GB990457A - Driving and control gear for coal ploughs and other mining machines - Google Patents

Driving and control gear for coal ploughs and other mining machines

Info

Publication number
GB990457A
GB990457A GB6972/64A GB697264A GB990457A GB 990457 A GB990457 A GB 990457A GB 6972/64 A GB6972/64 A GB 6972/64A GB 697264 A GB697264 A GB 697264A GB 990457 A GB990457 A GB 990457A
Authority
GB
United Kingdom
Prior art keywords
plough
switches
gii
relays
face
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
Application number
GB6972/64A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stamicarbon BV filed Critical Stamicarbon BV
Publication of GB990457A publication Critical patent/GB990457A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
    • E21C29/14—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains by haulage cable or chain pulling the machine along the working face

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)
  • Control Of Position Or Direction (AREA)
  • Fluid-Pressure Circuits (AREA)
GB6972/64A 1963-02-19 1964-02-19 Driving and control gear for coal ploughs and other mining machines Expired GB990457A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL289204 1963-02-19

Publications (1)

Publication Number Publication Date
GB990457A true GB990457A (en) 1965-04-28

Family

ID=19754431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6972/64A Expired GB990457A (en) 1963-02-19 1964-02-19 Driving and control gear for coal ploughs and other mining machines

Country Status (3)

Country Link
US (1) US3293521A (US20030199744A1-20031023-C00003.png)
BE (1) BE643985A (US20030199744A1-20031023-C00003.png)
GB (1) GB990457A (US20030199744A1-20031023-C00003.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163261A (en) * 1966-01-11 1969-09-04 Coal Industry Patents Ltd Remote Control of Mining Machines
US3436598A (en) * 1967-07-17 1969-04-01 John L Guerrisi Control system safety relay
US3643147A (en) * 1969-02-21 1972-02-15 Nippon Steel Corp Shift-controlling device for shifted materials
GB1310228A (en) * 1969-10-16 1973-03-14 Gullick Dobson Ltd Method of mining and an apparatus for the carrying out of said method
US3826535A (en) * 1973-02-12 1974-07-30 Taiheiyo Coal Mining Co Ltd Coal planer automatic reversing device
US3825809A (en) * 1973-07-23 1974-07-23 Vemco Products Garage door power operator having partial open capability
US3962615A (en) * 1974-03-20 1976-06-08 Spangler Searle T Multiple mode variable speed motor control circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2071176A (en) * 1935-03-11 1937-02-16 Gen Electric Machine tool control arrangement
US2726358A (en) * 1954-06-25 1955-12-06 George E Barnhart Portable electric motor power unit
US2922053A (en) * 1957-09-10 1960-01-19 British Iron Steel Research Control systems
US2913651A (en) * 1957-09-27 1959-11-17 Westinghouse Electric Corp Control system for a reversible motor
US3129369A (en) * 1960-07-05 1964-04-14 Arthur K Littwin Automatic motor reversing at limit fo travel by variable transformer means
US3213342A (en) * 1962-05-23 1965-10-19 Robert L Littwin Automatic motor reversal controlled by variable transformer means

Also Published As

Publication number Publication date
BE643985A (US20030199744A1-20031023-C00003.png) 1964-08-18
US3293521A (en) 1966-12-20

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