GB193679A - Improvements in drill cutters for rotary boring drills - Google Patents

Improvements in drill cutters for rotary boring drills

Info

Publication number
GB193679A
GB193679A GB593122A GB593122A GB193679A GB 193679 A GB193679 A GB 193679A GB 593122 A GB593122 A GB 593122A GB 593122 A GB593122 A GB 593122A GB 193679 A GB193679 A GB 193679A
Authority
GB
United Kingdom
Prior art keywords
bushing
cutter
collar
rotary boring
drill cutters
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
GB593122A
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 GB593122A priority Critical patent/GB193679A/en
Publication of GB193679A publication Critical patent/GB193679A/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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles

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)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

193,679. Tucker, A. M. Feb. 28, 1922. Bore-hole apparatus.-In a rotary drill, a cutter 5 is rotatably held on a bushing 4 by a threaded collar 13 and the cutter, bushing and collar are provided with apertures whereby they may be locked together by means of a pin 18 to facilitate attachment of the bushing to a threaded spindle 1 carried by the drill stem 2. The apertures in the cutter and collar are afterwards closed by a set-screw 25. Lubricating ports 21, 23 are provided.
GB593122A 1922-02-28 1922-02-28 Improvements in drill cutters for rotary boring drills Expired GB193679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB593122A GB193679A (en) 1922-02-28 1922-02-28 Improvements in drill cutters for rotary boring drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB593122A GB193679A (en) 1922-02-28 1922-02-28 Improvements in drill cutters for rotary boring drills

Publications (1)

Publication Number Publication Date
GB193679A true GB193679A (en) 1923-03-01

Family

ID=9805300

Family Applications (1)

Application Number Title Priority Date Filing Date
GB593122A Expired GB193679A (en) 1922-02-28 1922-02-28 Improvements in drill cutters for rotary boring drills

Country Status (1)

Country Link
GB (1) GB193679A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194571A (en) * 1986-08-13 1988-03-09 A Z Int Tool Co Drilling apparatus and cutter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194571A (en) * 1986-08-13 1988-03-09 A Z Int Tool Co Drilling apparatus and cutter
GB2194571B (en) * 1986-08-13 1990-05-16 A Z Int Tool Co Drilling apparatus and cutter

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