GB438232A - Improved device for removing drills or other articles from their shafts - Google Patents

Improved device for removing drills or other articles from their shafts

Info

Publication number
GB438232A
GB438232A GB2765334A GB2765334A GB438232A GB 438232 A GB438232 A GB 438232A GB 2765334 A GB2765334 A GB 2765334A GB 2765334 A GB2765334 A GB 2765334A GB 438232 A GB438232 A GB 438232A
Authority
GB
United Kingdom
Prior art keywords
drills
shafts
pivoted
articles
improved device
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
GB2765334A
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 GB2765334A priority Critical patent/GB438232A/en
Publication of GB438232A publication Critical patent/GB438232A/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/18—Connecting or disconnecting drill bit and drilling pipe

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)
  • Harvester Elements (AREA)

Abstract

438,232. Removing drills &c. from shafts. BEDFORD, R. A., Grange Farm, Stumperlowe, Sheffield. Sept. 26, 1934, No. 27653. [Class 61 (iii)] A device for removing a drill bit &c. from a shaft comprises a base a provided at one end with a fixed jaw b and a pivoted jaw c actuated by a pivoted cam member f to grip the drill shaft h and at the other end of the base with an impact member n pivoted and slidably mounted on a pivot o so as to be engageable behind the end of the drill bit t and actuated by a cam member q which is bifurcated to straddle the drill shaft and swings on pivots p.
GB2765334A 1934-09-26 1934-09-26 Improved device for removing drills or other articles from their shafts Expired GB438232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2765334A GB438232A (en) 1934-09-26 1934-09-26 Improved device for removing drills or other articles from their shafts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2765334A GB438232A (en) 1934-09-26 1934-09-26 Improved device for removing drills or other articles from their shafts

Publications (1)

Publication Number Publication Date
GB438232A true GB438232A (en) 1935-11-13

Family

ID=10263072

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2765334A Expired GB438232A (en) 1934-09-26 1934-09-26 Improved device for removing drills or other articles from their shafts

Country Status (1)

Country Link
GB (1) GB438232A (en)

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