GB634139A - Improvements in or relating to cushioning devices for the chucks of rock drilling machines - Google Patents

Improvements in or relating to cushioning devices for the chucks of rock drilling machines

Info

Publication number
GB634139A
GB634139A GB3589/48A GB358948A GB634139A GB 634139 A GB634139 A GB 634139A GB 3589/48 A GB3589/48 A GB 3589/48A GB 358948 A GB358948 A GB 358948A GB 634139 A GB634139 A GB 634139A
Authority
GB
United Kingdom
Prior art keywords
feed screw
cushioning member
drill
chuck
sleeve
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
GB3589/48A
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 GB634139A publication Critical patent/GB634139A/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
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/081—Screw-and-nut feed mechanisms

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)
GB3589/48A 1946-03-08 1948-02-06 Improvements in or relating to cushioning devices for the chucks of rock drilling machines Expired GB634139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US634139XA 1946-03-08 1946-03-08

Publications (1)

Publication Number Publication Date
GB634139A true GB634139A (en) 1950-03-15

Family

ID=22049031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3589/48A Expired GB634139A (en) 1946-03-08 1948-02-06 Improvements in or relating to cushioning devices for the chucks of rock drilling machines

Country Status (3)

Country Link
BE (1) BE480737A (enrdf_load_stackoverflow)
FR (1) FR961918A (enrdf_load_stackoverflow)
GB (1) GB634139A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR961918A (enrdf_load_stackoverflow) 1950-05-25
BE480737A (enrdf_load_stackoverflow)

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