AT348466B - Grubenausbauelement einer wandernden stuetze - Google Patents

Grubenausbauelement einer wandernden stuetze

Info

Publication number
AT348466B
AT348466B AT325477A AT325477A AT348466B AT 348466 B AT348466 B AT 348466B AT 325477 A AT325477 A AT 325477A AT 325477 A AT325477 A AT 325477A AT 348466 B AT348466 B AT 348466B
Authority
AT
Austria
Prior art keywords
pit element
walking pillar
walking
pillar
pit
Prior art date
Application number
AT325477A
Other languages
English (en)
Other versions
ATA325477A (de
Original Assignee
Charbonnages De France
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 Charbonnages De France filed Critical Charbonnages De France
Priority to AT325477A priority Critical patent/AT348466B/de
Publication of ATA325477A publication Critical patent/ATA325477A/de
Application granted granted Critical
Publication of AT348466B publication Critical patent/AT348466B/de

Links

Classifications

    • 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
    • B62D55/104—Suspension devices for wheels, rollers, bogies or frames
    • B62D55/116—Attitude or position control of chassis by action on suspension, e.g. to compensate for a slope
    • 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
    • B62D55/0847—Track blocking devices mounted on the frame; Track guides
    • 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
    • E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
    • E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
AT325477A 1977-05-06 1977-05-06 Grubenausbauelement einer wandernden stuetze AT348466B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT325477A AT348466B (de) 1977-05-06 1977-05-06 Grubenausbauelement einer wandernden stuetze

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT325477A AT348466B (de) 1977-05-06 1977-05-06 Grubenausbauelement einer wandernden stuetze

Publications (2)

Publication Number Publication Date
ATA325477A ATA325477A (de) 1978-07-15
AT348466B true AT348466B (de) 1979-02-26

Family

ID=3547738

Family Applications (1)

Application Number Title Priority Date Filing Date
AT325477A AT348466B (de) 1977-05-06 1977-05-06 Grubenausbauelement einer wandernden stuetze

Country Status (1)

Country Link
AT (1) AT348466B (de)

Also Published As

Publication number Publication date
ATA325477A (de) 1978-07-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee