Hydraulic cable tensioner

B - Operations – Transporting – 25 – B

Patent

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Details

B25B 25/00 (2006.01) E21D 20/00 (2006.01) E21D 21/00 (2006.01) F16G 11/12 (2006.01)

Patent

CA 2273744

A hydraulic cable tensioning device having a main body and tensioning yoke formed from aluminum and being capable of delivering 5,000 psi to tension a cable bearing a barrel and wedge assembly such as in a mine roof bolt or a cable truss. The body defines a pair of cavities which each receive an elongated member bearing a piston which together act as dual action hydraulic cylinders. A cable receiving bore defined in the body receives a cable gripping member to grip the cable while the tensioning yoke pushes against the barrel and wedge assembly in response to forces from the hydraulic cylinders.

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