GB303878A - Improvement in rotation mechanism for rock drills - Google Patents

Improvement in rotation mechanism for rock drills

Info

Publication number
GB303878A
GB303878A GB30837/28A GB3083728A GB303878A GB 303878 A GB303878 A GB 303878A GB 30837/28 A GB30837/28 A GB 30837/28A GB 3083728 A GB3083728 A GB 3083728A GB 303878 A GB303878 A GB 303878A
Authority
GB
United Kingdom
Prior art keywords
cam
improvement
rotation mechanism
rock drills
rollers
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
GB30837/28A
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.)
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 GB303878A publication Critical patent/GB303878A/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1526—Oscillation or reciprocation to intermittent unidirectional motion
    • Y10T74/1527—Screw and nut devices

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)
  • Transmission Devices (AREA)
GB30837/28A 1928-01-12 1928-10-24 Improvement in rotation mechanism for rock drills Expired GB303878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US246231A US1776509A (en) 1928-01-12 1928-01-12 Rotation mechanism for rock drills

Publications (1)

Publication Number Publication Date
GB303878A true GB303878A (en) 1929-07-11

Family

ID=22929833

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30837/28A Expired GB303878A (en) 1928-01-12 1928-10-24 Improvement in rotation mechanism for rock drills

Country Status (4)

Country Link
US (1) US1776509A (en:Method)
BE (1) BE355608A (en:Method)
DE (1) DE523905C (en:Method)
GB (1) GB303878A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904647A1 (de) * 1999-02-05 2000-08-31 Memminger Iro Gmbh Schmiereinrichtung für mehrere Schmierstellen

Also Published As

Publication number Publication date
BE355608A (en:Method)
DE523905C (de) 1931-04-29
US1776509A (en) 1930-09-23

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