GB1388291A - Mineral mining machine having steering means - Google Patents
Mineral mining machine having steering meansInfo
- Publication number
- GB1388291A GB1388291A GB1856972A GB1856972A GB1388291A GB 1388291 A GB1388291 A GB 1388291A GB 1856972 A GB1856972 A GB 1856972A GB 1856972 A GB1856972 A GB 1856972A GB 1388291 A GB1388291 A GB 1388291A
- Authority
- GB
- United Kingdom
- Prior art keywords
- machine
- valve
- hydraulic
- jack
- pendulum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title abstract 2
- 239000011707 mineral Substances 0.000 title abstract 2
- 238000005065 mining Methods 0.000 title abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 2
- 230000007935 neutral effect Effects 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/06—Equipment for positioning the whole machine in relation to its sub-structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0753—Control by change of position or inertia of system
- Y10T137/0923—By pendulum or swinging member
- Y10T137/0947—With servo connection to valve
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fluid-Pressure Circuits (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1856972A GB1388291A (en) | 1972-04-21 | 1972-04-21 | Mineral mining machine having steering means |
US00348538A US3854775A (en) | 1972-04-21 | 1973-04-06 | Mineral mining machine steering means |
DE2320143A DE2320143A1 (de) | 1972-04-21 | 1973-04-19 | Abbaumaschine |
FR7314617A FR2181070B1 (US07122603-20061017-C00045.png) | 1972-04-21 | 1973-04-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1856972A GB1388291A (en) | 1972-04-21 | 1972-04-21 | Mineral mining machine having steering means |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1388291A true GB1388291A (en) | 1975-03-26 |
Family
ID=10114709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1856972A Expired GB1388291A (en) | 1972-04-21 | 1972-04-21 | Mineral mining machine having steering means |
Country Status (4)
Country | Link |
---|---|
US (1) | US3854775A (US07122603-20061017-C00045.png) |
DE (1) | DE2320143A1 (US07122603-20061017-C00045.png) |
FR (1) | FR2181070B1 (US07122603-20061017-C00045.png) |
GB (1) | GB1388291A (US07122603-20061017-C00045.png) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1450357A (en) * | 1974-04-05 | 1976-09-22 | Coal Industry Patents Ltd | Mining machine |
US4022284A (en) * | 1975-03-17 | 1977-05-10 | Dresser Industries, Inc. | Automatic alignment system for earth boring rig |
US4111487A (en) * | 1975-05-02 | 1978-09-05 | Coal Industry (Patents) Limited | Underground mining machine with longwall guidance system |
GB1496801A (en) * | 1975-08-13 | 1978-01-05 | Coal Ind | Mining machines |
GB2144466B (en) * | 1983-08-02 | 1986-06-25 | Coal Ind | Steering of mining machines |
JPH086551B2 (ja) * | 1989-07-19 | 1996-01-24 | 株式会社イセキ開発工機 | シールド型トンネル機械の方向修正装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2971499A (en) * | 1959-06-08 | 1961-02-14 | Gurries Mfg Co | Pendulum-actuated servo mechanism |
GB1082512A (en) * | 1963-03-06 | 1967-09-06 | Coal Industry Patents Ltd | Systems for automatically steering mineral mining machines |
GB1158611A (en) * | 1965-10-06 | 1969-07-16 | Gullick Ltd | Improvements in or relating to apparatus for Levelling or Restoring a Mineral Mining Machine to a Predetermined Angular Setting |
FR1464087A (fr) * | 1965-11-09 | 1966-07-22 | Perfectionnements aux suspensions oléo-pneumatiques pour véhicules automobiles | |
FR1495756A (fr) * | 1966-10-03 | 1967-09-22 | Gullick Ltd | Appareil pour la mise de niveau ou le réglage d'inclinaison d'une machine ou autre appareil |
FR1550337A (US07122603-20061017-C00045.png) * | 1967-11-07 | 1968-12-20 |
-
1972
- 1972-04-21 GB GB1856972A patent/GB1388291A/en not_active Expired
-
1973
- 1973-04-06 US US00348538A patent/US3854775A/en not_active Expired - Lifetime
- 1973-04-19 DE DE2320143A patent/DE2320143A1/de active Pending
- 1973-04-20 FR FR7314617A patent/FR2181070B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2181070B1 (US07122603-20061017-C00045.png) | 1977-02-04 |
FR2181070A1 (US07122603-20061017-C00045.png) | 1973-11-30 |
US3854775A (en) | 1974-12-17 |
DE2320143A1 (de) | 1973-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1435203A (en) | Aircraft automatic flight control system | |
GB1388291A (en) | Mineral mining machine having steering means | |
GB1450874A (en) | Hydraulic system | |
GB1214713A (en) | Hydraulic fluid valve system | |
GB1440000A (en) | Hydraulic control circuit | |
GB1167614A (en) | Method and Control System for Adjusting a Pit Prop Axis | |
GB1223207A (en) | Hydraulic supply systems with flow rate limiting control | |
GB1469753A (en) | Tunnelling machines | |
GB1408906A (en) | Control apparatus for a load handling device | |
GB1221528A (en) | Control arrangement for a hydraulic pit prop support unit | |
GB1393060A (en) | Control systems | |
US3857577A (en) | Proportional frame twist slope control | |
GB1388938A (en) | Control valves | |
GB1202857A (en) | Stone-cutting machine employing disc saws | |
US3397915A (en) | Longwall mining machine having automatic means to maintain angular setting | |
GB1069905A (en) | Improvements relating to roof supports for mine workings | |
GB984814A (en) | Shearing machines or guillotines | |
US3282627A (en) | Hydraulic tilt limiting control for continuous miner | |
GB1087663A (en) | Improvements in or relating to shovel loaders | |
GB1060641A (en) | Adjustable bulldozer arrangement | |
GB1374155A (en) | Supporting device for an extruded length of material | |
GB1249246A (en) | Control system for units of a travelling mine-roof support arrangement | |
GB1082512A (en) | Systems for automatically steering mineral mining machines | |
GB1183238A (en) | Improvements in or relating to Advancing Mine Roof Support Systems | |
GB942408A (en) | Control apparatus for coal-cutting and other machines |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |