Patents Assigned to Lake Shore Mining Company, Inc.
  • Method of installing multiple-lift conveyor system
    Patent number: 5611421
    Abstract: A method of installing a multiple lift, vertical conveyor system in a conveyor shaft includes steps of: erecting a framework for the vertical conveyor system, installing a first belt for operation on the framework; feeding a second belt into position for installation on the framework by advancing the second belt on the first belt and installing the second belt for operation on the framework.
    Type: Grant
    Filed: February 14, 1995
    Date of Patent: March 18, 1997
    Assignee: Lake Shore Mining Company, Inc.
    Inventors: Lawrence S. Crewdson, Donald A. Shaw