOR AND BOOM CONVEYOR FOR RECEIVING MATERIAL FROM SAID SWINGABLE CONVEYOR AND DUMPING IT ON SAID BOOM CONVEYOR; AND (4) MEANS FOR SWINGING THE SWINGABLE CONVEYOR TO A POSITION WHERE THE SWINGABLE CONVEYOR IS SUBSTANTIALLY ALIGNED WITH THE MAIN CONVEYOR AND IN MATERIAL RECEIVING RELATION AND DUMPING RELATION THERETO, SUCH THAT MATERIAL RECEIVED ON SAID SWINGABLE CONVEYOR CAN BE DUMPED BACK ONTO SAID MAIN CONVEYOR AT A POINT FARTHER SPACED FROM THE FRAME ON THE TRACKWAY THAN WHERE MATERIAL IS RECEIVED ON THE SWINGABLE CONVEYOR, SAID SWINGABLE CONVEYOR BEING POSITIONABLE TO CARRY MATERIAL BEYOND THE TRIPPER PORTION AND TOWARD THE END OF THE MAIN CONVEYOR OPPOSING THE MATERIAL RECEIVING END OF SAID MAIN CONVEYOR.
Claim 2
Dependent Claim
289 words
IN COMBINATION: (A) A TRACKWAY; (B) A FRAME MOVABLE ALONG THE TRACKWAY; (C) A BOOM CARRIED BY THE FRAME; (D) A CONVEYOR MOUNTED ON THE BOOM; (E) A SYSTEM FOR CONVEYING MATERIAL TO AND FROM THE BOOM CONVEYOR, COMPRISING IN COMBINATION: (1) A CONTINUOUS MAIN FEED CONVEYOR FOR CARRYING MATERIAL TO AND FROM THE BOOM CONVEYOR FOR CARRYING LEAST A PORTION OF SAID MAIN CONVEYOR BEING IN MATERIAL RECEIVING RELATION TO THE BOOM CONVEYOR FOR CARRYING AWAY MATERIAL RECEIVED FROM THE BOOM CONVEYOR, SAID MAIN CONVEYOR INCLUDING A TRIPPER PORTION AND HAVING A PAIR OF OPPOSING ENDS, ONE OF WHICH ENDS RECEIVES MATERIAL FOR MOVEMENT TOWARDS THE BOOM CONVEYOR; (2) A SWINGABLE CONVEYOR MOUNTED IN MATERIAL RECEIVING RELATION TO THE TRIPPER PORTION AND TRAVERSING AND EXTENDING FROM SAID TRIPPER PORTION, SAID SWINGABLE CONVEYOR BEING SPACED FARTHER FROM THE MATERIAL RECEIVING END OF SAID MAIN CONVEYOR THAN SAID FRAME ON THE TRACKWAY; (3) AN INTERMEDIATE CONVEYOR IN MATERIAL RECEIVING RELATION TO THE SWINGABLE CONVEYOR AND MATERIAL DUMPING RELATION TO THE BOOM CONVEYOR, EXTENDING BETWEEN THE SWINGABLE CONVEYOR AND BOOM CONVEYOR FOR RECEIVING MATERIAL FROM SAID SWINGABLE CONVEYOR AND DUMPING IT ON SAID BOOM CONVEYOR; AND (4) MEANS FOR SWINGING THE SWINGABLE CONVEYOR TO A POSITION WHERE THE SWINGABLE CONVEYOR IS SUBSTANTIALLY ALIGNED WITH THE MAIN CONVEYOR AND IN MATERIAL RECEIVING RELATION AND DUMPING RELATION THERETO, SUCH THAT MATERIAL RECEIVED ON SAID SWINGABLE CONVEYOR CAN BE DUMPED BACK ONTO SAID MAIN CONVEYOR AT A POINT FARTHER SPACED FROM THE FRAME ON THE TRACKWAY THAN WHERE MATERIAL IS RECEIVED ON THE SWINGABLE CONVEYOR, SAID SWINGABLE CONVEYOR BEING POSITIONABLE TO CARRY MATERIAL BEYOND THE TRIPPER PORTION AND TOWARD THE END OF THE MAIN CONVEYOR OPPOSING THE MATERIAL RECEIVING END OF SAID MAIN CONVEYOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |