US3395940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lateral augering miner with a flat loop conveyor
Assignee: Salem Tool Co
•
Filing: 1965-05-06
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Granted: 1968-08-06
•
Expires: 1985-05-06
Abstract
No abstract record available.
Inventors
- 👤 William G Young
- 👤 Frederick G Horning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:03
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN AUGER MINING MACHINE HAVING A MAIN FRAME INCLUDING A MID FRAME AND SUPPORTED ON INDEPENDENTLY OPERABLE PROPULSION MECHANISM WITH QUADRANGULARLY DISPOSED JACKS TO RAISE THE MACHINE ABOVE THE GROUND SURFACE TO SUPPORT AND POSITION A ROTARY AUGER MINING MECHANISM WITH A ROTARY DRIVE MOVABLE BY A FEEDING MECHANISM TO MINE IN EITHER DIRECTION LATERALLY OF A PAN ON SAID MID FRAME AND DELIVER THE MINE MATERIAL TO THE MINE FACE, EXTENDABLE AND RETRACTABLE GUIDE PLATES SLIDABLY SUPPORTED TO MOVE LATERALLY IN EITHER DIRECTION ON SAID PAN, DOUBLE ACTING CYLINDERS SUPPORTED ON SAID MID FRAME TO INDEPENDENTLY MOVE THE GUIDE PLATES FOR SUPPORTING THE AUGER MINING MECHANISM IN THE LATERAL DIRECTION OF MINING.
Claim 2
Dependent Claim
113 words
AN AUGER MINING MACHINE HAVING A MAIN FRAME INCLUDING A MID FRAME AND SUPPORTED ON INDEPENDENTLY OPERABLE PROPULSION MECHANISM WITH QUADRANGULARLY DISPOSED JACKS TO RAISE THE MACHINE ABOVE THE GROUND SURFACE TO SUPPORT AND POSITION A ROTARY AUGER MINING MECHANISM WITH A ROTARY DRIVE MOVABLE BY A FEEDING MECHANISM TO MINE IN EITHER DIRECTION LATERALLY OF A PAN ON SAID MID FRAME AND DELIVER THE MINE MATERIAL TO THE MINE FACE, EXTENDABLE AND RETRACTABLE GUIDE PLATES SLIDABLY SUPPORTED TO MOVE LATERALLY IN EITHER DIRECTION ON SAID PAN, DOUBLE ACTING CYLINDERS SUPPORTED ON SAID MID FRAME TO INDEPENDENTLY MOVE THE GUIDE PLATES FOR SUPPORTING THE AUGER MINING MECHANISM IN THE LATERAL DIRECTION OF MINING.
References Cited (Backward Citations)
SU166288A1
Cited
CA556484A
Cited
US1200205A
Cited
US1445085A
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US1815981A
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US3158211A
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US3091439A
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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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |