Caterpillar Global Mining America LLC

Robert Needham

A support system for a mining roof includes a base, a cylinder coupled to the base and configured to extend and retract, a pivot mechanism coupled to the cylinder, a roof support beam coupled to the pivot mechanism and configured to contact a surface of the mining roof, wherein the roof support beam and the pivot mechanism are raised relative to the base when the cylinder is extended and lowered relative to the base when the cylinder is retracted, and a support structure coupled to the base on a first end and coupled to the pivot mechanism on a second end, the support structure being configured to limit movement of the roof support beam about an axis provided by the cylinder.

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Pittsburgh, PA, United States of America

Robert Needham