DE2147803A1 - - Google Patents

Info

Publication number
DE2147803A1
DE2147803A1 DE19712147803 DE2147803A DE2147803A1 DE 2147803 A1 DE2147803 A1 DE 2147803A1 DE 19712147803 DE19712147803 DE 19712147803 DE 2147803 A DE2147803 A DE 2147803A DE 2147803 A1 DE2147803 A1 DE 2147803A1
Authority
DE
Germany
Prior art keywords
lever
brought
engagement
sole
variable
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.)
Pending
Application number
DE19712147803
Other languages
German (de)
English (en)
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 DE2147803A1 publication Critical patent/DE2147803A1/de
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Tents Or Canopies (AREA)
DE19712147803 1970-10-02 1971-09-24 Pending DE2147803A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4692970A GB1358541A (en) 1970-10-02 1970-10-02 Mine roof supports

Publications (1)

Publication Number Publication Date
DE2147803A1 true DE2147803A1 (enrdf_load_stackoverflow) 1972-06-08

Family

ID=10443109

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712147803 Pending DE2147803A1 (enrdf_load_stackoverflow) 1970-10-02 1971-09-24

Country Status (2)

Country Link
DE (1) DE2147803A1 (enrdf_load_stackoverflow)
GB (1) GB1358541A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2320960A1 (de) * 1973-04-26 1974-11-14 Dommann Guenther Dr Ing Schildausbau mit raumgelenk zwischen kappe und schild
DE2447429A1 (de) * 1974-07-02 1976-04-08 Johannes Winkler Schildausbau mit kappenlenkvorrichtung
FR2366441A1 (fr) * 1976-10-02 1978-04-28 Gewerk Eisenhuette Westfalia Chassis de soutenement a bouclier

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2459792A1 (de) * 1974-12-18 1976-07-01 Gewerk Eisenhuette Westfalia Schildausbaugestell
GB1569822A (en) * 1976-02-03 1980-06-18 Bochumer Eisen Heintzmann Roof-supporting frame of the caving shield type for underground workings in mines
DE2720179B2 (de) * 1977-05-05 1979-07-12 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Ausbaugespann, bestehend aus schild- oder bockartigen Ausbaugestellen
GB2191236B (en) * 1986-06-04 1990-04-04 Gullick Dobson Ltd Mine roof supports

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2320960A1 (de) * 1973-04-26 1974-11-14 Dommann Guenther Dr Ing Schildausbau mit raumgelenk zwischen kappe und schild
DE2447429A1 (de) * 1974-07-02 1976-04-08 Johannes Winkler Schildausbau mit kappenlenkvorrichtung
FR2366441A1 (fr) * 1976-10-02 1978-04-28 Gewerk Eisenhuette Westfalia Chassis de soutenement a bouclier

Also Published As

Publication number Publication date
GB1358541A (en) 1974-07-03

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