Patents Assigned to Meco A.F.C. Limited
  • Patent number: 5244256
    Abstract: A haulage chain for a mineral winning installation, comprises a plurality of first links and a plurality of second links alternating with one another along the longitudinal extent of the chain. Each first link defines a single closed loop and each second link defines three closed loops, two of which are provided by opposite end portions of the second link and lie in a common plane and the other of which is provided by an intermediate portion between the two end portions and lies in a plane normal or substantially normal to the common plane of the two end loops. The first links each pass through opposite end portions of a pair of adjacent second links and maintain a substantially even pitch between the said end portions of all the second links.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: September 14, 1993
    Assignee: Meco A.F.C. Limited
    Inventors: Peter Howard, Terence W. Scrutton