Patents Examined by Jonathan Holmes
  • Patent number: 4538722
    Abstract: A shifting conveyor apparatus with a belt conveyor laterally shiftable, by flexibly mounted flexible rails therealong, towards a progressive excavation, including a travelling varingly-curving rail-engaging guide array for carrying and drawing the conveyor laterally by the rails, keeping the rails and the conveyor belt in safely controlled and guided distributed travelling curvature.
    Type: Grant
    Filed: March 30, 1983
    Date of Patent: September 3, 1985
    Assignee: McNally Pittsburg, Inc.
    Inventor: Maurice N. Sumner