US4046424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous mining machine with hinged cutter guide extensions
Assignee: INTERNATIONAL MINING TECHNOLOGIES Inc A KY CORP
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Filing: 1976-10-08
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Granted: 1977-09-06
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Expires: 1996-10-08
Abstract
Abstract A continuous mining machine having a cutter head moveably mounted on a support guide with a center portion extending across the width of a carrier. The support guide has hinged end portions so that the end portions may be swung against the side of the carrier in order that the machine may be maneuvered in restricted areas. A gathering conveyor is positioned beneath the support guide and comprises two wing portions which may also be swung against the sides of the carrier.
Inventors
- 👤 Warren G. Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:30
CPC Classifications
E; E21; E21C; E21C35/00; E21C35/20; E21C27/00; E21C27/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
142 words
a continuous mining machine having a moveable carrier, a cutter head, a horizontal support guide extending across the front end of said carrier for supporting said cutter head for slideable movement thereon, a gathering conveyor extending across the front end of said carrier parallel to and beneath said support guide, and a flight conveyor extending over the length of said carrier to convey material received from said gathering conveyor; the improvement comprising in that a guide end portion of said support guide is adapted to extend over a side edge of said carrier, and in having a guide hinge with a pivot point positioned beyond the side edge of said carrier for supporting said guide end portion whereby said guide end portion may be moved from a position extending across the carrier to a position extending along a side of the carrier.
Claim 2
Dependent Claim
142 words
a continuous mining machine having a moveable carrier, a cutter head, a horizontal support guide extending across the front end of said carrier for supporting said cutter head for slideable movement thereon, a gathering conveyor extending across the front end of said carrier parallel to and beneath said support guide, and a flight conveyor extending over the length of said carrier to convey material received from said gathering conveyor; the improvement comprising in that a guide end portion of said support guide is adapted to extend over a side edge of said carrier, and in having a guide hinge with a pivot point positioned beyond the side edge of said carrier for supporting said guide end portion whereby said guide end portion may be moved from a position extending across the carrier to a position extending along a side of the carrier.
Claim 3
Dependent Claim
71 words
A continuous mining machine according to claim 1 wherein said gathering conveyor comprises at least one wing portion adapted to extend beyond the side edge of said carrier and in having a conveyor hinge with a pivot point positioned beyond the side edge of said carrier whereby said conveyor wing portion may be moved from a position extending across the carrier to a position extending along a side of the carrier.
Claim 4
Dependent Claim
20 words
A continuous mining machine according to claim 2 wherein said gathering conveyor further comprises an auger in each wing portion.
Claim 5
Dependent Claim
49 words
A continuous mining machine according to claim 1 wherein said cutter head at an extreme end limit of its movement on said support guide has cutting portions extending beyond an end of said guide whereby the cutter head may make a kerf extending beyond the end of the guide.
Claim 6
Dependent Claim
128 words
A continuous mining machine comprising a moveable carrier, a horizontal support guide mounted on said carrier for vertical movement with said support guide having a center guide portion extending across the width of said carrier and an end guide portion at each end of said center guide portion, a rotatable circular cutter head moveably mounted on said support guide, means for rotating said cutter head, means for moving said cutter head along said support guide, means for moving said support guide vertically, and guide hinge means located beyond the side edges of said carrier and supporting said end guide portions whereby said end guide portions may be moved from a position extending parallel to said center guide portion to a position extending along a side of the carrier.
Claim 7
Dependent Claim
128 words
A continuous mining machine comprising a moveable carrier, a horizontal support guide mounted on said carrier for vertical movement with said support guide having a center guide portion extending across the width of said carrier and an end guide portion at each end of said center guide portion, a rotatable circular cutter head moveably mounted on said support guide, means for rotating said cutter head, means for moving said cutter head along said support guide, means for moving said support guide vertically, and guide hinge means located beyond the side edges of said carrier and supporting said end guide portions whereby said end guide portions may be moved from a position extending parallel to said center guide portion to a position extending along a side of the carrier.
Claim 8
Dependent Claim
68 words
A continuous mining machine according to claim 5 having in addition a gathering conveyor comprising two conveyor wing portions and a conveyor hinge means located beyond each side edge of said carrier and supporting one of said conveyor wing portions whereby said conveyor wing portions may be moved from a position extending parallel to said center guide portion to a position extending along a side of the carrier.
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) | 1980-09-05 | 1981-03-07 | 1981-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-05 | 1985-03-07 | 1985-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-05 | 1989-03-07 | 1989-09-06 | $7700.00 | Window Closed / Lapsed |