4. Conveyors: power-driven
  5. Conveyor having means specialized for collecting a load from...
  6. Power-driven feed means

National Mine Service Company

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Adjustable jack

Implements or apparatus for applying pushing or pulling force – Screw
Patent

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Apparatus for extending and retracting the cutter bars of a bori

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
Patent

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Boom stabilizer for an underground mining machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter shiftable vertically
Patent

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Charging circuit for combination trolley and battery powered loc

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent

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Continuous mining machine and cutter drum drive therefor

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Relatively shiftable cutters
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Profile ID: LFUS-PAI-P-9850

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