GB1142022A - Horizon control of mining machines - Google Patents

Horizon control of mining machines

Info

Publication number
GB1142022A
GB1142022A GB447465A GB447465A GB1142022A GB 1142022 A GB1142022 A GB 1142022A GB 447465 A GB447465 A GB 447465A GB 447465 A GB447465 A GB 447465A GB 1142022 A GB1142022 A GB 1142022A
Authority
GB
United Kingdom
Prior art keywords
mining machines
horizon control
mineral
horizon
mining
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
GB447465A
Inventor
Julius Yarmak
Humphrey George Cook
Charles
Charles William High
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB447465A priority Critical patent/GB1142022A/en
Publication of GB1142022A publication Critical patent/GB1142022A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21C35/08—Guiding the machine
    • E21C35/10—Guiding the machine by feelers contacting 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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

1,142,022. Mineral-mining machines. COAL INDUSTRY (PATENTS) Ltd. 29 April, 1966 [2 Feb., 1965], No. 4474/65. Addition to 1,047,782. Heading E1F. The vertically reciprocable, roof-engaging, tracer member of the horizon-maintaining system of the mineral-mining machine of Specification 1,047,782 is replaced by a vertically swingable member 28 that is resiliently biassed in an upward direction.
GB447465A 1965-02-02 1965-02-02 Horizon control of mining machines Expired GB1142022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB447465A GB1142022A (en) 1965-02-02 1965-02-02 Horizon control of mining machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB447465A GB1142022A (en) 1965-02-02 1965-02-02 Horizon control of mining machines

Publications (1)

Publication Number Publication Date
GB1142022A true GB1142022A (en) 1969-02-05

Family

ID=9777869

Family Applications (1)

Application Number Title Priority Date Filing Date
GB447465A Expired GB1142022A (en) 1965-02-02 1965-02-02 Horizon control of mining machines

Country Status (1)

Country Link
GB (1) GB1142022A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984147A (en) * 1974-05-21 1976-10-05 Coal Industry (Patents) Limited Mining machines with extensible probe arm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984147A (en) * 1974-05-21 1976-10-05 Coal Industry (Patents) Limited Mining machines with extensible probe arm

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