×

Narrow opening mechanical miner

  • US 4,818,025 A
  • Filed: 11/14/1986
  • Issued: 04/04/1989
  • Est. Priority Date: 11/14/1986
  • Status: Expired due to Fees
First Claim
Patent Images

1. A mining vehicle comprising:

  • an elongated carrier;

    means for mounting a mining apparatus to an end of the carrier;

    transverve bracing means adapted to engage side walls of a mine tunnel for supporting the elongated carrier above the floor of a mine tunnel, the transverse bracing means including at least one pair of transverse extendible legs protruding in opposite directions, the extendible legs adapted to engage opposite side walls of a mine tunnel for supporting the elongated carrier above the mine tunnel floor;

    suspension linkage means extending downwardly from the transverse bracing means for suspending the elongated carrier beneath the transverse bracing means, said suspension linkage means being longitudinally movable with respect to the elongated carrier and transverse bracing means for causing longitudinal movement of the elongated carrier and transverse bracing means relative to one another;

    the transverse bracing means and elongated carrier each including left and right longitudinal halves;

    the suspension linkage means comprising left linkage means and right linkage means linking the respective left and right longitudinal halves of the transverse bracing means with the elongated carrier, the left linkage means and right linkage means being independently movable for skewing the elongated carrier relative to the transverse bracing means to turn or cause the vehicle to change heading enabling the vehicle to traverse a curved portion of a mine tunnel; and

    the left and right linkage means each comprising a pair or suspension links positioned parallel with respect to one another, one end of each link being pivotally connected to the transverse bracing means, the other end of each link being pivotally connected to the elongated carrier.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×