Caterpillar Global Mining Equipment LLC

Gregory Scott

Charles Taylor Hudson

Richard James LaReau

A platform based drill includes a drilling platform including a frame structure with first and second opposite ends, and first and second opposite sides. A mast supported on a pivotal connection to the drilling platform adjacent the first end of the frame structure and including an upper portion extending above the pivotal connection, and a lower portion extending below the pivotal connection. An adjusting mechanism permits the mast to be pivotally adjusted to a negative drilling angle whereby the upper portion of the mast leans in a direction extending away from the second end and toward the first end.

Growing community of inventors

Littleton, CO, United States of America

Gregory Scott