Patents Assigned to Eastern Associated Coal Corp.
  • Patent number: 5680925
    Abstract: Apparatus for use in repairing a conveyor system having a belt supported by a series of rollers mounted along a frame which supports the conveyor belt above the ground of a mining operation. The apparatus includes a belt support and at least one lifter connected to the belt support. The lifter operatively supports the belt support from the conveyor system frame and provides mechanical advantage in raising the belt support to lift at least one portion of the belt relative to the conveyor system, thereby separating the belt portion from at least one of the conveyor system rollers and freeing the roller.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: October 28, 1997
    Assignee: Eastern Associated Coal Corp.
    Inventors: Nelson Dale Gallagher, Randall Reed McNeely
  • Patent number: 4265353
    Abstract: A capsule apparatus for transporting a disabled person from an underground mine or over rough terrain aboveground includes an elongated base with upstanding side walls extending about the periphery of the floor which has inclined forward and aft floor sections. A plate extends from the floor of the base between opposed side walls thereof to define a supply compartment at one side of the plate and a disabled person compartment at the other side of the plate. The plate is adjustably fastened to the side walls of the base. The base is provided with a mattress to support the disabled person. Elongated top sections include abutting end surfaces to form a top closure which is releasably secured by latch members to the elongated base. A sliding window for a hatch within one of the top sections for visual monitoring and voice communication is used to provide continued first aid for an injured person therein. The base is coupled to a conveyor belt by anchor members with releasable clamp jaws.
    Type: Grant
    Filed: April 4, 1979
    Date of Patent: May 5, 1981
    Assignee: Eastern Associated Coal Corp.
    Inventor: Alvin J. Hill