GB213135A - Improvements in rock-drills of the detachable cutter type - Google Patents

Improvements in rock-drills of the detachable cutter type

Info

Publication number
GB213135A
GB213135A GB1069523A GB1069523A GB213135A GB 213135 A GB213135 A GB 213135A GB 1069523 A GB1069523 A GB 1069523A GB 1069523 A GB1069523 A GB 1069523A GB 213135 A GB213135 A GB 213135A
Authority
GB
United Kingdom
Prior art keywords
drills
rock
cutter type
detachable cutter
detachable
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
GB1069523A
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 GB1069523A priority Critical patent/GB213135A/en
Publication of GB213135A publication Critical patent/GB213135A/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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

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)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

213,135. Kirby, R., and Mackenzie, D. April 19, 1923. Percussive drills. - A detachable bit 8 is seated in a .groove 7 and is held in a pair of jaws 11 at the end of a folded member 14. A cotter 14 is carried in the inner end of the member 14 and is en- :gaged by a spring 17 which abuts against a shoulder formed by a bushing 6.
GB1069523A 1923-04-19 1923-04-19 Improvements in rock-drills of the detachable cutter type Expired GB213135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1069523A GB213135A (en) 1923-04-19 1923-04-19 Improvements in rock-drills of the detachable cutter type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1069523A GB213135A (en) 1923-04-19 1923-04-19 Improvements in rock-drills of the detachable cutter type

Publications (1)

Publication Number Publication Date
GB213135A true GB213135A (en) 1924-03-27

Family

ID=9972578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1069523A Expired GB213135A (en) 1923-04-19 1923-04-19 Improvements in rock-drills of the detachable cutter type

Country Status (1)

Country Link
GB (1) GB213135A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501421A (en) * 1949-03-29 1950-03-21 New Britain Machine Co Machine tool spindle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501421A (en) * 1949-03-29 1950-03-21 New Britain Machine Co Machine tool spindle

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