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
• • 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
  • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
• • 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
  • E21D23/12—Control, e.g. using remote control
  • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
  • E21F13/00—Transport specially adapted to underground conditions
  • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
  • E21F13/086—Armoured conveyors shifting devices

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)
• Architecture (AREA)
• Structural Engineering (AREA)
• Mechanical Engineering (AREA)
• Automatic Assembly (AREA)
• Structure Of Belt Conveyors (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7158953

Family Applications (1)

Country Status (3)

• 1965
  • 1965-02-17 DE DEH55193A patent/DE1199724B/de active Pending
• 1966
  • 1966-02-10 BE BE676283D patent/BE676283A/xx unknown
  • 1966-02-17 GB GB704866A patent/GB1093334A/en not_active Expired

Also Published As

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