Cable Or Strap Support Patents (Class 405/302.2)
  • Tensionable cable bolt
    Patent number: 6270290
    Abstract: A tensionable mine roof cable bolt having a resin grouted upper portion and a mechanical anchor. The cable bolt is rotated during installation in a mine roof bore hole to mix resin and engage the mechanical anchor with the rock. A drivehead press fitted onto the lower end of the cable may be stripped off the bolt upon tensioning of the bolt to a predetermined load.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: August 7, 2001
    Assignee: Jennmar Corporation
    Inventors: John C. Stankus, Kendal L. Taylor
  • Cable bolt spinning tool
    Patent number: 6244787
    Abstract: A tool for facilitating the spinning of a wire-strand cable bolt, the tool having a cable bolt end engagement socket which is configured to engage positively such cable bolt end an appreciable distance.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: June 12, 2001
    Inventor: Ben L. Seegmiller