JPS519981B1 - - Google Patents

Info

Publication number
JPS519981B1
JPS519981B1 JP46074552A JP7455271A JPS519981B1 JP S519981 B1 JPS519981 B1 JP S519981B1 JP 46074552 A JP46074552 A JP 46074552A JP 7455271 A JP7455271 A JP 7455271A JP S519981 B1 JPS519981 B1 JP S519981B1
Authority
JP
Japan
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.)
Pending
Application number
JP46074552A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS519981B1 publication Critical patent/JPS519981B1/ja
Pending 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025—Rock drills, i.e. jumbo drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/084—Endless-track units or carriages mounted separably, adjustably or extensibly on vehicles, e.g. portable track units
    • B62D55/0842—Tracked vehicle with track carriages suspended on three points, e.g. by an equaliser bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/10—Bogies; Frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/18—Tracks
    • B62D55/20—Tracks of articulated type, e.g. chains
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/024—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Vehicle Body Suspensions (AREA)
JP46074552A 1970-12-21 1971-09-23 Pending JPS519981B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10022870A 1970-12-21 1970-12-21

Publications (1)

Publication Number Publication Date
JPS519981B1 true JPS519981B1 (fr) 1976-03-31

Family

ID=22278717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46074552A Pending JPS519981B1 (fr) 1970-12-21 1971-09-23

Country Status (6)

Country Link
JP (1) JPS519981B1 (fr)
BE (1) BE774908A (fr)
CA (1) CA935480A (fr)
DE (2) DE2154850A1 (fr)
GB (1) GB1299578A (fr)
ZA (1) ZA714413B (fr)

Also Published As

Publication number Publication date
AU3111471A (en) 1973-01-18
ZA714413B (en) 1973-02-28
DE2154850A1 (fr) 1972-07-13
GB1299578A (en) 1972-12-13
DE7141683U (de) 1973-06-14
CA935480A (en) 1973-10-16
BE774908A (fr) 1972-03-01

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