Roller cutter loader for mine

  • US 4,645,265 A
  • Filed: 12/05/1985
  • Issued: 02/24/1987
  • Est. Priority Date: 12/08/1984
  • Status: Expired due to Fees
First Claim
Patent Images

1. A roll cutter loader to be guided at a plane guide on a longwall conveyor having a plane chain and extending along a working face of a mine, comprising a machine frame to be guided at the plane guide and for connection to the plane chain for movement of the machine frame in a movement direction along the plane guide, said machine frame being formed of at least two machine joint elements having a floor side and a top side, at least one joint connected between said machine joint elements at one of their floor and top sides for establishing a pivotal connection between said joint elements, and setting means connected between said joint elements at the other of their floor and top sides for setting a pivotal position between said joint elements, a cutting roll rotatably mounted to each of said joint elements, said cutting rolls being at outboard ends of said machine frame with respect to the movement direction, said joint elements having a vertical height from their floor side to their top side which is less than a vertical height of said cutting rolls, and roll drive means mounted on each joint element connected respectively to one cutting roll for rotating each cutting roll to work each cutting roll in a region between the plane guide and the working face.

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