BE758430A - WALKING SUPPORT HITCH - Google Patents

WALKING SUPPORT HITCH

Info

Publication number
BE758430A
BE758430A BE758430DA BE758430A BE 758430 A BE758430 A BE 758430A BE 758430D A BE758430D A BE 758430DA BE 758430 A BE758430 A BE 758430A
Authority
BE
Belgium
Prior art keywords
walking support
support hitch
hitch
walking
support
Prior art date
Application number
Other languages
French (fr)
Inventor
F Busching
Original Assignee
Kloeckner Werke Ag
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.)
Publication date
Publication of BE758430A publication Critical patent/BE758430A/en

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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Actuator (AREA)
BE758430D 1969-11-15 WALKING SUPPORT HITCH BE758430A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691957521 DE1957521A1 (en) 1969-11-15 1969-11-15 Striding extension frame

Publications (1)

Publication Number Publication Date
BE758430A true BE758430A (en) 1971-04-16

Family

ID=5751196

Family Applications (1)

Application Number Title Priority Date Filing Date
BE758430D BE758430A (en) 1969-11-15 WALKING SUPPORT HITCH

Country Status (4)

Country Link
BE (1) BE758430A (en)
DE (1) DE1957521A1 (en)
FR (1) FR2071675A5 (en)
ZA (1) ZA705514B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3034645A1 (en) * 1980-09-13 1982-04-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen TREADMILL FOR A SCREW EXTENSION, ESPECIALLY FOR A SHIELD OR BOCK REMOVAL

Also Published As

Publication number Publication date
DE1957521A1 (en) 1971-05-19
FR2071675A5 (en) 1971-09-17
ZA705514B (en) 1971-04-28

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