GB224484A - Improvements in rotation for rock drills - Google Patents

Improvements in rotation for rock drills

Info

Publication number
GB224484A
GB224484A GB2297724A GB2297724A GB224484A GB 224484 A GB224484 A GB 224484A GB 2297724 A GB2297724 A GB 2297724A GB 2297724 A GB2297724 A GB 2297724A GB 224484 A GB224484 A GB 224484A
Authority
GB
United Kingdom
Prior art keywords
pawls
rotation
rock drills
notches
plungers
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
GB2297724A
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Priority to GB2297724A priority Critical patent/GB224484A/en
Publication of GB224484A publication Critical patent/GB224484A/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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device

Landscapes

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

Abstract

224,484. Marks, E. C. R., (Ingersoll-Rand Co.). Sept. 29, 1924. Percussive tools. - The pawls on the rifle-bar of a rock drill are held from sliding sideways by means of notches Y with which the spring plungers U engage. When the pawls are fully depressed the plungers are clear of the notches and the pawls can be slid out.
GB2297724A 1924-09-29 1924-09-29 Improvements in rotation for rock drills Expired GB224484A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2297724A GB224484A (en) 1924-09-29 1924-09-29 Improvements in rotation for rock drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2297724A GB224484A (en) 1924-09-29 1924-09-29 Improvements in rotation for rock drills

Publications (1)

Publication Number Publication Date
GB224484A true GB224484A (en) 1924-11-13

Family

ID=10188103

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2297724A Expired GB224484A (en) 1924-09-29 1924-09-29 Improvements in rotation for rock drills

Country Status (1)

Country Link
GB (1) GB224484A (en)

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