GB286280A - Improvement in rotation mechanism for rock drills - Google Patents

Improvement in rotation mechanism for rock drills

Info

Publication number
GB286280A
GB286280A GB24006/27A GB2400627A GB286280A GB 286280 A GB286280 A GB 286280A GB 24006/27 A GB24006/27 A GB 24006/27A GB 2400627 A GB2400627 A GB 2400627A GB 286280 A GB286280 A GB 286280A
Authority
GB
United Kingdom
Prior art keywords
box
improvement
cam
rotation mechanism
rock drills
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
GB24006/27A
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
Publication of GB286280A publication Critical patent/GB286280A/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

286,280. Ingersoll-Rand Co., (Assignees of Hulshizer, G. W.). March 4. 1927, [Convention date]. Percussive tools.-The friction ratchet mechanism for effecting the twist motion of a rock drill comprises a cam c mounted on the twist bar Y inside a box f, and adapted to jam rollers o, carried in slots in the box wall, against an outer fixed ring E. Pins p are mounted inside the box to limit the releasing movement of the cam. The tool has a rocking- plate distributing valve R and a common exhaust X.
GB24006/27A 1927-03-04 1927-09-12 Improvement in rotation mechanism for rock drills Expired GB286280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US286280XA 1927-03-04 1927-03-04

Publications (1)

Publication Number Publication Date
GB286280A true GB286280A (en) 1928-03-22

Family

ID=21844524

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24006/27A Expired GB286280A (en) 1927-03-04 1927-09-12 Improvement in rotation mechanism for rock drills

Country Status (1)

Country Link
GB (1) GB286280A (en)

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