ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,168, issued on Feb. 10, was assigned to JOY GLOBAL UNDERGROUND MINING LLC (Warrendale, Pa.).
"Support for drilling and bolting tool" was invented by Peter Hanna (Stanwell Tops, Australia), Daniel Plumb (Fairy Meadow, Australia) and Callum Tyler (Sudbury, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A boom for supporting a drilling and bolting tool includes a first portion, a second portion, an actuator for moving the second portion relative to the first portion in a direction parallel to the longitudinal axis. The second portion includes an elongated shaft having a proximal end and a distal end, the proximal end supported by a shaft support...