US3288534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous miner having relatively adjustable transmission housings for boring shafts
Assignee: Westinghouse Air Brake Co
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Filing: 1964-04-22
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Granted: 1966-11-29
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Expires: 1984-04-22
Abstract
No abstract record available.
Inventors
- 👤 Gonski Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:58
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/1957
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A VARIABLE SPACING MULTIPLE BORING HEAD ASSEMBLY AND IN COMBINATION WITH A CONTINUOUS MINING MACHINE, A MAIN SUPPORTING HOUSING, A PLURALITY OF PARALLEL BORING SHAFTS SUPPORTED BY SAID MAIN SUPPORTING HOUSING, AT LEAST ONE AUXILIARY HOUSING CARRIED BY SAID MAIN SUPPORTING HOUSING FOR PIVOTAL ADJUSTMENT ABOUT AN AXIS PARALLEL TO ONE OF SAID BORING SHAFTS, MEANS DETACHABLY HOLDING SAID AUXILIARY HOUSING IN ADJUSTMENT WITH RESPECT TO SAID MAIN HOUSING SAID ONE BORING SHAFT BEING CARRIED BY SAID AUXILIARY HOUSING, TRANSMISSION MEANS CARRIED BY SAID MAIN SUPPORTING HOUSING FOR DRIVING SAID BORING SHAFTS SIMULTANEOUSLY INCLUDING A CONNECTING SHAFT EXTENDING BETWEEN THE MAIN AND AUXILIARY HOUSINGS AND JOURNALLED FOR ROTATION ABOUT THE AXIS OF PIVOTAL ADJUSTMENT OF SAID AUXILIARY HOUSING WHEREBY THE POSITION OF SAID ONE BORING SHAFT ON THE MAIN SUPPORTING HOUSING CAN BE VARIED BY PIVOTALLY ADJUSTING SAID AUXILIARY HOUSING ABOUT SAID CONNECTING SHAFT.
Claim 2
Dependent Claim
145 words
IN A VARIABLE SPACING MULTIPLE BORING HEAD ASSEMBLY AND IN COMBINATION WITH A CONTINUOUS MINING MACHINE, A MAIN SUPPORTING HOUSING, A PLURALITY OF PARALLEL BORING SHAFTS SUPPORTED BY SAID MAIN SUPPORTING HOUSING, AT LEAST ONE AUXILIARY HOUSING CARRIED BY SAID MAIN SUPPORTING HOUSING FOR PIVOTAL ADJUSTMENT ABOUT AN AXIS PARALLEL TO ONE OF SAID BORING SHAFTS, MEANS DETACHABLY HOLDING SAID AUXILIARY HOUSING IN ADJUSTMENT WITH RESPECT TO SAID MAIN HOUSING SAID ONE BORING SHAFT BEING CARRIED BY SAID AUXILIARY HOUSING, TRANSMISSION MEANS CARRIED BY SAID MAIN SUPPORTING HOUSING FOR DRIVING SAID BORING SHAFTS SIMULTANEOUSLY INCLUDING A CONNECTING SHAFT EXTENDING BETWEEN THE MAIN AND AUXILIARY HOUSINGS AND JOURNALLED FOR ROTATION ABOUT THE AXIS OF PIVOTAL ADJUSTMENT OF SAID AUXILIARY HOUSING WHEREBY THE POSITION OF SAID ONE BORING SHAFT ON THE MAIN SUPPORTING HOUSING CAN BE VARIED BY PIVOTALLY ADJUSTING SAID AUXILIARY HOUSING ABOUT SAID CONNECTING SHAFT.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |