GB191327886A - Improved Ratchet Device for Rock Drills and like purposes. - Google Patents

Improved Ratchet Device for Rock Drills and like purposes.

Info

Publication number
GB191327886A
GB191327886A GB191327886DA GB191327886A GB 191327886 A GB191327886 A GB 191327886A GB 191327886D A GB191327886D A GB 191327886DA GB 191327886 A GB191327886 A GB 191327886A
Authority
GB
United Kingdom
Prior art keywords
purposes
ratchet device
rock drills
improved ratchet
ratchet
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
Inventor
Joseph Edgar Brown
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
Application granted granted Critical
Publication of GB191327886A publication Critical patent/GB191327886A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/03—Surface drives for rotary drilling with an intermittent unidirectional rotation of the tool

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)
  • Toys (AREA)

Abstract

27,886. Brown, J. E. Dec. 4. Ratchet gearing.-The casing A of a ratchet brace or the like is provided with a number of deep teeth D adapted to engage the ends of two pawls E mounted to slide in different planes through the socket member F. Reference has been directed by the Comptroller to Specifications 14,279/93, [Class 135, Valves &c.], and 7416/06.
GB191327886D 1913-12-04 1913-12-04 Improved Ratchet Device for Rock Drills and like purposes. Expired GB191327886A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191327886T 1913-12-04

Publications (1)

Publication Number Publication Date
GB191327886A true GB191327886A (en) 1914-12-04

Family

ID=32646951

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191327886D Expired GB191327886A (en) 1913-12-04 1913-12-04 Improved Ratchet Device for Rock Drills and like purposes.

Country Status (1)

Country Link
GB (1) GB191327886A (en)

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