GB370603A - Improvements relating to coal boring machines and like apparatus - Google Patents

Improvements relating to coal boring machines and like apparatus

Info

Publication number
GB370603A
GB370603A GB7403/31A GB740331A GB370603A GB 370603 A GB370603 A GB 370603A GB 7403/31 A GB7403/31 A GB 7403/31A GB 740331 A GB740331 A GB 740331A GB 370603 A GB370603 A GB 370603A
Authority
GB
United Kingdom
Prior art keywords
improvements relating
boring machines
nut
screw
carried
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
GB7403/31A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB7403/31A priority Critical patent/GB370603A/en
Publication of GB370603A publication Critical patent/GB370603A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/006—Means for anchoring the drilling machine to the ground

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

370,603. Rock drill supports. BUTLER, A., Firbank, Houseley, Chapeltown, Sheffield. March 10, 1931, No. 7403. [Class 124]. The strut tube 18 is freely rotatable on a bearing 20 which can be raised or lowered by the nut 16 on the screw 15, the nut being rotated by the hand-wheel 17. The screw is carried on a member 10 which can pivot over a circular path about a bolt 8 carried in the baseplate 3.
GB7403/31A 1931-03-10 1931-03-10 Improvements relating to coal boring machines and like apparatus Expired GB370603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7403/31A GB370603A (en) 1931-03-10 1931-03-10 Improvements relating to coal boring machines and like apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7403/31A GB370603A (en) 1931-03-10 1931-03-10 Improvements relating to coal boring machines and like apparatus

Publications (1)

Publication Number Publication Date
GB370603A true GB370603A (en) 1932-04-14

Family

ID=9832431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7403/31A Expired GB370603A (en) 1931-03-10 1931-03-10 Improvements relating to coal boring machines and like apparatus

Country Status (1)

Country Link
GB (1) GB370603A (en)

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