US3284138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planer mining machine with adjustable tripod guide
Assignee: Gewerkschaft Eisenhutte Westfalia GmbH
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Filing: 1963-07-09
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Granted: 1966-11-08
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Binaut Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:42
CPC Classifications
E; E21; E21F; E21F13/00; E21F13/06; E21F13/061; E21C; E21C35/00; E21C35/08; E21C35/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
MINING ARRANGEMENT WHICH COMPRISES ELONGATED ANGULARLY ADJUSTABLE TRIPOD GUIDE MEANS ADAPTED TO BE POSITIONED ADJACENT A MINE FACE IN SUBSTANTIALLY RIGID CLAMPING ENGAGEMENT WITH BOTH THE MINE FLOOR AND MINE ROOF THEREAT FOR GUIDING A MINING MACHINE BACK AND FORTH THERALONG IN RELATIVELY STABLE OPERATIVE ENGAGEMENT WITH THE MINE FACE FOR EXTRACTING MINERAL THEREFROM, INCLUDING FORWARDLY EXTENDING BASE LEG MEANS FOR DISPOSITION ADJACENT THE MINE FACE AND HAVING A LOWER FORWARD PORTION EXTENDING FOR SUPPORTING CONTAAT WITH THE MINE FACE AND MINE FLOOR THEREAT, UPWARDLY EXTENDING ROOF LEG MEANS FOR SUPPORTING CONTACT WITH THE MINE ROOF THEREAT, AND REARWARDLY EXTENDING REINFORCEMENT LEG MEANS FOR SUPPORTING CONTACT WITH THE MINE FLOOR THEREAT AT A POINT SPACED REARWARLDY FROM THE POINT AT WHICH SAID BASE LEG MEANS IS DIPOSED FOR SUCH SUPPORTING CONTACT WITH THE MINE FLOOR, AT LEAST ONE OF SAID LEG MEANS BEING ANGULARLY ADJUSTABLY MOUNTED WITH RESPECT TO SAID TRIPOD GUIDE MEANS AND PROVIDED WITH RESPECTIVE FORCE URGING MEANS OPERATIVELY INTERCONNECTING SUCH ANGULARLY ADJUSTABLE LEG WITH SAID TRIPOD GUIDE MEANS FOR ACHIEVING SUCH SUBSTANTIALLY RIGID CLAMPING ENGAGEMENT WITH BOTH SAID MINE ROOF AND MINE FLOOR OF SAID LEG MEANS UNDER THE CLAMPING FORCE OF SAID URGING MEANS.
Claim 2
Dependent Claim
198 words
MINING ARRANGEMENT WHICH COMPRISES ELONGATED ANGULARLY ADJUSTABLE TRIPOD GUIDE MEANS ADAPTED TO BE POSITIONED ADJACENT A MINE FACE IN SUBSTANTIALLY RIGID CLAMPING ENGAGEMENT WITH BOTH THE MINE FLOOR AND MINE ROOF THEREAT FOR GUIDING A MINING MACHINE BACK AND FORTH THERALONG IN RELATIVELY STABLE OPERATIVE ENGAGEMENT WITH THE MINE FACE FOR EXTRACTING MINERAL THEREFROM, INCLUDING FORWARDLY EXTENDING BASE LEG MEANS FOR DISPOSITION ADJACENT THE MINE FACE AND HAVING A LOWER FORWARD PORTION EXTENDING FOR SUPPORTING CONTAAT WITH THE MINE FACE AND MINE FLOOR THEREAT, UPWARDLY EXTENDING ROOF LEG MEANS FOR SUPPORTING CONTACT WITH THE MINE ROOF THEREAT, AND REARWARDLY EXTENDING REINFORCEMENT LEG MEANS FOR SUPPORTING CONTACT WITH THE MINE FLOOR THEREAT AT A POINT SPACED REARWARLDY FROM THE POINT AT WHICH SAID BASE LEG MEANS IS DIPOSED FOR SUCH SUPPORTING CONTACT WITH THE MINE FLOOR, AT LEAST ONE OF SAID LEG MEANS BEING ANGULARLY ADJUSTABLY MOUNTED WITH RESPECT TO SAID TRIPOD GUIDE MEANS AND PROVIDED WITH RESPECTIVE FORCE URGING MEANS OPERATIVELY INTERCONNECTING SUCH ANGULARLY ADJUSTABLE LEG WITH SAID TRIPOD GUIDE MEANS FOR ACHIEVING SUCH SUBSTANTIALLY RIGID CLAMPING ENGAGEMENT WITH BOTH SAID MINE ROOF AND MINE FLOOR OF SAID LEG MEANS UNDER THE CLAMPING FORCE OF SAID URGING MEANS.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |